Installation manual

Command Manual - QoS/ACL
Quidway S3000-EI Series Ethernet Switches Chapter 2 QoS Commands
Huawei Technologies Proprietary
2-19
Parameter
inbound: Configures to limit the rate of traffic received via the interface.
user-group { acl-number | acl-name } [ rule rule ]: Specifies a user-defined ACL.
acl-number: Specifies the ACL sequence number, ranging from 5000 to 5999.
acl-name: Specifies the ACL name with a character string starting with English letters
([a-z, A-Z]) and excluding space and quotation mark. rule rule: Specifies a rule of an
ACL, ranging from 0 to 127. If you do not set this parameter, all the rules will be
considered.
ip-group { acl-number | acl-name } [ rule rule ]: Specifies a basic or advanced ACL.
acl-number: Specifies the ACL sequence number, ranging from 2000 to 3999.
acl-name: Specifies the ACL name with a character string starting with English letters
([a-z, A-Z]) and excluding space and quotation mark. rule rule: Specifies a rule of an
ACL, ranging from 0 to 127. If you do not set this parameter, all the rules will be
considered.
link-group { acl-number | acl-name } [ rule rule ]: Specifies a Layer-2 ACL. acl-number:
Specifies the ACL sequence number, ranging from 4000 to 4999, acl-name: Specifies
the ACL name with a character string starting with English letters ([a-z, A-Z]) and
excluding space and quotation mark. rule rule: Specifies a rule of an ACL, ranging
from 0 to 127. If you do not set this parameter, all the rules will be considered.
target-rate: Specifies the normal rate, measured in mbps, ranging from 1 to 100.
exceed action: Specifies the action executed when the traffic exceeds the set rate,
which include:
z drop: Drop the packet;
z remark-dscp value: Set a new DSCP value.
Description
Using traffic-limit command, you can enable ACL traffic identification and perform
limiting the rate of the traffic matching the specified ACL (whose action is permit).
Using undo traffic-limit command, you can cancel the traffic limit.
Example
# Limit rate of the traffic matching the ACL 2000 rules on Ethernet0/1, whose action is
permit. The normal traffic rate is set to 50Mbps. Drop the packets exceeding the traffic.
The local preference of the packets within the traffic range is set to 0.
[Quidway-Ethernet0/1] traffic-limit inbound ip-group 2000 50 exceed drop