[j-nsp] Layer 2 circuit - Traffic not flowing between Cisco and Juniper with mismatched VLAN ID

Mihai Gabriel mihaigabriel at gmail.com
Thu Nov 1 10:22:37 EDT 2012


Using vlan 610 on Cisco (the configuration is correct) and vlan 601 on
Juniper, the Juniper configuration should look like this:

vlan-id 601;
 input-vlan-map {
   swap;
    vlan-id 610;
     }
 output-vlan-map swap;
 }


On Thu, Nov 1, 2012 at 4:03 PM, Mike Devlin <juniper at meeksnet.ca> wrote:

> vlan 610 on Cisco side, VS vlan 601 on Juniper side?
>
> Is that my dyslexia, or yours?
>
>
> On Thu, Nov 1, 2012 at 8:49 AM, Mihai Gabriel <mihaigabriel at gmail.com>wrote:
>
>> I configured something similar (vpls instead vlan-ccc) with something like
>> this on Juniper:
>>
>> Interfaces {
>>             ge-1/1/6 {
>>              unit 901 {
>>                     description "C-PE2 to S-CE2";
>>                     encapsulation vlan-vpls;
>>                     vlan-id 901;
>>                     input-vlan-map {
>>                         swap;
>>                         vlan-id 801;
>>                     }
>>                     output-vlan-map swap;
>>                 }
>>             }
>>
>>
>>
>> On Thu, Nov 1, 2012 at 2:26 PM, Arun Kumar <narain.arun at gmail.com> wrote:
>>
>> > i m trying to do VLAN mode.
>> >
>> > below is the previous config that I tried,
>> >
>> > nieg at LAB-MX-PE5# show interfaces ge-1/1/0.601
>> > encapsulation vlan-ccc;
>> > vlan-id 601
>> > input-vlan-map pop;
>> > output-vlan-map push;
>> >
>> > [edit]
>> > nieg at LAB-MX-PE5# show protocols l2circuit
>> > neighbor 10.20.0.2 {
>> >     interface ge-1/1/0.601 {
>> >         virtual-circuit-id 6012;
>> >     }
>> > }
>> >
>> > Cisco side:
>> >
>> > interface GigabitEthernet0/1.610
>> >  encapsulation dot1Q 610
>> >  xconnect 10.20.0.5 6012 encapsulation mpls
>> > end
>> >
>> > even tried as per the config you asked for but still the same result, VC
>> > stays up but no data flowing
>> >
>> > nieg at LAB-MX-PE5# run show l2circuit connections extensive
>> >
>> > Neighbor: 10.20.0.2
>> >     Interface                 Type  St     Time last up          # Up
>> trans
>> >     ge-1/1/0.601(vc 6012)     rmt   Up     Nov  1 17:50:20 2012
>>   1
>> >       Remote PE: 10.20.0.2, Negotiated control-word: Yes (Null)
>> >       Incoming label: 299792, Outgoing label: 40
>> >       Negotiated PW status TLV: No
>> >       Local interface: ge-1/1/0.601, Status: Up, Encapsulation: VLAN
>> >     Connection History:
>> >         Nov  1 17:50:20 2012  status update timer
>> >         Nov  1 17:50:20 2012  PE route changed
>> >         Nov  1 17:50:20 2012  Out lbl Update                        40
>> >         Nov  1 17:50:20 2012  In lbl Update                     299792
>> >         Nov  1 17:50:20 2012  loc intf up                 ge-1/1/0.601
>> > _______________________________________________
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>> >
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>


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