Command Reference Guide

3Com Router 5000 Family and Router 6000 Family ip-dscp ● 169
Command Reference
ip-dscp
Purpose Use the ip-dscp command to configure the PVC to carry packets of the specified
priority levels when the DSCP identifier in the IP packet is used to identify the priority
levels of packets.
Use the undo ip-dscp command to remove the configuration.
Syntax ip-dscp { pvc-name [ vpi/vci ] | vpi/vci } { min [ max ] | default }
undo ip-dscp { pvc-name [ vpi/vci ] | vpi/vci }
Parameters pvc-name
PVC name, a case-insensitive string up to 16
characters. It must be unique on an ATM interface and
cannot be any valid VPI/VCI pair. For example, “1/20”
cannot be used as a PVC name. In addition, the PVC
identified by this argument must exist.
vpi/vci
vpi refers to ATM virtual path identifier and is in the
range from 0 to 255. vci refers to ATM virtual channel
identifier and is in the range from 0 to 2047. Usually,
the VCI values from 0 to 31 are reserved for special
purposes and are not recommended. Note that the
PVC identified by this argument must exist.
min
The lowest priority level of IP packets that the specified
PVC carries. It must be in the range from 0 to 63.
max
The highest priority level of IP packets that the
specified PVC carries. It must be in the range from 0 to
63.
default
Specifies that the PVC serves as the default PVC.
Example Configure PVC 1/100 in the PVC group to carry IP packets of priority levels from 0 to
20.
<3Com> system-view
[3Com] interface Atm1/0/0
[3Com-Atm1/0/0] pvc-group 1/100
[3Com-pvc-group-Atm1/0/0-1/100] match dscp
[3Com-pvc-group-Serial1/0/0-123] ip-dscp 1/100 0 20
View This command can be used in the following views:
■ ATM Pvc-Group view