[TriLUG] Network configuration help?

[Wes Garrison via TriLUG]

Some routers won't accept a private IP on their WAN interface.

See if there's a setting for blocking "bogon" networks or private networks,
possibly on the firewall tab.

On Fri, Apr 30, 2021 at 9:37 AM Brian McCullough via TriLUG <
trilug at trilug.org> wrote:

> Folks,
>
> I seem to have run into the proverbial brick wall, so am coming to "the
> Oracle" for help.  I know that this may seem trivial to some of you, but
> I don't do it often enough to have it in "muscle memory."
>
>
> I have a wired network at home, and I want to add a "guest" WiFi subnet
> to it.
>
> I have a ZyXEL router that I have used in the past, and did a factory
> reset on it.
>
> I then plugged its WAN port into the existing network ( by way of a
> switch ), and started working on configuration.
>
> I can see that it has been assigned an IP ( v4 ) address by the main
> router, and on the ZyXEL it shows the WAN port as up, but there is no
> address on the status page.
>
> When I plug a laptop into one of the ZyXEL's ports, it can get an
> address, but it can't see the outside world.
>
> I tried to make the local LAN the same address range as the global one,
> as a different 192.168../24 address, and as a 172.16../24 address, but,
> while all of those work to give the laptop access to the router, nothing
> goes out.
>
> After giving up at that point, I have wondered about assiging a static
> address to the WAN port on the ZyXEL, but otherwise, I am stuck.
>
>
> Any suggestions?
>
>
>
>
> Thanks,
> Brian
>
> --
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