In my office, I have a printer with static IP
192.168.0.254/24. Normally, it should be excluded from the DHCP pool in the router. So I just set the DHCP pool to be in the range of
192.168.0.2/24 - 192.168.0.240/24,
192.168.0.241/24 - 192.168.0.254/24 will be left for some machines that require static IP like the printer.
Then I also added the static IP
192.168.0.254/24 in the router for the printer. It seems there's nothing wrong. But with these settings, the printer is inaccessible to other machines in the same network. That is, nobody is able to print from their computer and it doesn't respond to any
PING request like before.
I had completely no idea. So I just tried some luck by configuring the DHCP range to cover as most IPs as it can, which is
192.168.0.2/24 - 192.168.0.254/24.
After router restart, the printer is now completely accessible and can respond to
PING just like it was before we replaced the old router with this one (Cisco RV180W).
So my question is, shouldn't we exclude a static IP from the DHCP pool?
I have included some screenshots below that show our current configuration:
Note: you can see there are some machines using static IPs but I still haven't added them in the
Static DHCP Client Table because I plan to change them to use dynamic IP later.