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    CCNP BCMSN Notes – VLAN Trunking Protocol

    By Raiy Wong | October 30, 2009

    VTP modes:

         Client – Rely on VLAN information advertised by a server; no local configuration possible

         Server – Have full control over VLAN creation and modification for the VTP domain

         Transparent – Does not participate in VTP but will forward advertisements

    VTP advertisements:

         Summary – Sent every 300 seconds or whenever a change occurs

         Subset – Sent after a summary advertisement when a change occurs; these provide more detail to reflect the change that was made

         Advertisement Request – Issued by clients to request VLAN information

         Pruning Request – Sent from clients to servers to announce active VLANs; inactive VLANs may be pruned from the trunk

    VTP configuration:


         Switch(config)# vtp mode {server | client | transparent}

         Switch(config)# vtp version {1 | 2}

         Switch(config)# vtp domain <domain>

         Switch(config)# vtp password <password>


    VTP pruning can be enabled with vtp pruning.


        show vtp status

        show vtp counters


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    Topics: CCNP, CCNP Notes | No Comments »


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