3com 5500-ei pwr Reference Guide

 

2-8 

z 

drop: Drops the packets. 

z 

remark-dscp value: Sets a new DSCP value for the packets and then forwards the packets. 

Use the traffic-limit command to add the traffic policing action to a QoS profile.  

Use the undo traffic-limit command to remove the traffic policing action from a QoS profile.  

# Add traffic policing action to the QoS profile named a123 to limit the rate of the inbound packets 

sourced from IP address 1.1.1.1 to 128 kbps and drop the packets exceeding 128 kbps.  

<Sysname> system-view 

System View: return to User View with Ctrl+Z. 

[Sysname] acl number 2000 

[Sysname-acl-basic-2000] rule permit source 1.1.1.1 0 

[Sysname-acl-basic-2000] quit 

[Sysname] qos-profile a123 

[Sysname-qos-profile-a123] traffic-limit inbound ip-group 2000 128 exceed drop 

traffic-priority  {  inbound | outbound } acl-rule { {  dscp dscp-value | ip-precedence  { pre-value | 

from-cos } } | cos { pre-value | from-ipprec } | local-precedence pre-value }* 

undo traffic-priority { inbound | outbound } acl-rule 

QoS profile view 

inbound: Performs priority marking on the inbound packets.  

outbound: Performs priority marking on the outbound packets.  

acl-rule: ACL rules to be applied for traffic classification. This argument can be the combination of 

multiple ACLs. For more information about this argument, refer to 

 and 

. Note that the 

ACL rules referenced must be those defined with the permit keyword. 

dscp dscp-value: Sets the DSCP precedence, in the range 0 to 63. You can also provide one of the 

keywords listed in 

 for the dscp-value argument.  

ip-precedence { pre-value | from-cos }: Sets the IP precedence. The pre-value argument ranges from 

0 to 7. You can also provide one of the keywords listed in 

 for the pre-value argument. The 

from-cos keyword specifies to use the 802.1p priority as the IP precedence.  

cos { pre-value | from-ipprec }: Sets the 802.1p priority. The pre-value argument is in the range 0 to 7. 

You can also provide one of the keywords listed in 

 for the pre-value argument. The 

from-ipprec keyword specifies to use the IP precedence as the 802.1p priority.