[c-nsp] VPLS ASR1k - ME3800 - no L2 tunnelling ?

Thu Oct 3 11:32:08 EDT 2013

Hi Adam,
L2PT Tunneling as well as L2PT Forward are supported on ME platforms but recommended is L2PT Forward.
L2PT tunneling changes the destination mac address to well known Cisco mac address and can only work with remote devices supporting L2PT tunneling. It does not interoperate with non Cisco devices and even has limited support on Cisco devices.
L2PT Forward does not change the destination mac address and can interoperate with any Cisco or non Cisco devices. It also supports CE2.0 listed control BPDUs. Due to these reasons, recommendation would be to use L2PT Forward.
Below are the documents which has details.

https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnxtd2FyaXN8Z3g6NTk5NzNmNGUwOTYzZmFh
https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnxtd2FyaXN8Z3g6NzI1MTc2YzdjNGI2YmQ1NA

Best Regards,

[http://www.cisco.com/web/europe/images/email/signature/horizontal06.jpg]

Waris Sagheer
Technical Marketing Manager
Service Provider Access Group
waris at cisco.com<mailto:waris at cisco.com>
Phone: +1 408 853 6682
Mobile: +1 408 835 1389

CCIE - 19901

<http://www.cisco.com/>

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From: adam vitkovsky <adam.vitkovsky at swan.sk<mailto:adam.vitkovsky at swan.sk>>
Date: Thursday, October 3, 2013 1:23 AM
To: Waris Sagheer <waris at cisco.com<mailto:waris at cisco.com>>, 'Chris Russell' <chris at nifry.com<mailto:chris at nifry.com>>, "cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>" <cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>>
Cc: "Mostafa Mansour (mosmanso)" <mosmanso at cisco.com<mailto:mosmanso at cisco.com>>
Subject: RE: [c-nsp] VPLS ASR1k - ME3800 - no L2 tunnelling ?

Hi Waris,
So on ME3800 I read the l2pt tunnel is not supported on EFPs with
PW/xconnect configured on them, though IOS will let you enter the command
with no complains.
So to work around this I should be using l2pt forward instead right?

Is there actually a difference in function of these two commands please?

adam
-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
Waris Sagheer (waris)
Sent: Wednesday, October 02, 2013 6:29 PM
To: Chris Russell; cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>
Cc: Mostafa Mansour (mosmanso)
Subject: Re: [c-nsp] VPLS ASR1k - ME3800 - no L2 tunnelling ?

Hi Mostafa,
Can you help with ASR1K L2PT behavior? What is supported on ASR1K?

Hi Chris,
I am copying Mostafa (ASR 1K expert) to confirm the L2PT behavior on ASR1K.
Just a side note from ME perspective, I would recommend using L2PT forward
command rather than L2PT tunnel.

Best Regards,

[http://www.cisco.com/web/europe/images/email/signature/horizontal06.jpg]

Waris Sagheer
Technical Marketing Manager
Service Provider Access Group
waris at cisco.com<mailto:waris at cisco.com><mailto:waris at cisco.com>
Phone: +1 408 853 6682
Mobile: +1 408 835 1389

CCIE - 19901

<http://www.cisco.com/>

[Think before you print.] Think before you print.

This email may contain confidential and privileged material for the sole use
of the intended recipient. Any review, use, distribution or disclosure by
others is strictly prohibited. If you are not the intended recipient (or
authorized to receive for the recipient), please contact the sender by reply
email and delete all copies of this message.

For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/index.html

From: Chris Russell <chris at nifry.com<mailto:chris at nifry.com><mailto:chris at nifry.com>>
Organization: ntech
Date: Saturday, August 31, 2013 6:18 AM
To: "cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net><mailto:cisco-nsp at puck.nether.net>"
<cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net><mailto:cisco-nsp at puck.nether.net>>
Subject: Re: [c-nsp] VPLS ASR1k - ME3800 - no L2 tunnelling ?

On 21/08/2013 10:00, Chris Russell wrote:
On 21/08/2013 09:54, Adam Vitkovsky wrote:
And I assume no BPDUs are passed either.
Is it possible to issue cmd: "l2protocol peer" or all the l2protocol
commands are rejected altogether?
Just to see if the L2protocol status changes somehow.

  As a final thread closing to this one, with thanks to various people,
especially Adam, who responded -

  L2 tunnelling of control packets (BPDUs) is NOT supported on the ASR1K.

Thanks

Chris

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