Proroute GEM420 4G M2M Router
GEM420 User Manual
135
1. L2TP Server:
Enable or disable L2TP server function.
2. L2TP over IPSec:
L2TP over IPSec VPNs allow you to transport data over the
Internet, while still maintaining a high level of security to protect data. Enter a
Pre-shared key that system will use it in IPSec tunneling. And when you use some
devices, like Apple related mobile devices, you should also know that key to
establish L2TP over IPSec tunnels.
3. Server Virtual IP:
It is the virtual IP address of L2TP server used in L2TP
tunneling. This IP address should be different from the gateway one and members
of LAN subnet of Business Security Gateway.
4. IP Pool Starting Address:
This device will assign an IP address for each remote
L2TP client. This value indicates the beginning of IP pool.
5. IP Pool Ending Address:
This device will assign an IP address for each remote
L2TP client. This value indicates the end of IP pool.
6. Authentication Protocol:
You can choose authentication protocol as PAP, CHAP,
MS-CHAP, or MS-CHAP v2.
7. MPPE Encryption:
Check the “Enable” box to activate MPPE encryption. Please
note that MPPE needs to work with MS-CHAP or MS-CHAP v2 authentication
method. In the meantime, you also can choose encryption length of MPPE
encryption, 40 bits, 56 bits or 128 bits.
8. Service Port:
Port number of L2TP server service.
3.2.3.3.2 L2TP Server Status
The user name and connection information for each connected L2TP client to the
L2TP server of the Business Security Gateway will be shown in this table.
