Re: IPv6 GRE tunnel

Hi Bill,


On Wed, 2011-03-09 at 15:48 -0500, Bill Cerveny wrote:
> I would like to encapsulate IPv6 packets within an IPv6 GRE tunnel (ie
> on IPv6 transport). I can do this with a Cisco router, but the "ip"
> command does not support GRE with IPv6. Is the capability to create an
> IPv6 GRE planned feature of the "ip" command?  If not, is there anything
> else with Linux that supports creation of GRE tunnels on IPv6 transport?
> 
> Thanks,
> 
> Bill Cerveny
> 
> /sbin/ip -6 tunnel help
> Usage: ip -f inet6 tunnel { add | change | del | show } [ NAME ]
>           [ mode { ip6ip6 | ipip6 | any } ]


I guess what you're searching for is the "ip6ip6" tunnel. GRE is IPv4
only, but IPIP tunneling should work just fine with ipv6.

-- 
Best regards,
Kilian

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