Alcatel-Lucent 7750 SR OS - Manual (Page 119)

IP Router Configuration
7750 SR OS Router Configuration Guide Page 119
on-link
Syntax [no] on-link
Context config>router>router-advert>if>prefix
Description This command specifies whether the prefix can be used for onlink determination.
Default enabled
preferred-lifetime
Syntax [no] preferred-lifetime {seconds | infinite}
Context config>router>router-advert>if
Description This command configures the remaining length of time in seconds that this prefix will continue to be
preferred, such as, time until deprecation.
The address generated from a deprecated prefix should not be used as a source address in new
communications, but packets received on such an interface are processed as expected.
Default 604800
Parameters seconds — Specifies the remaining length of time in seconds that this prefix will continue to be
preferred.
infinite — Specifies that the prefix will always be preferred. A value of 4,294,967,295 represents
infinity.
valid-lifetime
Syntax valid-lifetime {seconds | infinite}
Description This command specifies the length of time in seconds that the prefix is valid for the purpose of on-
link determination. A value of all one bits (0xffffffff) represents infinity.
The address generated from an invalidated prefix should not appear as the destination or source
address of a packet.
Default 2592000
Parameters seconds — Specifies the remaining length of time in seconds that this prefix will continue to be valid.
infinite — Specifies that the prefix will always be valid. A value of 4,294,967,295 represents infinity.
reachable-time