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

[Saku Ytti]

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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-- 
  ++ytti