Good Morning,
My dilemma today is that I am trying to connect a managed switch (DGS-1100-08) in between my unify router and my other two switches (both Dlink DES-1210-28). I have set up a static IP (77.79.80.7) for this new switch and the other two switches are set for IP of 77.79.80.5 and 77.79.80.6. I set up Gateways for 77.79.80.1 on all three switches.
While testing this new switch (DGS-1100) I had it placed behind one of the switches (Gateway/Router -> Switch 77.79.80.5 -> New Switch 77.79.80.7) and it operates just as it should. When I place it where I want it (Gateway/router -> New Switch -> old switch) it kills access to/from the other switches.
In the "test configuration" where the new switch is behind the others, I am able to ping anything and everything between the internet and the old switch.
It should be noted that the current configuration is similar to the diagram, however i have an unmanaged (dumb) netgear switch which is being replaced by the new switch .
Before anyone asks why the network set up is the way it is (as far as the IP address), it's a custom subnet for private IP addresses.
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This is simply a network for residents of a condo that purchase "leases" for WiFi access to the entire building. These residents are elderly and don't have any need for anything "advanced" (just simply connecting to the network to check their e-mails). We have somewhere near 500 resident devices connected to the network via WiFi through our Unify access points placed on two of the ten floors (around 15 per floor), and these all connect to the switches (x.x.80.5 and x.x.80.6) and on separate channels. The system works as is but when we connect a managed switch between the router and the two switches it kills the network.
To test every other possibility, we have connected the problematic switch on one of the switches and connected a Unify AP to it, and both the problem switch and access point are operable.
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