Cisco 7604 Configuration Guide - Page 282
Con the Secondary Unit, primary, secondary, join-failover-group
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Configuring Failover Chapter 14 Configuring Failover Step 5 Step 6 Step 7 For each failover group, you need to specify whether the failover group has primary or secondary preference using the primary or secondary command. You can assign the same preference to both failover groups. For load balancing configurations, you should assign each failover group a different unit preference. The following example assigns failover group 1 a primary preference and failover group 2 a secondary preference: hostname(config)# failover group 1 hostname(config-fover-group)# primary hostname(config-fover-group)# exit hostname(config)# failover group 2 hostname(config-fover-group)# secondary hostname(config-fover-group)# exit Assign each context to a failover group using the join-failover-group command in context configuration mode. Any unassigned contexts are automatically assigned to failover group 1. The admin context is always a member of failover group 1. Enter the following commands to assign each context to a failover group: hostname(config)# context context_name hostname(config-context)# join-failover-group {1 | 2} Enable failover: hostname(config)# failover To enable monitoring on an interface, change to the context and enter the following command: hostname(config)# changeto context context_name hostname(config)# monitor-interface interface_name The maximum number of interfaces to monitor on the FWSM (divided between all contexts) is 250. Configure the Secondary Unit You need to configure the secondary unit to recognize the failover link. This allows the secondary unit to communicate with and receive the running configuration from the primary unit. To configure the secondary unit in an Active/Active failover configuration, perform the following steps: Step 1 Define the failover interface. Use the same settings as you used for the primary unit. a. Specify the interface to be used as the failover interface: hostname(config)# failover lan interface if_name vlan vlan The if_name argument assigns a logical name to the interface specified by the vlan argument. b. Assign the active and standby IP address to the failover link: hostname(config)# failover interface ip if_name ip_addr mask standby ip_addr Note Enter this command exactly as you entered it on the primary unit when you configured the failover interface. 14-28 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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