{"id":89,"date":"2006-12-09T19:17:50","date_gmt":"2006-12-09T17:17:50","guid":{"rendered":"http:\/\/www.maka.biz\/blog\/?p=89"},"modified":"2006-12-11T15:58:40","modified_gmt":"2006-12-11T13:58:40","slug":"ecadhaaeaaia-ia-ospf-adjacency-exstart-e-exchange-nunoiyiey","status":"publish","type":"post","link":"https:\/\/blog.maka.biz\/?p=89","title":{"rendered":"OSPF Adjacency building. ExStart. Exchange."},"content":{"rendered":"<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041c\u0430\u043b\u044a\u043a \u043f\u0440\u0438\u043c\u0435\u0440 \u0437\u0430 OSPF adjacency building \u0438 \u043f\u043e-\u0441\u043f\u0435\u0446\u0438\u0430\u043b\u043d\u043e \u0437\u0430 Database Description \u043f\u0440\u043e\u0446\u0435\u0441\u0430.<\/span><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0418\u043c\u0430\u043c\u0435 \u0441\u0435\u0440\u0438\u0439\u043d\u0430 PPP \u0432\u0440\u044a\u0437\u043a\u0430 \u043c\/\u0443 \u0434\u0432\u0430 \u0440\u0443\u0442\u0435\u0440\u0430 &#8211; R5 \u0438 R1. \u0422\u043e\u043a\u0443-\u0449\u043e \u0441\u043c\u0435 <\/span><span lang=\"BG\" style=\"font-size: 10pt; font-family: Tahoma\">\u0437\u0430\u0434\u0430\u043b\u0438<\/span><span lang=\"BG\" style=\"font-size: 10pt; font-family: Tahoma\"> <\/span><strong><em><span style=\"font-size: 10pt; font-family: Tahoma\">hello<\/span><\/em><\/strong><strong><em><span lang=\"BG\" style=\"font-size: 10pt; font-family: Tahoma\"> \u0438\u043d\u0442\u0435\u0440\u0432\u0430\u043b<\/span><\/em><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> \u043d\u0430 PPP \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441(serial 0\/1) \u043c\/\u0443 R1(Router ID: 1.1.1.254) \u0438 R5(Router ID: 1.1.1.5) \u043d\u0430 5 \u0441\u0435\u043a\u0443\u043d\u0434\u0438, \u043a\u043e\u0435\u0442\u043e \u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u043e \u043e\u0442 \u0441\u0442<\/span><span lang=\"BG\" style=\"font-size: 10pt; font-family: Tahoma\">\u043e\u0439\u043d\u043e\u0441\u0442\u0442\u0430<\/span><span style=\"font-size: 10pt; font-family: Tahoma\"> \u043f\u043e \u043f\u043e\u0434\u0440\u0430\u0437\u0431\u0438\u0440\u0430\u043d\u0435 \u043e\u0442 10 \u0441\u0435\u043a\u0443\u043d\u0434\u0438, \u043a\u043e\u044f\u0442\u043e \u0435 \u043d\u0430\u0441\u0442\u0440\u043e\u0435\u043d\u0430 \u043d\u0430 R5. \u0421\u043b\u0435\u0434 \u0438\u0437\u0442\u0438\u0447\u0430\u043d\u0435\u0442\u043e \u043d\u0430 <strong><em>dead-\u0438\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0430<\/em><\/strong> (4\u0445 hello, \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438<\/span><span lang=\"BG\" style=\"font-size: 10pt; font-family: Tahoma\">\u0447\u043d\u043e \u0438\u0437\u0447\u0438\u0441\u043b\u0435\u043d<\/span><span style=\"font-size: 10pt; font-family: Tahoma\">) \u043d\u0430 R1, \u0437\u0430 \u043a\u043e\u0435\u0442\u043e \u0432\u0440\u0435\u043c\u0435 \u0442\u043e\u0439 \u043d\u0435 \u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u0441\u044a\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0430\u0449 <strong><em>hello \u043f\u0430\u043a\u0435\u0442<\/em><\/strong> \u043e\u0442 R5, R1 \u0434\u0440\u043e\u043f\u0432\u0430 neighbor-\u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435\u0442\u043e. \u0418\u0437\u043f\u043e\u043b\u0437\u0432\u0430\u043d\u0430\u0442\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u0437\u0430 \u043f\u043e\u043a\u0430\u0437\u0432\u0430\u043d\u0435 \u043d\u0430 \u0442\u0435\u0437\u0438 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f \u0435:<\/span><\/p>\n<p style=\"margin-left: 36pt\"><strong><span style=\"font-size: 8pt\">R1#debug ip ospf adj<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0415\u0442\u043e \u0438 \u0434\u0440\u043e\u043f\u0432\u0430\u043d\u0435\u0442\u043e \u043d\u0430 neighbor<\/span><span lang=\"BG\" style=\"font-size: 10pt; font-family: Tahoma\">&#8211;<\/span><span style=\"font-size: 10pt; font-family: Tahoma\">a, \u0441 log \u0441\u044a\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u0437\u0430 <strong><em>dead timer expired<\/em><\/strong> \u043d\u0430 R1:<\/span><\/p>\n<p style=\"margin-left: 36pt\"><strong><span style=\"font-size: 8pt\">R1#<br \/>\n1d16h: OSPF: 1.1.1.5 address 192.168.15.2 on Serial0\/1 is dead<br \/>\n1d16h: OSPF: 1.1.1.5 address 192.168.15.2 on Serial0\/1 is dead, state DOWN<br \/>\n1d16h: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.5 on Serial0\/1 from FULL to DOWN, Neighbor Down: Dead timer expired<br \/>\nR1#<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041f\u0440\u0435\u0433\u043b\u0435\u0434 \u043d\u0430 \u0441\u044a\u0441\u0435\u0434\u0438\u0442\u0435 \u0437\u0430 ospf process id 1:<\/span>\n<\/p>\n<p style=\"margin-left: 36pt\"><strong><span style=\"font-size: 8pt\">R1#sh ip ospf neighb<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p style=\"margin-left: 36pt\"><strong><span style=\"font-size: 8pt\">Neighbor ID <\/span><\/strong><strong><span style=\"font-size: 8pt\">Pri<\/span><\/strong><strong><span style=\"font-size: 8pt\"> <\/span><\/strong><strong><span style=\"font-size: 8pt\">State<\/span><\/strong><strong><span style=\"font-size: 8pt\"> Dead Time Address Interface<br \/>\n1.1.1.3 1 FULL\/BDR <\/span><\/strong><strong><span style=\"font-size: 8pt\">00:00:31<\/span><\/strong><strong><span style=\"font-size: 8pt\"> 192.168.101.254 FastEthernet0\/0.101<br \/>\n1.1.1.3 1 FULL\/BDR <\/span><\/strong><strong><span style=\"font-size: 8pt\">00:00:31<\/span><\/strong><strong><span style=\"font-size: 8pt\"> 192.168.102.254 FastEthernet0\/0.102<br \/>\n1.1.1.3 1 FULL\/ &#8211; <\/span><\/strong><strong><span style=\"font-size: 8pt\">00:01:50<\/span><\/strong><strong><span style=\"font-size: 8pt\"> 192.168.123.3 Serial0\/0<br \/>\n1.1.1.5 1 FULL\/ &#8211; <\/span><\/strong><strong><span style=\"font-size: 8pt\">00:01:55<\/span><\/strong><strong><span style=\"font-size: 8pt\"> 192.168.123.5 Serial0\/0<br \/>\n1.1.1.4 1 FULL\/ &#8211; <\/span><\/strong><strong><span style=\"font-size: 8pt\">00:01:49<\/span><\/strong><strong><span style=\"font-size: 8pt\"> 192.168.123.4 Serial0\/0<br \/>\nR1#<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041a\u043e\u0435\u0442\u043e \u043f\u043e\u0442\u0432\u044a\u0440\u0436\u0434\u0430\u0432\u0430, \u0447\u0435 1.1.1.5 \u0435 flush-\u043d\u0430\u0442 \u043e\u0442 neighbor-\u0442\u0430\u0431\u043b\u0438\u0446\u0430\u0442\u0430, \u0437\u0430 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 Serial0\/1 \u0438 \u0432\u0435\u0447\u0435 \u043d\u0435 \u0441\u0435 \u0440\u0430\u0437\u043f\u043e\u0437\u043d\u0430\u0432\u0430 \u043a\u0430\u0442\u043e ospf neighbor \u0437\u0430 \u0442\u043e\u0437\u0438 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441.. (\u0417\u0430\u0431: \u0432 \u0438\u0437\u043f\u043e\u043b\u0437\u0432\u0430\u043d\u0430\u0442\u0430 \u0442\u043e\u043f\u043e\u043b\u043e\u0433\u0438\u044f, \u0438\u043c\u0430\u043c\u0435 \u043e\u0449\u0435 \u0435\u0434\u0438\u043d \u0434\u0438\u0440\u0435\u043a\u0442\u0435\u043d L3 \u043b\u0438\u043d\u043a \u043a\u044a\u043c 1.1.1.5 \u043f\u0440\u0435\u0437 S0\/0, \u043a\u043e\u0439\u0442\u043e \u0435 \u0441\u0432\u044a\u0440\u0437\u0430\u043d \u043f\u0440\u0435\u0437 Frame Relay \u043e\u0431\u043b\u0430\u043a \u043a\u044a\u043c 1.1.1.5 \u0441 ip address 192.168.123.5) \u0412 \u0442\u0430\u043a\u0430\u0432\u0430 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f, \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0430 \u043d\u0430 \u0441\u044a\u0441\u0435\u0434\u0441\u043a\u0438\u0442\u0435 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f \u043d\u0435 \u043c\u043e\u0436\u0435 \u0434\u0430 \u043f\u0440\u0435\u043c\u0438\u043d\u0435 \u0432 \u0441\u044a\u0441\u0442\u043e\u044f\u043d\u0438\u0435 Two-Way, \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043e\u0442\u043e \u043a\u043e\u0435\u0442\u043e \u0441\u0435 \u0441\u043b\u0443\u0447\u0432\u0430 \u0441 \u043d\u0435\u0433\u043e \u0441\u0430 \u043f\u0440\u0435\u0445\u043e\u0434\u0438 \u043e\u0442 Down->Init \u043f\u0440\u0438 \u0432\u0441\u0435\u043a\u0438 \u043f\u043e\u043b\u0443\u0447\u0435\u043d hello \u043f\u0430\u043a\u0435\u0442 \u043e\u0442 1.1.1.5 \u043f\u0440\u0435\u0437 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 S0\/1.