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Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide
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Chapter 5 Clustering Switches
Planning a Switch Cluster
TACACS+
If Terminal Access Controller Access Control System Plus (TACACS+) is configured on the command
switch, TACACS+ must also be configured on all member switches to access the switch cluster from
CMS. For more information about TACACS+, see the “Configuring TACACS+” section on page 6-51.
Access Modes in CMS
CMS provides two levels of access to the configuration options: read-write access and read-only access.
Privilege levels 0 to 15 are supported.
• Privilege level 15 provides you with read-write access to CMS.
• Privilege levels 1 to 14 provide you with read-only access to CMS. Any options in the CMS
windows, menu bar, toolbar, and popup menus that change the switch or cluster configuration are
not shown in read-only mode.
• Privilege level 0 denies access to CMS.
For more information about CMS access modes, see the “Access Modes in CMS” section on page 2-33.
Note • If your cluster has these member switches running earlier software releases and if you have
read-only access to these member switches, some configuration windows for those switches
display incomplete information:
–
Catalyst 2900 XL or Catalyst 3500 XL member switches running Cisco IOS
Release 12.0(5)WC2 or earlier
–
Catalyst 2950 member switches running Cisco IOS Release 12.0(5)WC2 or earlier
–
Catalyst 3550 member switches running Cisco IOS Release 12.1(6)EA1 or earlier
For more information about this limitation, refer to the Catalyst 2900 XL and Catalyst 3500 XL
release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm).
• These switches do not support read-only mode on CMS:
–
Catalyst 1900 and Catalyst 2820
–
Catalyst 2900 XL switches with 4-MB CPU DRAM
In read-only mode, these switches appear as unavailable devices and cannot be configured from
CMS.
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