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
l2protocol-tunnel cos
l2protocol-tunnel cos
To configure the class of service (CoS) value for all tunneled Layer 2 protocol packets, use the
l2protocol-tunnel cos command. To return to the default value of zero, use the no form of this command.
l2protocol-tunnel cos value
no l2protocol-tunnel cos
Syntax Description
Defaults The default is to use the CoS value that is configured for data on the interface. If no CoS value is
configured, the default is 5 for all tunneled Layer 2 protocol packets.
Command Modes Global configuration mode
Command History
Usage Guidelines When enabled, the tunneled Layer 2 protocol packets use this CoS value.
The value is saved in NVRAM.
Examples This example shows how to configure a Layer 2 protocol tunnel CoS value of 7:
Switch(config)# l2protocol-tunnel cos 7
Switch(config)#
Related Commands
value Specifies the CoS priority value for tunneled Layer 2 protocol packets. The range is 0 to 7,
with 7 being the highest priority.
Release Modification
12.2(18)EW This command was first introduced on the Catalyst 4500 series switch.
Command Description
l2protocol-tunnel Enables protocol tunneling on an interface.
l2protocol-tunnel drop-threshold Sets a drop threshold for the maximum rate of Layer 2
protocol packets per second to be received before an
interface drops packets.
l2protocol-tunnel shutdown-threshold Configures the protocol tunneling encapsulation rate.

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