[GTER] PTT-SP - Participantes prendendo rotas recebidas no ATM?

Rinaldo Vaz rinaldo at anid.com.br
Thu Aug 30 15:56:07 -03 2012


Lucas,

De acordo com a informação postada pelo Raul, esse BUG não foi corrigido já
que ele está usando a versão 5.19.

abs

Em 30 de agosto de 2012 15:25, Lucas Willian Bocchi
<lucas.bocchi at gmail.com>escreveu:

> Isso é bug implementado e documentado na versão 4.x do Mikrotik.
>
> Em 30 de agosto de 2012 15:11, Rinaldo Vaz <rinaldo at anid.com.br> escreveu:
> > Boa tarde à todos,
> >
> > Tenho percebido nos últimos meses comportamentos muito estranhos, onde
> > algumas redes simplesmente param de funcionar via PTT-SP, e tenho motivos
> > para acreditar que comportamentos anormais de alguns Mikrotiks estão
> sendo
> > a causa de alguns desses problemas onde redes param de funcionar via ATM
> do
> > PTT-SP
> >
> > Fiz hoje uma experiência anunciando para o ATM o prefixo *177.46.1.0/24*
> >
> > Primeiro chequei no LOOKING GLASS do PTT-SP que o prefixo 177.46.1.0/24não
> > existia na FIB de nenhum participante:
> >
> > lg.sp.ptt.br$ sh ip bgp 177.46.1.0/24
> > *% Network not in table*
> > lg.sp.ptt.br$
> >
> > Após liberar o novo prefixo nos meus filtros passamos a anuncia-lo no
> ATM:
> >
> > BGP routing table entry for *177.46.1.0/24*
> > Paths: (1 available, best #1, table Default-IP-Routing-Table)
> >   Advertised to non peer-group peers:
> > 187.16.216.252 *187.16.216.253 187.16.216.254*
> >   Local
> >     0.0.0.0 from 0.0.0.0 (201.20.36.146)
> >       Origin IGP, metric 0, localpref 100, weight 32768, valid, sourced,
> > local, best
> >       Last update: Thu Aug 30 14:10:19 2012
> >
> > Notem nos campos em negrito que estou anunciando 177.46.1.0/24 para LG
> e os
> > dois route-servers e consequentemente, todos os participantes que
> > estabelecem BGP com o LG passaram a informar conforme print abaixo:
> >
> > Consequentemente, esse é a visão do Looking Glass:
> > *
> > lg.sp.ptt.br$ sh ip bgp 177.46.1.0/24*
> > BGP routing table entry for 177.46.1.0/24
> > Paths: (83 available, best #83, table Default-IP-Routing-Table)
> >   Not advertised to any peer
> >   10954 28135
> >     187.16.216.108 from 187.16.216.28 (189.9.64.127)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:10 2012
> >
> >   53070 28135
> >     187.16.216.108 from 187.16.216.102 (187.86.223.254)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 53070:4000
> >       Last update: Thu Aug 30 13:17:10 2012
> >
> >   28288 28135
> >     187.16.216.108 from 187.16.216.124 (189.28.192.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:08 2012
> >
> >   10954 28135
> >     187.16.216.108 from 187.16.216.33 (192.168.10.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:08 2012
> >
> >   28140 28135
> >     187.16.216.108 from 187.16.216.193 (187.49.32.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:08 2012
> >
> >   262518 28135
> >     187.16.216.108 from 187.16.217.65 (177.67.116.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:07 2012
> >
> >   7048 28135
> >     187.16.216.108 from 187.16.217.37 (192.168.0.254)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:07 2012
> >
> >   28620 28135
> >     187.16.216.108 from 187.16.217.175 (201.55.136.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:06 2012
> >
> >   28272 28135
> >     187.16.216.108 from 187.16.217.58 (200.219.202.220)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:05 2012
> >
> >   10362 28135
> >     187.16.216.108 from 187.16.216.84 (200.218.20.193)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:05 2012
> >
> >   28280 28135
> >     187.16.216.108 from 187.16.216.148 (201.33.240.1)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28280:300
> >       Last update: Thu Aug 30 13:17:02 2012
> >
> >   28262 28135
> >     187.16.216.212 from 187.16.216.212 (187.17.32.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:02 2012
> >
> >   27693 28135
> >     187.16.216.108 from 187.16.217.86 (189.127.15.254)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:00 2012
> >
> >   53069 28135
> >     187.16.216.108 from 187.16.216.238 (187.86.192.5)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:59 2012
> >
> >   28208 28135
> >     187.16.216.108 from 187.16.217.34 (186.226.45.1)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28208:101
> >       Last update: Thu Aug 30 13:16:59 2012
> >
> >   53116 28135
> >     187.16.216.108 from 187.16.217.128 (187.110.1.18)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:58 2012
> >
> >   53116 28135
> >     187.16.216.108 from 187.16.217.127 (187.110.1.17)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:58 2012
> >
> >   27715 28135
> >     187.16.216.108 from 187.16.217.164 (186.202.44.2)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:56 2012
> >
> >   28275 28135
> >     187.16.216.108 from 187.16.216.27 (172.28.7.179)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:55 2012
> >
> >   262518 28135
