Symptom
Unable to configure "ipv4 virtual" address.
RP/0/RSP0/CPU0:ios(config)#show config fail
Tue Aug 11 14:01:38.033 UTC
!! SEMANTIC ERRORS: This configuration was rejected by
!! the system due to semantic errors. The individual
!! errors with each failed configuration command can be
!! found below.
ipv4 virtual address vrf mgmt 192.168.2.72/24
!!% 'CfgMgr' detected the 'fatal' condition 'This configuration has not been verified and can not be accepted by the system.'
end
Conditions
It is happen after back-to-back configuration event below.
RP/0/RSP0/CPU0:ios(config)#no ipv4 virtual address vrf mgmt
RP/0/RSP0/CPU0:ios(config)#commit
Thu Sep 24 19:30:57.138 UTC
RP/0/RSP0/CPU0:ios(config)#ipv4 virtual address vrf mgmt 192.168.2.72/24
RP/0/RSP0/CPU0:ios(config)#commit
Thu Sep 24 19:30:57.931 UTC
Workaround
not to make back to back configuration in short period, increase the time interval between 2 configuration of "no ipv4 virtual " and "ipv4 virtual ", for example, increase it to be >30 seconds.
Further Problem Description
Manually start up ip_smiap process can recover this problem.
process start ip_smiap loc 0/rsp0/cpu0
process start ip_smiap loc 0/rsp1/cpu0