Alcatel-Lucent 7450 ESS Series Configuration Manual page 164

Router Interface Commands
number — The maximum number of ICMP redirect messages to send, expressed as a decimal integer.
Parameters
seconds — The time frame, in seconds, used to limit the number of ICMP redirect messages that can
ttl-expired
ttl-expired [number seconds]
Syntax
no ttl-expired
config>router>if>icmp
Context
This command configures the rate that Internet Control Message Protocol (ICMP) Time To Live
Description
(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 the command disables the generation of TTL expired messages.
ttl-expired 100 10 — Maximum of 100 TTL expired message in 10 seconds.
Default
number — The maximum number of ICMP TTL expired messages to send, expressed as a decimal
Parameters
seconds — The time frame, in seconds, used to limit the number of ICMP TTL expired messages that
unreachables
unreachables [number seconds]
Syntax
no unreachables
config>router>if>icmp
Context
This command enables and configures the rate for ICMP host and network destination unreachable
Description
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 seconds parameters by indicating the maximum number of destination unreachable messages that
can be issued on the interface for a given time interval.
Page 164
This parameter must be specified with the time parameter.
10 — 1000
Values
be issued,expressed as a decimal integer.
1 — 60
Values
integer. The seconds parameter must also be specified.
10 — 1000
Values
can be issued, expressed as a decimal integer.
1 — 60
Values
7450 ESS OS Router Configuration Guide