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Cisco Bug: CSCvv30120 - MDS N7K FCoE CISCO-PFC-EXT-MIB objects returning incorrect values

Last Modified

Sep 03, 2020

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

8.2(1)

Description (partial)

Symptom:
CISCO-PFC-EXT-MIB contains the following:

Object     cpfcIfPriorityRequests
OID     1.3.6.1.4.1.9.9.813.1.2.1.2
Description     "A count of invoked request premitives for a specific
PFC priority of a particular interface."

This should be Tx PFC Pause.

Object     cpfcIfPriorityIndications
OID     1.3.6.1.4.1.9.9.813.1.2.1.3
Description     "A count of the received indication primitives for a specific
PFC priority of a particular interface."

This should be Rx PFC Pause.

Object     cpfcIfPriorityWaitRx
1.3.6.1.4.1.9.9.813.1.4.1.2
Description     "This object indicates the time in microseconds for which
a link is not transmitting data which indicates the port
is in conitnuous pause receiving state."

This should be TxWait.

Object     cpfcIfPriorityWaitTx
OID     1.3.6.1.4.1.9.9.813.1.4.1.3
Description     "This object indicates the time in microseconds for which
a link is not receiving data which indicates the port
is in continuous pause transmitting state."

This should be RxWait.

The MDS and N7K is returning:
1 - The Rx Pause value for cpfcIfPriorityRequests (should be Tx Pause)
2 - The Tx Pause value for cpfcIfPriorityIndications (should be Rx Pause)
3 - The RxWait value for cpfcIfPriorityWaitRx (should be TxWait)
4 - The TxWait value for cpfcIfPriorityWaitTx (should be RxWait)

Conditions:
All using FCoE.
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