<\/span><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0421\u043b\u0435\u0434 \u043a\u0430\u0442\u043e \u0441\u043c\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0438 \u043f\u0440\u043e\u043f\u0430\u0434\u0430\u043d\u0435\u0442\u043e \u043d\u0430 neighbor \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435\u0442\u043e, \u043c\u043e\u0436\u0435\u043c \u0434\u0430 \u0432\u0434\u0438\u0433\u043d\u0435\u043c \u043e\u0442\u043d\u043e\u0432\u043e hello-\u0438\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0430 \u043d\u0430 \u0441\u0442\u043e\u0439\u043d\u043e\u0441\u0442\u0442\u0430 \u043f\u043e \u043f\u043e\u0434\u0440\u0430\u0437\u0431\u0438\u0440\u0430\u043d\u0435, \u0437\u0430 \u0434\u0430 \u043e\u0441\u0442\u0430\u0432\u0438\u043c neighbor-\u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435\u0442\u043e \u0434\u0430 \u0441\u0435 \u0444\u043e\u0440\u043c\u0438\u0440\u0430 \u043e\u0442\u043d\u043e\u0432\u043e.<\/span><\/p>\n<p style=\"margin-left: 36pt\"><strong><span style=\"font-size: 8pt\">R1#conf t<br \/>\nEnter configuration commands, one per line. End with CNTL\/Z.<br \/>\nR1(config)#int s0\/1<br \/>\nR1(config-if)#ip ospf hello-interval 10<br \/>\nR1(config-if)#^Z<br \/>\nR1#<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041f\u0440\u0438 \u0441\u043b\u0435\u0434\u0432\u0430\u0449\u0438\u044f\u0442 hell\u043e, neighbor-\u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435\u0442\u043e \u0441\u0435 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0430 \u0442\u0430\u043a\u0430:<\/span><\/p>\n<p style=\"margin-left: 36pt\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">R1<\/span><\/strong><strong><span style=\"font-size: 8pt\">#<br \/>\n1d16h: OSPF: Rcv DBD from 1.1.1.5 on Serial0\/1 seq 0x11F6 opt 0x52 flag 0x7 len 32 mtu 1500 state INIT<br \/>\n1d16h: OSPF: 2 Way Communication to 1.1.1.5 on Serial0\/1, state 2WAY<br \/>\n1d16h: OSPF: Send DBD to 1.1.1.5 on Serial0\/1 seq 0x1793 opt 0x42 flag 0x7 len 32<br \/>\n1d16h: OSPF: First DBD and we are not SLAVE<br \/>\n1d16h: OSPF: Rcv DBD from 1.1.1.5 on Serial0\/1 seq 0x1793 opt 0x52 flag 0x2 len 192 mtu 1500 state EXSTART<br \/>\n1d16h: OSPF: NBR Negotiation Done. We are the MASTER<br \/>\n1d16h: OSPF: Send DBD to 1.1.1.5 on Serial0\/1 seq 0x1794 opt 0x42 flag 0x3 len 192<br \/>\n1d16h: OSPF: Rcv DBD from 1.1.1.5 on Serial0\/1 seq 0x1794 opt 0x52 flag 0x0 len 32 mtu 1500 state EXCHANGE<br \/>\n1d16h: OSPF: Send DBD to 1.1.1.5 on Serial0\/1 seq 0x1795 opt 0x42 flag 0x1 len 32<br \/>\n1d16h: OSPF: Rcv DBD from 1.1.1.5 on Serial0\/1 seq 0x1795 opt 0x52 flag 0x0 len 32 mtu 1500 state EXCHANGE<br \/>\n1d16h: OSPF: Exchange Done with 1.1.1.5 on Serial0\/1<br \/>\n1d16h: OSPF: Synchronized with 1.1.1.5 on Serial0\/1, state FULL<br \/>\n1d16h: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.5 on Serial0\/1 from LOADING to FULL, Loading Done<br \/>\n1d16h: OSPF: Build router LSA for area 0, router ID 1.1.1.254, seq 0x80000052<br \/>\nR1#<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041a\u0440\u0430\u0442\u043a\u043e \u043f\u043e\u044f\u0441\u043d\u0435\u043d\u0438\u0435 \u043d\u0430 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043d\u0430 Database Description (DBD) \u043f\u0430\u043a\u0435\u0442\u0438\u0442\u0435:<\/span><span lang=\"BG\" style=\"font-size: 10pt; font-family: Tahoma\" \/><\/p>\n<table cellspacing=\"0\" cellpadding=\"0\" border=\"1\" class=\"MsoTableGrid\" style=\"border: medium none ; border-collapse: collapse\">\n<tr>\n<td valign=\"top\" style=\"border: 1pt solid windowtext; padding: 0cm 5.4pt; width: 135px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span lang=\"BG\" style=\"font-size: 8pt; font-family: Tahoma\">8 \u0431\u0438\u0442\u0430<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 135px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span lang=\"BG\" style=\"font-size: 8pt; font-family: Tahoma\">8 \u0431\u0438\u0442\u0430<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" colspan=\"9\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 320px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span lang=\"BG\" style=\"font-size: 8pt; font-family: Tahoma\">16 \u0431\u0438\u0442\u0430<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 135px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">Version<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 135px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">Type<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" colspan=\"9\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 320px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">Packet Length<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"11\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 590px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">Router ID<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"11\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 590px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">Area ID<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"2\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 270px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">Checksum<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" colspan=\"9\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 320px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">AuthType<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"11\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 590px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">AuthInform<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"11\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 590px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">AuthInform<\/span><\/strong><strong><span lang=\"BG\" style=\"font-size: 8pt; font-family: Tahoma\" \/><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"2\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 270px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">IntfcMTU<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 135px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">Options<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 22px\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">0<\/span><\/strong><\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 22px\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">0<\/span><\/strong><\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 22px\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">0<\/span><\/strong><\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 22px\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">0<\/span><\/strong><\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 22px\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">0<\/span><\/strong><\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 19px\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">I<\/span><\/strong><\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 25px\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">M<\/span><\/strong><\/td>\n<td valign=\"top\" style=\"border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 32px\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">MS<\/span><\/strong><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"11\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 590px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">SequenceNm<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"11\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 590px\">\n<p align=\"center\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">LSAHeaders<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p><span lang=\"BG\" style=\"font-size: 10pt; font-family: Tahoma\">\u041f\u043e\u043b\u0435\u0442\u0430\u0442\u0430 \u0432 \u0437\u0430\u0433\u043b\u0430\u0432\u043d\u0430\u0442\u0430 \u0447\u0430\u0441\u0442 \u0441\u0435 \u0438\u0437\u043f\u043e\u043b\u0437\u0432\u0430\u0442 \u043a\u0430\u043a\u0442\u043e \u0441\u043b\u0435\u0434\u0432\u0430:<\/span><\/p>\n<ul type=\"disc\">\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">Version<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u0412\u0435\u0440\u0441\u0438\u044f \u043d\u0430 OSPF \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u043a\u043e\u044f\u0442\u043e \u0435 \u0444\u043e\u0440\u043c\u0438\u0440\u0430\u043b\u0430 \u0442\u043e\u0437\u0438      DBD \u043f\u0430\u043a\u0435\u0442.