Cisco 10000 Series Configuration Manual page 129
Quality of service configuration guide
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Also See for 10000 Series:
- Configuration manual (370 pages) ,
- Troubleshooting manual (70 pages) ,
- Installation manual (14 pages)
Table of Contents
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Chapter 3
Configuring QoS Policy Actions and Rules
Table 3-4
Action
random-detect precedence precedence
min-threshold max-threshold drop-rate
set atm-clp
set ip dscp dscp-value
set ip precedence {number | name}
set qos-group group-id
OL-7433-09
Policy Map Actions—Releases Prior to Cisco IOS Release 12.0(17)SL (continued)
Cisco 10000 Series Router Quality of Service Configuration Guide
Description
Changes the minimum and maximum packet
thresholds for the precedence level you specify.
precedence is a number from 0 to 7, where 0
typically represents low priority traffic that can be
aggressively managed (dropped) and 7 represents
high priority traffic. For more information, see the
set ip precedence command in this table.
min-threshold is the minimum threshold. Valid
values are from 32 to 16,384 (PRE1) or 1 to 16,384
(PRE2).
max-threshold is the maximum threshold. Valid
values are from 32 to 16,384 (PRE1) or 1 to 16,384
(PRE2).
drop-rate is the drop probability and is a number
from 1 to 65,535. For example, if you set this value
to 256, 1 out of 256 packets is dropped when the
average queue is at the maximum threshold.
Default values for random-detect vary from
Note
release to release. Use the show policy
interface command to view default values.
Sets the cell loss priority (CLP) bit setting.
Configure this command as an output action only.
Marks a packet by setting the IP differentiated
services code point (DSCP) in the type of
service (TOS) byte.
dscp-value is a number from 0 to 63.
Sets the precedence value in the IP header.
number and the corresponding name are listed below
from least important to most important (for
example, 0—routine is the least important and
7—network is the most important).
0—routine, 1—priority, 2—immediate,
3—flash, 4—flash-override, 5—critical
6—internet, 7—network
Sets a group ID that can be used later to classify
packets. Configure this command as an input action
only.
group-id is a number from 0 to 99.
Types of QoS Actions
3-9
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