Re: [mpls-linux-general] Test IPv6 forwarding problem

[James R. L. <jl...@mi...>]

Hello,

On Wed, Jun 04, 2008 at 09:46:55AM +0800, tr...@ya... wrote:
> Hello there,
> 
> I try to add nhlfe for eth0 which using this command.
> 
> # mpls nhlfe add key 0 instructions push gen 1001 nexthop eth0 ipv6 3ffe:b00:3::1
> 
> NHLFE entry key 0x0000003d mtu 0 propagate_ttl
>          (0 bytes, 0 pkts)
> 
> 
> Then I use "mpls nhlfe show" command to check the configuration. 
> 
> # mpls nhlfe show
> 
> NHLFE entry key 0x0000003d mtu 1496 propagate_ttl
>         push gen 1001 set eth0 ipv6 3ffe:b00:3::  (0 bytes, 0 pkts)
> 
> 
> but, the ipv6 address of nexthop is incorrect.
> Please let me know if I am missing any step or any thing is incorrect.

I've had people attempt to map IPv6 onto a LSP, but I do not recall
anyone trying to build the LSP with IPv6 nexthop addresses, so I think
your in uncharted territory.

I'm surprised it got as far as it did.  I'm wondering if there is just
a display error in the 'mpls' code.  I'm a total noob when it comes to
IPv6.  If you can provide a quick set of steps I can use to reproduce
this I will try to fix it.

> 
> Thanks & Regards.
> 
> 
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-- 
James R. Leu
jl...@mi...