The Secondary Fwsm Configuration (Example 8; Switch Configuration (Example 8 - Cisco 7604 Configuration Manual
Catalyst 6500 series switch and cisco 7600 series router firewall services module configuration guide using the cli
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- Configuration manual (1011 pages) ,
- Installation manual (324 pages) ,
- User manual (98 pages)
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Failover Example 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
interface vlan 202
interface range gigabitethernet 2/1-3
...
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM
B-30
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
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
channel-group 2 mode on
switchport trunk encapsulation dot1q
no shutdown
Appendix B
Sample Configurations
OL-20748-01
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