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Difference between VLAN Tagged and Untagged ...

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  • 1.  Difference between VLAN Tagged and Untagged ...

    Posted Aug 02, 2006 03:43 PM
    What is the difference between the following

    Untagged port
    Tagged port
    Forbid port
    Auto

    I am referring to VLAN config

    Many Thanks!


  • 2.  RE: Difference between VLAN Tagged and Untagged ...

    Posted Aug 02, 2006 06:42 PM
    Hi

    Per-Port VLAN Configuration Options
    Parameter Effect on Port Participation in Designated VLAN
    ------------------------------------------
    **Tagged: Allows the port to join multiple VLANs.
    ------------------------------------------
    **Untagged: Allows VLAN connection to a device that is configured for an untagged VLAN instead of a tagged VLAN. A port can be an untagged member of only one port-based VLAN.
    A port can also be an untagged member of only
    one protocol-based VLAN for any given protocol type.
    For example, if the switch is configured with the default VLAN plus three protocol-based
    VLANs that include IPX, then port 1 can be an untagged member of the default VLAN and one of the protocol-based VLANS.
    ------------------------------------------
    **No: Appears when the switch is not GVRP-enabled; prevents the port from - or - joining that VLAN.
    ------------------------------------------
    **Auto: Appears when GVRP is enabled on the switch; allows the port to
    dynamically join any advertised VLAN that has the same VID
    ------------------------------------------
    **Forbid: Prevents the port from joining the VLAN, even if GVRP is enabled on the switch.

    For more Information, you can refer to :
    ftp://ftp.hp.com/pub/networking/software/6400-5300-4200-3400-AdvTrafficMgmt-Oct2005-Ch-02-VLANs.pdf

    Don't forget to assign Points.

    Good Luck !!!