Ssl Tunnel - Sierra Wireless AirLink ES440 User Manual

Field
VPN # Type
VPN # Status
Set VPN Policy
VPN Gateway
Address
Remote Address Type
Remote Address
Remote Address -
Netmask
GRE TTL
Rev 1 Nov.14
Figure 6-4: ACEmanager: VPN > VPN1 > GRE Tunnel
See the IPsec table for parameter descriptions.
Description
Options are: Tunnel Disabled or GRE Tunnel. Enabling the GRE Tunnel will expose other
options for configuring the tunnel.
Indicates the status of the GRE tunnel on the device
Options are: Disabled, Connected or Not Connected
Click this button to apply the new settings. The device does not need to be rebooted.
The IP address of the device that this client connects to. This IP address must be open to
connections from the device.
The network information of the GRE server behind the GRE gateway
The IP address of the device behind the gateway
The subnet network mask of the device behind the GRE gateway
Note: Never use a 16-bit subnet mask: GRE tunnel establishment will fail.
GRE time to live (TTL) value is the upper bound on the time that a GRE packet can exist in
a network. In practice, the TTL field is reduced by one on every router hop. This number is
in router hops and not in seconds.

SSL Tunnel

The SSL tunnel allows the device and the server to communicate across a
network securely. SSL provides endpoint authentication and secure
communications over the Internet.
If the SSL tunnel is selected, you can opt to secure remote communications via
SSL.
VPN Configuration
135