Cisco Catalyst 3550 User Manual

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-02
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
l2protocol-tunnel cos
l2protocol-tunnel cos
Use the l2protocol-tunnel cos global configuration command to configure class of service (CoS) value
for all tunneled Layer 2 protocol packets. Use the no form of this command to return to the default
setting.
l2protocol-tunnel cos value
no l2protocol-tunnel cos
Syntax Description
Defaults If a CoS value is configured for data packets for the interface, the default is to use this CoS value for
tunneled Layer 2 protocol packets. If no CoS value is configured for the interface, the default is 5.
Command Modes Global configuration
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
Related Commands
value Specify CoS priority value for tunneled Layer 2 protocol packets. The range
is 0 to 7, with 7 being the highest priority.
Release Modification
12.1(9)EA1 This command was introduced.
Command Description
show l2protocol-tunnel Displays information about ports configured for Layer 2 protocol
tunneling, including CoS.

Cisco Catalyst 3550 Specifications

General

Category	Switch
QoS	Yes
Form Factor	Rack-mountable
Manageable	Yes
RAM	64 MB
Model	Catalyst 3550
Uplink Ports	2 x GBIC (Gigabit Interface Converter) or SFP (Small Form-factor Pluggable)
Layer Support	Layer 3
VLAN Support	Yes
MAC Address Table Size	12000 entries
Routing Protocol	EIGRP
Features	QoS
Operating Temperature	32 to 113°F (0 to 45°C)
Operating Humidity	10 - 95% (non-condensing)
Ports	24 or 48 10/100 ports