SMC Networks TigerSwitch 100 User Manual

Page 298

Advertising
background image

C

OMMAND

L

INE

I

NTERFACE

3-154

Default Setting

This switch supports Class of Service by using four priority queues,
with Weighted Round Robin for each port. Eight separate traffic classes
are defined in IEEE 802.1p. The default priority levels are assigned
according to recommendations in the IEEE 802.1p standard as shown
in the following table.

Command Mode

Interface Configuration (Ethernet, Port Channel)

Command Usage

CoS assigned at the ingress port is used to select a CoS priority at the
egress port.

Example

The following example shows how to map CoS values 0, 1 and 2 to CoS
priority queue 0, value 3 to CoS priority queue 1, values 4 and 5 to CoS
priority queue 2, and values 6 and 7 to CoS priority queue 3:

Queue

1

2

3

4

Priority

0

1
2

3

4
5

6
7

Console(config)#interface ethernet 1/1
Console(config-if)#queue cos-map 0 0 1 2
Console(config-if)#queue cos-map 1 3
Console(config-if)#queue cos-map 2 4 5
Console(config-if)#queue cos-map 3 6 7
Console(config-if)#

Advertising