Installation manual

Operation Manual - QoS/ACL
Quidway S3000-EI Series Ethernet Switches Chapter 2
QoS Configuration
Huawei Technologies Proprietary
2-7
 Note:
The con redirection only takes effects o ith action permit. figuration of n the rules w
For details about the comma
2.2.6 Conf
The priority marking configur iority for the packets matching
e ACL. The new priority can be filled in the priority field of the packet header.
Perform the following configuration in system view.
nd, refer to the Command Manual.
iguring Priority Marking
ation is a policy to tag the pr
th
You can use the following command to configure the priority marking.
Table 2-6 Tag packet priority
Operation Command
Mark the
-name } [ rule rule ]
rule ] | link-group
{ acl-number | acl-name } [ rule rule ] }* } { { dscp dscp-value |
{ pre-value | from-cos } } | cos { pre-value |
from-ipprec } | local-precedence pre-value }*
packet priority
ip-precedence
traffic-priority { user-group { acl-number | acl
| { ip-group { acl-number | acl-name } [ rule
Cancel the
packet priority
marking
undo traffic-priority { user-group { acl-number | acl-name } [ rule
rule ] | { ip
{ acl-num
-group { acl-number | acl-name } [ rule rule ] | link-group
ber | acl-name } [ rule rule ] }* }
Ethernet Switch support a function to tag the packets with IP precedence (specified by
command), DSCP (specified by dscp in the
traffic-priority command) or 802.1p preference (specified by cos in the traffic-priority
command). You packets with different prioriti ments on QoS
p ts into corr ues according to the
8 ce local-precedence in the
tra nd local preference have
een specified in the traffic-priority command, the switch will put the packets into
ails about the command, refer to the Command Manual.
2.2.7 Con
d to resolve the problem that multiple messages
compete for resource when the network congestion happens. The queue scheduling
. The mapping relationship between 802.1p priority and output queue of the port
is as followed table.
ip-precedence in the traffic-priority
can tag the es at require
olicy. The switch puts the packe esponding egress que
02.1p preference or the local preferen
ffic-priority command). If both the 802.1p prefere
(specified by
nce a
b
corresponding queues according to the 802.1p preference first.
For det
figuring Queue Scheduling
Queue scheduling is commonly use
function put the packet to output queue of the port according to 802.1p priority of the
packet