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Forums » CCIE Forums » CCIE Routing & Switching Technical » oscillating ospf loading problem
Latest post 02-11-2010 6:13 AM by CCsec. 6 replies.
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  • 02-06-2010 11:02 PM

    oscillating ospf loading problem

    Reply Contact

    hi all

    I have a strange issue relating to ospf loading of lsa's. ospf process is unstable and continouly pops loading messages on console. any ideas ?


    R5#
    *Mar  1 00:45:24.555: %OSPF-5-ADJCHG: Process 1, Nbr 150.1.6.6 on FastEthernet0/0 from LOADING to FULL, Loading Done
    R5#
    *Mar  1 00:48:01.103: %OSPF-5-ADJCHG: Process 1, Nbr 150.1.6.6 on FastEthernet0/0 from LOADING to FULL, Loading Done
    R5#
    *Mar  1 00:49:39.195: %OSPF-5-ADJCHG: Process 1, Nbr 150.1.6.6 on FastEthernet0/0 from LOADING to FULL, Loading Done
    R5#
    *Mar  1 00:52:19.591: %OSPF-5-ADJCHG: Process 1, Nbr 150.1.6.6 on FastEthernet0/0 from LOADING to FULL, Loading Done
    R5#
    *Mar  1 00:55:06.231: %OSPF-5-ADJCHG: Process 1, Nbr 150.1.6.6 on FastEthernet0/0 from LOADING to FULL, Loading Done
    R5#
    *Mar  1 00:55:42.727: %LDP-5-NBRCHG: LDP Neighbor 150.1.6.6:0 is DOWN
    R5#
    *Mar  1 00:55:50.803: %LDP-5-NBRCHG: LDP Neighbor 150.1.6.6:0 is UP
    R5#
    *Mar  1 00:57:34.243: %OSPF-5-ADJCHG: Process 1, Nbr 150.1.6.6 on FastEthernet0/0 from LOADING to FULL, Loading Done
    R5#
    *Mar  1 00:57:44.443: %OSPF-5-ADJCHG: Process 1, Nbr 150.1.6.6 on FastEthernet0/0 from LOADING to FULL, Loading Done

     

    Thanx
    • Post Points: 35

  • 02-08-2010 7:24 AM In reply to

    Re: oscillating ospf loading problem

    Reply Contact

    Check your layer two.
    • Post Points: 5

  • 02-08-2010 3:20 PM In reply to

    Re: oscillating ospf loading problem

    Reply Contact

    looks like interface bounce. bad cable or so..
    • Post Points: 20

  • 02-10-2010 7:44 AM In reply to

    Re: oscillating ospf loading problem

    Reply Contact

    hi

    Layer 2 is perfect and it was a problem in gns3 environment , so no physical cabling issue might be gns3 related issue.
    • Post Points: 20

  • 02-10-2010 8:53 AM In reply to

    Re: oscillating ospf loading problem

    Reply Contact

    Up until now I haven't faced any bug in GNS. Would be great if you can show up sceanrio and config here and let me give it a try
    • Post Points: 20

  • 02-10-2010 6:17 PM In reply to

    Re: oscillating ospf loading problem

    Reply Contact

    try to reload the switch? seems for me there is some bug when reachability only work for one direction

    (maybe this problem only faced by me)
    • Post Points: 20

  • 02-11-2010 6:13 AM In reply to

    Re: oscillating ospf loading problem

    Reply Contact

    Reloads does solve most GNS3 sepecific (troublshooting) , some time simple shut and no shut saves lot of enery and efforts. I have seen many issues with pix fw neighboring with a router, both devices on same vlan yet they dont reach each other ,afer reload things gets perfect .

    unfortunately I dint saved configs for that senario

     
    • Post Points: 5
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