R3303-HP 6600/HSR6600 Routers Layer 3 - IP Services Command Reference

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Usage guidelines
If the feature is disabled, the device does not send TTL timeout ICMP packets, but still send "reassembly
timeout" ICMP packets.
Examples
# Enable sending ICMP timeout packets.
<Sysname> system-view
[Sysname] ip ttl-expires enable
ip unreachables enable
Use ip unreachables enable to enable sending ICMP destination unreachable packets.
Use undo ip unreachables to disable sending ICMP destination unreachable packets.
Syntax
ip unreachables enable
undo ip unreachables
Default
Sending ICMP destination unreachable packets is disabled.
Views
System view
Default command level
2: System level
Examples
# Enable sending ICMP destination unreachable packets.
<Sysname> system-view
[Sysname] ip unreachables enable
ip virtual-reassembly
Use ip virtual-reassembly to enable the IP virtual fragment reassembly feature. You can set the maximum
number of fragments per reassembly, the maximum number of concurrent reassemblies, and the timeout
interval of a reassembly.
Use undo ip virtual-reassembly to disable IP virtual fragment reassembly.
Syntax
ip virtual-reassembly [ drop-fragments | max-fragments number | max-reassemblies number | timeout
seconds ] *
undo ip virtual-reassembly
Default
The IP virtual fragment reassembly feature is disabled.
Views
Interface view