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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 23 Configuring Redundancy
MSFC Redundancy
Step 7 On the active MSFC, enter the write memory command to ensure that the standby MSFC startup
configuration gets the boot information.
Step 8 Enter the reload command to reload the standby MSFC.
Step 9 Enter the show redundancy command on the active and standby MSFCs to ensure that both have the
following configuration statement:
Single Router Mode RuntimeStatus: enabled
Step 10 Enter the reload command to reload the active MSFC.
Both MSFCs are now running the c6msfc2-jsv-mz.9E image.
Getting Out of Single Router Mode
Note If you saved a copy of the running configuration that was used in dual router mode before configuring
SRM redundancy, you do not need to use the procedure in this section. To get out of SRM redundancy
and back to dual router mode, enter the copy bootflash:nosrm_dual_router_config startup-config
command on both MSFCs. After the configurations are copied, reload the MSFCs using the reload
command.
To get out of SRM, perform these steps:
Step 1 On the designated router, disable SRM by entering the no form of the command as follows:
Router(config)# redundancy
Router(config-r)# high-availability
Router(config-r-ha)# no single-router-mode
Step 2 Enter the write memory command on the designated router and nondesignated router.
Step 3 Enter the show startup-config command on the designated and nondesignated routers to ensure that
“single-router mode” is not in the startup configuration.
Step 4 Enter the reload command to reload the designated router and nondesignated router.
SRM is now disabled on the designated router and nondesignated router.
Manual-Mode MSFC Redundancy
Note Manual-mode MSFC redundancy will be supported until December 2002 due to the release of supervisor
engine software release 6.3(1), which contains the feature SRM. We recommend that you use SRM rather
than manual-mode MSFC redundancy to attain the automatic Layer-3 failover capabilities in addition to
unlimited support of the feature.
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