“No Route” to the network or to the host

[toddkrein]

I’m running stock Ubuntu 22.04LTS on two machines, and Windows 11 on my laptop. Everyone is on the same subnet, and plugged into the same switch. The firewalls are turned off on the Linux boxes, and NoMachine has been added to the Windows Defender access list. Everyone can ping and SSH everyone else.

The Windows box can connect to itself, but times out trying to connect to either of the Linux boxes.

Both Linux boxes can connect to the Windows box.

The Linux boxes cannot connect to each other, they get the message “No Route to the network or to the host.”

Anyone have any ideas?

What I need is to get the Linux desktops accessible from the laptop.

Thanks!

[Author]

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