Digi LR54 User Manual page 573

Virtual Private Networks (VPN)
b. Set the destination UDP port to be used for the tunnel.
(config vpn l2tpeth L2TPv3_example)> udp_destination_port port
(config vpn l2tpeth L2TPv3_example)>
c. (Optional) To calculate and check the UDP checksum:
(config vpn l2tpeth L2TPv3_example)> udp_checksum true
(config vpn l2tpeth L2TPv3_example)>
9. Add a session carried by the parent tunnel:
(config vpn l2tpeth L2TPv3_example)> add session session_example
(config vpn l2tpeth L2TPv3_example session_example)>
10. Set the session identifier for this session. This must match the value for peer session ID on the
remote peer.
(config vpn l2tpeth L2TPv3_example session_example)> session_id value
(config vpn l2tpeth L2TPv3_example session_example)>
where value is any integer between 1 and 4294967295.
11. Set the session ID of the remote peer:
(config vpn l2tpeth L2TPv3_example session_example)> peer_session_id
value
(config vpn l2tpeth L2TPv3_example session_example)>
where value is any integer between 1 and 4294967295.
12. (Optional) Set the cookie value to be assigned to the session.
(config vpn l2tpeth L2TPv3_example session_example)> cookie value
(config vpn l2tpeth L2TPv3_example session_example)>
Allowed value is 8 or 16 hex digits.
13. (Optional) Set the cookie value of the remote peer:
(config vpn l2tpeth L2TPv3_example session_example)> peer cookie value
(config vpn l2tpeth L2TPv3_example session_example)>
Allowed value is 8 or 16 hex digits.
14. Set the Layer2Specific header type. This must match what is configured on the remote peer.
(config vpn l2tpeth L2TPv3_example session_example)> l2spec_type value
(config vpn l2tpeth L2TPv3_example session_example)>
where value is either none or default. The default is default.
15. Set the sequence number control to prevent or detect out of order packets.
(config vpn l2tpeth L2TPv3_example session_example)> seq value
(config vpn l2tpeth L2TPv3_example session_example)>
where value is one of:
LR54 User Guide
L2TPv3 Ethernet
573