[c-nsp] EoMPLS between 7600 & 7200 config clarification

[Chris Griffin]

For 12.2SR there is mux-uni, which allows you to run ports in switchport 
mode, but then create a subinterface to support eompls.

http://tinyurl.com/hfb5p

Says its supported by normal LAN cards, but haven't tried it yet.

Thanks
Chris

Justin Shore wrote:
> Bill,
> 
> I'm in a similar boat as Jose.  What options for EoMPLS do we people 
> with 6700s have?  I'm trying physical to physical with no luck. 
> Sub-interface isn't an option for a particular design that I'm working 
> on either.
> 
> Thanks
>   Justin
> 
> 
> Bill Wade (wwade) wrote:
>> Jose,
>>
>> SVI (vlan interface) based EoMPLS requires an OSM, SIP-400, SIP-600
>> or ES-20 as core facing interface.
>>
>> Bill
>>
>>
>>
>>> -----Original Message-----
>>> From: cisco-nsp-bounces at puck.nether.net 
>>> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Jose
>>> Sent: Tuesday, February 05, 2008 11:16 AM
>>> To: Cisco
>>> Subject: [c-nsp] EoMPLS between 7600 & 7200 config clarification
>>>
>>> Hi everyone.  I'm doing some preliminary testing in our lab 
>>> in order to deploy EoMPLS on our ethernet network but I've 
>>> run into a little bit of a snag and was wondering if anyone 
>>> could clarify something for me.
>>>
>>> The setup I have is 3550---7603-SUP32---7204VXR---3550
>>>
>>> I have VLAN 800 setup to cross from one 3550 to the other.  
>>> The relevant portions of the config are as follows:
>>>
>>> 7603:
>>> interface GigabitEthernet2/2
>>>  description to 3550
>>>  switchport
>>>  switchport trunk encapsulation dot1q
>>>  switchport trunk allowed vlan 800
>>>  switchport mode trunk
>>>  no ip address
>>>  load-interval 30
>>> !
>>> interface Vlan800
>>>  xconnect 10.0.1.4 800 encapsulation mpls !
>>> interface GigabitEthernet1/1
>>>  description 7603 to 7204
>>>  switchport
>>>  switchport trunk encapsulation dot1q
>>>  switchport trunk allowed vlan 220
>>>  switchport mode trunk
>>>  no ip address
>>>  load-interval 30
>>> !
>>> interface Vlan220
>>>  ip address 10.0.0.18 255.255.255.252
>>>  load-interval 30
>>>  tag-switching mtu 1520
>>>  tag-switching ip
>>> !
>>>
>>> 7204VXR:
>>> interface FastEthernet1/0.220
>>>  encapsulation dot1Q 220
>>>  ip address 10.0.0.17 255.255.255.252
>>>  ip ospf cost 40
>>>  tag-switching mtu 1520
>>>  tag-switching ip
>>> !
>>> interface FastEthernet3/0.800
>>>  encapsulation dot1Q 800
>>>  xconnect 10.0.1.1 800 encapsulation mpls !
>>>
>>> Now when I do a "show mpls l2 vc" I can see the circuit up 
>>> from the 7204 side but down from the 7603 side.  I think I 
>>> have everything setup properly but can't figure out why it 
>>> wouldn't work.
>>>
>>> If I change things around a bit and reconfigure the 7603 to 
>>> use sub-interfaces with dot1q instead of vlan interfaces like this:
>>>
>>> interface GigabitEthernet2/2.800
>>>  encapsulation dot1Q 800
>>>  xconnect 10.0.1.4 800 encapsulation mpls !
>>>
>>> The circuit is up from both ends and pings from/to each 3550 
>>> are successful:
>>>
>>> frort01-lab#sh mpls l2 vc
>>>
>>> Local intf     Local circuit        Dest address    VC ID     
>>>  Status    
>>> -------------  -------------------- --------------- 
>>> ---------- ----------
>>> Gi2/2.800      Eth VLAN 800         10.0.1.4        800       
>>>  UP        
>>> 7603-lab#
>>>
>>> Is this the only way to get EoMPLS to work between these two 
>>> devices?  
>>> I'm sure I've seen the xconnect command used on VLAN 
>>> interfaces before and it has worked fine.
>>>
>>> Any thoughts or comments would be greatly appreaciated.
>>>
>>> Thanks.
>>>
>>> Jose
>>> _______________________________________________
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>>>
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-- 
Chris Griffin                           cgriffin at ufl.edu
Sr. Network Engineer - CCNP             Phone: (352) 273-1051
CNS - Network Services                  Fax:   (352) 392-9440
University of Florida/FLR               Gainesville, FL 32611