<\/span><\/li>\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">Type<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u0442\u0438\u043f \u043d\u0430 OSPF \u043f\u0430\u043a\u0435\u0442\u0430. \u0417\u0430 DBD \u043f\u0430\u043a\u0435\u0442 \u0442\u043e\u0432\u0430 \u0435 type=2, \u0438\u043b\u0438      0x02 \u0432 hex-\u0437\u0430\u043f\u0438\u0441.<\/span><\/li>\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">Packet Length<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u041e\u0431\u0449\u0430 \u0434\u044a\u043b\u0436\u0438\u043d\u0430 \u043d\u0430 \u043f\u0430\u043a\u0435\u0442\u0430, \u0432 \u0431\u0440\u043e\u0439 32-\u0431\u0438\u0442\u043e\u0432\u0438      \u0434\u0443\u043c\u0438.<\/span><\/li>\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">RouterID<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; ID \u043d\u043e\u043c\u0435\u0440\u0430 \u043d\u0430 ospf \u043f\u0440\u043e\u0446\u0435\u0441\u0430 \u043d\u0430 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f \u0440\u0443\u0442\u0435\u0440.<\/span><\/li>\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">Area ID<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u043d\u043e\u043c\u0435\u0440\u0430 \u043d\u0430 area-\u0442\u0430, \u0432 \u043a\u043e\u044f\u0442\u043e \u0441\u0435 \u043d\u0430\u043c\u0438\u0440\u0430 ospf      \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u043d\u0430 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f \u0440\u0443\u0442\u0435\u0440.<\/span><\/li>\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">Checksum<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0430 IP \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043d\u0430 \u0441\u0443\u043c\u0430 (\u0432 \u0441\u0430\u043c\u0438\u044f\u0442 LSA Header      \u0437\u0430 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043d\u0430 \u0441\u0443\u043c\u0430 \u0441\u0435 \u0438\u0437\u043f\u043e\u043b\u0437\u0432\u0430 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043d\u0430 \u0441\u0443\u043c\u0430 \u043d\u0430 \u0424\u043b\u0435\u0447\u044a\u0440, RFC1146, RFC905),      \u0438\u0437\u0447\u0438\u0441\u043b\u0435\u043d\u0430 \u0432\u044a\u0440\u0445\u0443 \u0446\u0435\u043b\u0438\u044f \u043f\u0430\u043a\u0435\u0442, \u0432\u043a\u043b. \u0437\u0430\u0433\u043b\u0430\u0432\u043d\u0430\u0442\u0430 \u0447\u0430\u0441\u0442.<\/span><\/li>\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">AuthType<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u0432\u0438\u0434 \u043d\u0430 \u0430\u0432\u0442\u0435\u043d\u0442\u0438\u043a\u0430\u0446\u0438\u044f\u0442\u0430 \u0437\u0430 \u043e\u0431\u043b\u0430\u0441\u0442\u0442\u0430, \u0432 \u043a\u043e\u044f\u0442\u043e \u0441\u0435      \u043d\u0430\u043c\u0438\u0440\u0430 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u043d\u0430 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0412\u044a\u0437\u043c\u043e\u0436\u043d\u0438\u0442\u0435 \u0432\u0438\u0434\u043e\u0432\u0435 \u0430\u0432\u0442\u0435\u043d\u0442\u0438\u043a\u0430\u0446\u0438\u044f \u0441\u0430:<\/span><\/p>\n<ul type=\"disc\">\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">0x0000<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u041b\u0438\u043f\u0441\u0430 \u043d\u0430 \u0430\u0432\u0442\u0435\u043d\u0442\u0438\u043a\u0430\u0446\u0438\u044f, => \u043f\u043e\u043b\u0435\u0442\u043e AuthInform \u043d\u0435      \u0441\u0435 \u0447\u0435\u0442\u0435 \u0438 \u043c\u043e\u0436\u0435 \u0434\u0430 \u0441\u044a\u0434\u044a\u0440\u0436\u0430 \u043a\u0430\u043a\u0432\u043e\u0442\u043e \u0438 \u0434\u0430 \u0431\u0438\u043b\u043e;<\/span><\/li>\n<\/ul>\n<ul type=\"disc\">\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">0x0001<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; Cleartext \u0430\u0432\u0442\u0435\u043d\u0442\u0438\u043a\u0430\u0446\u0438\u044f => \u043f\u043e\u043b\u0435\u0442\u043e AuthInform      \u0441\u044a\u0434\u044a\u0440\u0436\u0430 \u043f\u0430\u0440\u043e\u043b\u0430 \u0432 \u043d\u0435\u043a\u0440\u0438\u043f\u0442\u0438\u0440\u0430\u043d \u0442\u0435\u043a\u0441\u0442, \u0434\u043e 64 \u0431\u0438\u0442\u0430 \u0433\u043e\u043b\u0435\u043c\u0438\u043d\u0430;<\/span><\/li>\n<\/ul>\n<ul type=\"disc\">\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">0x0002<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; MD5 \u0410\u0432\u0442\u0435\u043d\u0442\u0438\u043a\u0430\u0446\u0438\u044f => \u043f\u043e\u043b\u0435\u0442\u043e AuthInform \u0438\u043c\u0430 \u0432\u0438\u0434\u0430      (\u0432\u0441\u0435\u043a\u0438 \u0440\u0435\u0434 \u0435 \u0435\u0434\u043d\u0430 32-\u0431\u0438\u0442\u043e\u0432\u0430 \u0434\u0443\u043c\u0430):<br \/>\n<!--[if !supportLineBreakNewLine]--><br \/>\n<!--[endif]--><\/span><\/li>\n<\/ul>\n<table width=\"446\" cellspacing=\"0\" cellpadding=\"0\" border=\"1\" class=\"MsoTableGrid\" style=\"border: medium none ; border-collapse: collapse\">\n<tr>\n<td valign=\"top\" style=\"border: 1pt solid windowtext; padding: 0cm 5.4pt; width: 72px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">0x0000<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 71px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">KeyID<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 452px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">AuthDataLength<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"3\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 595px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">CryptographicSequenceNumber<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u043a\u044a\u0434\u0435\u0442\u043e \u043f\u043e\u043b\u0435\u0442\u0430\u0442\u0430 \u0441\u0430 \u0441\u043b\u0435\u0434\u043d\u0438\u0442\u0435:<\/span>\n<\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">0x0000<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; padding zeros \ud83d\ude09<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">KeyId<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0438\u0440\u0430\u043d\u0438\u044f\u0442 key-id \u043d\u0430 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u043d\u0430 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440. \u0422\u0440\u044f\u0431\u0432\u0430 \u0434\u0430 \u0435 \u0441\u044a\u0449\u0438\u044f \u043d\u0430 \u043f\u043e\u043b\u0443\u0447\u0430\u0432\u0430\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440 \u0437\u0430 \u0434\u0430 \u0440\u0430\u0431\u043e\u0442\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043d\u0430 \u0430\u0432\u0442\u0435\u043d\u0442\u0438\u043a\u0430\u0446\u0438\u044f \u0443\u0441\u043f\u0435\u0448\u043d\u043e. AuthDataLength &#8211; \u0434\u044a\u043b\u0436\u0438\u043d\u0430 \u043d\u0430 <strong><em>Authentication Data<\/em><\/strong> \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f\u0442\u0430, \u0442.\u0435. \u043d\u0430 \u0441\u0430\u043c\u0438\u044f\u0442 message-digest \u0445\u0435\u0448.