Здравствуйте, Slawa. Вы писали 19 октября 2012 г., 9:58:39:
> On Fri, Oct 19, 2012 at 09:29:27AM +0300, Vladyslav Kolesnyk wrote: >> >> День добрый сообществу FreeBSD. >> >> Вопрос к тем кто работает с BGP. >> Есть роутер на кваге с поднятыми двумя каналами по которым получаю Full View >> от двух провайдеров. >> >> Сегодня обнаружил одну странность: >> анонс от провайдера получаю: >> 74.217.240.0/20 194.44.208.129 0 3255 3549 10913 >> 65554 10913 10913 10913 10913 10913 10913 10913 63354 i >> >> а вот при просмотре >> sh ip bgp 74.217.240.0/20 >> % Network not in table >> >> сети нет в таблице. >> >> может кто-то что-то подсказать из-за чего такое происходит >> Просьба сильно не пинать :) > разумеется наличие маршрута до 194.44.208.129 проверенно? BGP router identifier 195.191.39.41, local AS number 50325 RIB entries 796531, using 49 MiB of memory Peers 4, using 10096 bytes of memory Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 194.44.208.129 4 3255 83692 140 0 0 0 01:07:45 422303 195.22.112.241 4 24893 79924 71 0 0 0 01:07:50 430780 сессии подняты с провайдерами >> >> настройки кваги: >> router bgp 50325 >> bgp router-id 195.191.39.41 >> bgp log-neighbor-changes >> bgp deterministic-med >> network 195.191.38.0/23 >> redistribute connected >> neighbor 194.44.208.129 remote-as 3255 >> neighbor 194.44.208.129 description UARNET >> neighbor 194.44.208.129 next-hop-self >> neighbor 194.44.208.129 soft-reconfiguration inbound >> neighbor 194.44.208.129 route-map map-AS3255-in in >> neighbor 194.44.208.129 route-map map-AS3255-out out >> neighbor 195.22.112.241 remote-as 24893 >> neighbor 195.22.112.241 description POLYNET >> neighbor 195.22.112.241 next-hop-self >> neighbor 195.22.112.241 soft-reconfiguration inbound >> neighbor 195.22.112.241 route-map map-AS24893-in in >> neighbor 195.22.112.241 route-map map-AS24893-out out >> >> ip prefix-list LIST-ASV seq 5 permit 195.191.38.0/23 >> ip prefix-list LIST-ASV-NETS seq 5 permit 195.191.38.0/23 le 32 >> ip prefix-list bogons description bogus nets >> ip prefix-list bogons seq 15 permit 0.0.0.0/8 le 32 >> ip prefix-list bogons seq 20 permit 127.0.0.0/8 le 32 >> ip prefix-list bogons seq 25 permit 192.0.2.0/24 le 32 >> ip prefix-list bogons seq 30 permit 10.0.0.0/8 le 32 >> ip prefix-list bogons seq 35 permit 172.16.0.0/12 le 32 >> ip prefix-list bogons seq 40 permit 192.168.0.0/16 le 32 >> ip prefix-list bogons seq 45 permit 169.254.0.0/16 le 32 >> ip prefix-list bogons seq 50 permit 192.42.172.0/24 le 32 >> ip prefix-list bogons seq 55 permit 198.18.0.0/15 le 32 >> ip prefix-list bogons seq 60 permit 192.88.99.0/24 le 32 >> ip prefix-list bogons seq 65 permit 224.0.0.0/4 le 32 >> ip prefix-list bogons seq 70 permit 240.0.0.0/4 le 32 >> ip prefix-list default description default route >> ip prefix-list default seq 10 permit 0.0.0.0/0 >> ! >> ip as-path access-list 1 permit _6451[2-9]_ >> ip as-path access-list 1 permit _645[2-9][0-9]_ >> ip as-path access-list 1 permit _64[6-9][0-9][0-9]_ >> ip as-path access-list 1 permit _65[0-9][0-9][0-9]_ >> ip as-path access-list AS-ASV permit ^$ >> ! >> route-map map-AS24893-in deny 100 >> description -- filter private ASs >> match as-path 1 >> ! >> route-map map-AS24893-in deny 110 >> description -- -- filter bogons >> match ip address prefix-list bogons >> ! >> route-map map-AS24893-in deny 120 >> description -- -- filter default >> match ip address prefix-list default >> ! >> route-map map-AS24893-in permit 200 >> description -- permit any else, set default loc-pref, set community >> set community 50325:24893 >> set local-preference 300 >> ! >> route-map map-AS24893-out permit 100 >> description -- permit our prefixes >> match as-path AS-ASV >> match ip address prefix-list LIST-ASV >> set as-path prepend 50325 >> set metric 100 >> ! >> route-map map-AS3255-in deny 100 >> description -- filter private ASs >> match as-path 1 >> ! >> route-map map-AS3255-in deny 110 >> description -- -- filter bogons >> match ip address prefix-list bogons >> ! >> route-map map-AS3255-in deny 120 >> description -- -- filter default >> match ip address prefix-list default >> ! >> route-map map-AS3255-in permit 200 >> description -- permit any else, set default loc-pref, set community >> set community 50325:3255 >> set local-preference 300 >> ! >> route-map map-AS3255-out permit 100 >> description -- permit our prefixes >> match as-path AS-ASV >> match ip address prefix-list LIST-ASV >> set as-path prepend 50325 50325 50325 50325 >> set metric 100 >> !
