Disabling Vtp Version 3 On A Per-Port Basis - Cisco WS-C2948G-GE-TX Configuration Manual

Chapter 9 Configuring VTP
No conflicting VTP 3 devices found.
Do you want to continue (y/n) [n]? y
Console> (enable) show vtp domain
Version
Domain Name
Notifications: disabled
Feature
-------------- -------------- ----------- -------------- ----------------------
VLAN
UNKNOWN
Pruning
VLANs prune eligible: 2-1000
Console> (enable)

Disabling VTP Version 3 on a Per-Port Basis

For more information about disabling VTP version 3, see the
Note
section on page
Use the set port vtp mod/port {enable | disable} command to enable or disable VTP on a per-port basis.
This capability might be used on trunks leading to nontrusted hosts. When you disable a port, no VTP
packets are sent on the port, and any VTP packets that are received on the port are dropped. By default,
VTP is enabled and advertisements are received and sent on all trunks.
To disable VTP on a per-port basis, perform this task in privileged mode:
Task
Step 1
Disable VTP on a per-port basis.
Step 2
Verify the change.
This example shows how to disable VTP on a per-port basis and verify the configuration:
Console> (enable) set port vtp 3/1-2 disable
VTP is disabled on ports 3/1-2.
Console> (enable) show port vtp 3
Port
--------
3/1
3/2
3/3
3/4
.
.
.
Console> (enable)
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
: running VTP3
: server
Mode Revision
Primary Server 1
Off
: disabled
9-14.
VTP Status
----------
disabled
disabled
enabled
enabled
Password : configured (hidden)
Switch ID : 00d0.004c.1800
Primary ID Primary Description
00d0.004c.1800
"VTP Version 3 Per-Port Configuration"
Command
set port vtp mod/port {enable | disable}
show port vtp
Configuring VTP Version 3
9-29