> >     187.16.216.108 from 187.16.217.66 (177.67.112.253)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:55 2012
> >
> >   28287 28135
> >     187.16.216.108 from 187.16.216.169 (201.49.207.254)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28287:9055
> >       Last update: Thu Aug 30 13:16:54 2012
> >
> >   16736 28135
> >     187.16.216.108 from 187.16.216.130 (200.229.24.2)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:53 2012
> >
> >   28218 28135
> >     187.16.216.108 from 187.16.216.172 (189.124.0.32)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:52 2012
> >
> >   28143 28135
> >     187.16.217.19 from 187.16.217.19 (187.49.97.2)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:51 2012
> >
> >   28634 28135
> >     187.16.216.108 from 187.16.216.209 (201.62.64.252)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:51 2012
> >
> >   28173 28135
> >     187.16.216.108 from 187.16.217.4 (187.16.217.4)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:49 2012
> >
> >   28634 28135
> >     187.16.216.108 from 187.16.216.131 (201.62.64.254)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:45 2012
> >
> >   53144 28135
> >     187.16.216.133 from 187.16.216.133 (187.103.64.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:43 2012
> >
> >   53075 28135
> >     187.16.216.108 from 187.16.216.188 (187.94.16.255)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:43 2012
> >
> >   14840 28135
> >     187.16.216.108 from 187.16.216.219 (186.211.128.32)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 14840:10 14840:40 14840:7110
> >       Last update: Thu Aug 30 13:16:42 2012
> >
> >   53080 28135
> >     187.16.216.108 from 187.16.216.215 (187.95.0.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:41 2012
> >
> >   262757 28135
> >     187.16.216.108 from 187.16.217.104 (186.224.111.254)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:49 2012
> >
> >   28135
> >     187.16.216.108 from 187.16.216.253 (187.16.216.253)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:41 2012
> >
> >   53242 28135
> >     187.16.217.112 from 187.16.217.112 (177.21.0.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:57 2012
> >
> >   262828 28135
> >     187.16.216.108 from 187.16.217.93 (192.168.60.129)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:53 2012
> >
> >   262476 28135
> >     187.16.216.108 from 187.16.217.207 (187.16.217.207)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:58 2012
> >
> >   22548 28135
> >     187.16.217.17 from 187.16.217.17 (200.160.0.133)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   262855 28135
> >     187.16.217.31 from 187.16.217.31 (177.12.192.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:49 2012
> >
> >   28598 28135
> >     187.16.216.108 from 187.16.217.15 (176.52.253.50)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28598:100
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   53165 28135
> >     187.16.216.108 from 187.16.217.173 (186.216.240.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:59 2012
> >
> >   14026 28135
> >     187.16.216.108 from 187.16.217.166 (187.16.217.166)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   262354 28135
> >     187.16.216.108 from 187.16.217.129 (177.125.211.254)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   28654 28135
> >     187.16.217.116 from 187.16.217.116 (201.77.128.65)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28654:103
> >       Last update: Thu Aug 30 13:16:46 2012
> >
> >   28169 28135
> >     187.16.216.108 from 187.16.217.131 (187.63.160.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:41 2012
> >
> >   11835 28135
> >     187.16.216.108 from 187.16.216.72 (200.192.248.2)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 11835:1310
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   28343 28135
> >     187.16.217.32 from 187.16.217.32 (189.45.192.65)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   28126 28135
> >     187.16.216.108 from 187.16.217.23 (187.19.145.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   8055 28135
> >     187.16.216.108 from 187.16.216.6 (200.160.48.10)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 8055:64548 8055:65533
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   28143 28135
> >     187.16.217.18 from 187.16.217.18 (187.49.97.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   28168 28135
> >     187.16.216.184 from 187.16.216.184 (187.63.239.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:41 2012
> >
> >   28580 28135
> >     187.16.216.108 from 187.16.216.76 (200.187.80.244)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   28647 28135
> >     187.16.216.108 from 187.16.216.114 (201.76.224.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   28272 28135
> >     187.16.216.108 from 187.16.217.57 (200.219.202.219)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   262561 28135
> >     187.16.216.108 from 187.16.217.152 (177.71.64.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:57 2012
