[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
>>
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