User guide

9-8 E
XTREME
W
ARE
S
OFTWARE
U
SER
G
UIDE
Q
UALITY OF
S
ERVICE
(Q
O
S)
C
ONFIGURING A
Q
O
S P
ROFILE
Tab le 9-4 lists the commands used to configure QoS.
T
RAFFIC
G
ROUPINGS AND
C
REATING A
Q
O
S P
OLICY
Once a QoS profile is modified for bandwidth and priority, you assign the profile to a
particular traffic grouping. A QoS profile is assigned to a specific traffic grouping to
create a QoS policy. A traffic grouping is a classification of traffic that has one or more
attributes in common.
Table 9- 4: QoS Configuration Commands
Command Description
config ports <portlist> qosprofile <qosprofile> Configures one or more ports to use a
particular QoS profile. Available only in
ingress mode.
config qosprofile <qosprofile> {minbw <percent>}
{maxbw <percent>} {priority <level>} {buffer
<percent>} {<portlist>}
Configures a QoS profile. Specify:
■
minbw — The minimum bandwidth
percentage guaranteed to be available
to this queue for transmission. The
default setting is 0.
■
maxbw — The maximum bandwidth
percentage this queue is permitted to
use for transmission. The default setting
is 100.
■
priority — The service priority for
this queue. Settings include low, normal,
medium, and high. The default setting is
low. Available only in egress mode.
config red drop-probability <percent> Configures the Random Early Detect
(RED) drop-probability. The percentage
range is 0 - 100.
config vlan <name> qosprofile <qosprofile> Allows you to configure a VLAN to use a
particular QoS profile.
create qosprofile <qosprofile> Creates a QoS profile.
delete qosprofile <qosprofile> Deletes a QoS profile.
disable red ports Disables RED on one or all ports.
enable red port <mgmt | portlist> Enables RED on a port.