[GTER] Re: O que pode estar ocasionando isso? (BGP4)

[Marcus Grando]

Engraçado... acho que a lista tem ouvidos...

Ficou pelo menos duas semanas assim, agora fui olhar e está certo... 
Juro que não entendi essa...

telnet route-server.wcg.net

route-server>show ip route 200.163.207.253
Routing entry for 200.163.192.0/18, supernet
   Known via "bgp 7911", distance 200, metric 30
   Tag 8167, type internal
   Last update from 200.163.207.253 00:00:51 ago
   Routing Descriptor Blocks:
   * 200.163.207.253, from 64.200.103.9, 00:00:51 ago
       Route metric is 30, traffic share count is 1
       AS Hops 1

route-server>sh ip bgp 200.203.128.0/17
BGP routing table entry for 200.203.128.0/17, version 2768918424
Paths: (7 available, best #1, table Default-IP-Routing-Table)
Flag: 0x208
   Not advertised to any peer
   8167, (received & used)
     200.163.207.253 from 64.200.103.9 (64.200.103.9)
       Origin IGP, metric 0, localpref 120, valid, internal, best
       Community: 7911:777 7911:7707
       Originator: 64.200.87.2, Cluster list: 64.200.103.9, 
64.200.103.242, 64.200.87.3
   8167
     200.163.207.253 from 64.200.135.4 (64.200.135.4)
       Origin IGP, localpref 100, valid, internal
       Community: 7911:777 7911:7707
       Originator: 64.200.87.2, Cluster list: 64.200.135.4, 
64.200.135.8, 64.200.87.3
   8167
     200.163.207.253 from 64.200.127.10 (64.200.127.10)
       Origin IGP, localpref 100, valid, internal
       Community: 7911:777 7911:7707
       Originator: 64.200.87.2, Cluster list: 64.200.127.10, 
64.200.127.3, 64.200.87.3
   8167
     200.163.207.253 from 64.200.110.5 (64.200.110.5)
       Origin IGP, localpref 100, valid, internal
       Community: 7911:777 7911:7707
       Originator: 64.200.87.2, Cluster list: 64.200.110.5, 
64.200.110.3, 64.200.87.3
   8167
     200.163.207.253 from 64.200.141.6 (64.200.141.6)
       Origin IGP, localpref 100, valid, internal
       Community: 7911:777 7911:7707
       Originator: 64.200.87.2, Cluster list: 64.200.141.6, 
64.200.143.3, 64.200.87.3
   8167
     200.163.207.253 from 64.200.151.7 (64.200.151.7)
       Origin IGP, localpref 100, valid, internal
       Community: 7911:777 7911:7707
       Originator: 64.200.87.2, Cluster list: 64.200.151.7, 
64.200.151.1, 64.200.87.3
   8167
     200.163.207.253 from 64.200.103.8 (64.200.103.8)
       Origin IGP, localpref 100, valid, internal
       Community: 7911:777 7911:7707
       Originator: 64.200.87.2, Cluster list: 64.200.103.8, 
64.200.103.242, 64.200.87.3

Eduardo Ascenco Reis wrote:
> Ola Marcus,
> pelas informacoes abaixo, nao deve haver rota para o next hop dos anuncios.
> Envie a saida do comando show ip route 200.163.207.253 para verificarmos.
> Abracos,
> Eduardo Ascenco Reis.
> Marcus Grando writes:
> 
>> Pessoal,
>> O que pode estar ocasionando isso: "200.163.207.253 (inaccessible)"? 
>> Sem anuncio? filtro? erro de conf? alguem tem uma luz?
>> Abrac,os
>> route-server>sh ip bgp 200.203.128.0/17
>> BGP routing table entry for 200.203.128.0/17, version 2766045299
>> Paths: (7 available, no best path)
>> Flag: 0x208
>>   Not advertised to any peer
>>   8167, (received & used)
>>     200.163.207.253 (inaccessible) from 64.200.103.9 (64.200.103.9)
>>       Origin IGP, metric 0, localpref 120, valid, internal
>>       Community: 7911:777 7911:7707
>>       Originator: 64.200.87.2, Cluster list: 64.200.103.9, 
>> 64.200.103.242, 
> 
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-- 
Marcus Grando
marcus(at)sbh.eng.br