Cisco Systems WSC2960XR48FPSI manual Enabling VTP Pruning, File

Configuring VTP

Enabling VTP Pruning

DETAILED STEPS

	Command or Action	Purpose
Step 1	configure terminal	Enters the global configuration mode.
	Example:
	Switch# configure terminal

Step 2 vtp version {1 2 3}

Example:

Switch(config)# vtp version 2

Step 3 end

Example:

Switch(config)# end

Enables the VTP version on the switch. The default is VTP version 1.

Note To return to the default VTP version 1, use the no vtp version global configuration command.

Returns to privileged EXEC mode.

Step 4	show vtp status	Verifies that the configured VTP version is enabled.
	Example:
	Switch# show vtp status
Step 5	copy running-config startup-config	(Optional) Saves the configuration in the startup configuration
		file.
	Example:
	Switch# copy running-config startup-config

Related Topics

VTP Version, on page 22

Enabling VTP Pruning

Pruning increases available bandwidth by restricting flooded traffic to those trunk links that the traffic must use to access the destination devices. You can only enable VTP pruning on a switch in VTP server mode.

With VTP versions 1 and 2, when you enable pruning on the VTP server, it is enabled for the entire VTP domain. In VTP version 3, you must manually enable pruning on each switch in the domain.

Only VLANs included in the pruning-eligible list can be pruned. By default, VLANs 2 through 1001 are pruning-eligible on trunk ports. Reserved VLANs and extended-range VLANs cannot be pruned.

Catalyst 2960-XR Switch VLAN Configuration Guide, Cisco IOS Release 15.0(2)EX1

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