Has anybody had any luck setting up networking services (ssh, etc) on a Spectrum wireless network?

I have been able to do this in the past but doing it now on Spectrum has been a head-scratching effort in frustration. Has anybody set this up -- specifically an ssh server that you can access internally on the wireless?
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I have a computer running Fedora. I have enabled the sshd server and have opened port 22. Using other computers, I can see the computer's IP (it is 192.168.1.56 - which should be static and not dynamic). The results from my windows computer with the arp command produces the following...
PS C:\Users\apswa> arp -a
Interface: 192.168.1.2 --- 0x13
Internet Address Physical Address Type
192.168.1.1 4c-19-5d-39-24-c5 dynamic
192.168.1.56 e8-6f-38-94-d9-cb dynamic
192.168.1.90 1c-53-f9-22-f2-88 dynamic
192.168.1.255 ff-ff-ff-ff-ff-ff static
But I cannot ssh into the computer. I get...
PS C:\Users\apswa> ssh [email protected]
ssh: connect to host 192.168.1.56 port 22: Connection timed out
Also, pinging the computer (or any other computer on the network) results in...
Reply from 192.168.1.2: Destination host unreachable.
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