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

Fri Aug 31 12:08:56 -03 2012

Houve alguma versão em que você tenha notado melhora desse comportamento ?

Rubens

2012/8/31 Gustavo Santos <gustkiller at gmail.com>:
> Esta com cara do velho BUG do Mikrotik de stuck routes.. Não adianta dar
> refresh em tabela... Só resolve dando boot ou quando se tem sorte,
> desativando e reativando a interface que está o destino da rota presa..
>
> Gustavo Santos
> Analista de Redes
> CCNA , MTCNA , MTCRE, MTCINE, JUNCIA-ER
>
>
>
> Em 30 de agosto de 2012 18:14, Rinaldo Vaz <rinaldo at anid.com.br> escreveu:
>
>> Provavelmente sim, pelo comportamento que ele citou dos "route-refreshs"
>> não funcionarem.(só com o reboot)
>>
>> Em 30 de agosto de 2012 18:00, Lucas Willian Bocchi
>> <lucas.bocchi at gmail.com>escreveu:
>>
>> > Será que pode ter algo a ver com esse relato?
>> >
>> > http://forum.mikrotik.com/viewtopic.php?f=2&t=57690
>> >
>> > Em 30 de agosto de 2012 16:47, Rinaldo Vaz <rinaldo at anid.com.br>
>> escreveu:
>> > > Rinaldo, segue!
>> > >
>> > > [xxxxxxxxx at Router Borda] > /ip route print detail where
>> > > dst-addres=177.46.1.0/24
>> > > Flags: X - disabled, A - active, D - dynamic, C - connect, S - static,
>> r
>> > -
>> > > rip, b - bgp, o - ospf, m - mme, B - blackhole, U - unreachable, P -
>> > > prohibit
>> > > [xxxxxxxxxxxx at Router Borda] >
>> > >
>> > > Raul,
>> > > Obrigado pela informação. Já que essa rota não está mais disponível em
>> > sua
>> > > FIB, o seu Mikrotik deveria informar para todos os seus BGPs (internos
>> e
>> > > externos) que essa rota deve ser removida. Mas não é o que está
>> > acontecendo
>> > > já que o Looking Glass continua recebendo de você...
>> > >
>> > > *lg.sp.ptt.br$ sh ip bgp 177.46.1.0/24*
>> > > BGP routing table entry for 177.46.1.0/24
>> > > Paths: (11 available, best #11, table Default-IP-Routing-Table)
>> > >   Not advertised to any peer
>> > > *  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 16:22:13 2012
>> > >
>> > > Se você tiver outras sessões BGP além do LG, provavelmente esses caras
>> > > continuam recebendo a rota para 177.46.1.0/24
>> > >
>> > > ######################
>> > >
>> > > Há muito tempo que notamos o referido problema ocorrendo em nosso iBGP
>> > > e temos trabalhado para resolver o caso.
>> > >
>> > > Naturalmente leva tempo substituir os roteadores envolvidos por
>> > > produtos mais competentes, mas no momento creio que um refresh
>> > > periódico das sessões de BGP é a uma solução paleativa necessária.
>> > >
>> > > A propósito, o prefixo em questão não foi encontrado através do
>> > > mencionado comando do RouterOS. Mesmo assim, periodicamente refazemos
>> > > nossas sessões de iBGP para dar conta de reclamações internas do AS.
>> > > Agora receio que mesmo as sessões externas precisam ser refeitas
>> > > periodicamente.
>> > >
>> > > Ricardo,
>> > >
>> > > Tive problemas relativamente sério quando ainda estava usando mikrotik.
>> > Meu
>> > > transporte até Campina Grande caiu juntamente com a sessão IBGP. O site
>> > da
>> > > ANID fica hospedado no meu POP de Campina Grande. Após a queda do
>> link, o
>> > > meu roteador Mikrotik de borda com PTT-SP teve essa rota removida de
>> sua
>> > > FIB, porém, "esqueceu" de informar aos route-servers que essa rota não
