Contains the IPv4 address of the remote 6in4 gateway.
Note: The 6in4 tunnel is only set up if the gateway can be reached by ping at this address.
    - SNMP ID:
 - 2.70.1.1.3
 - Console path:
 - Setup > IPv6 > Tunnel > 6in4
 - Possible values:
 Max. 16 characters from [0-9].
- Default:
 - empty