we've expanded our business to a nearby building with its own network and i am trying to join the two so that the workstations can see each other, but they continue to use their own internet access. Here is the layout:
NETWORK 1 (aka N1): 192.168.1.*/16 => Switch: CISCO SG200-28P (192.168.1.10/16) => Firewall: WATCHGUARD T30 (192.168.1.1/16 / DHCP server .100-.200) => INTERNET
NETWORK 2 (aka N2): 192.168.30.*/24 => Switch: DLINK DGS1210-28P (192.168.30.20/24) => Firewall: FORTINET 60C (192.168.30.1/24 / DHCP server .110-.254) => INTERNET
At this point, i have run a cat6 cable from one switch to the other. When i connect my laptop to N1, i get a DHCP response/IP address from the server on N2. I can then connect to N2, but still can't see N1 even though i am connected directly to that switch.
If i give my laptop a static IP address on the N1 network, it functions normally and i can see all the nodes on N1, but nothing on N2.
Conversely, connecting directly into N2 gives me access to N2 nodes, but no access to N1. As stated above, i have changed the netmask on the switch and router (and my laptop) of N2 to be /16, but when i go to change it on the router of N1, i get a "IP address is in same subnet as the others." even though no other interface is on any 192.168 subnet.
What i am hoping to achieve is that a computer on N1 can talk to any computer on N2 (i am currently not concerned about vice-versa), but each node on the respective networks use their respective routers/gateway to the internet and DHCP addressing.
Any help would be very much appreciated. Thanks in advance.