Last Updated : Aug 30, 2026 |
Navigation: Tunnel | L2TP
Prolog information
Resource Id: L2TP_L2TP:25157
These settings are not mergeable. Changes to these settings will require a reboot of the system.
Field
Description
Shared Secret/Confirm Password
User setting used for authentication. Must be matched at both ends of the tunnel. This password is separate from the PPP authentication parameters defined on the L2TP|Tunnel tab.
Total Control Retransmission Interval
Default = 0. Range = 0 to 65535.
Time delay before retransmission.
Receive Window Size
Default = 4. Range = 0 to 65535.
The number of unacknowledged packets allowed.
Sequence numbers on Data Channel
Default = On
When on, adds sequence numbers to L2TP packets.
Add checksum on UDP packets
Default = On.
When on, uses checksums to verify L2TP packets.
Use Hiding
Default = Off
When on, encrypts the tunnel's control channel.