Huawei AR1200-S Configuration Manual page 174

Huawei AR1200-S Series Enterprise Routers
Configuration Guide - Security
Figure 7-2 Networking diagram of ICMP security configurations
Configuration Roadmap
The configuration roadmap is as follows:
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Data Preparation
None.
Procedure
Step 1 Configure RouterA to discard specified ICMP packets.
# Configure RouterA to discard ICMP packets with TTL value of 1.
<Huawei> system-view
[Huawei] sysname RouterA
[RouterA] icmp ttl-exceeded drop
# Configure RouterA to discard ICMP packets with options.
[RouterA] icmp with-options drop
# Configure RouterA to discard ICMP destination-unreachable packets.
Issue 02 (2012-03-30)
LSW
user
network
Configure RouterA to discard ICMP packets with the TTL value of 1.
Configure RouterA to discard ICMP packets with options.
Configure RouterA to discard ICMP destination-unreachable packets.
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RouterB
RouterA
Enterprise
7 ICMP Security Configuration
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