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">CryptographicSequenceNumber<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u043d\u0435\u043d\u0430\u043c\u0430\u043b\u044f\u0432\u0430\u0449 <strong>Sequence Number<\/strong>. \u0413\u043e\u043b\u0435\u043c\u0438\u043d\u0430\u0442\u0430 \u043d\u0430 \u043f\u043e\u043b\u0435\u0442\u043e \u0435 32 \u0431\u0438\u0442\u0430 => \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u043d\u0430\u0442\u0430 \u043c\u0443 \u0441\u0442\u043e\u0439\u043d\u043e\u0441\u0442 \u0435 0xFFFFFFFF \u0438\u043b\u0438 2^32=4294967296<br \/>\n<strong><em>\u0417\u0430\u0431: \u0441\u0430\u043c\u0438\u044f\u0442 message-digest \u0445\u0435\u0448 \u0441\u0435 \u0434\u043e\u0431\u0430\u0432\u044f \u0441\u043b\u0435\u0434 \u043a\u0440\u0430\u044f \u043d\u0430 OSPF \u043f\u0430\u043a\u0435\u0442\u0430, \u0438 \u043d\u0435 \u0435 \u0447\u0430\u0441\u0442 \u043e\u0442 \u0445\u0435\u0434\u044a\u0440\u0430.<\/em><\/strong><\/span>\n<\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 18pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">IntfcMTU<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; Maximum Transmission Unit \u043d\u0430 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f \u0440\u0443\u0442\u0435\u0440.<\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 10pt; font-family: Tahoma\">\u041f\u043e\u043b\u0435\u0442\u043e Options \u0441\u044a\u0434\u044a\u0440\u0436\u0430 \u0444\u043b\u0430\u0433\u043e\u0432\u0435, \u043f\u043e\u043a\u0430\u0437\u0432\u0430\u0449\u0438 \u043e\u043f\u0446\u0438\u043e\u043d\u0430\u043b\u043d\u0438 \u0432\u044a\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u043d\u0430 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f \u0440\u0443\u0442\u0435\u0440 \u0438 \u0438\u043c\u0430 \u0441\u043b\u0435\u0434\u043d\u0438\u044f \u0432\u0438\u0434:<\/span><\/p>\n<table cellspacing=\"0\" cellpadding=\"0\" border=\"1\" class=\"MsoTableGrid\" style=\"border: medium none ; border-collapse: collapse\">\n<tr>\n<td valign=\"top\" style=\"border: 1pt solid windowtext; padding: 0cm 5.4pt; width: 74px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">*<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 74px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">*<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 74px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">DC<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 74px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">EA<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 74px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">N\/P<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 74px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">MC<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 74px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">E<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\" style=\"border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 74px\">\n<p align=\"center\" class=\"MsoNormal\" style=\"text-align: center\"><strong><span style=\"font-size: 8pt; font-family: Tahoma\">T<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u043a\u0430\u0442\u043e \u0432\u0441\u0435\u043a\u0438 \u043e\u0442 \u0444\u043b\u0430\u0433\u043e\u0432\u0435\u0442\u0435 \u0435 \u043f\u043e 1 \u0431\u0438\u0442, \u0438 \u0438\u043c\u0430 \u0441\u043b\u0435\u0434\u043d\u0430\u0442\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u043d\u043e\u0441\u0442:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">*<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u043d\u0435\u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0446\u0438\u0440\u0430\u043d \u0431\u0438\u0442. \u0412 \u043d\u0430\u0448\u0438\u044f\u0442 \u0441\u043b\u0443\u0447\u0430\u0439, \u0435\u0434\u0438\u043d\u0438\u044f neighbor \u0437\u0430\u0434\u0430\u0432\u0430 \u0442\u0435\u0437\u0438 \u0434\u0432\u0430 \u0431\u0438\u0442\u0430 \u043a\u0430\u0442\u043e 01, \u0430 \u0432 \u043e\u0442\u0433\u043e\u0432\u043e\u0440\u0430 \u0441\u0438 \u0434\u0440\u0443\u0433\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440 \u0432\u0440\u044a\u0449\u0430 01;<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">DC &#8211; Demand Circuit<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u043f\u043e\u043a\u0430\u0437\u0432\u0430 \u0434\u0430\u043b\u0438 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440 \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430 <strong><em>OSPF over Demand Circuits<\/em><\/strong>;<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">EA<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u041f\u043e\u043a\u0430\u0437\u0432\u0430 \u0434\u0430\u043b\u0438 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440 \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430 <strong><em>External Attributes LSA<\/em><\/strong>;<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">N\/P<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u0442\u043e\u0437\u0438 \u0444\u043b\u0430\u0433 \u0443\u043a\u0430\u0437\u0432\u0430 \u043f\u043e\u0434\u0434\u0440\u044a\u0436\u043a\u0430\u0442\u0430 \u043d\u0430 NSSA \u043e\u0431\u043b\u0430\u0441\u0442\u0438:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">N<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u0437\u0430\u0434\u0430\u0432\u0430 \u0441\u0435 \u0432 hello \u043f\u0430\u043a\u0435\u0442\u0438, \u043a\u043e\u0433\u0430\u0442\u043e \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440 \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430 <strong><em>NSSA External LSA<\/em><\/strong> <strong>(type 7)<\/strong>. Ako \u0444\u043b\u0430\u0433\u0430 N \u0435 \u0432\u0434\u0438\u0433\u043d\u0430\u0442, E \u0442\u0440\u044f\u0431\u0432\u0430 \u0434\u0430 \u0435 \u0441\u0432\u0430\u043b\u0435\u043d, \u0437\u0430\u0449\u043e\u0442\u043e \u043c\u043e\u0436\u0435 \u0435\u0434\u0438\u043d \u0440\u0443\u0442\u0435\u0440, \u043a\u043e\u0439\u0442\u043e \u0435 \u0447\u0430\u0441\u0442 \u043e\u0442 NSSA \u0434\u0430 \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430 \u0438 <strong><em>AS External LSA(type 5)<\/em><\/strong> \u043f\u0430\u043a\u0435\u0442\u0438.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">P<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u0437\u0430\u0434\u0430\u0432\u0430 \u0441\u0435 \u0432 <strong><em>NSSA External LSA (type 7)<\/em><\/strong> \u043f\u0430\u043a\u0435\u0442\u0438, \u043a\u043e\u0438\u0442\u043e \u0442\u0440\u044f\u0431\u0432\u0430 \u0434\u0430 \u0431\u044a\u0434\u0430\u0442 \u0438\u0437\u043f\u0440\u0430\u0442\u0435\u043d\u0438 \u043a\u0430\u0442\u043e <strong><em>AS External LSA(type 5)<\/em><\/strong> \u043a\u044a\u043c \u043e\u0441\u0442\u0430\u043d\u0430\u043b\u0438\u0442\u0435 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043e\u0442 <strong><em>NSSA ABR<\/em><\/strong> \u0440\u0443\u0442\u0435\u0440\u0438\u0442\u0435. \u0414\u0432\u0430\u0442\u0430 \u0444\u043b\u0430\u0433\u0430 \u0437\u0430\u0435\u043c\u0430\u0442 \u0435\u0434\u043d\u043e \u0438 \u0441\u044a\u0449\u043e \u043c\u044f\u0441\u0442\u043e \u0432 Options \u043f\u043e\u043b\u0435\u0442\u043e, \u0437\u0430\u0449\u043e\u0442\u043e \u0435\u0434\u0438\u043d\u0438\u044f (N) \u0441\u0435 \u0438\u0437\u043f\u043e\u043b\u0437\u0432\u0430 \u0432 <strong>hello<\/strong>, \u0430 \u0434\u0440\u0443\u0433\u0438\u044f\u0442 (P) \u0441\u0435 \u0438\u0437\u043f\u043e\u043b\u0437\u0432\u0430 \u0432 <strong><em>LSA<\/em><\/strong> \u043f\u0430\u043a\u0435\u0442\u0438 (\u0438 \u0434\u0435 \u0444\u0430\u043a\u0442\u043e \u0437\u0430\u0435\u043c\u0430 \u043c\u044f\u0441\u0442\u043e\u0442\u043e \u043d\u0430 N).<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">MC<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u043f\u043e\u043a\u0430\u0437\u0432\u0430 \u0434\u0430\u043b\u0438 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440 \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430 multicasts (Multicast OSPF)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 72pt; text-indent: -18pt\"><!--[if !supportLists]--><span style=\"font-size: 10pt; font-family: Symbol\">\u00b7<\/span>         <!