EoMPLS and Layer 2 Tunneling

[Colm OLeary]

Hello,

I am trying to tunnel STP over and EoMPLS tunnel.

I have an ME 3600X and 2911 ISRG2 acting as PE's.

I have 2 Cisco 2960 switches acting as CE's (this is a test environment)

The layer 2 vc's are up on both PE's but STP bpdu are notbeing forarded between the 2 CE's.(I have disabled STP for the EoMPLS vlans on the ME3600)

PE1 (ME 3600X)

int g0/1

port-type nni

switchport trunk allowed vlan none

switchport mode tunk

service instance 2 ethernet

encapsulation dot1q 2

l2protocol tunnel stp

bridge-domain 2

int vlan 2

xconnect 10.11.1.4 encapsulation mpls

PE 2 (2911)

int g0/2.2

xconnect 10.11.1.16 encapsulation mpls

CE 1 and CE 2

int g0/1

switchport mode trunk

Has anyone sucessfuly tunnel STP (or and L2 protocols).

Thanks,

Colm

[Vivek Ruhil]

Hi

Can you try the following command on 2911

l2protocol-tunnel stp

[Colm OLeary]

Hi Vivek,

That command is not available on the 2911?

Colm

[Vivek Ruhil]

hmmmm.. I know this that l2pt is not on by default and it needs to be enabled.

If this command is not available I would assume that this feature is not supported.

I even checked the feature navigator and it doesn't list l2pt on Eompls supported by 1911.

[Colm OLeary]

Vivek,

I have a different EoMPLS vc running between two 2911 and it is passing STP by default between them.

I think this may be something on the ME3600X?

Colm

[Colm OLeary]

Folks,

I have this issue resolved.

There were reported bugs in earlier version of code for the ME3600X which dropped MSTP and RSTP BPDU's.

Also there are 2 different use cases for using the L2protocol command:

1, When creating a service instance between 2 devices that supports the L2protocol command use L2protocol tunnel (ME3600 to ME3600)

2, When creating a service instance between a deice that supports the L2protcol command and another device that does not support the L2protocol command use L2protocol forward (ME3600 - 2911 or ME3600 to non Cisco device)

I upgraded the s/w on the ME3600 to 15.3-2

Here is the working configuration between the ME3600 and the 2911

PE1 (ME 3600X)

int g0/1

port-type nni

switchport trunk allowed vlan none

switchport mode tunk

service instance 2 ethernet

encapsulation dot1q 2

rewrite ingress tag pop 1 symmetric

l2protocol forward stp

xconnect 10.11.1.4 encapsulation mpls

PE 2 (2911)

int g0/2.2

xconnect 10.11.1.16 encapsulation mpls

CE 1 and CE 2

int g0/1

switchport mode trunk

Thanks for your help.

Colm

[Onay.Kucukesin.34]

hello,

can you share the licence and ios information of 2911 please? xconnect command doesn't work on mine.

i have universal image ( there are currently no other types of images on cisco web site).

or did i miss to active this command? can you help me...

[Colm OLeary]

You will need to enable the DATA license. One the license is purchased it can be enabled on the Universal image.

An evaluation license for DATA can also be enabled for a trial period

[Onay.Kucukesin.34]

thank you so very much...