R3721-F3210-F3171-HP High-End Firewalls System Management and Maintenance Command Reference-6PW101

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Default level
2: System level
Parameters
None
Description
Use ip redirects enable to enable sending of ICMP redirection packets.
Use undo ip redirects to disable sending of ICMP redirection packets.
This feature is disabled by default.
Examples
# Enable sending of ICMP redirect packets.
<Sysname> system-view
[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 ip ttl-expires enable to enable sending of ICMP timeout packets.
Use undo ip ttl-expires 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