--[endif]--><strong><span style=\"font-size: 10pt; font-family: Tahoma\">E<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u0432 <strong><em>hello<\/em><\/strong> \u043f\u0430\u043a\u0435\u0442\u0438\u0442\u0435 \u043f\u043e\u043a\u0430\u0437\u0432\u0430 \u0434\u0430\u043b\u0438 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440 \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430 <strong><em>AS External LSA (type5)<\/em><\/strong>, \u0441\u044a\u0449\u043e \u0442\u0430\u043a\u0430 \u0435 \u0432\u0434\u0438\u0433\u043d\u0430\u0442 \u0438 \u0432\u044a\u0432 \u0432\u0441\u0438\u0447\u043a\u0438 <strong><em>LSA<\/em><\/strong>, \u043a\u043e\u0438\u0442\u043e \u043f\u0440\u043e\u0438\u0437\u043b\u0438\u0437\u0430\u0442 \u043e\u0442 non-stub \u043e\u0431\u043b\u0430\u0441\u0442\u0438. \u0424\u043b\u0430\u0433\u044a\u0442 \u0435 \u0441\u0432\u0430\u043b\u0435\u043d \u0432 <strong><em>hello<\/em><\/strong> \u043f\u0430\u043a\u0435\u0442\u0438\u0442\u0435 \u043d\u0430 <strong><em>stub<\/em><\/strong>,<strong><em> totally stubbby<\/em><\/strong>, \u0438 <strong><em>NSSA<\/em><\/strong> \u0440\u0443\u0442\u0435\u0440\u0438, \u043e\u0441\u0432\u0435 \u0442\u043e\u0432\u0430 \u0434\u0438\u0440\u0435\u043a\u0442\u043d\u043e \u0441\u0432\u044a\u0440\u0437\u0430\u043d\u0438 \u0440\u0443\u0442\u0435\u0440\u0438 \u0441 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u0438 E-\u0444\u043b\u0430\u0433\u043e\u0432\u0435 \u043d\u0435 \u043c\u043e\u0433\u0430\u0442 \u0434\u0430 \u0441\u0442\u0430\u043d\u0430\u0442 <strong><em>adjacent<\/em><\/strong>, => \u043c\u043e\u0436\u0435\u043c \u0434\u0430 \u0437\u0430\u043a\u043b\u044e\u0447\u0438\u043c \u0447\u0435 \u0432\u0441\u0438\u0447\u043a\u0438 \u0440\u0443\u0442\u0435\u0440\u0438 \u0432 \u0435\u0434\u043d\u0430 \u043e\u0431\u043b\u0430\u0441\u0442 \u0442\u0440\u044f\u0431\u0432\u0430 \u0434\u0430 \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430\u0442 \u0435\u0434\u043d\u0430\u043a\u0432\u043e <strong><em>AS External LSA<\/em><\/strong>, \u0437\u0430 \u0434\u0430 \u0441\u0442\u0430\u043d\u0430\u0442 adjacent \u043f\u043e\u043c\u0435\u0436\u0434\u0443 \u0441\u0438. \u0421\u044a\u0449\u043e\u0442\u043e \u0432\u0430\u0436\u0438 \u0438 \u0437\u0430 <strong><em>Stub<\/em><\/strong>, <strong><em>Totally stubby<\/em><\/strong> \u0438 <strong><em>NSSA<\/em><\/strong> \u043e\u0431\u043b\u0430\u0441\u0442\u0438\u0442\u0435.<br \/>\n<strong>T<\/strong> &#8211; \u041f\u043e\u043a\u0430\u0437\u0432\u0430 \u0434\u0430\u043b\u0438 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440 \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430 <strong><em>Type Of Service<\/em><\/strong>.<\/span><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0421\u043b\u0435\u0434\u0432\u0430\u0449\u043e\u0442\u043e \u043f\u043e\u043b\u0435 \u0435 \u0438\u0437\u043f\u0438\u0441\u0430\u043d\u043e \u043a\u0430\u0442\u043e &#8222;flags&#8220; \u0432 debug-output-\u0430 \u043f\u043e-\u0433\u043e\u0440\u0435. \u0422\u043e \u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u043d\u043e \u0437\u0430 DBD \u043f\u0430\u043a\u0435\u0442\u0438\u0442\u0435 \u0438 \u0438\u043c\u0430 \u0442\u0430\u043a\u044a\u0432 \u0444\u043e\u0440\u043c\u0430\u0442:<\/span><\/p>\n<ul type=\"disc\">\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">0000<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; padding zeros \ud83d\ude09 \u0441\u043b\u0435\u0434 \u043a\u043e\u0442\u0439\u0442\u043e \u0441\u043b\u0435\u0434\u0432\u0430\u0442 \u0444\u043b\u0430\u0433\u043e\u0432\u0435\u0442\u0435:<\/span><\/li>\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">I &#8211; Initial<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u043f\u043e\u043a\u0430\u0437\u0432\u0430 \u0434\u0430\u043b\u0438 \u0442\u043e\u0437\u0438 DBD \u043f\u0430\u043a\u0435\u0442 \u0435 \u0435 \u043f\u044a\u0440\u0432\u0438\u044f\u0442 \u0437\u0430      \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f \u0440\u0443\u0442\u0435\u0440 \u0432 \u0442\u0435\u043a\u0443\u0449\u0438\u044f DBD \u043e\u0431\u043c\u0435\u043d.<\/span><\/li>\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">M &#8211; More<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u043f\u043e\u043a\u0430\u0437\u0432\u0430 \u0434\u0430\u043b\u0438 \u0442\u043e\u0437\u0438 DBD \u043f\u0430\u043a\u0435\u0442 \u0435 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u044f\u0442 \u0437\u0430      \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f \u0440\u0443\u0442\u0435\u0440 \u0432 \u0442\u0435\u043a\u0443\u0449\u0438\u044f \u043e\u0431\u043c\u0435\u043d. \u0410\u043a\u043e \u0444\u043b\u0430\u0433\u0430 \u0435 \u0432\u0434\u0438\u0433\u043d\u0430\u0442, \u0442\u043e\u0432\u0430 \u043f\u043e\u043a\u0430\u0437\u0432\u0430 \u0447\u0435      \u0442\u043e\u0437\u0438 DBD \u043f\u0430\u043a\u0435\u0442 \u043d\u0435 \u0435 \u043f\u043e\u0441\u043b\u0435\u0434\u0435\u043d.<\/span><\/li>\n<li class=\"MsoNormal\"><strong><span style=\"font-size: 10pt; font-family: Tahoma\">MS &#8211; Master\/Slave<\/span><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> &#8211; \u043f\u043e\u043a\u0430\u0437\u0432\u0430 \u0434\u0430\u043b\u0438 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u0449\u0438\u044f\u0442      \u0440\u0443\u0442\u0435\u0440 \u0435 <strong><em>master<\/em><\/strong> \u0432 \u0442\u0435\u043a\u0443\u0449\u0438\u044f \u043e\u0431\u043c\u0435\u043d. \u041a\u0430\u043a\u0442\u043e \u0441\u0435 \u0432\u0438\u0436\u0434\u0430 \u043e\u0442 debug      output-\u0430 \u043f\u043e-\u0433\u043e\u0440\u0435, \u0442\u043e\u0437\u0438 \u0444\u043b\u0430\u0433 \u0432\u0438\u043d\u0430\u0433\u0438 \u0435 \u0432\u0434\u0438\u0433\u043d\u0430\u0442 \u0432 \u043f\u044a\u0440\u0432\u0438\u0442\u0435 DBD \u043f\u0430\u043a\u0435\u0442\u0438, \u043a\u043e\u0438\u0442\u043e      \u0441\u0435 \u043e\u0431\u043c\u0435\u043d\u044f\u0442 (ExStart \u0441\u044a\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043d\u0430 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0430 \u043d\u0430 neighbor \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435\u0442\u043e).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0414\u0430 \u0432\u0437\u0435\u043c\u0435\u043c \u043f\u044a\u0440\u0432\u0438\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d DBD \u043f\u0430\u043a\u0435\u0442 \u043e\u0442 R5:<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: Rcv DBD from 1.1.1.5 on Serial0\/1 seq 0x11F6 opt 0x52 flag 0x7 len 32 mtu 1500 state INIT<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041f\u043e\u043f\u044a\u043b\u043d\u0435\u043d \u0441 OSPF \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f\u0442\u0430 \u043e\u0442 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u0430\u0442\u0430 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f, \u0438\u0437\u043f\u043e\u043b\u0437\u0432\u0430\u0439\u043a\u0438 \u043f\u044a\u0440\u0432\u0438\u044f debug-\u043d\u0430\u0442 \u043f\u0430\u043a\u0435\u0442 \u043e\u0442 1.1.1.5, \u043f\u0430\u043a\u0435\u0442\u0430 \u0431\u0438 \u0438\u0437\u0433\u043b\u0435\u0436\u0434\u0430\u043b \u0442\u0430\u043a\u0430:<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">|0x02|0x02|0x0020|<br \/>\n|0x01010105|<br \/>\n|0x00000000|<br \/>\n|Chcksum|0x0000|<br \/>\n|0x00000000|<br \/>\n|0x00000000|<br \/>\n|0x05DC|0x0000|<\/span><\/strong><strong><span style=\"font-size: 8pt\">01010010<\/span><\/strong><strong><span style=\"font-size: 8pt\">|0000|111|<br \/>\n|0x11F6|<br \/>\n|LSA Headers|<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0421 \u0447\u043e\u0432\u0435\u0448\u043a\u0438 \u0434\u0443\u043c\u0438 ;), \u043f\u0430\u043a\u0435\u0442\u044a\u0442 \u043a\u0430\u0437\u0432\u0430, \u0447\u0435 \u0440\u0443\u0442\u0435\u0440 1.1.1.5 \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430 <strong><em>External Attriibutes LSA<\/em><\/strong>, \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u0430 <strong><em>AS External LSA<\/em><\/strong>, \u0442\u043e\u0432\u0430 \u0435 \u043f\u044a\u0440\u0432\u0438\u044f\u0442 (<strong><em>Initial<\/em><\/strong>) DBD \u043a\u043e\u0439\u0442\u043e \u0438\u0437\u043f\u0440\u0430\u0449\u0430, \u043f\u043e\u0441\u043b\u0435\u0434\u0432\u0430\u043d \u043e\u0442 \u0434\u0440\u0443\u0433\u0438 (<strong><em>More<\/em><\/strong>) \u0438 \u0442\u0435\u043a\u0443\u0449\u0438\u044f\u0442 \u0440\u0443\u0442\u0435\u0440 \u0441\u0435 \u0441\u043c\u044f\u0442\u0430 \u0437\u0430 Master \u0432 \u0442\u0435\u043a\u0443\u0449\u0438\u044f DBD \u043e\u0431\u043c\u0435\u043d. \u0417\u0430\u0431: \u0432\u0438\u0436\u0434\u0430 \u0441\u0435, \u0447\u0435 neighbor-\u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0430 \u043d\u0430 1.1.1.5 \u0435 \u0441\u044a\u0441\u0442\u043e\u044f\u043d\u0438\u0435 <strong><em>INIT<\/em><\/strong>, \u0430 \u0441\u043b\u0435\u0434 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u043d\u0435\u0442\u043e \u043d\u0430 \u0442\u043e\u0437\u0438 \u043f\u0430\u043a\u0435\u0442 \u0435 \u0432\u043b\u044f\u0437\u044a\u043b \u0432 \u0441\u044a\u0441\u0442\u043e\u044f\u043d\u0438\u0435 <strong><em>ExSTART<\/em><\/strong>, \u0437\u0430 \u0434\u043e\u0433\u043e\u0432\u0430\u0440\u044f\u043d\u0435 \u043d\u0430 <strong><em>Master-Slave<\/em><\/strong> \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f\u0442\u0430 \u0437\u0430 DBD \u043e\u0431\u043c\u0435\u043d\u0430. \u041d\u0430 \u0442\u043e\u0437\u0438 DBD \u043f\u0430\u043a\u0435\u0442, R1 \u043e\u0442\u0433\u043e\u0432\u0430\u0440\u044f \u0441\u044a\u0441 \u0441\u043b\u0435\u0434\u043d\u0438\u044f DBD \u043f\u0430\u043a\u0435\u0442 (\u043a\u043e\u0439\u0442\u043e \u043e\u0441\u0432\u0435\u043d \u0432\u0441\u0438\u0447\u043a\u043e \u0434\u0440\u0443\u0433\u043e \u0449\u0435 \u043f\u043e\u043a\u0430\u0436\u0435 \u043d\u0430 link neighbor-a, \u0447\u0435 R1 \u0441\u044a\u0449\u0442\u043e \u0432\u0435\u0447\u0435 \u0435 \u0432 <strong><em>EXSTART<\/em><\/strong>):<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">|0x02|0x02|0x0020|<br \/>\n|0x010101FE|<br \/>\n|0x00000000|<br \/>\n|Chcksum|0x0000|<br \/>\n|0x00000000|<br \/>\n|0x00000000|<br \/>\n|0x05DC|0x0000|01000010|0000|111|<br \/>\n|0x1793|<br \/>\n|LSA Headers|<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">R1 \u0438\u0437\u043f\u0440\u0430\u0449\u0430 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d DBD \u043f\u0430\u043a\u0435\u0442, \u043a\u0430\u0442\u043e \u0432\u043a\u043b\u044e\u0447\u0432\u0430 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043e\u0442\u043e \u0441\u0438 <strong><em>Router ID<\/em><\/strong> 1.1.1.254, \u0438\u043b\u0438 0x010101FE. \u0418\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e\u0442\u043e \u0432 \u0441\u043b\u0443\u0447\u0430\u044f \u0441\u0430 \u043e\u043f\u0446\u0438\u0438\u0442\u0435:<br \/>\n\u043f\u044a\u0440\u0432\u0438\u0442\u0435 \u0434\u0432\u0430 (unused \u043f\u043e \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f) \u0431\u0438\u0442\u0430, \u0441\u0430 \u0438\u043d\u0432\u0435\u0440\u0442\u0438\u0440\u0430\u043d\u0430\u0442\u0430 \u0441\u0442\u043e\u0439\u043d\u043e\u0441\u0442 (10) \u043d\u0430 \u0441\u044a\u043e\u0442\u0432\u0435\u0442\u043d\u0438\u0442\u0435 \u0431\u0438\u0442\u043e\u0432\u0435 \u043e\u0442 \u043e\u043f\u0446\u0438\u0438\u0442\u0435 \u043d\u0430 R1 (01). \u0412 RFC 2328 \u0435 \u0443\u043a\u0430\u0437\u0430\u043d\u043e, \u0447\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u043a\u043e\u0435\u0442\u043e \u043f\u043e\u043b\u0443\u0447\u0430\u0432\u0430 \u043f\u0430\u043a\u0435\u0442\u0438 \u0441\u044a\u0441 \u0441\u0435\u0442\u043d\u0430\u0442\u0438 unused-\u0431\u0438\u0442\u043e\u0432\u0435, \u0442\u0440\u044f\u0431\u0432\u0430 \u0434\u0430 \u0433\u0438 \u0440\u0435\u0437\u0435\u0442\u0432\u0430 \u043d\u0430 \u043d\u0443\u043b\u0438, \u043d\u043e \u0442\u0443\u043a \u044f\u0432\u043d\u043e \u043d\u0435 \u0435 \u0442\u0430\u043a\u0430,  \u043a\u043e\u0435\u0442\u043e \u043d\u0435 \u0441\u044a\u043c \u0443\u0431\u0435\u0434\u0435\u043d \u0434\u0430\u043b\u0438 \u043d\u0435 \u0435 \u043d\u0430\u0447\u0438\u043d \u0437\u0430 \u043e\u0437\u043d\u0430\u0447\u0430\u0432\u0430\u043d\u0435 \u043f\u043e\u0441\u043e\u043a\u0430\u0442\u0430 \u043d\u0430 \u0434\u0430\u0434\u0435\u043d \u043f\u0430\u043a\u0435\u0442 \u043a\u044a\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d \u0440\u0443\u0442\u0435\u0440 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0430 \u043d\u0430 DBD \u043e\u0431\u043c\u0435\u043d, \u0438l\u0438 \u043f\u044a\u043a \u043d\u0435\u0449\u043e \u0434\u0440\u0443\u0433\u043e ;). \u041e\u0441\u0432\u0435\u043d \u0442\u043e\u0432\u0430 \u0432\u0438\u0436\u0434\u0430\u043c\u0435, \u0447\u0435 R1 \u043d\u0435 \u0435 \u043e\u0437\u043d\u0430\u0447\u0438\u043b \u043f\u043e\u0434\u0434\u044a\u0440\u0436\u043a\u0430 \u0437\u0430 <strong><em>External Attributes LSA<\/em><\/strong>, \u043a\u043e\u0435\u0442\u043e \u043e\u0431\u0430\u0447\u0435 \u043d\u0435 \u0435 \u043f\u0440\u0438\u0447\u0438\u043d\u0430 \u0437\u0430 \u0440\u0430\u0437\u043f\u0430\u0434\u0430\u043d\u0435 \u043d\u0430 <strong><em>adjacency<\/em><\/strong>&#8211;<strong><em>\u0442\u043e<\/em><\/strong>. R1, \u0441\u044a\u0449\u043e \u043a\u0430\u043a\u0442\u043e \u0438 R5 (\u0438 \u0434\u0432\u0430\u0442\u0430 \u0441\u0430 \u0432 \u0435\u0434\u043d\u0430 \u043e\u0431\u043b\u0430\u0441\u0442 &#8211;<em> <strong>backbone 0<\/strong><\/em>) \u043f\u043e\u043a\u0430\u0437\u0432\u0430 \u043f\u043e\u0434\u0434\u0440\u044a\u0436\u043a\u0430 \u0437\u0430 <strong><em>AS External LSA (type 5)<\/em><\/strong>, \u043a\u043e\u0435\u0442\u043e \u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u043d\u043e. R1 \u043e\u0442 \u0441\u0432\u043e\u044f \u0441\u0442\u0440\u0430\u043d\u0430 \u0441\u044a\u0449\u043e \u0432\u0434\u0438\u0433\u0430 \u0438 \u0442\u0440\u0438\u0442\u0435 \u0444\u043b\u0430\u0433\u0430 (<strong><em>I-Initial, M-More, MS-Master<\/em><\/strong>), \u0437\u0430\u0430 \u0434\u0430 \u043f\u043e\u043a\u0430\u0436\u0435 \u0447\u0435 \u0442\u043e\u0432\u0430 \u0441\u044a\u0449\u043e \u0435 \u043d\u0435\u0433\u043e\u0432\u0438\u044f\u0442 \u043d\u0430\u0447\u0430\u043b\u0435\u043d DBD \u043f\u0430\u043a\u0435\u0442, \u0441\u043b\u0435\u0434 \u043d\u0435\u0433\u043e \u0438\u043c\u0430 \u043e\u0449\u0435, \u0438 \u0442\u043e\u0439 \u0442\u0440\u044f\u0431\u0432\u0430 \u0434\u0430 \u0441\u0442\u0430\u043d\u0435 <strong><em>master<\/em><\/strong> \u0437\u0430 DBD \u0441\u0435\u0441\u0438\u044f\u0442\u0430 \u043d\u0430 \u0442\u043e\u0437\u0438 \u043b\u0438\u043d\u043a. R1 \u0432\u0441\u044a\u0449\u043d\u043e\u0441\u0442 \u0438\u043c\u0430 \u043f\u044a\u043b\u043d\u043e\u0442\u043e \u043f\u0440\u0430\u0432\u043e \ud83d\ude09 \u0434\u0430 \u0441\u0435 \u043e\u0431\u043e\u0437\u043d\u0430\u0447\u0438 \u043a\u0430\u0442\u043e <strong><em>Master<\/em><\/strong>, \u0437\u0430\u0449\u043e\u0442\u043e \u043d\u0435\u0433\u043e\u0432\u043e\u0442\u043e <strong><em>Router ID<\/em><\/strong> (1.1.1.254) \u0435 \u043f\u043e-\u0433\u043e\u043b\u044f\u043c\u043e \u043e\u0442 <strong><em>RouterID-\u0442\u043e<\/em><\/strong> \u043d\u0430 \u043b\u0438\u043d\u043a-\u0441\u044a\u0441\u0435\u0434\u0430(1.1.1.5). \u041e\u0442\u0442\u0443\u043a \u043d\u0430\u0442\u0430\u0442\u044a\u043a, R5 \u0442\u0440\u044f\u0431\u0432\u0430 \u0434\u0430 \u043f\u0440\u0438\u0435\u043c\u0435 R1 \u0437\u0430 <strong><em>Master<\/em><\/strong>, \u043e\u0442 \u043a\u043e\u0435\u0442\u043e \u0441\u043b\u0435\u0434\u0432\u0430\u0442 \u0434\u0432\u0435 \u043d\u0435\u0449\u0430:<br \/>\n1. R5 \u043d\u044f\u043c\u0430 \u0434\u0430 \u043f\u0440\u0430\u0449\u0430 \u043f\u043e\u0432\u0435\u0447\u0435 DBD \u043f\u0430\u043a\u0435\u0442\u0438 \u0441 \u0432\u0434\u0438\u0433\u043d\u0430\u0442 <strong><em>MS \u0444\u043b\u0430\u0433<\/em><\/strong>;<br \/>\n2. R5 \u0449\u0435 \u0438\u0437\u043f\u043e\u043b\u0437\u0432\u0430 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430 \u0437\u0430 \u043d\u043e\u043c\u0435\u0440\u0438\u0440\u0430\u043d\u0435 \u043d\u0430 R1, \u0442.