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Command Reference Guide
match precedence <value>
Use the match precedence command to specify which traffic should be processed by this quality of
service (QoS) map based on the precedence value in the Internet Protocol version 4 (IPv4) and/or Internet
Protocol version 6 (IPv6) header of a packet. Use the no form of this command to discontinue matching.
Variations of this command include:
match precedence <value>
match ip precedence <value>
match ipv6 precedence <value>
Syntax Description
<value>
Default Values
No default values are necessary for this command.
Command History
Release 11.1
Release R10.1.0
Usage Examples
The following example instructs the QoS map named MYMAP to match the precedence value of 5 in either
IPv4 or IPv6 traffic:
(config)#qos map MYMAP 20
(config-qos-map)#match precedence 5
The following example instructs the QoS map named MYMAP to match the precedence value of 5 in IPv4
traffic only:
(config)#qos map MYMAP 20
(config-qos-map)#match ip precedence 5
Technology Review
RFC 791 created a single octet (labeled type of service (ToS) in IPv4 traffic) to help with the difficulty of
trying to provide QoS handling in IP networks. IPv6 headers have an 8-bit traffic class field serving the
same purpose.
60000CRG0-35E
Specifies matching the IP precedence (in numeric value). Valid range is
0 to 7 in ascending order of importance.
Command was introduced.
Command was expanded to include ip and ipv6 parameters to
accommodate IPv4 and IPv6 traffic.
Copyright © 2012 ADTRAN, Inc.
Quality of Service Map Command Set
3282
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