FD 100/320Gbps NT and FX NT IHub Services Guide Virtual Private Routed Network Service
Issue: 13 3HH-11985-AAAA-TQZZA 481
7.10.5.3 ttl-expired
Table 463 ttl-expired command
7.10.5.4 unreachables
Table 464 unreachables command
Item Description
Syntax ttl-expired [number seconds]
no ttl-expired
Context configure>service>vprn>interface>icmp
Description This command configures the rate Internet Control Message Protocol (ICMP) TTL expired
messages are issued by the IP interface.
By default, generation of ICMP TTL expired messages is enabled at a maximum rate of 100
per 10 second time interval.
The no form of this command disables the limiting the rate of TTL expired messages on the
router interface.
Default ttl-expired 100 10
Parameters number — The maximum number of ICMP TTL expired messages to send, expressed as a
decimal integer. This parameter must be specified with the seconds parameter.
Values: 10 — 1000
seconds — The time frame in seconds used to limit the number of ICMP TTL expired
messages that can be issued, expressed as a decimal integer.
Values: 1 — 60
Item Description
Syntax unreachables [number seconds]
no unreachables
Context configure>service>vprn>interface>icmp
Description This command configures the rate for 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
optional number and time parameters by indicating the maximum number of destination
unreachable messages which 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 10 per 60 second time interval.
The no form of this command disables the generation of icmp destination unreachable
messages on the router interface.
Default unreachables 100 10
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