Command Reference Guide

30 ● bump 3Com Router 5000 Family and Router 6000 Family
Command Reference
bump
Purpose Use the bump command to configure the standby PVC that will take over when a
specified PVC goes down.
Use the undo bump command to remove the backup configuration.
Syntax bump { pvc-name [ vpi/vci ] | vpi/vci } grade
undo bump { 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.
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 its valid value range is related to the
interface type. Usually, the VCI values from 0 to 31 are
reserved for special purposes and are not
recommended.
grade
Priority level of the packets assigned to the standby
PVC that will take over for the specified PVC when it
fails. When the Precedence identifier in IP packet or
the EXP field in MPLS packet is used to differentiate
packets, this argument is in the range 0 to 7. When
the DSCP identifier in IP packet is used to differentiate
packets, this argument is in the range 0 to 63.
Default By default, a PVC has no standby PVC configured. When a PVC goes down, the
packets for the PVC to carry will be carried by the PVC specified with the default
keyword. If no PVC is specified with the default keyword, the fundamental PVC (that
is, the PVC used to construct the PVC group) will take over.
Example For PVC group 1/100, configure the PVC carrying packets of priority level 3 to take
over when PVC 1/200 goes down.
<3Com> system-view
[3Com] interface atm1/0/0
[3Com-Atm1/0/0] pvc-group 1/100
[3Com-atm-pvc-group-Atm1/0/0-1/100] bump 1/200 3
View This command can be used in the following views:
■ ATM Pvc-Group view