[Gllug] Oddity in IPv6 routing
john at sinodun.org.uk
Wed Mar 26 08:31:13 UTC 2008
Robert McKay wrote:
> On Mon, Mar 24, 2008 at 11:14 AM, John Winters
>> IPv4, but I don't know what the corresponding mechanism is in IPv6. Can
>> anyone offer any suggestions of where to look.
> Do you have a route back to your internal IPv6 network from knight?
> (This wouldn't necessarily be the case if knight had a tunnel address
Yes, I did.
The problem - as far as I can tell - was caused by knight also having an
implicit route to the same set of addresses down the 6in4 tunnel. At
times it was getting confused about which to use. I sub-netted the
address range for the tunnel and that seems to have cured the problem.
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