Changes

If you've followed all the steps presented above, your configuration should be finished. But as with any other configuration, it is always wise to test the setup in order to make sure that it works properly. In order to test a GRE Tunnel connection, log in to one of the routers' WebUIs and go to '''Services → CLI'''. Log in with the user name: '''root''' and the router's admin password. From there you should then be able to '''ping''' the opposite instance's virtual IP address. To use a ping command, type '''ping <ip_address>''' and press the "Enter" key on your keyboard:

If you've followed all the steps presented above, your configuration should be finished. But as with any other configuration, it is always wise to test the setup in order to make sure that it works properly. In order to test a GRE Tunnel connection, log in to one of the routers' WebUIs and go to '''Services → CLI'''. Log in with the user name: '''root''' and the router's admin password. From there you should then be able to '''ping''' the opposite instance's virtual IP address. To use a ping command, type '''ping <ip_address>''' and press the "Enter" key on your keyboard:

[[File:Configuration example ipsec testing.png]]

[[File:Networking rutxxx configuration examples ping to gre client v1.jpg|border|class=tlt-border]]

You can also test if LAN access is working the same way. Instead of pinging the opposite instance's LAN IP address, ping one of the end devices' IPs. One common issue that can be encountered here is that the end devices '''might need their DHCP leases renewed'''. There are many methods of accomplishing this, but the easiest and most accessible way is to simply disconnect and reconnect the LAN cable to the device or the router that it's connected to.

You can also test if LAN access is working the same way. Instead of pinging the opposite instance's LAN IP address, ping one of the end devices' IPs. One common issue that can be encountered here is that the end devices '''might need their DHCP leases renewed'''. There are many methods of accomplishing this, but the easiest and most accessible way is to simply disconnect and reconnect the LAN cable to the device or the router that it's connected to.