Configuring Optional Active/Active Failover Settings - 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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Chapter 14
Configuring Failover
Step 2
(Optional) Designate this unit as the secondary unit:
hostname(config)# failover lan unit secondary
Note
Step 3
(Optional) Specify different hostnames for the primary and secondary FWSMs to replace the default
hostname "FWSM" that is assigned to both units.
hostname(config)# hostname primary-hostname secondary secondary-hostname
Step 4
Enable failover:
hostname(config)# failover
After you enable failover, the active unit sends the configuration in running memory to the standby unit.
As the configuration synchronizes, the messages
mate
After the running configuration has completed replication, enter the following command to save the
Step 5
configuration to Flash memory:
hostname(config)# write memory
If necessary, force any failover group that is active on the primary to the active state on the secondary
Step 6
unit. To force a failover group to become active on the secondary unit, enter the following command in
the system execution space on the primary unit:
hostname# no failover active group group_id
The group_id argument specifies the group you want to become active on the secondary unit.
Configuring Optional Active/Active Failover Settings
The following optional Active/Active failover settings can be configured when you are initially
configuring failover or after you have already established failover. Unless otherwise noted, the
commands should be entered on the unit that has failover group 1 in the active state.
This section includes the following topics:
•
•
•
•
Configuring Failover Group Preemption
Assigning a primary or secondary priority to a failover group specifies which unit the failover group
becomes active on when both units boot simultaneously. However, if one unit boots before the other, then
both failover groups become active on that unit. When the other unit comes online, any failover groups
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM
OL-20748-01
The standby IP address must be in the same subnet as the active IP address. You do not need to
identify the standby address subnet mask.
This step is optional because by default units are designated as secondary unless previously
configured otherwise.
and
End Configuration Replication to mate
Configuring Failover Group Preemption, page 14-29
Enabling HTTP Replication with Stateful Failover, page 14-30
Configuring Interface and Unit Poll Times, page 14-30
Configuring Failover Criteria, page 14-30
Beginning configuration replication: Sending to
appear on the active unit console.
Configuring Failover
14-29
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