R3166-R3206-HP High-End Firewalls System Management and Maintenance Command Reference-6PW101

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[Sysname] ip redirects enable
ip ttl-expires enable
Syntax
ip ttl-expires enable
undo ip ttl-expires
View
System view
Default level
2: System level
Parameters
None
Description
Use the ip ttl-expires enable command to enable sending of ICMP timeout packets.
Use the undo ip ttl-expires command to disable sending of ICMP timeout packets.
Sending ICMP timeout packets is disabled by default.
If the feature is disabled, the firewall will not send TTL timeout ICMP packets, but still send “reassembly
timeout” ICMP packets.
Examples
# Enable sending of ICMP timeout packets.
<Sysname> system-view
[Sysname] ip ttl-expires enable
ip unreachables enable
Syntax
ip unreachables enable
undo ip unreachables
View
System view
Default level
2: System level
Parameters
None
Description
Use the ip unreachables enable command to enable sending of ICMP destination unreachable packets.
Use the undo ip unreachables command to disable sending of ICMP destination unreachable packets.
Sending ICMP destination unreachable packets is disabled by default.