Specifications

Contents
vii
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-07
Configuring CNS Embedded Agents 6-6
Enabling Automated CNS Configuration 6-6
Enabling the CNS Event Agent 6-8
Enabling the CNS Configuration Agent 6-9
Enabling an Initial Configuration 6-9
Enabling a Partial Configuration 6-12
Displaying CNS Configuration 6-13
CHAPTER 7 Clustering Switches 7-1
Understanding Switch Clusters 7-2
Command Switch Characteristics 7-3
Standby Command Switch Characteristics 7-3
Candidate Switch and Member Switch Characteristics 7-5
Planning a Switch Cluster 7-5
Automatic Discovery of Cluster Candidates and Members 7-6
Discovery through CDP Hops 7-6
Discovery through Non-CDP-Capable and Noncluster-Capable Devices 7-8
Discovery through the Same Management VLAN 7-9
Discovery through Different Management VLANs 7-10
Discovery of Newly Installed Switches 7-11
HSRP and Standby Command Switches 7-12
Virtual IP Addresses 7-13
Other Considerations for Cluster Standby Groups 7-14
Automatic Recovery of Cluster Configuration 7-15
IP Addresses 7-16
Host Names 7-17
Passwords 7-17
SNMP Community Strings 7-17
TACACS+ and RADIUS 7-18
Access Modes in CMS 7-18
Management VLAN 7-19
LRE Profiles 7-19
Availability of Switch-Specific Features in Switch Clusters 7-20
Creating a Switch Cluster 7-20
Enabling a Command Switch 7-20
Adding Member Switches 7-21
Creating a Cluster Standby Group 7-23
Verifying a Switch Cluster 7-26