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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 10 Configuring VTP
Understanding How VTP Version 3 Works
Disabling VTP Pruning
To disable VTP pruning, perform this task in privileged mode:
This example shows how to disable VTP pruning in the management domain:
Console> (enable) set vtp pruning disable
This command will disable the pruning function in the entire management domain.
Do you want to continue (y/n) [n]? y
VTP domain Lab_Network modified
Console> (enable)
Displaying VTP Statistics
To display VTP statistics, including the VTP advertisements that are sent and received and VTP errors,
perform this task:
This example shows how to display VTP statistics on the switch:
Console> (enable) show vtp statistics
VTP statistics:
summary advts received 0
subset advts received 0
request advts received 0
summary advts transmitted 7843
subset advts transmitted 4
request advts transmitted 20
No of config revision errors 0
No of config digest errors 0
VTP pruning statistics:
Trunk Join Transmitted Join Received Summary advts received from GVRP PDU
non-pruning-capable device Received
-------- ---------------- ------------- --------------------------- ----------
16/1 75 0 0 0
Console> (enable)
Understanding How VTP Version 3 Works
VTP version 3 differs from earlier VTP versions in that it does not directly handle VLANs. VTP version 3 is
a protocol that is only responsible for distributing a list of opaque databases over an administrative domain.
When enabled, VTP version 3 provides these enhancements to previous VTP versions:
Task Command
Step 1
Disable VTP pruning in the management domain. set vtp pruning disable
Step 2
Verify that VTP pruning is disabled. show vtp domain
Task Command
Display VTP statistics for the switch. show vtp statistics
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