Configuring Priority Marking; Configuring Queue Scheduling - Huawei Quidway S3000-EI Series Operation Manual

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