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I have a xen domU that keeps forgetting the routes learned after interface startup; for a while everything is ok but eventually the two default routes (a couple link-local addresses of the upstream routers) expire and the machine drops off IPv6 based networks.

I'm puzzled as to what could the problem be; obviously the router is answering the first discovery, but why is is failing to refresh or re-discover?

Edoardo

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What are you using for routing? – Michael Hampton Sep 4 '12 at 17:51
I don't know, the router equipment is from the ISP, we're just using it. – Eddy Sep 5 '12 at 12:27

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