User guide

3-44 Packet Over SONET Module Installation and User Guide
Configuring the PoS Module
Configuring a QoS Profile
The SONET modules support eight ingress queues and eight egress queues per port.
The scheduling parameters (minimum bandwidth, maximum bandwidth and priority
level) for these queues are controlled by QoS profiles qp1 through qp8, which are
defined using the existing ExtremeWare
config qosprofile command.
This command has been enhanced to allow you to configure more module-specific
parameters on a port-by-port basis, including the ability to customize the QoS profile
parameters for individual ingress or egress queues on a specific SONET port.
The syntax and description of the enhanced
config qosprofile command are
described below.
config red [drop-probability |
low-drop-probability | high-drop-probability]
<percent> {ports <portlist>}
Configures the RED drop probability for a
specified port.
Added keywords for low-drop-probability and
high-drop-probability; added optional keyword
and argument to specify ports.
config red min-threshold <percent>
ports <portlist>
Configures the minimum queue length threshold
for RED operation on the specified PoS ports.
config qosprofile <qosprofile>
{minbw <percent>} {maxbw <percent>}
{priority <level>} {minbuf <percent>}
{maxbuf <percent>} {<portlist>}
{egress | ingress}
Configures a QoS profile.
Added optional egress and ingress keywords.
disable red ports <portlist>
{queue <queue#>}
Disables RED on the specified PoS ports.
Added optional keyword and argument to specify
the queue number.
enable red ports <portlist> {queue <queue#>} Enables RED on the specified PoS ports.
Added optional keyword and argument to specify
the queue number.
show ports info detail Displays detailed system-related information.
Command output enhanced to display RED
configuration information.
unconfig diffserv dscp-mapping
ports <portlist>
Resets the DSCP mapping tables for the
specified PoS ports to their default values.
Table 3-7: QoS-Related Commands (continued)
Command Description