> >
> >   22431 28135
> >     187.16.216.108 from 187.16.216.26 (201.71.59.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:49 2012
> >
> >   28135
> >     187.16.216.108 from 187.16.216.254 (187.16.216.254)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   262471 28135
> >     187.16.216.108 from 187.16.216.53 (177.53.155.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   262659 28135
> >     187.16.216.108 from 187.16.216.183 (187.85.0.254)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   28289 28135
> >     187.16.216.108 from 187.16.216.104 (189.36.224.1)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28289:65506
> >       Last update: Thu Aug 30 13:16:39 2012
> >
> >   28165 28135
> >     187.16.216.108 from 187.16.217.75 (187.62.208.5)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   53018 28135
> >     187.16.216.108 from 187.16.216.200 (177.72.128.249)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:54 2012
> >
> >   262420 28135
> >     187.16.216.108 from 187.16.217.11 (186.219.96.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:17:09 2012
> >
> >   28263 28135
> >     187.16.216.108 from 187.16.217.156 (187.16.217.156)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:38 2012
> >
> >   28328 28135
> >     187.16.216.108 from 187.16.217.141 (189.14.223.6)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:38 2012
> >
> >   14026 28135
> >     187.16.216.108 from 187.16.216.56 (187.16.216.56)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:47 2012
> >
> >   262728 28135
> >     187.16.216.108 from 187.16.217.92 (186.192.100.29)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:37 2012
> >
> >   53131 28135
> >     187.16.217.158 from 187.16.217.158 (187.121.192.5)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 53131:65502
> >       Last update: Thu Aug 30 13:16:37 2012
> >
> >   53102 28135
> >     187.16.216.108 from 187.16.216.113 (187.103.160.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:36 2012
> >
> >   28238 28347 28135
> >     189.51.32.1 from 187.16.217.69 (186.216.224.1)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28347:1000
> >       Last update: Thu Aug 30 13:16:36 2012
> >
> >   28186 28135
> >     187.16.216.108 from 187.16.216.160 (189.89.130.255)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28186:20
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   1916 28135
> >     187.16.216.108 from 187.16.216.4 (200.143.254.62)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 1916:1250
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   52869 28135
> >     187.16.217.46 from 187.16.217.46 (177.128.64.0)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   1251 28135
> >     187.16.216.189 from 187.16.216.189 (200.136.37.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:38 2012
> >
> >   53184 28135
> >     187.16.216.108 from 187.16.217.162 (186.232.48.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   53104 28135
> >     187.16.216.108 from 187.16.217.192 (187.108.64.10)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   262485 28135
> >     187.16.216.108 from 187.16.217.174 (177.66.0.25)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   28571 28135
> >     187.16.216.108 from 187.16.216.20 (143.107.255.15)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   53224 28135
> >     187.16.217.91 from 187.16.217.91 (186.251.112.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   22689 28135
> >     187.16.216.108 from 187.16.216.118 (200.155.33.4)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 22689:1111
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   28124 28135
> >     187.16.216.108 from 187.16.217.72 (187.19.14.253)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28124:1001
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   53119 28135
> >     187.16.216.108 from 187.16.216.10 (200.192.108.28)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   262750 28135
> >     187.16.216.108 from 187.16.217.14 (10.255.254.2)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:34 2012
> >
> >   28135
> >     187.16.216.108 from 187.16.216.108 (201.20.36.146)
> >       Origin IGP, metric 0, localpref 100, valid, external, best
> >       Last update: Thu Aug 30 13:06:01 2012
> >
> >
> > Até aí tudo praticamente normal, exceto por alguns "next-hops" que estão
> > diferentes do meu IP (.108), mas isso provavelmente se dá que estão
> > utilizando uma configuração equivalente ao "next-hop-self"
> >
> >
> > Agora, removo esse anúncio do ATM:
> > Percebam no meu debug que meu router "pediu educadamente" para os
> > route-servers removerem essa rede:
> >
> > *2012/08/30 14:33:39 BGP: 187.16.216.253 send UPDATE 177.46.1.0/24 --
> > unreachable*
> >
> >
> >
> > Para reforçar, esse comando mostra que esse prefixo não se encontra mais
> > NEM MESMO NA MINHA FIB:
> > *BGPD-ANID-ALOG-SP# sh ip bgp 177.46.1.0/24*
