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Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Command Reference, Cisco IOS Release 15.1(3)MR
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Chapter Cisco MWR 2941 Router Command Reference, Release 15.1(3)MR
set ip precedence (policy-map configuration)
After the IP precedence bits are set, other quality of service (QoS) features, such as Weighted Fair
Queueing (WFQ) and Weighted Random Early Detection (WRED), operate on the bit settings.
The network priorities (or some type of expedited handling) mark traffic through the application of WFQ
or WRED at points downstream in the network. Typically, you set IP precedence at the edge of the
network (or administrative domain); data is queued based on the precedence. WFQ can speed up
handling for certain precedence traffic at congestion points. WRED can ensure that certain precedence
traffic has lower loss rates than other traffic during traffic congestion.
The set ip precedence command is applied when you create a service policy in policy-map configuration
mode. This service policy is not attached to an interface or to an ATM virtual circuit. See the
service-policy command for information on attaching a service policy to an interface.
Examples This example shows how to set the IP precedence to 5 for packets that satisfy the match criteria of the
class map called class1:
Router(config)# policy-map policy1
Router(config-pmap)# class class1
Router(config-pmap-c)# set ip precedence 5
All packets that satisfy the match criteria of class1 are marked with the IP precedence value of 5. How
packets that are marked with the IP-precedence value of 5 are treated is determined by the network
configuration.
Related Commands
6internet
7network
Table 1-10 Value Definitions for IP Precedence
Command Description
policy-map Accesses QoS policy-map configuration mode to configure the QoS policy
map.
service-policy Attaches a policy map to an interface.
show policy-map Displays information about the policy map.
show policy-map
interface
Displays the statistics and the configurations of the input and output
policies that are attached to an interface.
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