Cisco Catalyst 4500 Series Command Reference Guide

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
debug vqpc
debug vqpc
To debug the VLAN Query Protocol (VQP), use the debug vqpc command. To disable the debugging
output, use the no form of this command.
debug vqpc [all | cli | events | learn | packet]
no debug vqpc [all | cli | events | learn | packet]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History
Examples This example shows how to enable all VQP debugging:
Switch# debug vqpc all
Switch#
Related Commands
all (Optional) Debugs all the VQP events.
cli (Optional) Debugs the VQP command-line interface.
events (Optional) Debugs the VQP events.
learn (Optional) Debugs the VQP address learning.
packet (Optional) Debugs the VQP packets.
Release Modification
12.1(13)EW Support for this command was introduced on the Catalyst 4500 series switch.
Command Description
vmps reconfirm (privileged EXEC) Immediately sends VLAN Query Protocol (VQP) queries to
reconfirm all the dynamic VLAN assignments with the
VLAN Membership Policy Server (VMPS).

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