NOTE
As shown in Figure 4-1, RouterA is the AR1200-S and RouterB is an aggregation router. The CIR Value
for Traffic Suppression can be set only on LAN-side Ethernet interfaces of the SRU on theAR1200-S.
Figure 4-1 Network diagram of setting the CIR value for traffic suppression
RouterA
Ethernet 0/0/0
L2 network L3 network
RouterB
Configuration Roadmap
The configuration roadmap is as follows:
l Set the CIR value for traffic suppression on Ethernet 0/0/0.
Data Preparation
To complete the configuration, you need the following data:
l Name of the interface where traffic suppression needs to be configured: Ethernet 0/0/0
l CIR value for broadcast and unknown unicast packets: 100 kbit/s, CIR value for multicast
packets: 200 kbit/s
Procedure
Step 1 Enter the interface view.
<Huawei> system-view
[Huawei] sysname RouterA
[RouterA] interface ethernet 0/0/0
Step 2 Set the CIR value for broadcast packets.
[RouterA-Ethernet0/0/0] broadcast-suppression cir 100
Step 3 Set the CIR value for multicast packets.
[RouterA-Ethernet0/0/0] multicast-suppression cir 200
Step 4 Set the CIR value for unknown unicast packets.
[RouterA-Ethernet0/0/0] unicast-suppression cir 100
Step 5 Verify the configuration.
Run the display flow-suppression interface command to view the traffic suppression
configuration on Ethernet 0/0/0.
[RouterA] display flow-suppression interface Ethernet 0/0/0
storm type rate mode set rate value
-------------------------------------------------------------------------------
unknown-unicast bps cir: 100(kbit/s)
multicast bps cir: 200(kbit/s)
Huawei AR1200-S Series Enterprise Routers
Configuration Guide - Security 4 Traffic Suppression Configuration
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
94
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