[c-nsp] Etherchannel across stacked switches (C3750)

Tassos Chatzithomaoglou achatz at forthnet.gr
Fri Jan 27 05:53:46 EST 2006


Yep...you're right. PAGP is not supported...

Saku Ytti wrote on 27/1/2006 12:09 μμ:

> On (2006-01-27 11:55 +0200), Tassos Chatzithomaoglou wrote:
> 
> 
>>If i remember correctly, you need to use PAGP instead of LACP.
> 
> 
>  You remember wrong. Sine 12.2(25)SEC or SED cross-switch LACP
> has been supported, before that only regular 'dumb' port-channel.
>  PaGP is not suppored cross-stack, and will not be AFAIK.
> 
>  It appears Arnold doesn't have new IOS enough.
> 
> 
>>Arnold Nipper wrote on 27/1/2006 1:01 ????:
>>
>>>I try to configure a channel (PaGP, LACP) across two stacked switches. 
>>>While the first channeling command succeeds, I always get
>>>
>>>sw011(config-if-range)#inter range gigabitEthernet 2/0/1 - 4
>>>sw011(config-if-range)#channel-protocol lacp
>>>sw011(config-if-range)#channel-group 1 mode active
>>>%With LACP enabled, all ports in the Channel should belong to the same 
>>>switch
>>>Command rejected (Port-channel1, Gi2/0/1): Invalid etherchnl mode
>>>
>>>
>>>Does this work with neither dynamich protocol?
>>>
>>>
>>>
>>>Arnold
>>
>>_______________________________________________
>>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/


More information about the cisco-nsp mailing list