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Virtual Private Networks (VPN)
1. Log into Digi Remote Manager, or log into the local Web UI as a user with full Admin access
rights.
2. Access the device configuration:
Remote Manager:
a. Locate your device as described in
device.
b. Click the Device ID.
c. Click Settings.
d. Click to expand Config.
Local Web UI:
a. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. Click VPN > NEMO.
The NEMO tunnel is enabled by default. To disable, toggle off Enable.
4. For Home IP address, type the IPv4 address of the NEMO virtual network interface.
5. For Zone, select Internal.
The Internal firewall zone configures the IX40 device to trust traffic going to the tunnel and
allows it through the network.
6. For Home agent server IP address, type the IPv4 address of the NEMO home agent. This is
provided by your cellular carrier.
7. For Key, type the key used to authenticate to the home agent. This is provided by your cellular
carrier.
8. For Home agent SPI, type the Security Parameter Index (SPI) value, which is used in the
authentication extension when registering. This should be normally left at the default setting
of 256 unless your service provider indicates a different value.
9. For Home agent registration lifetime, in seconds, type the number of seconds number of
seconds until the authorization key expires. This is provided by your cellular carrier.
10. For MTU discovery, leave enabled to determine the maximum transmission unit (MTU) size.
If disabled, for MTU, type the MTU size. The default MTU size for LANs on the IX40 device is
1500. The MTU size of the NEMO tunnel will be smaller, to take into account the required
headers.
11. Click to expand Care of address to configure the local WAN interface of the internet facing
network.
a. For Type, select the method to determine the local network interface that is used to
communicate with the peer.
n
IX40 User Guide
If Default route is selected, the network interface that is used will be the same as
the default route.
Use Digi Remote Manager to view and manage your
NEMO
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