[j-nsp] l2circuit down one side/up another
Caio
caiot5 at gmail.com
Fri Oct 20 19:25:09 EDT 2017
*> Also, after your physical change, was ospf/isis up on both sides?*
No OSPF/ISIS just static routes pointing to their loopbacks.
Cheers,
Caio
Em 20 de out de 2017 11:48 AM, "Daniel Rohan" <drohan at gmail.com> escreveu:
Also, after your physical change, was ospf/isis up on both sides?
On Fri, Oct 20, 2017 at 6:12 AM Daniel Rohan <drohan at gmail.com> wrote:
> 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
>
--
Thanks, Dan
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