[c-nsp] Cisco 7600 vlan issue

[David Freedman]

SIP/SPA does indeed provide per-port local VLAN significance for this
platform, please prepare your wallet in such case :)

Dave.


Saku Ytti wrote:
> On (2008-11-28 18:07 +0200), Tassos Chatzithomaoglou wrote:
> 
>> Just to add (if i remember right) that ES and SRB didn't support local VLAN significance under single tagged subifs.
>> I haven't checked if SRD and/or ES+ solve this problem.
> 
> ES+ does solve the issue indeed, but you're still limited to 4k VLANs. In ES cards
> you need you use EVC to terminate colliding VLANs.
> Cisco, please allow defining IP address directly under EVC, without requiring
> bridge-group. For setups where you always only terminate through
> one interface, switching is not needed and the additional configuration
> is undesired.
> 
> 
>> --
>> Tassos
>>
>> Tassos Chatzithomaoglou wrote on 28/11/2008 18:01:
>>> You're looking for "local VLAN significance".
>>>
>>> You probably have to get one of the WAN-style (ES20/40 for sure, don't  
>>> know for SIP/SPA) cards.
>>>
>>> -- 
>>> Tassos
>>>
>>> Mark Tech wrote on 28/11/2008 17:52:
>>>> Hi
>>>> With my GSR, I can split traffic on seperate physical interfaces,  
>>>> reusing the same vlan #, i.e.
>>>>
>>>> interface GigabitEthernet0/0/6.2
>>>>  encapsulation dot1Q 2
>>>>  ip address 7.7.7.1 255.255.255.252
>>>>  no ip directed-broadcast
>>>>  no cdp enable
>>>> !
>>>> interface GigabitEthernet0/0/7.2
>>>>  encapsulation dot1Q 2
>>>>  ip address 8.8.8.1 255.255.255.252
>>>>  no ip directed-broadcast
>>>>  no cdp enable
>>>>
>>>> However with a 7600, if I try to do the same I get the following error:
>>>>
>>>>
>>>>
>>>> interface GigabitEthernet1/9.2
>>>>  encapsulation dot1Q 2
>>>>  ip address 3.3.3.1 255.255.255.252
>>>>  no cdp enable
>>>> !
>>>> 7600(config)#interface GigabitEthernet1/10.2
>>>> 7600(config-subif)# encapsulation dot1Q 2
>>>> Command rejected: VLAN 10 not available
>>>> 7600(config-subif)#
>>>>
>>>>
>>>> Is there anyway around this? I want the 7600 to act like a router, 
>>>> not a switch!
>>>>
>>>> Regards
>>>>
>>>> Mark
>>>>
>>>>
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