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Community Member

xconnect between different vlans

can I use xconnect session between two routers that have interfaces in different VLANs. On one side it is vlan 154 and on the other xconnect is terminated on interface that is in vlan 144?

1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

Re: xconnect between different vlans

Dragan,

I quickly checked with the Feature Navigator and it appears that VLAN ID Rewrite feature is supported only in 12.4T.

http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
15 REPLIES
Cisco Employee

Re: xconnect between different vlans

Dragan,

This will work indeed.

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
Community Member

Re: xconnect between different vlans

Are you sure? Looks like it does not work

Bronze

Re: xconnect between different vlans

Hi,

I agree with hritter.

It works in the same way as if you connected a cable between the two VLANs, if that's what you really want to do?

Please post your xconnect config for both sides. Is it AToM or L2TPv3?

Regards

Community Member

Re: xconnect between different vlans

router a

interface GigabitEthernet0/0.55

encapsulation dot1Q 155

xconnect 5.5.5.5 55 pw-class class

!

router b

interface GigabitEthernet0/0.55

encapsulation dot1Q 55

xconnect 4.4.4.4 55 pw-class class

!

so if I have same vlan on both sides, then it is ok, but if I change vlan on one side, then it does not work

Cisco Employee

Re: xconnect between different vlans

Dragan,

What platform is this?

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
Community Member

Re: xconnect between different vlans

7200

Cisco Employee

Re: xconnect between different vlans

Dragan,

Do you use a 7200 at both end? The 7200 platform does support vlan rewrite automatically. There is no need for special configuration. How did you test that it does or does not work? When you changed the vlan on the 7200 did you also changed it on the CE?

Can you post a "show mpls l2 vc detail"

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
Community Member

Re: xconnect between different vlans

yes and yes I've changed it on all nesessary places. How to configure vlan rewrite? I do not have this mpls command

Cisco Employee

Re: xconnect between different vlans

Dragan,

As I stated in my previous post, there is no command to enable vlan rewrite on the 7200. it is done by default.

Can you please post the output requested and also let us know what level of code you are running on the 7200s.

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
Community Member

Re: xconnect between different vlans

i cannot post you an ouput because I do not have command you are talking about. Ios is c7200-ik9o3s-mz.124-12c

Cisco Employee

Re: xconnect between different vlans

Dragan,

Here is the command from a device with the same train you are running:

CE1#sh mpls ?

forwarding-table Show the Label Forwarding Information Base (LFIB)

interfaces Per-interface MPLS forwarding information

ip MPLS IP information

l2transport MPLS circuit transport info

label Label information

ldp Label Distribution Protocol information

static Show MPLS static information

traffic-eng Traffic engineering information

CE1#sh mpls l2 ?

binding Display VC label binding information

hw-capability Show MPLS L2 transport capability

summary Show summary of l2transport

vc Display VC(s) info for circuit transport over MPLS

CE1#sh mpls l2 vc ?

<1-4294967295> VC ID or min VC ID value

destination Destination address of the VC

detail Detailed information

interface Local interface of the VC

vcid VC ID or min-max range of the VC IDs

| Output modifiers

CE1#sh mpls l2 vc

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
Community Member

Re: xconnect between different vlans

well mybe you have it .... but I do not

Cisco Employee

Re: xconnect between different vlans

Dragan,

I quickly checked with the Feature Navigator and it appears that VLAN ID Rewrite feature is supported only in 12.4T.

http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
Community Member

Re: xconnect between different vlans

I've upgraded routers and it does not work

Community Member

Re: xconnect between different vlans

sorry, it is working, I had to turn off spanning tree for these vlans. thanks for help

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