[PLUG] Router configuration: connecting laptop

Russell Senior russell at personaltelco.net
Thu Dec 5 23:11:59 UTC 2019


Your best bet for ER-X configuration is probably ubnt.com. The density of
people familiar with stock firmware on ER-X, while non-zero, is much lower
than there.

On Thu, Dec 5, 2019 at 3:02 PM Rich Shepard <rshepard at appl-ecosys.com>
wrote:

> To configure a new Ubiquiti EdgeRouter-X (the semi-bricked one will be
> restored after this one's up and running) I use a Dell Latitude 2100
> laptop.
> The laptop's eth0 interface is configured 192.168.1.55, netmask
> 255.255.255.0, broadcast 192.168.1.255. The router has the generic default
> address of 192.168.1.1.
>
> The Dell's eth0 is UP and RUNNING but cannot ping the router; 'network is
> unreachable.' There's no gateway for the two hosts, but the default on the
> laptop is on a different subnet, that of the LAN (192.168.55.4).
>
> The kernel's routing table shows no route for eth0. When I run:
>
> route add -net 192.168.1.55 Nm 255.255.255.0 eth0
>
> ('dev' is optional) the response is a presentation of how the route command
> should be run. The syntax looks correct to me. On a few occasions in the
> past a host on the LAN subnet has lost its default route which I easily
> restored using 'route add default ...' (but eth0 is always shown) so I'm in
> new territory here.
>
> While the location of specific files could be distribution-specific, the
> commands are the same.
>
> For this 2-host network what do I read to get a route for eth0 so I can
> ping
> the router and communicate with it via its web interface?
>
> TIA,
>
> Rich
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