[c-nsp] MPLS/BGP - want to add backup IPSEC VPN

[Ivan Pepelnjak]

> > If you're the customer (having only CE routers), this is a classic 
> > primary/backup problem, only this time using BGP as the 
> core routing 
> > protocol.
> >
     
> This sounds like what I'm planning on doing.....GRE for the 
> routing protocols....we are on the CE end. If you could, 
> please elaborate on the routing that is involved, thanks!

The simplest thing would be to run BGP everywhere and make the paths over
the GRE tunnels less preferred (for example, by using lower local
preference).

Ivan
 
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