Caimore CM530-8 Series User Manual page 40

 Server: IP address or domain of PPTP server.
 Remote Subnet / Remote Mask: Intranet information on server side.
 Protocol: The way of PPTP to perform PPP authentication --
Pap: in this way, username and password are transmitted in clear text, the security level
of it is low.
Chap
MS-Chap
MS-Chap-V2
Any: it will take one of four approaches to verify.
 MPPE: Way to encrypt --
NoMppe: No encryption.
Mppe-(40|128)
Mppe-StateFul
 Add Default Route: If it's checked, then all the data passing through the router will be
sent to PPTP tunnel. Also means, all the devices connected to the router are only allowed
to access external network through PPTP tunnel.
 NAT: If it's checked, the devices connected to the router can access PPTP server through
the tunnel. If not, then these devices only can access server via Internet.
 Specify Local IP / Specify Peer IP: If PPTP server allows it, router can specify a local
tunnel IP address.
 Tunnel Check Interval / Tunnel Check Times: After tunnel is built, in order to check
tunnel state, router will send LCP packet to server in every tunnel check interval. When
the number of tunnel-checking failures over the value of "Tunnel Check Times", router
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