Native VLAN MISMATCH

Discussion in 'Cisco' started by mitra.kama, Jan 7, 2010.

  1. mitra.kama

    mitra.kama

    Joined:
    Jan 7, 2010
    Messages:
    1
    HI...

    i am using two L3 sw at both ends to connect through vlan.
    At one end fa6 is used on vlan 9 and at other end fa14 on vlan 7 is used. but
    i am getting a notification that :

    "NATIVE_VLAN_MISMATCH : Native VLAN mismatch discovered on Fe 6 (9) , with destination Fe 14 (7)"

    pse explain the cause and also suggest me the solution with command.
    which command is to run and at which end.
    mitra.kama, Jan 7, 2010
    #1
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  2. mitra.kama

    bryanpalacios

    Joined:
    Jan 6, 2010
    Messages:
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    Location:
    Guatemala
    can you provide the configuration for the 2 ports please.


    Regards,
    bryanpalacios, Jan 8, 2010
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  3. mitra.kama

    donjohnston

    Joined:
    Jun 28, 2008
    Messages:
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    This is happening because the port on one switch is a member of VLAN 9 and the corresponding port on the other switch is a member of VLAN 7.

    The ports should be members of the same VLAN. If you really need them to be in different VLANs, you can either (A) disable CDP on the ports, (B) disable logging or (C) ignore the messages.
    donjohnston, Jan 15, 2010
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