Defines the time in seconds, after which the validity of an IPv6 address expires. Expired addresses are no longer available for new connections.
- SNMP ID:
 - 2.70.2.6.8
 - Console path:
 - Setup > IPv6 > Router-Advertisement > Prefix-Pools
 - Possible values:
 Max. 10 characters from 0123456789
- Default:
 - 2592000