My network has got slightly complicated.
I have a (D-Link ADSL Modem + Router), which connects to the ISP. From there a cable runs to 8 port switch. From the switch another cable runs to my rooms wifi router.
Now the problem is weird. Although I am able to connect to all computers in the network, both the routers and the internet, it lives short. The connection is very unstable. I am getting " Request Timed Out " when I try to ping even the root router. Sometimes local network works but internet doesn't work.
Modem is a D-Link DSL-2730U : (192.168.1.1) DHCP enabled
Switch is a 8 Port D-Link unmanaged switch.
WiFi router is an old Teracom modem+router : (192.168.1.100) DHCP server disabled. DHCP relay is set to DSL-2730U's address.