Cisco 7604 Configuration Guide - Page 654
The Secondary FWSM Configuration (Example 8), Switch Configuration (Example 8), failover, preempt
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Failover Example Configurations Appendix B Sample Configurations access-list INTERNET extended permit ip any any access-group INTERNET in interface inside ! Allows all inside hosts to access the outside for any IP traffic The Secondary FWSM Configuration (Example 8) You only need to configure the secondary FWSM to recognize the failover link. The secondary FWSM obtains the context configurations from the primary FWSM upon booting or when failover is first enabled. The preempt commands in the failover group configurations cause the failover groups to become active on their designated unit after the configurations have been synchronized and the preempt delay has passed. Note that you must configure the failover key command on the secondary FWSM so that it can receive the configuration from the primary FWSM. failover failover lan unit secondary failover lan interface faillink vlan 10 failover key MySecretKey failover interface ip faillink 192.168.253.1 255.255.255.252 standby 192.168.253.2 When you enable failover with the failover command, the secondary FWSM obtains the configuration from the primary FWSM. Switch Configuration (Example 8) The following lines in the Cisco IOS switch configuration on both switches relate to the FWSM. For information about configuring redundancy for the switch, see the switch documentation. ... firewall multiple-vlan-interfaces firewall module 1 vlan-group 1 firewall vlan-group 1 4-6,10,11,201,202 interface vlan 201 ip address 10.0.5.3 255.255.255.0 standby 200 ip 10.0.5.4 standby 200 priority 110 standby 200 preempt standby 200 timers 5 15 standby 200 authentication Secret no shutdown interface vlan 202 ip address 10.0.9.3 255.255.255.0 standby 200 ip 10.0.9.4 standby 200 priority 110 standby 200 preempt standby 200 timers 5 15 standby 200 authentication Secret no shutdown interface range gigabitethernet 2/1-3 channel-group 2 mode on switchport trunk encapsulation dot1q no shutdown ... B-30 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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