The WRN has two physical network ports, this article explains which one is which within the Ubuntu interface
The network ports are labelled eth0 and eth1 in the command line interface:
On the WRN-810S and WRN-1610S they are labelled as USB and PCI in the GUI:
On the WRN-2010 and WRN-2110 they are labelled as Ethernet(eth 0) and Ethernet(eth 1)
The physical network ports are as follows:
This table shows which label refers to which physical network port for the WRN-810S and WRN-1610S
| Physical network port | GUI label | cmd label |
| 1 | USB | eth1 |
| 2 | PCI | eth0 |
This table shows which label refers to which physical network port for the WRN-2010 and WRN-2110
| Physical network port | GUI label | cmd label |
| 1 | Ethernet(eth0) | eth0 |
| 2 | Ethernet(eth0) | eth1 |