Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 1 Traffic Policing and Shaping Configuration
Commands
3Com Corporation
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Parameter
inbound: Limits rate for the packets received by the interface.
outbound: Limits rate for the packets sent by the interface.
any: Limits rates for all packets that match any rules.
acl acl-number: Limits the rate of packets matching the ACL, with acl-number ranging
2000 to 3999.
carl carl-index: Limits the rate of packets matching the CARL, with carl-index ranging 1
to 199.
cir committed-information-rate: Committed Information Rate(CIR), in the range of 8000
to 155,000,000 bps. It should not exceed CBS x 20.
cbs committed-burst-size: Committed Burst Size (CBS), in the range of 15000 to
155000000 bits.
ebs excess-committed-burst-size: Excess Burst Size (EBS), in the range of 0 to
155000000 bits.
green: Action taken on the packets when the traffic rate conform to CIR.
red: Action taken on the packets when the traffic rate does not conform to CIR..
action: Action taken on a packet, which can be:
z continue: Has it to be dealt with by the next CAR policy.
z discard: Dicards the packet.
z pass: Sends the packet.
z remark-prec-continue new-precedence: Remarks the packet with a new IP
priority and hands it over to the next CAR policy. It ranges from 0 to 7.
z remark-prec-pass new-precedence: Remarks the packet with a new IP priority
and forwards the packet. It ranges from 0 to 7.
z remark-mpls-exp-continue new-mpls-exp: Remarks the received packet with a
new MPLS EXP value in the range 0 to 7 and hands it over to the next CAR policy.
z remark-mpls-exp-pass new-mpls-exp: Remarks the received packet with a new
MPLS EXP value in the range 0 to 7 and forwards it to the destination.
Description
Use the qos car command to implement TP policy on an interface.
Use the undo qos car command to remove a certain TP policy at the interface.
This command only applies to IP packets.
You can configure several CAR policies by using the command for several times. And
the executing order of the policies depends on the configuration order.