Candidate Switch And Cluster Member Switch Characteristics; Planning A Switch Cluster - Cisco Catalyst 3560-X Software Configuration Manual
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Also See for Catalyst 3560-X:
- Command reference manual (1188 pages) ,
- Software configuration manual (1438 pages) ,
- Manual (276 pages)
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Planning a Switch Cluster
Note
Candidate Switch and Cluster Member Switch Characteristics
Candidate switches are cluster-capable switches and switch stacks that have not yet been added to a
cluster. Cluster member switches are switches and switch stacks that have actually been added to a
switch cluster. Although not required, a candidate or cluster member switch can have its own IP address
and password (for related considerations, see the
section on page
To join a cluster, a candidate switch must meet these requirements:
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Planning a Switch Cluster
Anticipating conflicts and compatibility issues is a high priority when you manage several switches
through a cluster. This section describes these guidelines, requirements, and caveats that you should
understand before you create the cluster:
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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
1-4
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 3750-E switch, the standby
cluster command switches must also be Catalyst 3750-E switches. See the switch configuration
guide of other cluster-capable switches for their requirements on standby cluster command
switches.
1-14).
It is running cluster-capable software.
It has CDP Version 2 enabled.
It is not a command or cluster member switch of another cluster.
If a cluster standby group exists, it is connected to every standby cluster command switch through
at least one common VLAN. The VLAN to each standby cluster command switch can be different.
The ip http server global configuration command must be configured on the switch.
It is connected to the cluster command switch through at least one common VLAN.
Note
Catalyst 1900, Catalyst 2820, Catalyst 2900 XL, Catalyst 2940, Catalyst 2950, and
Catalyst 3500 XL candidate and cluster member switches must be connected through their
management VLAN to the cluster command switch and standby cluster command switches.
For complete information about these switches in a switch-cluster environment, see the
software configuration guide for that specific switch.
This requirement does not apply if you have a Catalyst 2960, Catalyst 2970, Catalyst 3550,
Catalyst 3560, Catalyst 3560-E, Catalyst 3750, Catalyst 3750-E, Catalyst 3650-X, or
Catalyst 3750-X cluster command switch. Candidate and cluster member switches can
connect through any VLAN in common with the cluster command switch.
Automatic Discovery of Cluster Candidates and Members, page 1-5
HSRP and Standby Cluster Command Switches, page 1-10
IP Addresses, page 1-13
Hostnames, page 1-13
"IP Addresses" section on page 1-13
Chapter 1
Clustering Switches
and
"Passwords"
OL-25303-03
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Troubleshooting
