H3C S5120-SI Series Command Reference

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If the feature is disabled, the device 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.
Examples
# Enable sending of ICMP destination unreachable packets.
<Sysname> system-view
[Sysname] ip unreachables enable
reset ip statistics
Syntax
reset ip statistics
View
User view
Default Level
2: System level

H3C S5120-SI Series Specifications

General

Brand	H3C
Model	S5120-SI Series
Category	Switch
Language	English