IP Router Command Reference
132 7705 SAR OS Router Configuration Guide
Parameters number — the maximum number of ICMP TTL expired messages to send, expressed as a decimal
integer. The seconds parameter must also be specified.
Values 10 to 100
seconds — the interval, in seconds, used to limit the number of ICMP TTL expired messages that
can be issued, expressed as a decimal integer
Values 1 to 60
unreachables
Syntax unreachables [number seconds]
no unreachables
Context config>router>if>icmp
Description This command enables the generation of ICMP host and network destination unreachable messages on
the router interface. The rate at which ICMP unreachables is issued can be controlled with the optional
number and seconds parameters by indicating the maximum number of destination unreachable
messages that can be issued on the interface for a given time interval.
By default, generation of ICMP destination unreachables messages is enabled at a maximum rate of
100 per 10-s time interval.
The no form of the command disables the generation of ICMP destination unreachables on the router
interface.
Default unreachables 100 10 — maximum of 100 unreachable messages in 10 s
Parameters number — the maximum number of ICMP unreachable messages to send, expressed as a decimal
integer. The seconds parameter must also be specified.
Values 10 to 100
seconds — the interval, in seconds, used to limit the number of ICMP unreachable messages that
can be issued, expressed as a decimal integer
Values 1 to 60
icmp6
Syntax icmp6
Context config>router>if>ipv6
Description This command enables the context to configure ICMPv6 parameters on an interface.
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