>> > > estava mais acessíveis.
>> > >
>> > > A consequência dessa falha foi que todos os participantes do ATM
>> > > simplesmente não conseguiam mais abrir o site da ANID. E o pior de tudo
>> > foi
>> > > que depois de muitas horas só fiquei sabendo quando o Rodrigo da
>> 1telecom
>> > > me ligou avisando.
>> > >
>> > > Depois disso decidi que era hora de deixar o Mikrotik apenas como
>> backup
>> > no
>> > > ATM já que participo em 2 PIXes. (alog e tivit)
>> > >
>> > > abs
>> > >
>> > >
>> > > Em 30 de agosto de 2012 16:10, Raul Olive <raul at novonet.com.br>
>> > escreveu:
>> > >
>> > >> Rinaldo, segue!
>> > >>
>> > >> [xxxxxxxxx at Router Borda] > /ip route print detail where
>> > >> dst-addres=177.46.1.0/24
>> > >> Flags: X - disabled, A - active, D - dynamic, C - connect, S - static,
>> > r -
>> > >> rip, b - bgp, o - ospf, m - mme, B - blackhole, U - unreachable, P -
>> > >> prohibit
>> > >> [xxxxxxxxxxxx at Router Borda] >
>> > >>
>> > >> --
>> > >>
>> > >> Atenciosamente,
>> > >> Raul Olive Eler
>> > >> raul at novonet.com.br
>> > >> Gerente de Tecnologia e Projetos
>> > >>
>> > >>
>> > >>
>> > >> -----Mensagem original-----
>> > >> De: gter [mailto:gter-bounces at eng.registro.br] Em nome de Rinaldo Vaz
>> > >> Enviada em: quinta-feira, 30 de agosto de 2012 15:48
>> > >> Para: Grupo de Trabalho de Engenharia e Operacao de Redes
>> > >> Assunto: Re: [GTER] RES: PTT-SP - Participantes prendendo rotas
>> > recebidas
>> > >> no
>> > >> ATM?
>> > >>
>> > >> Boa tarde Raul,
>> > >>
>> > >> Acredito que essa rota ainda esteja sendo considerada "acessível"
>> para o
>> > >> seu
>> > >> Mikrotik
>> > >>
>> > >> Por favor, qual o resultado do comando:
>> > >>
>> > >> /ip route print detail where dst-addres=177.46.1.0/24
>> > >>
>> > >> ?
>> > >>
>> > >> Abs
>> > >>
>> > >>
>> > >>
>> > >> Em 30 de agosto de 2012 15:38, Raul Olive <raul at novonet.com.br>
>> > escreveu:
>> > >>
>> > >> > Rinaldo, boa tarde.
>> > >> >
>> > >> > AS262828 é nosso, usamos sim RB com mikrotik 5.19
>> > >> >
>> > >> > --
>> > >> >
>> > >> > Atenciosamente,
>> > >> > Raul Olive Eler
>> > >> > raul at novonet.com.br
>> > >> > Gerente de Tecnologia e Projetos
>> > >> >
>> > >> >
>> > >> >
>> > >> > -----Mensagem original-----
>> > >> > De: gter [mailto:gter-bounces at eng.registro.br] Em nome de Rinaldo
>> Vaz
>> > >> > Enviada em: quinta-feira, 30 de agosto de 2012 15:11
>> > >> > Para: Grupo de Trabalho de Engenharia e Operacao de Redes; Percival
>> > >> > ANID
>> > >> > Assunto: [GTER] PTT-SP - Participantes prendendo rotas recebidas no
>> > ATM?
>> > >> >
>> > >> > 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 <http://177.46.1.0/24n%C3%A3o> <
>> http://177.46.1.0/24n%C3%A3o> <
>> > http://177.46.1.0/24n%C3%A3o> 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
>> > >> >
>> > >> >
>> ,262757,262828,262855,262471,28289,262728,53131,28186,52869,53104,2624
>> > >> > 85,531
>> > >> > 19,262750
>> > >> >
>> > >> >
>> > >> >
>> > >> > 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
>> > >> --
>> > >> 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
>> > > --
>> > > 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
>> --
>> gter list    https://eng.registro.br/mailman/listinfo/gter
>>
> --
> gter list    https://eng.registro.br/mailman/listinfo/gter