Qos [trust cos | default-cos <cos value – ADTRAN 1000R Series User Manual

Page 635

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Command Reference Guide

Ethernet Interface Configuration Command Set

61200510L1-35E

Copyright © 2005 ADTRAN

635

qos [trust cos | default-cos <cos value>]

Use the qos (quality of service) command to set the interface to the trusted state and to set the default cost
of service (CoS) value. To return to defaults, use the no version of this command.

Syntax Description

trust cos

Sets the interface to the trusted state.

default-cos <cos value>

Sets the default CoS value for untrusted ports and all untagged packets

(0 to 7).

Default Values

By default, the interface is untrusted with a default CoS of 0.

Applicable Platforms

This command applies to the NetVanta 300, 1000, and 1000R Series units.

Command History

Release 5.1

Command was introduced.

Functional Notes

Set the interface to trust cos if received 802.1P CoS values are considered valid (i.e., no need to
reclassify) and do not need to be tagged with the default value. When set to untrusted, the default-cos
value for the interface is used.

Usage Examples

The following example sets eth 0/1 as a trusted interface and assigns untagged packets a CoS value of 1:

(config)#interface eth 0/1

(config-eth 0/1)#qos trust cos

(config-eth 0/1)#qos default-cos 1

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