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Virtual Private Networks (VPN)
The NEMO tunnel is enabled by default. To disable:
(config vpn nemo nemo_example)> enable false
(config vpn nemo nemo_example)>
4. Set the IPv4 address of the NEMO virtual network interface:
(config vpn nemo nemo_example)> home_address IPv4_address
(config vpn nemo nemo_example)>
5. Set the IPv4 address of the NEMO home agent. This is provided by your cellular carrier.
(config vpn nemo nemo_example)> home_agent IPv4_address
(config vpn nemo nemo_example)>
6. Set the key used to authenticate to the home agent. This is provided by your cellular carrier.
(config vpn nemo nemo_example)> key value
(config vpn nemo nemo_example)>
7. Set the the number of seconds number of seconds until the authorization key expires. This is
provided by your cellular carrier.
(config vpn nemo nemo_example)> lifetime integer
(config vpn nemo nemo_example)>
Allowed values are any integer between 1 and 65535.
8. MTU discovery is enabled by default, which allows the device to determine the maximum
transmission unit (MTU) size. To disable:
(config vpn nemo nemo_example)> mtu_discovery false
(config vpn nemo nemo_example)>
If disabled, set the MTU size. The default MTU size for LANs on the Connect IT Mini device is
1500. The MTU size of the NEMO tunnel will be smaller, to take into account the required
headers.
(config vpn nemo nemo_example)> mtu integer
(config vpn nemo nemo_example)>
Allowed values are any integer between 68 and 1476.
9. Set 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.
(config vpn nemo nemo_example)> spi integer
(config vpn nemo nemo_example)>
Allowed values are any integer between 256 and 4294967295.
Digi Connect IT® Mini User Guide
NEMO
270
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