[j-nsp] l2circuit down one side/up another

[Daniel Rohan]

Did you change any of the physical interfaces as part of your topology
change? And if so, is family mpls configured on that new port? Is that new
port configured under protocols ldp and protocols mpls along with the
loopback used for signaling?

Do your control plane filters still permit ldp on both ends?



Dan

On Fri, Oct 20, 2017 at 3:26 AM Caio <caiot5 at gmail.com> wrote:

> Hello people,
>
> There's a weird problem I would like to share with you.
> I have the following scenario:
>
> MX104 -> L2 SW (1) -> L2 SW (2) -> MX80
>
> Both L2 SW are Extreme X460 and they're doing nothing except forwarding
> frames at layer 2.
>
> In order to simplify our topology, we have changed the MX104 uplink to L2
> SW (2) so the topology went to MX104 -> L2 SW (2) -> MX80.
>
> After that, the BGP sessions went up and all the traffic has returned as
> expected, however I have three l2circuit connections (vlan-ccc mode) and
> they went to "Down (OL)" status at one side and Up at another. In order to
> reestablish them we had to do a rollback of the physical changes we did.
>
> As it just don't make any sense to me, I summon you experts to help me with
> that, so we can try to figure out what went wrong.
>
> Additional details: I'm using LDP signaling at both sides. It' a point to
> point L3 connection, so I have the loopback interfaces configured at both
> sides and a /30 between them, also I have static routes to reach their
> loopback interface's addresses.
>
> Any help will be appreciated.
>
> Cheers,
> Caio
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-- 
Thanks, Dan