Alcatel-Lucent 7705 Configuration Manual page 131

Router Interface ICMP and ICMPv6 Commands
icmp
Syntax icmp
Context config>router>interface
Description This command enables access to the context to configure Internet Control Message Protocol (ICMP)
parameters on a network IP interface. ICMP is a message control and error reporting protocol that also
provides information relevant to IP packet processing.
mask-reply
Syntax [no] mask-reply
Context config>router>if>icmp
Description This command enables or disables responses to ICMP mask requests on the router interface.
If a local node sends an ICMP mask request to the router interface, the mask-reply command
configures the router interface to reply to the request.
The no form of the command disables replies to ICMP mask requests on the router interface.
Default mask-reply — replies to ICMP mask requests
ttl-expired
Syntax ttl-expired [number seconds]
no ttl-expired
Context config>router>if>icmp
Description This command enables the generation of ICMP Time To Live (TTL) expired messages and configures
the rate that the 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-s
time interval.
The no form of the command disables the generation of TTL expired messages.
Default ttl-expired 100 10 — maximum of 100 TTL expired message in 10 s
7705 SAR OS Router Configuration Guide
IP Router Configuration
131