Cisco 6500 Cosmetic bugs

Ever had this error before on a Cisco 6500 catalyst?

6500#  sh module
Mod Ports Card Type                              Model              Serial No.
--- ----- -------------------------------------- ------------------ -----------
  1    5  Supervisor Engine 720 10GE (Active)    VS-S720-10G        SAL-------
  2   48  48-port 10/100/1000 RJ45 EtherModule   WS-X6148A-GE-TX    SAL---------
  3   48  CEF720 48 port 1000mb SFP              WS-X6748-SFP       SAL----------

Mod MAC addresses                       Hw    Fw           Sw           Status
--- ---------------------------------- ------ ------------ ------------ -------
  1  001d.45e1.ed48 to 001d.45e1.ed4f   2.0   8.5(2)       12.2(33)SXH1 Ok
  2  001f.9ec6.7d70 to 001f.9ec6.7d9f   1.6   8.4(1)       8.7(0.22)BUB Ok
  3  001b.d4ec.ab60 to 001b.d4ec.ab8f   1.12  12.2(14r)S5  12.2(33)SXH1 Ok

Mod  Sub-Module                  Model              Serial       Hw     Status
---- --------------------------- ------------------ ----------- ------- -------
  1  Policy Feature Card 3       VS-F6K-PFC3C       SAL----------  1.0    Ok
  1  MSFC3 Daughterboard         VS-F6K-MSFC3       SAL----------  1.0    Ok
  3  Centralized Forwarding Card WS-F6700-CFC        SAL----------  3.1    Ok

Mod  Online Diag Status
---- -------------------
  1  Minor Error
  2  Pass
  3  Pass

Issue the following command to see what is the cause of the Minor alarm:

6500# sh diagnostic result module 1 detail

   35) TestUnusedPortLoopback:

      Port  1  2  3  4  5
      -------------------
            F  U  .  U  U

         Error code ------------------> 25 (DIAG_PORT_SPEED_CFG_ERROR)
         Total run count -------------> 468
         Last test execution time ----> May 24 2011 12:12:59
         First test failure time -----> May 07 2011 14:22:53
         Last test failure time ------> May 24 2011 12:12:59
         Last test pass time ---------> May 07 2011 14:21:52
         Total failure count ---------> 194
         Consecutive failure count ---> 194

The TestUnusedPortLoopback test verifies the data path between the supervisor engine and the network ports of a module in the runtime periodically. The TestUnusedPortLoopback test verifies the data path between the supervisor engine and the network ports of a module in the runtime periodically. In this test, a Layer 2 packet is flooded onto the VLAN which only the test port and the supervisor’s inband port are part
of. The packet loops back in the port and returns to the supervisor on that same VLAN. It’s similar to TestLoopback but only runs on unused (admin down) network ports and only one unused port per port ASIC. It serves to substitute the lack of nondisruptive loopback test in current ASICs. The test runs every 60 seconds.

It is a Nondisruptive test health-monitoring .

This indicates that this issue is related to port 1 on module 1, i.e. Gi1/1. This is a cosmetic bug, the details are available here: Bug ID: CSCso32839

By unshutting and leaving the port unshut, the alarm is cleared.

6500(config)#int gi1/1
6500(config-if)#shut
6500(config-if)#^Z
6500l#sh mod | b Online
Mod  Online Diag Status
---- -------------------
  1  Pass
  2  Pass
  3  Pass

The following link is a great guide for troubleshooting hardware problems on the Cisco 6500.

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