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Under '''DHCP SERVER''' set parameters for the DHCP pool.
Under '''DHCP SERVER''' set parameters for the DHCP pool.
[[File:Server new 02 1 fixed.png|none|thumb]]
[[File:Server new 02 1 fixed.png|border|class=tlt-border|750x750px]]
===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 fix.png|none|thumb]]
[[File:Server new 03 fix.png|border|class=tlt-border|750x750px]]
===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.
'''LOCAL SETTING'''
'''LOCAL SETTING'''
Local address: 84.15.155.201
Local address: 84.15.XXX.XXX
Tunnel ID: 100
Tunnel ID: 100
'''PEER SETTING'''
'''PEER SETTING'''
Peer address: 84.15.249.182
Peer address: 84.15.XXX.XXX
Peer Tunnel ID: 10
Peer Tunnel ID: 10
Layer 2 specific header type: Linux Default
Layer 2 specific header type: Linux Default
[[File:Server new 04 01 fix.png|none|thumb]]
[[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 01 fix.png|border|class=tlt-border|750x750px]]
[[File:Server new 04 02.png|border|class=tlt-border|750x750px]]
'''Note:''' Specify on "Local address" your mobile WAN public IP. 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 fix.png|none|thumb]]
[[File:Client 01 fix.png|border|class=tlt-border|750x750px]]
'''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 fix.png|none|thumb]]
[[File:Client 02 fix.png|border|class=tlt-border|750x750px]]
===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|border|class=tlt-border|750x750px]]
===Create L2TPv3 instance===
===Create L2TPv3 instance===
'''LOCAL SETTING'''
'''LOCAL SETTING'''
Local address: 84.15.249.182
Local address: 84.15.XXX.XXX
Tunnel ID: 10
Tunnel ID: 10
'''PEER SETTING'''
'''PEER SETTING'''
Peer address: 84.15.155.201
Peer address: 84.15.XXX.XXX
Peer Tunnel ID: 100
Peer Tunnel ID: 100
Layer 2 specific header type: Linux Default
Layer 2 specific header type: Linux Default
[[File:Client 04 fix.png|none|thumb|747x747px]]
[[File:Server new 04 02.png|alt=L2TPv3 Client Settings|center|thumb|523x523px|L2TPv3 Client Settings]]
[[File:Client 04 fix.png|border|class=tlt-border|750x750px]]
[[File:Server new 04 02.png|border|class=tlt-border|750x750px]]
'''Note:''' Specify on "Local address" your mobile WAN public IP. Local value for Tunnel ID, session ID and Cookie must match with the peer values being used at the other end.
==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 fix.png|none|thumb]]
[[File:Test 01 fix.png|border|class=tlt-border|750x750px]]
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 fix.png|none|thumb]]
[[File:Test 02 fix.png|border|class=tlt-border|750x750px]]
