Network isolation?

[Colin Law]

On Sat, 5 Mar 2022 at 20:39, MR ZenWiz <mrzenwiz at gmail.com> wrote:
>
> I have a few computers around the house, but for some reason I don't
> see, from one of them I can't connect to any of the others.
>
> Basic setup:
> - Desktop, wire connection to the router, connects fine with all the
> other wifi machines.
> - Personal laptop - wifi connection that is proven almost fully
> functional - see below.
> - Two other laptops - also on wifi, exhibiting no problems.
>
> However:
>
> My laptop cannot ping any of the others on the wifi.  It has no
> trouble pinging google.com, browsing the web and running zoom
> meetings.
>
> From my desktop, I can ssh into the laptop and successfully execute
> most commands.  However, even though I am ssh logged-into that laptop
> from the desktop, the laptop cannot even ping the desktop.
>
> Any pointers or guidance would be greatly appreciated.

Try rebooting the router.
Also check that the firmware in the router is the latest version.

Colin