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Cisco Bug: CSCsy82511 - Fix show module provision switch display and card insertion event issue.

Last Modified

Sep 27, 2015

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

12.2(32.8.9)YCA246.10 12.2SXI

Description (partial)

Symptom:
1. "show module provision switch" cli displays unsupported modules when
they are inserted in the slots. 

2.  CLI to remove the module provisioning slot from database also removes
the entry even when linecard is present in the slot.

Two corner cases::
1. When inserting different card type to slot that earlier has existing
module provisioning information , the new card information
 is not maintained if user does not issue command to save it to startup-config.
Configuration could be lost for this newly inserted card after reload,
especially for standby switch linecards.

2. Same situation like 2, but it only happens during booting up of standby switch
when the slot earlier was a VSL configured linecard and config is dirty 
on the active switch(by just entering config mode).  A unnecessary 
VSL running-config mismatch condition would occur.  VSS system will go
into RPR mode.
Conditions:
1. The symptom would occur when issuing this command in VSS system
when unsuppported VSS modules are in the slots.

2. When issuing these commands when linecard(s) is(are) present in the slot.:
  a) no module provision switch <1|2>
  b)  Under module provisioning switch command, issue subcommand, for example:
       no slot  2 slot-type 227 port-type 60 number 8  virtual-slot 33

Corner cases:
1. The symptom would occur, for example, with the following sequence
of operations:
   a)  Replace a linecard in the slot on the standby switch with a different type of linecard.
   b)  Apply configuration to the new linecard.
   c)  For some reasons, remove the linecard from the slot.
   d)  Save configuration to startup-config.
   e)  Reload the VSS system.
   f)   Configuration for that standby slot will get parser error when VSS comes up again.
   g)  Need to insert the card back and  bringup that switch as active switch as a workaround.

2. On the standby switch, replace a VSL configured linecard with a different card type.
Only bring up VSS active switch first, enter configuration mode.   Then bringp standby switch.
VSS system will come up in RPR mode due to running-config mismatch
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