These settings are not mergeable. Changes to these settings will require a reboot of the system.
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Field
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Description
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Shared Secret/Confirm Password
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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.
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Total Control Retransmission Interval
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Default = 0. Range = 0 to 65535.
Time delay before retransmission.
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Receive Window Size
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Default = 4. Range = 0 to 65535.
The number of unacknowledged packets allowed.
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Sequence numbers on Data Channel
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Default = On
When on, adds sequence numbers to L2TP packets.
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Add checksum on UDP packets
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Default = On.
When on, uses checksums to verify L2TP packets.
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Use Hiding
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Default = Off
When on, encrypts the tunnel's control channel.
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