[c-nsp] Problems with dot1q trunk over EoMPLS with WS-X6148-GE-TX

[Dan Voyer]

here it is:
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/intrface.html#wpmkr1044296

have fun.
On Tue, Aug 10, 2010 at 8:13 AM, Dan Voyer <danvoyer at gmail.com> wrote:

> Yo, the WS-6148-GE-TX does not support "large frame". You need the WS-6748
> for large frame !
>
> And i believe you have a sup32, well that doesnt support large frame
> either, unless it's a sup32-10GE.
>
> Maybe you could use 1 port for each VLAN, that way you don't need the 4
> bytes header from 802.1Q
>
>
> - Sometimes I wish when people buy that WS-6148 line card Cisco make
> them sign "yes I agree to buy this line card that doesnt support large
> frame".
>
> dan
>   On Sun, Aug 8, 2010 at 8:05 AM, Fabien Dedenon <daf-list at internet-fr.net
> > wrote:
>
>>
>>  Hi,
>>
>> Le 08/08/2010 13:33, Gert Doering a écrit :
>>
>> Hi,
>>>
>>> in addition to what Arie said:
>>>
>>> On Sun, Aug 08, 2010 at 01:02:46PM +0200, Marco Matarazzo wrote:
>>>
>>>> Router1#sh run int fa 2/32
>>>> Building configuration...
>>>>
>>>> Current configuration : 245 bytes
>>>> !
>>>> interface FastEthernet2/32
>>>>  description -VC-71172104--
>>>>  no ip address
>>>>  ip verify unicast source reachable-via any allow-default
>>>>  no ip redirects
>>>>  no ip proxy-arp
>>>>  xconnect x.y.z.56 71172104 encapsulation mpls
>>>>
>>> ... just put "mtu 1504" here, to take into account that a full-sized
>>> ethernet frame *plus* dot1q header is just bigger than without... :-)
>>>
>>> (Been there, cursed, found the answer)
>>>
>> Sorry Gert but WS-X6148-GE-TX by specification just won't permit this. mtu
>> config is event not permitted (SXIx).
>>    (config)#interface gigabitEthernet 4/46
>>    (config-if)#mtu 1504
>>    % Invalid input detected at '^' marker.
>>
>>> gert
>>>
>> Cheers,
>>
>> Fabien
>>
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>
>