From: Scott Morris (swm@emanon.com)
Date: Mon Mar 29 2004 - 10:30:42 GMT-3
PAgP is a Cisco-ized protocol. LACP is the "industry standard" (802.3ad)
version to bond channels together.
You would choose one or the other depending on your equipment connections
(some non-Cisco devices?), protocol support (older Cisco SW is PAgP only),
or, of course, doing whatever your lab scenario tells you to do.
That's the simple answer. :)
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, CISSP,
JNCIS, et al.
IPExpert CCIE Program Manager
IPExpert Sr. Technical Instructor
swm@emanon.com/smorris@ipexpert.net
http://www.ipexpert.net
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Ng,
Kim Seng David (David)
Sent: Monday, March 29, 2004 8:14 AM
To: ccielab@groupstudy.com
Subject: Etherchannel: channel-protocol command
Hello,
When is the command "channel-protocol" used when configuring etherchannel?
From the doc CD 12.1(19)EA1:
"Use the channel-protocol interface configuration command to configure an
EtherChannel for the Port Aggregation Protocol (PAgP) or Link Aggregation
Control Protocol (LACP). Use the no form of this command to disable PAgP or
LACP on the EtherChannel.
channel-protocol {lacp | pagp}
no channel-protocol
Syntax Description
lacp
Configure an EtherChannel with the LACP protocol.
pagp
Configure an EtherChannel with the PAgP protocol.
Defaults
No protocol is assigned to the EtherChannel."
The default is no protocol which seems to say we need this cmd whether we
are using PagP or LACP. However, I remembered that I never need to configure
this command to get the etherchannel to work. All I need to config is
"channel-group mode". Hope someone can clarify. Thank you.
Rgds
David
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