Candidate Switch And Member Switch Characteristics - Cisco WS-C2955T-12 Software Manual

Understanding Switch Clusters
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Candidate Switch and Member Switch Characteristics

Candidate switches are cluster-capable switches that have not yet been added to a cluster. Member
switches are switches that have actually been added to a switch cluster. Although not required, a
candidate or member switch can have its own IP address and password (for related considerations, see
the
To join a cluster, a candidate switch must meet these requirements:
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Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide
5-4
When the command switch is a Catalyst 2950 switch running Release 12.1(6)EA2 or later, all
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standby command switches must be Catalyst 2950 switches running Release 12.1(6)EA2 or
later.
When the command switch is running Release 12.0(5)WC2 or earlier, the standby command
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switches can be these switches: Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL
switches.
We strongly recommend that the command switch and standby command switches are of the same
switch platform.
– If you have a Catalyst 3550 command switch, the standby command switches should be
Catalyst 3550 switches.
– If you have a Catalyst 2950 command switch, the standby command switches should be
Catalyst 2950 switches.
– If you have a Catalyst 2900 XL or Catalyst 3500 XL command switch, the standby command
switches should be Catalyst 2900 XL and Catalyst 3500 XL switches.
"IP Addresses" section on page 5-15
It is running cluster-capable software.
It has CDP version 2 enabled.
It is not a command or member switch of another cluster.
It is connected to the command switch through the command-switch management VLAN.
and "Passwords" section on page
Chapter 5 Clustering Switches
5-16).
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