[MASOCH-L] rt6_redirect: source isn't a valid nexthop for redirect target

[Alexandre J. Correa (Onda)]

2.6.32-431.el6.x86_64 (CentOS 6)

On 30/01/2015 11:19, Lucas Willian Bocchi wrote:
> Qual que é a versão do kernel meu nobre?
>
> Em 30 de janeiro de 2015 11:15, Alexandre J. Correa (Onda)
> <alexandre at onda.net.br> escreveu:
>> # ip -6 addr show
>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436
>>      inet6 ::1/128 scope host
>>         valid_lft forever preferred_lft forever
>> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
>>      inet6 AAAA:BBBB::20/64 scope global
>>         valid_lft forever preferred_lft forever
>>      inet6 fe80::20c:29ff:fe9f:2647/64 scope link
>>         valid_lft forever preferred_lft forever
>>
>> # ip -6 route show
>> unreachable ::/96 dev lo  metric 1024  error -101 mtu 16436 advmss 16376
>> hoplimit 4294967295
>> unreachable ::ffff:0.0.0.0/96 dev lo  metric 1024  error -101 mtu 16436
>> advmss 16376 hoplimit 4294967295
>> unreachable 2002:a00::/24 dev lo  metric 1024  error -101 mtu 16436 advmss
>> 16376 hoplimit 4294967295
>> unreachable 2002:7f00::/24 dev lo  metric 1024  error -101 mtu 16436 advmss
>> 16376 hoplimit 4294967295
>> unreachable 2002:a9fe::/32 dev lo  metric 1024  error -101 mtu 16436 advmss
>> 16376 hoplimit 4294967295
>> unreachable 2002:ac10::/28 dev lo  metric 1024  error -101 mtu 16436 advmss
>> 16376 hoplimit 4294967295
>> unreachable 2002:c0a8::/32 dev lo  metric 1024  error -101 mtu 16436 advmss
>> 16376 hoplimit 4294967295
>> unreachable 2002:e000::/19 dev lo  metric 1024  error -101 mtu 16436 advmss
>> 16376 hoplimit 4294967295
>> unreachable 3ffe:ffff::/32 dev lo  metric 1024  error -101 mtu 16436 advmss
>> 16376 hoplimit 4294967295
>> fe80::/64 dev eth0  proto kernel  metric 256  mtu 1500 advmss 1440 hoplimit
>> 4294967295
>> default via AAAA:BBBB::1 dev eth0  metric 1  mtu 1500 advmss 1440 hoplimit
>> 4294967295
>>
>>
>> Não achei nada errado....
>>
>>
>> e o tal log continua fazendo a 'paina' 'vuá' ...
>>
>> Das 02:30 até agora:
>> # dmesg | grep rt6_redirect | wc -l
>> 87941
>>
>>
>> No caso, esta máquina só roda um serviço (dns) ipv4 e ipv6 ...
>>
>>
>> On 29/01/2015 09:47, Henrique de Moraes Holschuh wrote:
>>> On Thu, Jan 29, 2015, at 02:19, Alexandre J. Correa (Onda) wrote:
>>>> Estou tendo um 'flood' :
>>>>
>>>> rt6_redirect: source isn't a valid nexthop for redirect target
>>> ip -6 addr show
>>> ip -6 route show
>>>
>>> Tenha certeza de não ter mascaras que não sejam /128 em endereços de
>>> interface, rotas com mascara errada (bit setado fora da mascara, como
>>> por exemplo ::1/126, ou qualquer coisa /0 que não seja ::/0), ou
>>> endereços globais em rotas/regras que pedem um endereço link-local, ou
>>> interfaces faltando o endereço link-local...
>>>
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