[j-nsp] Route Reflector within a L3VPN

Adam Vitkovsky Adam.Vitkovsky at gamma.co.uk
Fri Feb 20 17:14:49 EST 2015

Hi Tom,

It seems the command you are looking for is "neighbour <CE_IP> next-hop-unchanged".
Then however you would need to make sure that the CE has a route for the original next hop.

> -----Original Message-----
> From: juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf
> Of Tom Eichhorn
> Sent: 20 February 2015 20:17
> To: jnsp
> Subject: [j-nsp] Route Reflector within a L3VPN
> Hi Guys,
> I currently try to bring the following construct to work:
> I have a standard CE-PE-PE-CE l3vpn construct, and want to use as CE-PE
> protocol BGP.
> But I want the CE not talk BGP to the PE (that is standard and everyone
> can do that), but instead to a RR.
> What I did is creating the routing instance on the RR, configure
> protocols bgp foo within in the routing-instance,
> and also got the CE talk to that instance route reflector.
> But now comes the catch: the reflected routes to the PE have as next-hop
> always the RR, and the RR has the PE as next-hop.
> I believe I only have to find the right knob to push from RR to PE
> simply the origin next-hop as sent from the CE,
> but I didn't find it - any clues?
> Thanks,
> Tom
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