Candidate Switch And Member Switch Characteristics - Cisco 2950 - Catalyst Switch Configuration Manual

Understanding Switch Clusters
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Note Standby cluster command switches must be the same type of switches as the cluster command switch.
For example, if the cluster command switch is a Catalyst 2955 switch, the standby cluster command
switches must also be Catalyst 2955 switches. When the command switch is a non-LRE Catalyst 2950
switch running Cisco IOS Release 12.1(6)EA2 or later, all standby command switches must be non-LRE
Catalyst 2950 switches running Cisco IOS Release 12.1(6)EA2 or later.
Refer to the switch configuration guide of other cluster-capable switches for their requirements on
standby cluster command switches.

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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Non-LRE Catalyst 2950 standby command switches running Cisco IOS Release 12.1(9)EA1 or later can
Note
connect to candidate and member switches in VLANs different from their management VLANs.
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
7-4
If a non-LRE Catalyst 2950 standby command switch is running a release earlier than Cisco IOS
Release 12.1(9)EA1, it is connected to the command switch and to other standby command switches
and member switches through its management VLAN.
Note Non-LRE Catalyst 2950 command switches running Cisco IOS Release 12.1(9)EA1 or later
can connect to standby command switches in the management VLAN.
It is redundantly connected to the cluster so that connectivity to member switches is maintained.
It is not a command or member switch of another cluster.
"IP Addresses" section on page 7-14
It is running cluster-capable software.
It has CDP Version 2 enabled.
It is not a command or member switch of another cluster.
A Catalyst 2950 LRE or Catalyst 2955 member or candidate switch is connected to the command
switch through at least one common VLAN.
If a non-LRE Catalyst 2950 member or candidate switch is running Cisco IOS Release 12.1(9)EA1
or later, it is connected to the command switch through at least one common VLAN.
If a non-LRE Catalyst 2950 member or candidate switch is running a release earlier than Cisco IOS
Release 12.1(9)EA1, it is connected to the command switch through the command-switch
management VLAN.
and "Passwords" section on page
Chapter 7 Clustering Switches
7-15).
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