cannot obtain ip address on computer and 3 pr

Netgear Netgear prosafe fs750t2 10/100mb...
September 9, 2009 at 13:30:09
Specs: Windows XP Pro
I have a small printing bus. and have recently purchased a new netgear fs 750t2 switch and have 4 ports that constantly lock up.1 computer and 3 printers. All ports are set to half duplex but yet 4 cannot obtain an ip address from the router, so I have no access to the internet and local. I move to a new port and they may work for a little bit but then can not stay connected to the network.
Walked through multiple configs with netgear switch engineer and they sent me a new switch and still have this problem. Any help or suggestions? Dont know where to turn next?

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September 9, 2009 at 13:37:01
All ports are set to half duplex


All ports, both on the switch and on the client end should be left on "auto". Chances are it's the half duplex setting causing the lockups.

Walked through multiple configs with netgear switch engineer and they sent me a new switch and still have this problem.

After the above exhaustive troubleshooting my first guess would be it's the clients (ie: the printers and computer).

Try this, take a computer that's plugged into the same switch and working properly. Plug it into one of the ports that didn't work correctly with one of the other devices plugged into it and see if it doesn't work fine. If it does, that means it's not the switch, it's not the switch port, it's the device plugged into the switch that's the issue.

On the problem PC, check the NIC settings and make sure it's set to "auto" for speed. If it isn't, and you make it so, and it begins working properly, you've fixed that issue.

The printers may not be so easy to fix depending on the Make/Model of the printers. But, you should be able to set them to "auto" as well.

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September 9, 2009 at 14:00:15
Half duplex was set by Netgear Engineering. They thought that because some of the printers could only handle half duplex they were getting overwhelmed with data that was being sent by full duplex devices. Bringing the network down to half and turning flow control off at the switch they thought would fix our locking up issue. IT DIDN'T!!

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September 9, 2009 at 15:23:30
Surely you misquote what model of netgear switch you are using. Model quoted is a 48 port switch. Eh?

Need to know what model router and switch you are using as well as how they are connected. Also include how the printers are connected.

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September 9, 2009 at 16:12:51
Yes. This is a Netgear fs750t2 and it is connected to a netgear vpn firewall fvs318(netgear) and previously had a signamax 24 prt unmanaged switch. When we bypass Ngfs750t2 and plug straight to the vpn we have no issues or when we go back to signamax we have no issues as well. We have plugged a good pc into a locked up port and have still not been able to connect.

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September 10, 2009 at 08:28:30
How many devices are you connecting to the switch?
Specifically what port numbers?
Only these ports have the issue? In other words if you switch the devices to other ports in the switch there are no issues?
Have you set the ports to defaults?
Have you reviewed the port stats for these ports? What errors showed?

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