>
> You don't need to set a route if the two addresses are on the same network.
>

 Rich, for future reference, you ca use the "arp -a" command to verify that
a device you're trying to connect on the same subnet is physically
connected, configured properly and is up & running.

 ~ $ arp -a
? (192.168.43.220) at 60:1d:91:53:bc:3e [ether] on wlp2s0b1

* Also, if no arp table entries are returned you know have a problem with
the device you're on.

Even most unmanaged switches and low-end routers will have a MAC Address
table that you look it to see what that device can see based on it's
network configuration.

I don't want to admit how many times I either mis-calculated a subnet or
typoed one.

If you check physical and link layer (MAC / ARP) before Internet Protocol
routing, you can save yourself a lot of time & frustration in getting
networking problems sorted out.

Cheers,

Mike
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