\u0435. DBD \u043f\u0430\u043a\u0435\u0442\u0438\u0442\u0435, \u043a\u043e\u0438\u0442\u043e \u0442\u043e\u0439 \u043f\u0440\u0430\u0449\u0430 \u0449\u0435 \u0431\u044a\u0434\u0430\u0442 \u043d\u043e\u043c\u0435\u0440\u0438\u0440\u0430\u043d\u0438 \u0441 \u043d\u043e\u043c\u0435\u0440\u0430\u0442\u0430 \u043d\u0430 R1.<br \/>\nDebug \u0441\u044a\u043e\u0431\u0449\u0435\u043d\u0438\u0435\u0442\u043e &#8222;<strong>OSPF: First DBD and we are not SLAVE<\/strong>&#8220; \u043d\u0430 R1 \u043f\u043e\u043a\u0430\u0437\u0432\u0430 \u0442\u043e\u0432\u0430 \u043e\u0449\u0435 \u0435\u0434\u0438\u043d \u043f\u044a\u0442.<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: Send DBD to 1.1.1.5 on Serial0\/1 seq 0x1793 opt 0x42 flag 0x7 len 32<br \/>\n1d16h: OSPF: First DBD and we are not SLAVE<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041c\u043e\u0436\u0435\u043c \u0434\u0430 \u0432\u0438\u0434\u0438\u043c \u043e\u0442\u0433\u043e\u0432\u043e\u0440\u0430 \u043d\u0430 R5 \u0432 \u0441\u043b\u0435\u0434\u0432\u0430\u0449\u0438\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d DBD \u043f\u0430\u043a\u0435\u0442 (R5 \u0435 \u0432 \u0441\u044a\u0441\u0442\u043e\u044f\u043d\u0438\u0435 <strong><em>EXSTART<\/em><\/strong>):<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: Rcv DBD from 1.1.1.5 on Serial0\/1 seq 0x1793 opt 0x52 flag 0x2 len 192 mtu 1500 state EXSTART<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><strong><span style=\"font-size: 8pt\">|0x02|0x02|0x00C0|<br \/>\n|0x01010105|<br \/>\n|0x00000000|<br \/>\n|Chcksum|0x0000|<br \/>\n|0x00000000|<br \/>\n|0x00000000|<br \/>\n|0x05DC|0x0000|<\/span><\/strong><strong><span style=\"font-size: 8pt\">01010010<\/span><\/strong><strong><span style=\"font-size: 8pt\">|0000|010|<br \/>\n|0x1793|<br \/>\n|LSA Headers|<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">DBD \u043f\u0430\u043a\u0435\u0442\u0430 \u0435 \u043c\u043d\u043e\u0433\u043e \u043f\u043e\u0434\u043e\u0431\u0435\u043d \u043d\u0430 \u043f\u0440\u0435\u0434\u0438\u0448\u043d\u0438\u044f \u0438\u0437\u043f\u0440\u0430\u0442\u0435\u043d \u043e\u0442 R5, \u0441\u044a\u0441 \u0441\u043b\u0435\u0434\u043d\u0438\u0442\u0435 \u0440\u0430\u0437\u043b\u0438\u043a\u0438:<\/span><\/p>\n<ul type=\"disc\">\n<li class=\"MsoNormal\"><span style=\"font-size: 10pt; font-family: Tahoma\">\u0434\u044a\u043b\u0436\u0438\u043d\u0430 \u043d\u0430 \u043f\u0430\u043a\u0435\u0442\u0430 \u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u0430(0x00C0), \u0437\u0430\u0440\u0430\u0434\u0438      \u0441\u044a\u0434\u044a\u0440\u0436\u0430\u043d\u0438\u0442\u0435 LSA \u0445\u0435\u0434\u044a\u0440\u0438;<\/span><\/li>\n<li class=\"MsoNormal\"><span style=\"font-size: 10pt; font-family: Tahoma\">\u0424\u043b\u0430\u0433\u043e\u0432\u0435\u0442\u0435 <strong><em>Init<\/em><\/strong>(\u0442\u043e\u0432\u0430 \u0432\u0435\u0447\u0435 \u0435 \u0432\u0442\u043e\u0440\u0438      DBD \u043f\u0430\u043a\u0435\u0442 \u043e\u0442 R5, \u043d\u0435 \u0435 <strong><em>Initial<\/em><\/strong>) \u0438 <strong><em>MS<\/em><\/strong>(1.1.1.5 \u043d\u0435      \u0435 <strong><em>Master<\/em><\/strong> \u0432 \u0442\u0435\u043a\u0443\u0449\u0438\u044f DBD \u043e\u0431\u043c\u0435\u043d) \u0432\u0435\u0447\u0435 \u0441\u0430 \u0441\u0432\u0430\u043b\u0435\u043d\u0438, \u0438 \u0444\u043b\u0430\u0433\u043e\u0432\u0435\u0442\u0432      \u0441\u0430 010, \u0438\u043b\u0438 0x02.<\/span><\/li>\n<li class=\"MsoNormal\"><span style=\"font-size: 10pt; font-family: Tahoma\">\u041e\u0447\u0435\u0432\u0438\u0434\u043d\u043e R5 \u0435\u0432\u0447\u0435 \u0435 \u0440\u0430\u0437\u0431\u0440\u0430\u043b \u043e\u0442 DBD \u043f\u0430\u043a\u0435\u0442\u0430 \u043d\u0430 R1,      \u0447\u0435 \u0442\u043e\u0439(R5) \u043d\u0435 \u0435 <strong><em>Master<\/em><\/strong> \u0432 \u0442\u0435\u043a\u0443\u0449\u0438\u044f DBD \u043e\u0431\u043c\u0435\u043d,\u0437\u0430\u0442\u043e\u0432\u0430 \u0435 \u0441\u0432\u0430\u043b\u0438\u043b <strong><em>MS      \u0444\u043b\u0430\u0433\u0430 <\/em><\/strong>\u0432 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u0438\u0442\u0435 \u0441\u0438 DBD \u043f\u0430\u043a\u0435\u0442\u0438. \u041e\u0441\u0432\u0435\u043d \u0442\u043e\u0432\u0430, \u043a\u0430\u043a\u0442\u043e \u0441\u0435 \u0432\u0438\u0436\u0434\u0430 \u043e\u0442      \u043f\u043e\u043b\u0435\u0442\u043e <strong><em>SequenceNm<\/em><\/strong> (0x1793, \u0438\u043b\u0438 \u0441\u044a\u0449\u043e\u0442\u043e \u043a\u0430\u0442\u043e <strong><em>SequenceNm<\/em><\/strong>      \u043d\u0430 R1), R5 \u043d\u043e\u043c\u0435\u0440\u0438\u0440\u0430 \u0441\u0432\u043e\u0438\u0442\u0435 DBD \u043f\u0430\u043a\u0435\u0442\u0438 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430 \u043d\u0430 R1, \u043a\u0430\u0442\u043e \u0434\u043e\u0440\u0438      \u0438\u0437\u043f\u043e\u043b\u0437\u0432\u0430 \u0441\u044a\u0449\u0438\u044f \u043d\u043e\u043c\u0435\u0440, \u043a\u0430\u0442\u043e \u0438\u0437\u043f\u0440\u0430\u0442\u0435\u043d\u0438\u044f \u043e\u0442 R1, \u0441 \u043a\u043e\u0435\u0442\u043e \u0434\u0435 \u0444\u0430\u043a\u0442\u043e \u043f\u0440\u0430\u0432\u0438 \u0438 <strong><em>DBD      Acknowledgement<\/em><\/strong>, \u043f\u043e\u0442\u0432\u044a\u0440\u0436\u0434\u0430\u0432\u0430\u0439\u043a\u0438 \u0443\u0441\u043f\u0435\u0448\u043d\u043e\u0442\u043e \u043f\u043e\u043b\u0443\u0447\u0430\u0432\u0430\u043d\u0435 \u043d\u0430 DBD \u043f\u0430\u043a\u0435\u0442\u0430      \u043d\u0430 R1.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0421\u043b\u0435\u0434 \u043f\u043e\u043b\u0443\u0447\u0430\u0432\u0430\u043d\u0435\u0442\u043e \u043d\u0430 \u0442\u0430\u043a\u044a\u0432 DBD \u043f\u0430\u043a\u0435\u0442 \u043b\u0438\u043d\u043a-\u0441\u044a\u0441\u0435\u0434\u0430, R1 \u0432\u0435\u0447\u0435 \u0435 \u0441\u0438\u0433\u0443\u0440\u0435\u043d, \u0447\u0435 \u0435 \u043f\u0440\u0438\u0435\u0442 \u0437\u0430 <strong><em>master<\/em><\/strong> \u043e\u0442 \u043e\u0442\u0441\u0440\u0435\u0449\u043d\u0430\u0442\u0430 \u0441\u0442\u0440\u0430\u043d\u0430 \u043d\u0430 \u043b\u0438\u043d\u043a\u0430, \u043a\u043e\u0435\u0442\u043e \u0441\u0435 \u043f\u043e\u0442\u0432\u044a\u0440\u0436\u0434\u0430\u0432\u0430 \u043e\u0442 \u0441\u044a\u043e\u0431\u0449\u0435\u043d\u0438\u0435\u0442\u043e:<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: NBR Negotiation Done. We are the MASTER<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041e\u0442\u0442\u0443\u043a \u043d\u0430\u0442\u0430\u0442\u044a\u043a, R1 \u043c\u043e\u0436\u0435 \u0434\u0430 \u043f\u0440\u043e\u0434\u044a\u043b\u0436\u0438 \u0441 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435\u0442\u043e \u043d\u0430 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u0430\u0442\u0430 \u0441\u0438 Link-State \u0431\u0430\u0437\u0430 \u0434\u0430\u043d\u043d\u0438, \u0438 \u0434\u0430 \u043f\u043e\u043b\u0443\u0447\u0430\u0432\u0430 \u043e\u0431\u0440\u0430\u0442\u043d\u043e \u043f\u043e\u0442\u0432\u044a\u0440\u0436\u0434\u0435\u043d\u0438\u044f\u0442\u0430 \u043d\u0430 R5, \u0441\u044a\u0434\u044a\u0440\u0436\u0430\u0449\u0438 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u0430\u0442\u0430 \u043c\u0443 <strong><em>LSDB<\/em><\/strong>.