From: Kelly, Russell G (Russell_Kelly@eu1.bp.com)
Date: Fri Nov 28 2003 - 14:16:04 GMT-3
-----Original Message-----
From: Kenneth Wygand [mailto:KWygand@customonline.com]
Sent: 28 November 2003 16:14
To: ccielab@groupstudy.com
Subject: Gigastacks & Clustering
Hello and hope everyone had a great Thanksgiving...
I am going to be "gigastacking" several switches together but I can't
find too much configuration information on Cisco.com for doing this.
All I found was a document that said to configure the gigastack
interface as a trunk.
If more than one vlan exists across the stack then yes, the gig
interface needs to be configured as a trunk.
I've also looked into switch "clustering". Are "clustering" and
"gigastacking" mutually exclusive?
Yes they are mutually exclusive. Gigastacking is just uplinking
switches, whilst clustering is a convenient way of a single point of
management for a whole load of switches.
Do you have to cluster if you gigastack switches? -No.
I know a switch cluster is a single managed unit across all switches,
but I really want to manage each switch individually but to leverage the
gigastacking capability. Is this possible? - Yes this is possible just
assign each switch an IP (with the clustering too). I have done this to
allow HP Openview to monitor each switch individually. A few issues
around TACACS+ access to a switch that is not the cluster commander but
each switch can be managed/monitored separately
Does anyone have any more information on this and/or any documents you
can point me to in order to clarify these differences?
Thanks in advance,
Ken
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