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Cisco Bug: CSCvi55874 - More descriptive interface status when receive queue is nonempty

Last Modified

Jun 10, 2018

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

8.2(1)

Description (partial)

Symptom:
fc interface goes down or will not come up and the interface status is

<pre>
show interface


fc1/12 is down (Link failure or not-connected)



</pre>

Conditions:
<pre>
slot 1 show hardware internal fcmac port 12 link-status
Enter LINK

Invoked health-check facility for device: F16_mac Port: 12
-----------------------------------------------------------------------------
* Health check for device: F16 Mac Driver  instance (zero based): 6
*
The following information is applicable for port(s): 12
Checking for hardware failure:
Hardware Check passed.
Checking the Tranceiver:
Optical signal is present
CHECKING THE PORT-ENABLE STATE:
  Port is enabled
STATE MACHINE INFORMATION:
Previous Port Event: E_IPS_TMO
Current Port State: IPS_ENABLE_CHK
Previous Speed Event: E_SPEED_E_CLEANUP
Current Speed State: SPEED_STATE_STOP
Previous Link Event: E_LINK_CLEANUP
Current Link State: LINK_DIS
Previous Loop Event: Unknown
Current Loop State: LOOP_DOWN
Hardware Loop State: HW_MON
Loop State read from HW: HW_X_LIP
CHECKING THE SPEED STATE:
Speed configuration completed. Operating-speed is = 4000
CHECKING THE LINK STATUS:
  Waiting for input buffer to empty    <---------------------
PORT CONFIGURATION:
</pre>

Notice Waiting for input buffer to empty
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