Cisco 7604 Configuration Guide - Page 556
Upgrading an Active/Standby Failover Pair to a New Maintenance Release, write memory all
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Upgrading Failover Pairs Chapter 24 Managing Software, Licenses, and Configurations Upgrading an Active/Standby Failover Pair to a New Maintenance Release To upgrade two units in an Active/Standby failover configuration to a new maintenance release, perform the following steps. Step 1 Step 2 Step 3 Step 4 Download the new software to both units. See the "Installing Application Software from the FWSM CLI" section on page 24-3. Ensure that the secondary unit has a configuration saved to memory by entering the following command: secondary(config)# write memory The saved configuration will load when you restart the secondary unit. This step is useful if the primary unit fails to start up correctly. In multiple context mode, enter the write memory all command from the system execution space. This command saves all context configurations to which the FWSM has write access. Reload the standby unit to boot the new image by entering the following command on the active unit: primary# failover reload-standby When the standby unit has finished reloading, and is in the Standby Ready state, force the active unit to fail over to the standby unit by entering the following command on the active unit. Note Use the show failover command to verify that the standby unit is in the Standby Ready state. Step 5 Step 6 primary# no failover active Reload the former active unit (now the new standby unit) by entering the following command: primary# reload (Optional) When the new standby unit has finished reloading, and is in the Standby Ready state, return the original active unit to active status by entering the following command: primary# failover active Upgrading an Active/Active Failover Pair to a New Maintenance Release To upgrade two units in an Active/Active failover configuration to a new maintenance release, perform the following steps. Step 1 Step 2 Download the new software to both units. See the "Installing Application Software from the FWSM CLI" section on page 24-3. Ensure that the secondary unit has a configuration saved to memory by entering the following command: secondary(config)# write memory The saved configuration will load when you restart the secondary unit. This step is useful if the primary unit fails to start up correctly. In multiple context mode, enter the write memory all command from the system execution space. This command saves all context configurations to which the FWSM has write access. 24-10 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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