3com 10014302 Manual De Usuario

Descargar
Página de 101
1.33  wred ip-precedence 
Syntax 
wred ip-precedence 
value low-limit low-limit high-limit high-limit 
[ discard-probability discard-prob ] 
undo 
wred ip-precedence value 
 
View 
Policy-class view 
Parameter 
value: Precedence of IP packets in the range of 0 to 7. 
low-limit: Lower threshold value in the range of 1 to 1024. It is 10 by default. 
high-limit: Upper threshold value in the range of 1 to 1024. It is 30 by default. 
discard-prob: Denominator of drop proportion in the range of 1 to 255. It is 10 by 
default. 
Description 
Using  wred ip-precedence command, you can set precedence lower-limit, 
upper-limit and drop proportion denominator of WRED. Using undo wred 
ip-precedence command, you can remove the configuration. 
This command can be used only after the wred  command has been used to enable 
WRED drop mode based on DSCP.
 The configuration of wred  will be deleted if the 
configuration of qos wred is deleted. 
The configuration of drop parameters will be deleted if af is deleted. 
For the related command, see qos policy, qos-class
Example 
Set lower-limit to 20, upper-limit to 40 and discard probability to 15 for the packet with 
the precedence 3. 
[3Com] qos policy 3Com
 
[3Com-qospolicy-3Com] qos-class database
 
[3Com-qospolicy-c-3Com database] wred
 
[3Com-qospolicy-c-3Com database] wred ip-precedence 3 low-limit 20 high-limit 
40 discard-probability 15
 
3Com Router Command Reference Guide Addendum for V1.2
33