Guest

Preview Tool

Cisco Bug: CSCvv80845 - Static persistent FCID configuration entries get changed to dynamic by switch

Last Modified

Sep 23, 2020

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

8.4(2)

Description (partial)

Symptom:
When static persistent configuration entries verified in the running configuration and show fcdomain fcid persistent vsan 10 get changed to a Dynamic entries in the running-configuration.

<pre>
# show fcdomain fcid persistent vsan 10
Total entries 101.

Persistent FCIDs table contents:
VSAN WWN                     FCID     Mask    Used Assignment Interface
---- ----------------------- -------- ------- ---- ---------- ---------
 10 00:51:00:02:ae:01:00:a8 0xb90000 SINGLE  YES  STATIC     --
 10 01:51:00:02:ae:01:00:a8 0xb90100 SINGLE  YES  STATIC     --
 10 00:51:00:02:ae:01:02:74 0xb90200 SINGLE  YES  STATIC     --
 10 00:11:00:02:ae:01:02:74 0xb90300 SINGLE  YES  STATIC     --
 10 01:11:00:02:ae:01:02:74 0xb90400 SINGLE  YES  DYNAMIC    -- <--- attempt to move to static entry
 10 01:51:00:02:ae:01:02:74 0xb90500 SINGLE  YES  DYNAMIC    --
</pre>

- Bring down all interfaces PWWN can FLOGI in through.
- Remove dynamic entry

<pre>
#no vsan 10 wwn 21:11:00:02:ae:01:c2:74 fcid 0xb90400 dynamic
</pre>
- Configure static entry
<pre>
#vsan 10 wwn 21:11:00:02:ae:01:c2:74 fcid 0xb90400

# show fcdomain fcid persistent vsan 10
Total entries 101.

Persistent FCIDs table contents:
VSAN WWN                     FCID     Mask    Used Assignment Interface
---- ----------------------- -------- ------- ---- ---------- ---------
 10 00:21:00:02:ae:01:00:a8 0xb90000 SINGLE  YES  STATIC     --
 10 01:21:00:02:ae:01:00:a8 0xb90100 SINGLE  YES  STATIC     --
 10 00:21:00:02:ae:01:02:74 0xb90200 SINGLE  YES  STATIC     --
 10 00:01:00:02:ae:01:02:74 0xb90300 SINGLE  NO   STATIC     --
 10 01:01:00:02:ae:01:02:74 0xb90400 SINGLE  NO  STATIC     -- <--- Static entry is now correct
</pre>

- Bring up all ports PWWN can FLOGI in through
<pre>
# show fcdomain fcid persistent vsan 10
Total entries 101.

Persistent FCIDs table contents:
VSAN WWN                     FCID     Mask    Used Assignment Interface
---- ----------------------- -------- ------- ---- ---------- ---------
 10 00:51:00:02:ae:01:00:a8 0xb90000 SINGLE  YES  STATIC     --
 10 01:51:00:02:ae:01:00:a8 0xb90100 SINGLE  YES  STATIC     --
 10 00:51:00:02:ae:01:02:74 0xb90200 SINGLE  YES  STATIC     --
 10 00:11:00:02:ae:01:02:74 0xb90300 SINGLE  YES  STATIC     --
 10 01:11:00:02:ae:01:02:74 0xb90400 SINGLE  YES  DYNAMIC    -- <--- Static entry is now Dynamic
</pre>

Conditions:
Occurs on an MDS 9148S running NX-OS 8.4(2) when a device is logging into multiple interfaces via FLOGI.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.