IPv6 not responding on some aliases (recent 8-stable)
Bjoern A. Zeeb
bzeeb-lists at lists.zabbadoz.net
Fri Dec 23 09:17:12 UTC 2011
On 22. Dec 2011, at 20:39 , Marcin Cieslak wrote:
>>> Bjoern A. Zeeb <bzeeb-lists at lists.zabbadoz.net> wrote:
>>> I initially thought it's a transport layer issue, since previously (before
>>> I changed configuration) 30%-50% SSH connection attempts succeeded
>>> (but prefix was wrong on the "primary" IPv6 address :1000).
>>> Now I get no packets on receiving side at all for those "broken" IPv6 addresses.
>>
>> Talk to ywhomever is providing in front of you to
>> 1) either relax nd6 table limits or
>> 2) to route a /64 to your host to only have 1 entry in the neighbour table.
>>
>> That's most likely the problem given my crystal ball and experience.
>
> Thank you for insightful analysis!
> Seems like this provider has some significant IPv6 takeup, which is
> good news - sorry for hassle, but problems started after upgrade.
>
> I'll talk to my upstream then, thanks!
Please let us know of the results, especially if my crystal ball was wrong.
/bz
--
Bjoern A. Zeeb You have to have visions!
Stop bit received. Insert coin for new address family.
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