Switch 7700 Configuration Guide

152 CHAPTER 7: QOS/ACL OPERATION
Configure Which Priority is Used for Queue Scheduling You can use the
following command to configure which priority is used for queue scheduling.
Perform the following configuration in system view.
By default, the switch chooses the local preference as the basic priority.
Configure the Queue Mode of the Switch Port Perform the following
configuration in Ethernet Port view.
By default, the switch chooses the mode 0.
Configure the RED Operation
The function of the RED Operation is to avoid congestion in advance.
Perform the following configuration in Ethernet port view.
For details about the command, refer to the “3Com Command Reference Guide”.
Configure Bandwidth Assurance
Bandwidth Assurance guarantees bandwidth for specified traffic.
Perform the following configuration in Ethernet port view.
Tab le 12 Configure which Priority is Used for Queue Scheduling
Operation Command
Configure which priority is
used for queue scheduling
priority-trust { dscp | ip-precedence | cos |
local-precedence }
Tab le 13 Configure the Queue Mode of the Switch Port
Operation Command
Configure the Queue Mode of
the Switch Port
queue-scheduler { 0 | 1 | 2 }
Restore the default Queue
Mode of the Switch Port
undo queue-scheduler
Tab le 14 Configure RED Operation
Operation Command
Configure RED Operation traffic-red outbound { ip-group { acl-number | acl-name } [
rule rule ] | link-group { acl-number | acl-name } [ rule rule ] }
qstart qstop probability
Cancel the configuration of
RED Operation
undo traffic-red outbound { ip-group { acl-number |
acl-name } [ rule rule ] | link-group { acl-number | acl-name }
[ rule rule ] }
Tab le 15 Configure Bandwidth Assurance
Operation Command
Configure bandwidth
assurance.
traffic-bandwidth outbound { ip-group { acl-number |
acl-name } [ rule rule ] | link-group { acl-number | acl-name }
[ rule rule ] } min-guaranteed-bandwidth max-guaranteed-
bandwidth weight