[c-nsp] GRE question

[Arie Vayner]

There should not be any issue with the new GRE packet to be routed via
the same interface. It's a whole new packet, and has nothing to do
with the input GRE packets.

Arie

On 6/26/06, Vikas Sharma <vikassharmas at gmail.com> wrote:
> Hi,
>
> I have a router that have two interface. Interfaces have IPs assigned to
> them and there is one Virtual IP. There is a GRE tunnel established between
> VIP and remote router. Any packet coming to VIP comes via if-1. If-2 and
> connected interface has been given higher cost. My question is : If the
> packet is coming via GRE tunnel (ofcourse through if-1), can it go back from
> the same interface if-1? or does the routing loop prevention scheme will
> prevent it from going via if-1. Is GRE interface is considered as a separate
> interface then if-1 and if-2? I have OSPF working in the network.
>
> Regards
> Vikas Sharma
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