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Catalyst 2940 Switch Software Configuration Guide
78-15507-02
Chapter 5 Clustering Switches
Creating a Switch Cluster
Creating a Cluster Standby Group
The cluster standby group members must meet the requirements described in the “Standby Command
Switch Characteristics” section on page 5-2 and “HSRP and Standby Command Switches” section on
page 5-8. To create a cluster standby group, select Cluster > Standby Command Switches
(Figure 5-10).
Figure 5-10 Standby Command Configuration Window
Instead of using CMS to add switches to a standby group and to bind the standby group to a cluster, you
can use the standby ip, the standby name, and the standby priority interface configuration commands
and the cluster standby group global configuration command.
Note • When the command switch is a Catalyst 3550 switch, all standby command switches must be
Catalyst 3550 switches.
• When the command switch is a Catalyst 2955 switch, all standby command switches must be
Catalyst 2955 switches.
• When the command switch is a Catalyst 2950 switch running Cisco IOS Release 12.1(9)EA1 or
later, all standby command switches must be Catalyst 2950 switches running Cisco IOS
Release 12.1(9)EA1 or later.
• When the command switch is a Catalyst 2950 switch running Cisco IOS Release 12.1(6)EA2 or
later, all standby command switches must be Catalyst 2950 switches running Cisco IOS
Release 12.1(6)EA2 or later.
Active command switch.
Must be a valid IP
address in the same
subnet as the active
command switch.
Once entered, this
information cannot be
changed.
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