From: mani poopal (mani_ccie@yahoo.com)
Date: Mon Dec 27 2004 - 21:34:10 GMT-3
Tim,
Yes you have to configure both sides of the etherchannel. If you configured your Cat1 for channel-group 1 mode desireable, other side(cat2) can be configured either with channel-group mode desirable or channel-group 1 mode on.[for LACP you would configure active and passive modes]
HTH
Mani
ccie2be <ccie2be@nyc.rr.com> wrote:
Hey guys,
I had the impression that PagP could be used to automatically create a L2
Etherchannel by just configuring one side of the link,
but I couldn't get it to work.
Here's the topology:
Cat-1 ----- Cat-2
Both 3550's are connected to each other via 3 links
fa0/13 --- fa0/13
fa0/14 --- fa0/14
fa0/15 --- fa0/15
and each interface starts out with the default configuration
I used the command on Cat-1, channel-group 1 mode desirable, on all 3
interfaces. But, until I also configured Cat-2 the
etherchannel wouldn't come up.
Do both sides of an etherchannel always have to be configured for the
etherchannel to come up?
If not, how should etherchannel be configured on one side so that the other
side comes up?
If so, what's the point of PagP?
TIA, Tim
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