Contents
vii
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-10
Understanding CNS Embedded Agents 6-5
Initial Configuration 6-5
Incremental (Partial) Configuration 6-6
Synchronized Configuration 6-6
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 7-4
Planning a Switch Cluster 7-5
Automatic Discovery of Cluster Candidates and Members 7-5
Discovery through CDP Hops 7-6
Discovery through Non-CDP-Capable and Noncluster-Capable Devices 7-7
Discovery through the Same Management VLAN 7-8
Discovery through Different Management VLANs 7-9
Discovery of Newly Installed Switches 7-10
HSRP and Standby Command Switches 7-11
Virtual IP Addresses 7-12
Other Considerations for Cluster Standby Groups 7-12
Automatic Recovery of Cluster Configuration 7-14
IP Addresses 7-14
Host Names 7-15
Passwords 7-15
SNMP Community Strings 7-15
TACACS+ and RADIUS 7-16
Access Modes in CMS 7-16
Management VLAN 7-16
LRE Profiles 7-17
Availability of Switch-Specific Features in Switch Clusters 7-17
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