Xiamen Caimore Communication Technology Co.,Ltd
2 F, 37#, Wanghai Road, Software Park 2, Xiamen,China (361009)
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Tel:+86 592 5901215
web: en.caimore.com
43
43
MTU
：
the max data packets which can go through tunnel.
4.3.2 PPTP
PPTP, as a layer 2 protocol
，
is to transmit the PPP data frames sealed in IP data
package through IP network, such as the internet transmission. PPTP can also be used as
the connection between special LAN networks. It uses a TCP connection for tunnel
maintenance, seals the data as PPP data frames and then transmits with GRE technology
through tunnel. It can encrypt or compress loaded data sealed in data frames.
Picture 4-3-2
Server IP
：
Server IP or domain name.
Remote Subnet, Remote Subnet Mask
：
Server LAN information
Username/Password
：
User name and password connected to server.
Protocol
：
pptp finishes ppp password validation format. There are following
authentication way.
Pap
：
adopt Pap, which user name and password are plain text transmitted, and the
safety level is low
Chap:
adopt Chap
MS-Chap: adopt MS-Chap.
MS-Chap-V2: adopt MS-Chap-V2
Any:
Can adopt any one of above mentioned 4 kinds, if there is no special situation,
please adopt this one.
MPPE:
Encryption way, types as following:
NoMppe:
Don’t supply MPPE encryption.
Mppe(40/128):
Supply MPPE function, support MPPE40 and MPPE128 Encryption
