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### Instruction:
LIBIPPIMDLL-3-ENS_NRS_FAIL
### Response:
(Severity: 3), (Category: IP), (Description: An error occurred during ENS or NRS communication between the PIM and BGP processes. This can occur when the pim bgp producer or the pim mdt safi consumer - -fails to register/unregister with the ENS -fails to create NRS class), (Recommended Action: This indicates a problem with ENS or NRS. Do the following action to check for errors. Copy the error message exactly as it appears on the console or in the system log. Issue the <CmdBold>show pim trace bgp error<noCmdBold> command to gather data that may provide information to determine the nature of the error. If you cannot determine the nature of the error from the error message text or from the <CmdBold>show pim trace bgp error<noCmdBold> output, call your Cisco technical support representative and provide the representative with the gathered information. Copy the error message exactly as it appears on the console or in the system log. Issue the <CmdBold>show mlib trace error<noCmdBold> command to gather data that may provide information to determine the nature of the error. If you cannot determine the nature of the error from the error message text or from the <CmdBold>show mlib trace error<noCmdBold> output, call your Cisco technical support representative and provide the representative with the gathered information. Copy the error message exactly as it appears on the console or in the system log. Issue the <CmdBold>show pim bgp-safi<noCmdBold> command to gather data that may provide information to determine the nature of the error. If you cannot determine the nature of the error from the error message text or from the <CmdBold>show pim bgp-safi<noCmdBold> output, call your Cisco technical support representative and provide the representative with the gathered information. Copy the error message exactly as it appears on the console or in the system log. Issue the <CmdBold>show pim trace mdt bgp<noCmdBold> command to gather data that may provide information to determine the nature of the error. If you cannot determine the nature of the error from the error message text or from the <CmdBold>show pim trace mdt bgp<noCmdBold> output, call your Cisco technical support representative and provide the representative with the gathered information. If the message recurs, copy the error message exactly as it appears on the console or in the system log, call your Cisco technical support representative and provide the representative with the gathered information.)
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