VPRN Services Command Reference
Page 476 7705 SAR OS Services Guide
Parameters number — the maximum number of ICMP TTL-expired messages to send, expressed as a decimal
integer. This parameter must be specified along with the seconds parameter.
Values 10 to 100
seconds — the time, 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 [number seconds]
Context config>service>vprn>if>icmp
Description This command enables and configures the rate of ICMP host and network destination unreachable
messages issued on the router interface.
The unreachables command enables the generation of ICMP destination unreachables on the router
interface. The rate at which ICMP unreachables is issued can be controlled with the 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 unreachable messages is enabled at a maximum rate of
100 per 10-s time interval.
The no form of this command disables the generation of ICMP destination unreachable messages on
the router interface.
Default unreachables 100 10
Parameters number — the maximum number of ICMP unreachable messages to send. This parameter must be
specified along with the seconds parameter.
Values 10 to 100
seconds — the time frame, in seconds, used to limit the number of ICMP unreachable messages that
can be issued
Values 1 to 60
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