ot, configuring ipv6 routing to tap device

Gregory Nowak greg at romuald.net.eu.org
Mon May 18 02:49:39 EDT 2009

Hash: SHA1

On Mon, May 18, 2009 at 04:58:15AM +0000, Jason White wrote:
> Do you have tap0 configured in your /etc/radvd.conf file? If you want to send
> it out a router advertisement, you'll need to have radvd running and
> radvd.conf configured.

No, I actually don't want to have the vm configured via router
advertisements. However, I did want to see if having the eth0 card in
the vm be auto configured would make a difference, so I did add tap0
to radvd.conf, and restarted radvd. The vm did get a ipv6 address from
radvd, but that still didn't solve the routing problems, which was
actually what I expected, but I did hope I might be pleasantly surprised.

> The ip command is the one to use if you need to set up static routes - see the

The ipv6 howto doesn't mention an if command anywhere as far as I
can tell, it does mention the ip command quite frequently though (smile).

> You might also need to enable IPv6 forwarding in your kernel on
> the host system.

Yes, that's been done, and I forgot to mention it in my initial post.

I think I actually figured out a solution though by bridging the eth1
interface for my lan to the vm's tap0 interface on the host. I'll make
the config changes tomorrow, and will report back if it works, though
I think chances are very high that it's going to. We'll see I guess.

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