> > % Network not in table
> > BGPD-ANID-ALOG-SP#
> >
> > 8 minutos após ter notificado aos route-servers que essa rede deveria ter
> > sido removida, eis o resultado da mesma consulta no Looking Glass:
> >
> > *lg.sp.ptt.br$ sh ip bgp 177.46.1.0/24*
> > BGP routing table entry for 177.46.1.0/24
> > Paths: (14 available, best #14, table Default-IP-Routing-Table)
> >   Not advertised to any peer
> >   28263 28135
> >     187.16.216.108 from 187.16.217.156 (187.16.217.156)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:34:40 2012
> >
> >   262757 28135
> >     187.16.216.108 from 187.16.217.104 (186.224.111.254)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:49 2012
> >
> >   262828 28135
> >     187.16.216.108 from 187.16.217.93 (192.168.60.129)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:53 2012
> >
> >   262855 28135
> >     187.16.217.31 from 187.16.217.31 (177.12.192.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:49 2012
> >
> >   262471 28135
> >     187.16.216.108 from 187.16.216.53 (177.53.155.1)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:40 2012
> >
> >   28289 28135
> >     187.16.216.108 from 187.16.216.104 (189.36.224.1)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28289:65506
> >       Last update: Thu Aug 30 13:16:39 2012
> >
> >   262728 28135
> >     187.16.216.108 from 187.16.217.92 (186.192.100.29)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:37 2012
> >
> >   53131 28135
> >     187.16.217.158 from 187.16.217.158 (187.121.192.5)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 53131:65502
> >       Last update: Thu Aug 30 13:16:37 2012
> >
> >   28186 28135
> >     187.16.216.108 from 187.16.216.160 (189.89.130.255)
> >       Origin IGP, localpref 100, valid, external
> >       Community: 28186:20
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   52869 28135
> >     187.16.217.46 from 187.16.217.46 (177.128.64.0)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   53104 28135
> >     187.16.216.108 from 187.16.217.192 (187.108.64.10)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   262485 28135
> >     187.16.216.108 from 187.16.217.174 (177.66.0.25)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   53119 28135
> >     187.16.216.108 from 187.16.216.10 (200.192.108.28)
> >       Origin IGP, localpref 100, valid, external
> >       Last update: Thu Aug 30 13:16:35 2012
> >
> >   262750 28135
> >     187.16.216.108 from 187.16.217.14 (10.255.254.2)
> >       Origin IGP, localpref 100, valid, external, best
> >       Last update: Thu Aug 30 13:16:34 2012
> >
> > -Ainda existem 14 roteadores que "acreditam" que *177.46.1.0/24*continua
> > acessível via *187.16.216.108(ANID)*
> > -Após 13 minutos os mesmos 14 routers continuavam do mesmo jeito.
> > -Após mais de meia hora esses routers continuam com a rota "presa"
> >
> > Analisando o MAC, posso afirmar com precisão que desses 14 routeadores, 4
> > são RouterBoards, embora os outros MAC's sejam aparentemente de placas de
> > Rede Intel, HP, e que outros eu não consegui identificar o fabricante.
> > Ou seja, tenho motivos para acreditar que todos esses 14 routers estão
> > rodando o RouterOS da Mikrotik devido ao comportamento típico de "prender
> > rotas"
> >
> > 187.16.216.10    *00:0C:42*:43:77:6F vlan10-pttsp
> > 187.16.217.192  *00:0C:42*:40:95:8C vlan10-pttsp
> > 187.16.216.104  *00:0C:42*:4A:72:7C vlan10-pttsp
> > 187.16.217.93   *00:0C:42*:BC:5D:22 vlan10-pttsp
> >
> >
> > E desses 4, o host 187.16.216.104 (AS262757) está até o dia de hoje
> > anunciando os BOGONS recebidos da ANID, que já foram corrigidos a vários
> > dias, e mesmo assim, o anúncio de BOGONS permanece.
> > Felizmente, os BOGONS não vai deixar absolutamente nenhuma rede, ou site
> > indisponível. O que é realmente preocupante, é que esses 14 AS's
> > participantes estão aparentemente "prendendo rotas", e isso na prática,
> > significa que qualquer um que faça anúncios para o ATM, e posteriormente
> > decida deixar de anunciar, esses 14 AS's (e todos os AS's e clientes
> atrás
> > deles) deixarão de se comunicar com as redes que foram removidas.
> >
> > Peço ao responsável pelo *AS262757* que efetue um route-refresh, ou se
> > possível um reboot em sua RouterBorard
> >
> > Alguém aqui é responsável por um desses 14 AS's poderia confirmar se está
> > utilizando RouterOS Mikrotik e em qual versão?
> >
> > 28263
> >
> ,262757,262828,262855,262471,28289,262728,53131,28186,52869,53104,262485,53119,262750
> >
> >
> >
> > Abs
> >
> >
> > --
> >
> >
> > Rinaldo Vaz
> > Chefe de operações do NOC
> > Associação Nacional para Inclusão Digital
> > Tim - 083 99975736
> > INOC - 28135*100
> > --
> > gter list    https://eng.registro.br/mailman/listinfo/gter
> --
> gter list    https://eng.registro.br/mailman/listinfo/gter
>



-- 


Rinaldo Vaz
Chefe de operações do NOC
Associação Nacional para Inclusão Digital
Tim - 083 99975736
INOC - 28135*100



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