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? > > 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 > ! > > > > -- > С уважением, Владислав Колесник > VRUA-RIPE > VRUA-UANIC > VRUA-RIPN > > mailto:vector...@ukr.net >
