Use these commands to configure the MSFC for SRM with SSO operation.

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NOTE:
The sso keyword is supported in Release
12.2(17b)SXA and later releases.
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Configure the MSFCs for SRM with SSO
Enable SRM on the
designated router first, and then enable SRM on the nondesignated router as
follows:
Router>enable
Router#configure
terminal
Enter configuration commands,
one per line. End with CNTL/Z.
Router(config)#redundancy
Router(config-red)#mode
sso
Router(config-red)#end
Verify SRM Configuration and Operation
This command will verify
that SRM with SSO has been configured correctly on each MSFC3.

Switch#show running-config
This
command will verify that SRM with SSO is currently operational on the
MSFC3:
Switch#show redundancy
states
Router#show redundancy
states
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NOTE:
Enter the copy running-config command on the
designated router to ensure that the nondesignated router startup configuration
has SRM enabled.
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CAUTION:
Before going from Dual Router Mode (DRM) to SRM redundancy, Cisco
recommends that you use the copy running-config command on
the MSFCs to save the non-SRM configuration to boot flash memory. When going to
SRM redundancy, the alternative configuration (the configuration following the
alt keyword) is lost. Therefore, before enabling SRM
redundancy, save the DRM configuration to boot flash memory by entering the
following command on both MSFCs: copy running-config
bootflash:nosrm_dual_router_config.
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