Digi TX54 User Manual page 538

Virtual Private Networks (VPN)
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.
10. Set the firewall zone for the NEMO tunnel to internal:
(config vpn nemo nemo_example)> zone internal
(config vpn nemo nemo_example)>
The Internal firewall zone configures the TX54 device to trust traffic going to the tunnel and
allows it through the network.
11. Configure the Care-of-Address, the local WAN interface of the internet facing network.
a. Set the method to determine the Care-of-Address:
(config vpn nemo nemo_example)> coaddress type value
(config vpn nemo nemo_example)>
where value is one of:
n
n
n
TX54 User Guide
defaultroute: Uses the same network interface as the default route.
interface
If interface is used, set the interface:
i. Use the ? to determine available interfaces:
(config vpn nemo nemo_example)> coaddress interface ?
Interface: Use the IP address of this network interface as
this node's Care-of-Address.
Format:
defaultip
defaultlinklocal
lan1
lan_hotspot
loopback
wan1
wwan1
wwan2
Current value:
(config vpn nemo nemo_example)> coaddress interface
ii. Set the interface. For example:
(config vpn nemo nemo_example)> coaddress interface wan1
(config vpn nemo nemo_example)>
ip
If ip is used, set the IP address:
NEMO
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