IES Service Configuration Commands
Page 750 7750 SR OS Services Guide
The no form of this command disables the generation of icmp redirects on the router interface.
Default redirects 100 10 - maximum of 100 redirect messages in 10 seconds
Parameters number — The maximum number of ICMP redirect messages to send. 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 redirect messages that can be 
issued. 
Values 1 — 60
ttl-expired
Syntax ttl-expired number seconds
no ttl-expired
Context config>service>ies>if>icmp
config>service>ies>sub-if>grp-if>icmp
Description 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
unreachables
Syntax unreachables [number seconds]
no unreachables
Context config>service>ies>if>icmp
config>service>ies>sub-if>grp-if>icmp
Description Enables/disables and 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