Note: The service internal command is to generate additional logging messages. This mode is mainly used by the Cisco Technical Support and DE in order to investigate issues on the switch, in engineering mode.
This example is the result of the show fabric fpoe map command. From the output, you can identify that the module in slot 12 causes the error message.
switch#show fabric fpoe map
slot channel fpoe
12 0 14 <<
There are also related errors in the show fabric channel-counters output:
In order to take advantage of the redesigned fabric-channel monitoring mechanism, you can also upgrade to Cisco IOS Software Release 12.2(18)SXE5 or Cisco IOS Software Release 12.2(18)SXF3 or later, which is available for download on the Cisco Downloads page.
For further assistance, use the TAC Service Request in order to open a case with Cisco Technical Support.