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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:
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Switch(config)# vtp mode {server | client | transparent}
Switch(config)# vtp version {1 | 2}
Switch(config)# vtp domain <domain>
Switch(config)# vtp password <password>
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VTP pruning can be enabled with vtp pruning.
Verification:
show vtp status
show vtp counters
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