Here you specify the time in seconds that the client should treat this prefix as "valid".
Anmerkung: If you use a prefix from a WAN interface for dynamic address formation, you cannot configure values for preferred lifetime and valid lifetime. In this case, the device automatically determines the values that apply to the prefix delegated by the provider.
- Telnet path:
- Possible values:
- Maximum 10 characters.
- Default:
- 86400