[c-nsp] L2VPN between ASR920 and Juniper

Tue Sep 22 14:06:10 EDT 2015

I ran into the same thing below. 920 by default negotiates vc type 5.
Please configure vc type 5 on Juniper and check if the l2vpn establishes.

Thanks,
Vinod Kumar Balasubramanyam
ENGINEER.TECHNICAL MARKETING

vinbalas at cisco.com
WebEx Social profile <http://iwe.cisco.com/web/vinbalas>
Phone: +1 408 527 2051
Mobile: +1 919 802 8751

CCIE - 25703

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

 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.
Please click here 
<http://www.cisco.com/web/about/doing_business/legal/cri/index.html> for
Company Registration Information.

On 9/22/15, 10:09 AM, "cisco-nsp on behalf of Adam Vitkovsky"
<cisco-nsp-bounces at puck.nether.net on behalf of
Adam.Vitkovsky at gamma.co.uk> wrote:

>Hi Alireza,
>
>This is what I have found :
>Interoperability between Cisco and Juniper in L2vpn with vc type 4,
>CSCuq28998
>
>Symptom:
>All VC went down after the IOS upgrade on the router (with the last
>error: Imposition VLAN rewrite capability mismatch with peer)
>
>o Old image: 12.2(33)SRD3
>o New Image: 15.2(4)S4a
>
>Conditions:
>VC type 4 negotiation
>
>Workaround:
>- configure VC type 5 between the routers (configured on Juniper side)
>- configuring or using no-control-word command on Juniper router
>
>
>Last Modified:
>Aug 26,2014
>
>Status:
>Terminated
>
>Severity:
>2 Severe
>
>Product:
>Cisco 7600 Series Routers
>
>
>adam
>>
>
>        Adam Vitkovsky
>        IP Engineer
>
>T:      0333 006 5936
>E:      Adam.Vitkovsky at gamma.co.uk
>W:      www.gamma.co.uk
>
>This is an email from Gamma Telecom Ltd, trading as ³Gamma². The contents
>of this email are confidential to the ordinary user of the email address
>to which it was addressed. This email is not intended to create any legal
>relationship. No one else may place any reliance upon it, or copy or
>forward all or any of it in any form (unless otherwise notified). If you
>receive this email in error, please accept our apologies, we would be
>obliged if you would telephone our postmaster on +44 (0) 808 178 9652 or
>email postmaster at gamma.co.uk
>
>Gamma Telecom Limited, a company incorporated in England and Wales, with
>limited liability, with registered number 04340834, and whose registered
>office is at 5 Fleet Place London EC4M 7RD and whose principal place of
>business is at Kings House, Kings Road West, Newbury, Berkshire, RG14 5BY.
>
>
>-----Original Message-----
>> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
>> Alireza Soltanian
>> Sent: 21 September 2015 13:20
>> To: cisco-nsp at puck.nether.net
>> Subject: [c-nsp] L2VPN between ASR920 and Juniper
>>
>> Hi Everybody
>>
>> When I try to establish L2VPN connection between ASR920 and Juniper
>> M320, I have this output on ASR920:
>>
>>
>>
>> ASR920#show mpls l2transport vc detail
>>
>> Local interface: Gi0/0/4 up, line protocol up, Eth VLAN 810 up
>>
>>   Destination address: 10.234.233.29, VC ID: 2631, VC status: down
>>
>>     Last error: Imposition VLAN rewrite capability mismatch with peer
>>
>>
>>
>> I am using different VLANs on both side:
>>
>> ASR920: VLAN 810
>>
>> Juniper M320: VLAN 2631
>>
>>
>>
>> This is configuration on ASR side:
>>
>>
>>
>> interface GigabitEthernet0/0/4
>>
>> no ip address
>>
>> media-type auto-select
>>
>> negotiation auto
>>
>> service instance 1 ethernet
>>
>>   encapsulation dot1q 810
>>
>>   rewrite ingress tag pop 1 symmetric
>>
>>   xconnect 10.234.233.29 2631 encapsulation mpls
>>
>>
>>
>> this is configuration on Juniper M320
>>
>>
>>
>> set interfaces xe-1/0/0 unit 2631 encapsulation vlan-ccc
>>
>> set interfaces xe-1/0/0 unit 2631 vlan-tags outer 3012
>>
>> set interfaces xe-1/0/0 unit 2631 vlan-tags inner 2631
>>
>> set interfaces xe-1/0/0 unit 2631 input-vlan-map pop
>>
>> set interfaces xe-1/0/0 unit 2631 output-vlan-map push
>>
>>
>>
>> set protocols l2circuit neighbor 10.241.252.91 interface xe-1/0/0.2631
>>virtual-
>> circuit-id 2631
>>
>> set protocols l2circuit neighbor 10.241.252.91 interface xe-1/0/0.2631
>>no-
>> control-word
>>
>> set protocols l2circuit neighbor 10.241.252.91 interface xe-1/0/0.2631
>>mtu
>> 1500
>>
>>
>>
>> Do you have any idea what is the issue?
>>
>>
>>
>> _______________________________________________
>> cisco-nsp mailing list  cisco-nsp at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-nsp
>> archive at http://puck.nether.net/pipermail/cisco-nsp/
>
>_______________________________________________
>cisco-nsp mailing list  cisco-nsp at puck.nether.net
>https://puck.nether.net/mailman/listinfo/cisco-nsp
>archive at http://puck.nether.net/pipermail/cisco-nsp/