[j-nsp] SRX & MPLS

Chris Kawchuk juniperdude at gmail.com
Thu Aug 23 17:53:49 EDT 2012

Shouldn't affect it in the classical BGP active./backup sense; only 1 'vrf' is active in a multi-homing BGP setup.

However, since the SRX/J doesn't do that, both will end up being active -  You'll need a way to suppress one of them from getting any traffic. Perhaps think about using an EX4200 underneath using an RTG to each SRX at layer 2 to prevent the loop.

Should have zero effect on vrrp/layer-3 stuff.

- CK.

On 23/08/2012, at 7:47 PM, Johan Borch <johan.borch at gmail.com> wrote:

> Your'e right of course :)
> My question was more how the VPLS multihoming will affect this setup.
> Regards
> Johan
> On Thu, Aug 23, 2012 at 11:21 AM, Chris Kawchuk <juniperdude at gmail.com> wrote:
> Err VPLS Implies Layer 2 only.
> Where is the VRP runninng in-between? Are you doing "vlan-id" inside the VPLS instance for normalization, then binding an irb.x into it? I dont think that works in SRX/J either. (l3 within VPLS).
> - CK.
> On 2012-08-23, at 6:39 PM, Johan Borch wrote:
> > "VPLS multihoming, which allows connecting a CE device to multiple PE
> > routers to provide redundant connectivity, is not supported on J Series or
> > SRX Series devices"
> >
> > I'm going to have two SRX's on each site and using vrrp between them, will
> > I hit this exception then?

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