The password for the authentication This is also used to hide the tunnel negotiations, if the function is activated.
- SNMP ID:
 - 2.2.35.7
 - Console path:
 - Setup > WAN > L2TP-Endpoints
 - Possible values:
 Max. 32 characters from #[A-Z][a-z][0-9]@{|}~!$%&'()+-,/:;<=>?[\]^_. `