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Conference noted::decnis

Title: DEC Network Integration Server (DECNIS)
Notice:Please read note 1 to use this conference effectively
Moderator:MARVIN::WELCH
Created:Wed Sep 18 1991
Last Modified:Thu Jun 05 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:3660
Total number of notes:15082

3288.0. "Unknown Protocol Message Received on CHDLC link." by HGOSPS::KENNETH () Wed Jul 10 1996 06:17

T.RTitleUserPersonal
Name
DateLines
3288.1chdlc is reverse-engineeredMARVIN::RIGBYNo such thing as an alpha betaWed Jul 10 1996 07:1036
3288.2DTF trace data in HGOSPS::RECORD.DATHTSC19::KENNETHMon Jul 15 1996 04:295
3288.3looks like inverse ARP which you shouldn't be usingMARVIN::RIGBYNo such thing as an alpha betaMon Jul 15 1996 07:2536
3288.4Can we omit <protocol> and <dlci>?HGOSPS::KENNETHWed Jul 24 1996 23:3913
3288.5ask in KALI::DEWBRMARVIN::RIGBYNo such thing as an alpha betaThu Jul 25 1996 17:239
3288.6Protocol Field='2000'H can be disabled!ZUR01::SCHNEIDERKurt Schneider, SW-Support ZurichFri Feb 21 1997 10:2169
    re .1 
    
    0x2000,"CDP"  Cisco discovery protocol
    
    This protocol can be disabled global or per interface on de
    DECbrouter90.
    
    In case you get the following event on the DECnis, you might to
    stop the other end sending CDP packets.
    
    Event: Unknown Protocol Message Received from: Node 0:.
    CHDLC Link W622-4-0,
            at: 1997-02-21-16:17:26.124+01:00Iinf
            Protocol Field='2000'H
    
    GBVXBA#show vers
    Cisco Internetwork Operating System Software
    IOS (tm) 3000 Software (IGS-J-L), Version 10.3(8), RELEASE SOFTWARE
    (fc2)
    ..
    GBVXBA#show ?
    ..
      cdp                CDP information
    ..
    GBVXBA#show cdp
    Global CDP information:
            Sending CDP packets every 60 seconds
            Sending a holdtime value of 180 seconds
    
    You can disable CDP global,
    
    GBVXBA#conf t
    Enter configuration commands, one per line.  End with CNTL/Z.
    GBVXBA(config)#no cdp ?
      holdtime  Specify the holdtime (in sec) to be sent in packets
      timer     Specify the rate at which CDP packets are sent (in sec)
      run
    GBVXBA(config)#no cdp run
    GBVXBA(config)#^Z
    GBVXBA#sho cdp
    % CDP is not enabled
    
    or per interface,
    
    GBVXBA(config)#interface serial 1
    GBVXBA(config-if)#no cdp ?
      enable  Enable CDP on interface
    GBVXBA(config-if)#no cdp enable
    GBVXBA(config-if)#^Z
    GBVXBA#write t
    Building configuration...
    ..
    !
    interface Serial1
     no ip address
     no ip route-cache
     decnet cost 10
     no cdp enable    > now you don't get any events on the attached DECnis.
    !
    
    don't forget to save the config,
    
    GBVXBA#write mem
    Building configuration...
    [OK]
    GBVXBA#
    
    Regards
    Kurt