<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: Send DBD to 1.1.1.5 on Serial0\/1 seq 0x1794 opt 0x42 flag 0x3 len 192<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><strong><span style=\"font-size: 8pt\">|0x02|0x02|0x00C0|<br \/>\n|0x010101FE|<br \/>\n|0x00000000|<br \/>\n|Chcksum|0x0000|<br \/>\n|0x00000000|<br \/>\n|0x00000000|<br \/>\n|0x05DC|0x0000|01000010|0000|011|<br \/>\n|0x1794|<br \/>\n|LSA Headers|<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><strong><em><span style=\"font-size: 10pt; font-family: Tahoma\">SequenceNm<\/span><\/em><\/strong><span style=\"font-size: 10pt; font-family: Tahoma\"> \u043e\u0442 0x1794 \u043f\u043e\u043a\u0430\u0437\u0432\u0430, \u0447\u0435 \u0442\u043e\u0432\u0430 \u0435 \u0441\u043b\u0435\u0434\u0432\u0430\u0449\u0438\u044f\u0442 DBD \u043f\u0430\u043a\u0435\u0442 \u043e\u0442 \u043d\u043e\u043c\u0435\u0440\u0430\u0446\u0438\u044f\u0442\u0430 \u043d\u0430 <strong><em>Master<\/em><\/strong>-\u0440\u0443\u0442\u0435\u0440\u0430,<strong><em> Initial<\/em><\/strong> \u0444\u043b\u0430\u0433\u0430 \u0435 \u0441\u0432\u0430\u043b\u0435\u043d, \u0432\u0434\u0438\u0433\u043d\u0430\u0442 \u0435 \u0444\u043b\u0430\u0433\u0430 <strong><em>More<\/em><\/strong>, \u0438 \u0444\u043b\u0430\u0433\u0430 <strong><em>MS<\/em><\/strong>, \u0437\u0430 <strong><em>Master<\/em><\/strong>. \u0421\u043b\u0435\u0434\u0432\u0430 \u043f\u043e\u0442\u0432\u044a\u0440\u0436\u0434\u0435\u043d\u0438\u0435 R5, \u043a\u043e\u0435\u0442\u043e \u043f\u043e\u043a\u0430\u0437\u0432\u0430, \u0447\u0435 \u043e\u0442 \u043f\u0440\u0435\u0434\u0438\u0448\u043d\u0438\u044f \u043f\u0430\u043a\u0435\u0442 \u0438 \u0442\u043e\u0439 \u0432\u0435\u0447\u0435 \u0435 \u0432 \u0441\u044a\u0441\u043e\u044f\u043d\u0438\u0435 <strong><em>Exchange<\/em><\/strong>:<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: Rcv DBD from 1.1.1.5 on Serial0\/1 seq 0x1794 opt 0x52 flag 0x0 len 32 mtu 1500 state EXCHANGE<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><strong><span style=\"font-size: 8pt\">|0x02|0x02|0x0020|<br \/>\n|0x01010105|<br \/>\n|0x00000000|<br \/>\n|Chcksum|0x0000|<br \/>\n|0x00000000|<br \/>\n|0x00000000|<br \/>\n|0x05DC|0x0000|<\/span><\/strong><strong><span style=\"font-size: 8pt\">01010010<\/span><\/strong><strong><span style=\"font-size: 8pt\">|0000|000|<br \/>\n|0x1794|<br \/>\n|LSA Headers|<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0424\u043b\u0430\u0433\u043e\u0432\u0435\u0442\u0435 \u0441\u0430 \u0432\u0435\u0447\u0435 000, \u043a\u043e\u0435\u0442\u043e \u0437\u043d\u0430\u0447\u0438, \u0447\u0435 \u0442\u043e\u0437\u0438 DBD \u043f\u0430\u043a\u0435\u0442 \u0435 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u044f\u0442 \u043e\u0442 R5. R1 \u043f\u0440\u0430\u0449\u0430 \u043e\u0431\u0440\u0430\u0442\u043d\u043e \u0441\u043b\u0435\u0434\u043d\u0438\u044f\u0442 DBD \u043f\u0430\u043a\u0435\u0442:<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: Send DBD to 1.1.1.5 on Serial0\/1 seq 0x1795 opt 0x42 flag 0x1 len 32<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><strong><span style=\"font-size: 8pt\">|0x02|0x02|0x0020|<br \/>\n|0x010101FE|<br \/>\n|0x00000000|<br \/>\n|Chcksum|0x0000|<br \/>\n|0x00000000|<br \/>\n|0x00000000|<br \/>\n|0x05DC|0x0000|01000010|0000|001|<br \/>\n|0x1795|<br \/>\n|LSA Headers|<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041e\u0442 \u043a\u043e\u0439\u0442\u043e \u0441\u0435 \u0432\u0438\u0436\u0434\u0430, \u0447\u0435 \u0442\u043e\u0432\u0430 \u0435 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u044f\u0442 \u043f\u0430\u043a\u0435\u0442 \u0438 \u043e\u0442 \u043d\u0435\u0433\u043e\u0432\u0438\u044f\u0442 Database Description \u043f\u0440\u043e\u0446\u0435\u0441. \u0421\u043b\u0435\u0434\u0432\u0430 \u043f\u043e\u0442\u0432\u044a\u0440\u0436\u0434\u0435\u043d\u0438\u0435 \u043e\u0442 R5:<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: Rcv DBD from 1.1.1.5 on Serial0\/1 seq 0x1795 opt 0x52 flag 0x0 len 32 mtu 1500 state EXCHANGE<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><strong><span style=\"font-size: 8pt\">|0x02|0x02|0x0020|<br \/>\n|0x01010105|<br \/>\n|0x00000000|<br \/>\n|Chcksum|0x0000|<br \/>\n|0x00000000|<br \/>\n|0x00000000|<br \/>\n|0x05DC|0x0000|01010010|0000|000|<br \/>\n|0x1795|<br \/>\n|LSA Headers|<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0421 \u0442\u043e\u0432\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0430 \u043d\u0430 DBD \u043e\u0431\u043c\u0435\u043d \u0442\u0440\u044f\u0431\u0432\u0430 \u0434\u0430 \u043f\u0440\u0438\u043a\u043b\u044e\u0447\u0438, \u0432\u0441\u0435\u043a\u0438 \u043e\u0442 \u0440\u0443\u0442\u0435\u0440\u0438\u0442\u0435 \u0434\u0430 \u0432\u043b\u0435\u0437\u0435 \u0432 \u0441\u044a\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043d\u0430 <strong><em>LOADING<\/em><\/strong> \u0438\u043b\u0438 <strong><em>FULL<\/em><\/strong>:<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: Exchange Done with 1.1.1.5 on Serial0\/1<br \/>\n1d16h: OSPF: Synchronized with 1.1.1.5 on Serial0\/1, state FULL<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0421\u043b\u0435\u0434\u0432\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u043d\u043e\u0442\u043e Syslog \u0441\u044a\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u0437\u0430 \u0432\u0434\u0438\u0433\u043d\u0430\u0442 \u0441\u044a\u0441\u0435\u0434:<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.5 on Serial0\/1 from LOADING to FULL, Loading Done<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u041a\u0430\u043a\u0442\u043e \u0438 \u0438\u0437\u043f\u0440\u0430\u0449\u0430\u043d\u0435 \u043d\u0430 <strong><em>Router LSA <\/em><\/strong>\u0437\u0430 \u043e\u0431\u043b\u0430\u0441\u0442 <strong><em>area 0<\/em><\/strong>:<\/span><\/p>\n<p><strong><span style=\"font-size: 8pt\">1d16h: OSPF: Build router LSA for area 0, router ID 1.1.1.254, seq 0x80000052<br \/>\nR1#<\/span><\/strong><span style=\"font-size: 8pt\" \/><\/p>\n<p><span style=\"font-size: 10pt; font-family: Tahoma\">\u0421 \u043a\u043e\u0435\u0442\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u044a\u0442 \u043f\u0440\u0438\u043a\u043b\u044e\u0447\u0432\u0430. <\/span>\n<\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 10pt; font-family: Tahoma\"> <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u041c\u0430\u043b\u044a\u043a \u043f\u0440\u0438\u043c\u0435\u0440 \u0437\u0430 OSPF adjacency building \u0438 \u043f\u043e-\u0441\u043f\u0435\u0446\u0438\u0430\u043b\u043d\u043e \u0437\u0430 Database Description \u043f\u0440\u043e\u0446\u0435\u0441\u0430. \u0418\u043c\u0430\u043c\u0435 \u0441\u0435\u0440\u0438\u0439\u043d\u0430 PPP \u0432\u0440\u044a\u0437\u043a\u0430 \u043c\/\u0443 \u0434\u0432\u0430 \u0440\u0443\u0442\u0435\u0440\u0430 &#8211; R5 \u0438 R1. \u0422\u043e\u043a\u0443-\u0449\u043e \u0441\u043c\u0435 \u0437\u0430\u0434\u0430\u043b\u0438 hello \u0438\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u043d\u0430 PPP \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441(serial 0\/1) \u043c\/\u0443 R1(Router ID: 1.1.1.254) \u0438 R5(Router ID: 1.1.1.5) \u043d\u0430 5 \u0441\u0435\u043a\u0443\u043d\u0434\u0438, \u043a\u043e\u0435\u0442\u043e \u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u043e \u043e\u0442 \u0441\u0442\u043e\u0439\u043d\u043e\u0441\u0442\u0442\u0430 \u043f\u043e \u043f\u043e\u0434\u0440\u0430\u0437\u0431\u0438\u0440\u0430\u043d\u0435&#8230; <a class=\"continue-reading-link\" href=\"https:\/\/blog.maka.biz\/?p=89\">\u0427\u0435\u0442\u0438 \u043f\u043e-\u043d\u0430\u0442\u0430\u0442\u044a\u043a ([rt_reading_time] \u043c\u0438\u043d)<\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_wp_applaud_exclude":false,"footnotes":""},"categories":[4,5],"tags":[],"class_list":["post-89","post","type-post","status-publish","format-standard","hentry","category-it","category-networking"],"_links":{"self":[{"href":"https:\/\/blog.maka.biz\/index.php?rest_route=\/wp\/v2\/posts\/89","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.maka.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.maka.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.maka.biz\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.maka.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=89"}],"version-history":[{"count":0,"href":"https:\/\/blog.maka.biz\/index.php?rest_route=\/wp\/v2\/posts\/89\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.maka.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=89"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.maka.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=89"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.maka.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=89"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}