Digi TX40 User Manual page 607

Virtual Private Networks (VPN)
f. For Layer2SpecificHeader type, select the Layer2Specific header type. This must match
what is configured on the remote peer.
g. For Sequence numbering control, determine the sequence number control to prevent or
detect out of order packets. Allowed values are:
n
n
n
n
The default is None.
h. Repeat for additional sessions.
11. Click Apply to save the configuration and apply the change.

Command line
1. Select the device in Remote Manager and click Actions > Open Console, or log into the TX40
local command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to access the Admin CLI.
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. Add a L2TPv3 Ethernet tunnel. For example, to add a tunnel named L2TPv3_example:
(config)> add vpn l2tpv3 L2TPv3_example
(config vpn l2tpeth L2TPv3_example)>
The tunnel is enabled by default. To disable:
(config vpn l2tpeth L2TPv3_example)> enable false
(config vpn l2tpeth L2TPv3_example)>
4. Set the IPv4 address of the remote endpoint:
(config vpn l2tpeth L2TPv3_example)> remote IP_address
(config vpn l2tpeth L2TPv3_example)>
5. Set the interface of the local endpoint:
i. Use the ? to determine available interfaces:
ii. Set the interface. For example:
(config vpn l2tpeth L2TPv3_example)> local /network/interface/wan1
(config vpn l2tpeth L2TPv3_example)>
6. Set the tunnel identifier for this tunnel. This must match the value for peer tunnel ID on the
remote peer.
TX40 User Guide
None: No sequence numbering.
Send: Add a sequence number to each outgoing packet.
Receive: Reorder packets if they are received out of order.
Both: Add a sequence number to each outgoing packet, and reorder packets if they
are received out of order.
L2TPv3 Ethernet
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