Contents
vi
Catalyst 2900 Series XL and Catalyst 3500 SeriesXL Software Configuration Guide
78-6511-08
Planning a Switch Cluster 5-5
Automatic Discovery of Cluster Candidates and Members 5-5
Discovery through CDP Hops 5-6
Discovery through Non-CDP-Capable and Noncluster-Capable Devices 5-7
Discovery through the Same Management VLAN 5-8
Discovery through Different Management VLANs 5-9
Discovery of Newly Installed Switches 5-11
HSRP and Standby Command Switches 5-12
Virtual IP Addresses 5-13
Other Considerations for Cluster Standby Groups 5-13
Automatic Recovery of Cluster Configuration 5-15
IP Addresses 5-15
Host Names 5-16
Passwords 5-16
SNMP Community Strings 5-16
TACACS+ and RADIUS 5-17
Access Modes in CMS 5-17
Management VLAN 5-18
Network Port 5-19
NAT Commands 5-19
LRE Profiles 5-19
Availability of Switch-Specific Features in Switch Clusters 5-19
Creating a Switch Cluster 5-19
Enabling a Command Switch 5-20
Adding Member Switches 5-21
Creating a Cluster Standby Group 5-23
Verifying a Switch Cluster 5-25
Using the CLI to Manage Switch Clusters 5-26
Catalyst 1900 and Catalyst2820 CLI Considerations 5-26
Using SNMP to Manage Switch Clusters 5-27
CHAPTER
6 Configuring the System 6-1
Changing IP Information 6-2
Manually Assigning and Removing Switch IP Information 6-2
Using DHCP-Based Autoconfiguration 6-3
Understanding DHCP-Based Autoconfiguration 6-3
DHCP Client Request Process 6-4
Configuring the DHCP Server 6-5
Configuring the TFTP Server 6-5
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