changed state to up changed state to down FastEthernet LINEPROTO-5-UPDOWN

Discussion in 'Cisco' started by surrealarmada@gmail.com, Mar 7, 2007.

  1. Guest

    Good evening,

    My LAN management guys are reporting that " interface is down with our
    Cisco switch " . I have checked the log files on the Cisco switch and
    I found the following errors:

    23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    FastEthernet0/6, changed state to up
    23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    FastEthernet0/6, changed state to down
    23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    FastEthernet0/6, changed state to up
    23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    FastEthernet0/6, changed state to down
    23w5d: %LINK-3-UPDOWN: Interface FastEthernet0/6, changed state to
    down
    23w5d: %LINK-3-UPDOWN: Interface FastEthernet0/6, changed state to up
    23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    FastEthernet0/6, changed state to up
    23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    FastEthernet0/6, changed state to down
    23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    FastEthernet0/6, changed state to up
    23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    FastEthernet0/6, changed state to down
    23w5d: %LINK-3-UPDOWN: Interface FastEthernet0/6, changed state to
    down
    23w5d: %LINK-3-UPDOWN: Interface FastEthernet0/6, changed state to up


    The interface is down for few seconds and comes up again multiple
    times.

    Any ideas? Cheers, Rob

     
    , Mar 7, 2007
    #1
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  2. In article <>, writes:
    >
    >Good evening,
    >
    >My LAN management guys are reporting that " interface is down with our
    >Cisco switch " . I have checked the log files on the Cisco switch and
    >I found the following errors:
    >
    >23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    >FastEthernet0/6, changed state to up
    >23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    >FastEthernet0/6, changed state to down
    >23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    >FastEthernet0/6, changed state to up
    >23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    >FastEthernet0/6, changed state to down
    >23w5d: %LINK-3-UPDOWN: Interface FastEthernet0/6, changed state to
    >down
    >23w5d: %LINK-3-UPDOWN: Interface FastEthernet0/6, changed state to up
    >23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    >FastEthernet0/6, changed state to up
    >23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    >FastEthernet0/6, changed state to down
    >23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    >FastEthernet0/6, changed state to up
    >23w5d: %LINEPROTO-5-UPDOWN: Line protocol on Interface
    >FastEthernet0/6, changed state to down
    >23w5d: %LINK-3-UPDOWN: Interface FastEthernet0/6, changed state to
    >down
    >23w5d: %LINK-3-UPDOWN: Interface FastEthernet0/6, changed state to up
    >
    >
    >The interface is down for few seconds and comes up again multiple
    >times.
    >
    >Any ideas? Cheers, Rob


    Bad or loose cable? Invalid settings (duplex mismatch or something the like)?

    Regards,
    Christoph Gartmann

    --
    Max-Planck-Institut fuer Phone : +49-761-5108-464 Fax: -452
    Immunbiologie
    Postfach 1169 Internet: gartmann@immunbio dot mpg dot de
    D-79011 Freiburg, Germany
    http://www.immunbio.mpg.de/home/menue.html
     
    Christoph Gartmann, Mar 7, 2007
    #2
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  3. JF Mezei Guest

    wrote:

    > The interface is down for few seconds and comes up again multiple
    > times.


    I have some nodes which do this when they reboot. First, etherenet comes up
    "default", then the powerup script defines the ethernet port and the port
    temporarily goes down, then as the OS (VMS in my case) comes up, at one point,
    it takes over the ethernet port and it also goes down for a second or two.

    no logging event addr-flap
    carrier-delay 10

    Will help. It basically tells the switch to wait 10 seconds before declaring
    that the ethernet link is down. The first one reduces the number of syslog
    messages being issued.
     
    JF Mezei, Mar 7, 2007
    #3
  4. JF Mezei Guest

    JF Mezei wrote:
    > no logging event addr-flap



    Sorry about that . addr-flap doesn't seem to work. And I can't find a reference
    for it either (although my switch says it supports it.

    SWITCH1(config-if)#logging event ?
    addr-flap Enable and Disable Address Flap messages
    link-status UPDOWN and CHANGE messages
    subif-link-status Sub-interface UPDOWN and CHANGE messages

    Obviously, link-status is the one to really remove it. It seems to generate 2
    messages (LINEPROTO-5 and LINK-3 messages) whenever the link changes.
     
    JF Mezei, Mar 7, 2007
    #4
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