Netgear JFS524 network cable unplugged error on all pc'c
How is the modem/router connected to the switch?
Have you tried changing the patch cable that connects them together, or the port they are connected from?
When troubleshooting this type of issue, it is always best to check each layer of connectivity (1-Physical,2-Data Link, 3-Network Addressing, etc.) in order from bottom to top, due to each layer being dependent on the layers before it.
DNS is important but wont be available until you have a physical connection and a IP address.
If you can achieve a stable connection while the PC is connected directly to the modem/router, but not via the switch then work your way from one end of the link between the working component (in this case the modem/router) to the other (PC) - testing each part along the link.
If the switch is faulty after you have performed some testing, it is best to change it out and test with another switch (if avalible), before purchasing or sending the JFS524 away for repair (if still under warranty).
Let us know how you go with the testing.
on Aug 15, 2009