User guide

Switching Switch command reference
iMG/RG Software Reference Manual (Switching)
2-32
Description This command is used to map an incoming frame with a specific TOS/DiffServ/Traffic
class value in the IP header into one of the four egress queues available on the switch.
To show the current port status, use the SWITCH SHOW PORT command.
Options The following table gives the range of values for each option that can be specified with
this command and a default value (if applicable).
2.2.4.1.42 SWITCH SET QOS PRIORITY
Syntax SWITCH SET QOS <dscpcode> PRIORITY {HIGH | LOW}
Description This command maps the priority levels for Quality of Service.
The six-bit TOS field in the IP header is decoded as 64 entries and for each one it is pos-
sible to specify the priority.
Options The following table gives the range of values for each option that can be specified with
this command and a default value (if applicable).
Example To set the high priority for DSCP values 24 and 37, use the command:
switch set qos 24,37 priority high
Option Description Default Value
dscp_value The value of the TOS/DiffServ/Traffic class field used
to map incoming frames into a well defined outgoing
queue.
Possible values are from 0 to 6.
N/A
queue The name of the egress priority queue where frame
will be forwarded.
Allowed values are:
P0 (lowest priority queue)
P1
P2
P3 (highest priority queue).
P0
Option Description Default Value
dscpcode dscpcode-list is a comma-separate list of numbers in
the range 0-63 which represent the DSCP (Differenti-
ated Service Code Point) value in the most significant 6
bits of the TOS field in IPv4 header.
N/A