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Catalyst 2950 Desktop Switch Software Configuration Guide
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Chapter 15 Configuring VTP
Monitoring VTP
Monitoring VTP
You monitor VTP by displaying VTP configuration information: the domain name, the current VTP
revision, and the number of VLANs. You can also display statistics about the advertisements sent and
received by the switch.
Table 15-3 shows the privileged EXEC commands for monitoring VTP activity.
This is an example of output from the show vtp status privileged EXEC command:
Switch# show vtp status
VTP Version : 2
Configuration Revision : 25
Maximum VLANs supported locally : 250
Number of existing VLANs : 69
VTP Operating Mode : Server
VTP Domain Name : test
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0x59 0xBA 0x92 0xA4 0x74 0xD5 0x42 0x29
Configuration last modified by 0.0.0.0 at 3-1-93 00:18:42
Local updater ID is 10.1.1.59 on interface Vl1 (lowest numbered VLAN interface found)
This is an example of output from the show vtp counters privileged EXEC command:
Switch# show vtp counters
VTP statistics:
Summary advertisements received : 20
Subset advertisements received : 0
Request advertisements received : 0
Summary advertisements transmitted : 11
Subset advertisements transmitted : 0
Request advertisements transmitted : 0
Number of config revision errors : 0
Number of config digest errors : 0
Number of V1 summary errors : 0
VTP pruning statistics:
Trunk Join Transmitted Join Received Summary advts received from
non-pruning-capable device
---------------- ---------------- ---------------- ---------------------------
Table 15-3 VTP Monitoring Commands
Command Purpose
show vtp status Display the VTP switch configuration information.
show vtp counters Display counters about VTP messages that have been sent and received.
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