Cisco Catalyst 4500 Series Software Configuration Guide

17-14
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 17 Configuring VLANs, VTP, and VMPS
VLAN Trunking Protocol
Configuring a VTP Password
To configure the VTP global parameters, use these commands:
This example shows one way to configure a VTP password in global configuration mode:
Switch# configure terminal
Switch(config)# vtp password WATER
Setting device VLAN database password to WATER.
Switch#
This example shows how to configure a VTP password in EXEC mode:
Switch# vtp password WATER
Setting device VLAN database password to WATER.
Switch#
Note The password is not stored in the running-config file.
This example shows how to configure a hidden password:
Switch# configure terminal
Switch(config)# vtp password WATER hidden
Generating the secret associated to the password.
Switch(config)#
This example shows how the password WATER is displayed when it is configured with the hidden
keyword.
Switch# show vtp password
VTP Password: 89914640C8D90868B6A0D8103847A733
Switch#
Command Purpose
Switch(config)# vtp password
password_string [hidden | secret]
Sets a password, which can be from 8 to
64 characters long, for the VTP domain.
In VTP version 3 the keywords hidden and secret
are available.
• If the hidden keyword is used, the secret key
generated from the password string is saved
in the const_nvram:vlan.dat file. If a takeover
command is issued, that password must be
reentered.
• If the secret keyword is used, the password
secret key can be directly configured. The
secret password must contain 32
hexadecimal characters.
Switch(config)# no vtp password
Clears the password.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E