CHAP Challenge Interval (secs): Default = 0 (Disabled), Range = 0 to 99999 seconds.
Sets the period between CHAP challenges. Blank or 0 disables repeated challenges. Some software (such as Windows 95 DUN) does not support repeated challenges.
Header Compression: Default = None
Select header compression. Options are: IPHC and/or VJ.
PPP Compression Mode: Default = MPPC
Select the compression mode for the tunnel connection. Options are: Disable, StacLZS or MPPC.
Multilink / QoS: Default = Off
Enable the use of Multilink protocol (MPPC) on the link.
Incoming traffic does not keep link up: Default = On
When enabled, the link is not kept up when the only traffic is incoming traffic.