Cisco 7604 Configuration Guide - Page 646
Secondary FWSM System Configuration (Example 6), Switch Configuration (Example 6)
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Failover Example Configurations Appendix B Sample Configurations route outside 0 0 209.165.201.5 1 telnet 10.0.1.65 255.255.255.255 inside 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 Secondary FWSM System Configuration (Example 6) You do not need to configure any contexts, just the following minimal configuration for the system. You must first enable multiple context mode using the mode multiple command. Then enter the activation key to allow more than two contexts using the activation-key command. The mode and the activation key are not stored in the configuration file, even though they do endure reboots. If you view the configuration on the FWSM using the write terminal, show startup, or show running commands, the mode displays after the FWSM Release line (blank means single mode, "" means you are in multiple mode in the system configuration, and means you are in multiple mode in a context). failover lan interface faillink vlan 10 failover interface ip faillink 192.168.253.1 255.255.255.252 standby 192.168.253.2 failover lan unit secondary failover Switch Configuration (Example 6) 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 module 1 vlan-group 1 firewall vlan-group 1 10,11,200-203 interface vlan 200 ip address 209.165.201.1 255.255.255.224 standby 200 ip 209.165.201.5 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 ... Example 7: Transparent Mode Failover The following configuration shows a multiple context mode FWSM with transparent mode contexts in one switch, and another FWSM in a second switch acting as a backup (see Figure B-6). Each context (A, B, and C) monitors the inside interface and outside interface. The secondary FWSM is also in multiple context mode, and has the same software release. B-22 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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