From: Curt Gregg (cugregg) (cugregg@cisco.com)
Date: Fri Nov 30 2007 - 18:15:43 ART
Your going to have to test your theory out as its been awhile and I
don't have any CatOS boxes sitting around. But I don't think it will
work as ports in the same admin group need to belong to the same
EtherChannel ID.
=======================
Understanding Administrative Groups and EtherChannel IDs
Configuring an EtherChannel creates an administrative group, designated
by an integer between 1 and 1024 inclusive, to which the EtherChannel
belongs. You can assign an administrative group number manually or let
the system software assign the next available administrative group
number automatically.
Forming an EtherChannel without specifying an administrative group
number creates a new automatically numbered administrative group
consisting of the ports you configure as an EtherChannel. An
administrative group can contain a maximum of eight ports.
You can define an EtherChannel administrative group without forming an
EtherChannel. Only ports belonging to the same administrative group can
form a single EtherChannel together.
In addition to the administrative group number, each EtherChannel is
automatically assigned a unique EtherChannel ID. Use the show channel
group admin_group command to display the EtherChannel ID.
EtherChannel administrative group numbers are stored in NVRAM and remain
the same after the switch is reset or power cycled. EtherChannel IDs are
not saved in NVRAM. The ID can change if the EtherChannel is torn down
and renegotiated, or if the switch is reset or power cycled.
Curt
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
M_A_Jones@Dell.com
Sent: Friday, November 30, 2007 3:56 PM
To: Daniel_Steyn@Dell.com; ccielab@groupstudy.com
Subject: RE: Oldschool CatOS GEC question...
Wow,
Surprised no one wants to touch this!!!
Come on guys this is a real world question,,,
Michael Jones
Network Engineer
Global Network Operations
Dell Inc. | Information Technology
W. 512.723.3268 | C. 512.966.6908
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Daniel_Steyn@dell.com
Sent: Thursday, November 29, 2007 12:35 PM
To: ccielab@groupstudy.com
Subject: OT: Oldschool CatOS GEC question...
For all of you CatOS gurus out there...
Can anyone explain what the admin_group within a CatOS port channel
actually does? If we configure a switch with 4 ports under the same
manually defined admin group and connect 2 of those to one switch and 2
to another...will there be any negative impact? My understanding is
that this option is locally significant and used for reference
only...but would like to be sure. Any thoughts?
-Daniel
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