Command Reference Guide

3Com Router 5000 Family and Router 6000 Family lr percent ● 71
Command Reference
lr percent
Purpose 1Use the lr percent command to configure LR.
Use the
undo lr percent command to disable LR.
Syntax lr percent cir committed-information-rate [ cbs committed-burst-size [
ebs excess-burst-size ] ]
undo lr
Parameters committed-information-rate
CIR in percentages, in the range 1 to 100.
committed-burst-size
CBS in the range 50 to 2000 milliseconds. The default
CBS is 500 milliseconds.
excess-burst-size
EBS in the range 0 to 2000 milliseconds. It defaults to
0, meaning only one token bucket is used for policing.
Default By default, LR is disabled.
Example For the specified behavior, set CIR to 50% of interface bandwidth and CBS to 200
milliseconds. This allows bursty traffic equivalent to 200 milliseconds x 50% of
interface bandwidth to pass at the first time. After that, traffic smaller than or equal
to 50% of interface bandwidth is sent and larger traffic is put in queues.
[3Com ] traffic behavior database
[3Com -behavior-database] lr percent cir 50 cbs 200
View This command can be used in the following views:
■ Traffic Behavior view
Description The CIR, CBS, and EBS in the lr percent command are computed based on
interface or ATM PVC bandwidth. Note that the interface bandwidth discussed here is
computed based on the bandwidth in the
qos max-bandwidth command without
multiplying the maximum reserved-bandwidth percentage. If the computed CIR is
smaller than 8 kbps, it is regarded 8 kbps; if the computed CBS is smaller than 15000
bits, it is regarded 15000 bits.
LR is different from GTS in the sense that the former is functioning at the link layer
whereas the latter is functioning at the IP layer.
Related Command display traffic policy interface