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IV12650: CISCODEVICETELNET AGENT FAILS TO GET THE TOPOLOGY INFOMATION FROM CISCO 2800 SERIES BY 'SHOW MAC-ADDRESS-TABLE'

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APAR status

  • Closed as program error.

Error description

  • Cisco 2800 series routers FDB data can only find by telnet agent
    .
    
    The supported 'show mac-address table' outputs:
    
    # show mac-address-table
    Dynamic Address Count:                 20
    Secure Address (User-defined) Count:   0
    Static Address (User-defined) Count:   0
    System Self Address Count:             46
    Total MAC addresses:                   66
    Maximum MAC addreses:                  2048
    Non-static Address Table:
    Destination Address  Address Type  VLAN  Destination Port
    -------------------  ------------  ----  --------------------
    xxxxxxxxxxxxxx          Dynamic       1     FastEthernet1/0
    xxxxxxxxxxxxxx          Self          1     Vlan1
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/14
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/4
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/3
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/2
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/10
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/7
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/8
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/0
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/0
    xxxxxxxxxxxxxx          Self       4080     Vlan4080
    
    
    For some 2800 devices, the 'show mac-address table' outputs are
    as below:
    
    #sh mac-address-table
    Destination Address  Address Type  VLAN  Destination Port
    -------------------  ------------  ----  --------------------
    xxxxxxxxxxxxxx          Dynamic       1     FastEthernet1/0
    xxxxxxxxxxxxxx          Self          1     Vlan1
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/14
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/4
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/3
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/2
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/10
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/7
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/8
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/0
    xxxxxxxxxxxxxx          Dynamic    4080     FastEthernet1/0
    xxxxxxxxxxxxxx          Self       4080     Vlan4080
    
    
    
    "Dynamic Address Count:" till "Non-static Address Table:" are
    missing, and the logs below appears
    
    CDiscoColumnizer::Columnize() could not find the hdr signature
    in the search field
    ::DownloadFdbShowMacAddressTable() column headers missing
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ITNM-IP 3.8 on all platform                                  *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * The router FDB data can only find by CiscoSwitchTelnet agent *
    * .                                                            *
    *                                                              *
    * The supported 'show mac-address table' outputs:              *
    *                                                              *
    * # show mac-address-table                                     *
    * Dynamic Address Count:                 18                    *
    * Secure Address (User-defined) Count:   0                     *
    * Static Address (User-defined) Count:   0                     *
    * System Self Address Count:             47                    *
    * Total MAC addresses:                   65                    *
    * Maximum MAC addreses:                  2048                  *
    * Non-static Address Table:                                    *
    * Destination Address  Address Type  VLAN  Destination Port    *
    * -------------------  ------------  ----                      *
    * --------------------                                         *
    * ****.****.****          Dynamic       1     FastEthernet1/0  *
    * ****.****.****          Self          1     Vlan1            *
    * ****.****.****          Dynamic    4080     FastEthernet1/13 *
    * ****.****.****          Dynamic    4080     FastEthernet1/3  *
    * ****.****.****          Dynamic    4080     FastEthernet1/4  *
    * ****.****.****          Dynamic    4080     FastEthernet1/2  *
    * ****.****.****          Dynamic    4080     FastEthernet1/11 *
    * ****.****.****          Dynamic    4080     FastEthernet1/6  *
    * ****.****.****          Dynamic    4080     FastEthernet1/7  *
    * ****.****.****          Dynamic    4080     FastEthernet1/0  *
    * ****.****.****          Dynamic    4080     FastEthernet1/0  *
    * ****.****.****          Self       4080     Vlan4080         *
    *                                                              *
    *                                                              *
    * For some routers, the 'show mac-address table' outputs are   *
    * as below:                                                    *
    *                                                              *
    * #sh mac-address-table                                        *
    * Destination Address  Address Type  VLAN  Destination Port    *
    * -------------------  ------------  ----                      *
    * --------------------                                         *
    * ****.****.****          Dynamic       1     FastEthernet1/0  *
    * ****.****.****          Self          1     Vlan1            *
    * ****.****.****          Dynamic    4080     FastEthernet1/13 *
    * ****.****.****          Dynamic    4080     FastEthernet1/3  *
    * ****.****.****          Dynamic    4080     FastEthernet1/4  *
    * ****.****.****          Dynamic    4080     FastEthernet1/2  *
    * ****.****.****          Dynamic    4080     FastEthernet1/11 *
    * ****.****.****          Dynamic    4080     FastEthernet1/6  *
    * ****.****.****          Dynamic    4080     FastEthernet1/7  *
    * ****.****.****          Dynamic    4080     FastEthernet1/0  *
    * ****.****.****          Dynamic    4080     FastEthernet1/0  *
    * ****.****.****          Self       4080     Vlan4080         *
    *                                                              *
    *                                                              *
    * When "Dynamic Address Count:" till "Non-static Address       *
    * Table:" are                                                  *
    * missing, and the logs below appears                          *
    *                                                              *
    * CDiscoColumnizer::Columnize() could not find the hdr         *
    * signature                                                    *
    * in the search field                                          *
    * ::DownloadFdbShowMacAddressTable() column headers missing    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * The fix for this APAR is contained in the following          *
    * maintenance packages:                                        *
    * fix pack | 3.8.0-ITNMIP-FP0007                               *
    ****************************************************************
    

Problem conclusion

  • Problem conclusion: This is caused by the mandatory FDB header
    text parsing rule.
    
    Solution: Remove the check on expected header character such
    space, dash (-), carriage return (\r) or new line (\n). As the
    checking is irrelevant when "Dynamic Address Count:" till
    "Non-static Address Table:" are not part of the FDB header data.
    With this, both FDB data format can be parsed by
    CiscoSwitchTelnet agent.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV12650

  • Reported component name

    TIV NETWK MGR I

  • Reported component ID

    5724S4500

  • Reported release

    380

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-01-04

  • Closed date

    2012-03-15

  • Last modified date

    2012-04-17

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    TIV NETWK MGR I

  • Fixed component ID

    5724S4500

Applicable component levels

  • R380 PSY

       UP

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Document Information

Modified date:
17 April 2012