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Enter the router's WebUI, go to '''Network > Interfaces > Ethernet LAN''' and click the '''<nowiki/>'Edit'''' button on the right side of the interface to set the LAN network address.
Enter the router's WebUI, go to '''Network > Interfaces > Ethernet LAN''' and click the '''<nowiki/>'Edit'''' button on the right side of the interface to set the LAN network address.
[[File:Server new 01 fixed.png|frameless]]
[[File:Server new 01 fixed.png|border|class=tlt-border|750x750px]]
Under '''DHCP SERVER''' set parameters for the DHCP pool.
Under '''DHCP SERVER''' set parameters for the DHCP pool.
[[File:Server new 02.png|alt=|center|464x464px|border|class=tlt-border]]
[[File:Server new 02.png|alt=|center|464x464px|border|class=tlt-border]]
=== Set up Mobile WAN as Main WAN ===
===Set up Mobile WAN as Main WAN ===
Enter to the router’s WebUI, go to '''Network > Interfaces''' press mouse click on the Mobile Wan interface, then drag it to the 1<sup>st</sup> position and then press '''Save & Apply'''.
Enter to the router’s WebUI, go to '''Network > Interfaces''' press mouse click on the Mobile Wan interface, then drag it to the 1<sup>st</sup> position and then press '''Save & Apply'''.
[[File:Server new 03.png|alt=Mobile WAN as Main WAN|center|thumb|504x504px|Mobile WAN as Main WAN]]
[[File:Server new 03.png|alt=Mobile WAN as Main WAN|center|thumb|504x504px|Mobile WAN as Main WAN]]
=== Create L2TPv3 instance ===
===Create L2TPv3 instance ===
Go to router’s WebUI, under '''Service > VPN > L2TP > L2TPv3''' and create new '''L2TPV3''' instance.
Go to router’s WebUI, under '''Service > VPN > L2TP > L2TPv3''' and create new '''L2TPV3''' instance.
[[File:Server new 04 02.png|alt=L2TPv3 Server Settings|center|thumb|480x480px|L2TPv3 Server Settings]]Specify the Local address of your mobile WAN. Local value for Tunnel ID, session ID and Cookie must match with the peer values being used at the other end.
[[File:Server new 04 02.png|alt=L2TPv3 Server Settings|center|thumb|480x480px|L2TPv3 Server Settings]]Specify the Local address of your mobile WAN. Local value for Tunnel ID, session ID and Cookie must match with the peer values being used at the other end.
== DHCP Client Settings (Relay) ==
==DHCP Client Settings (Relay)==
=== DHCP Relay ===
===DHCP Relay ===
Enter the router's WebUI, go to '''Network > Interface > LAN > DHCP Server''' and change the "'''Enable DHCP'''" field value from Enable to Relay and type in the DHCP Server the IP address of the server. Click Save & Apply.
Enter the router's WebUI, go to '''Network > Interface > LAN > DHCP Server''' and change the "'''Enable DHCP'''" field value from Enable to Relay and type in the DHCP Server the IP address of the server. Click Save & Apply.
[[File:Client 01.png|alt=Enable DHCP Relay|center|thumb|517x517px|Enable DHCP Relay]]
[[File:Client 01.png|alt=Enable DHCP Relay|center|thumb|517x517px|Enable DHCP Relay]]
'''Note:''' The IPv4 address of the LAN interface is different from the server's LAN interface address, this is necessary to avoid conflicts.
'''Note:''' The IPv4 address of the LAN interface is different from the server's LAN interface address, this is necessary to avoid conflicts.
=== Set up Mobile WAN as Main WAN ===
===Set up Mobile WAN as Main WAN ===
Enter to the router’s WebUI, go to '''Network > Interfaces''' press mouse click on the Mobile Wan interface, then drag it to the 1<sup>st</sup> position and then press '''Save & Apply'''.
Enter to the router’s WebUI, go to '''Network > Interfaces''' press mouse click on the Mobile Wan interface, then drag it to the 1<sup>st</sup> position and then press '''Save & Apply'''.
[[File:Client 02.png|alt=Mobile WAN as Main WAN|center|thumb|545x545px|Mobile WAN as Main WAN]]
[[File:Client 02.png|alt=Mobile WAN as Main WAN|center|thumb|545x545px|Mobile WAN as Main WAN]]
=== Modify Enable-DHCP-renew firewall rule ===
===Modify Enable-DHCP-renew firewall rule ===
Enter in the router’s WebUI, go to '''Network > Firewall > Traffic rules''' to additionally allow destination port 67.
Enter in the router’s WebUI, go to '''Network > Firewall > Traffic rules''' to additionally allow destination port 67.
[[File:Client 03.png|alt=DHCP renew firewall rule|center|thumb|555x555px|DHCP renew firewall rule]]
[[File:Client 03.png|alt=DHCP renew firewall rule|center|thumb|555x555px|DHCP renew firewall rule]]
=== Create L2TPv3 instance ===
===Create L2TPv3 instance ===
Go to router’s WebUI, under '''Service > VPN > L2TP > L2TPv3''' and create new '''L2TPV3''' instance.
Go to router’s WebUI, under '''Service > VPN > L2TP > L2TPv3''' and create new '''L2TPV3''' instance.
== Testing DHCP over L2TPv3 ==
==Testing DHCP over L2TPv3==
To test the realy settings go to DHCP server to check that devices are able to recieve IP addresses in the range 192.168.10.150 - 192.168.10.170 either via LAN port or Wi-Fi. Access the CLI and run '''cat /tmp/dhcp.leases''' to list all DHCP clients.
To test the realy settings go to DHCP server to check that devices are able to recieve IP addresses in the range 192.168.10.150 - 192.168.10.170 either via LAN port or Wi-Fi. Access the CLI and run '''cat /tmp/dhcp.leases''' to list all DHCP clients.
[[File:Test 01.png|alt=DHCP clients|center|thumb|508x508px|DHCP clients]]
[[File:Test 01.png|alt=DHCP clients|center|thumb|508x508px|DHCP clients]]
Asking for the Address Resolution Protocol (ARP) table is also an other method to find hosts on the LAN network.
Asking for the Address Resolution Protocol (ARP) table is also an other method to find hosts on the LAN network.
[[File:Test 02.png|alt=DHCP Clients|center|thumb|513x513px|DHCP Clients]]
[[File:Test 02.png|alt=DHCP Clients|center|thumb|513x513px|DHCP Clients]]
