Thread: new Netgear router, won't connect (excellent connection on both computers, but it detects a firewall)
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Old November 9th, 2010
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UPnP is not a totally reliable technology either. Even with same model of device with UPnP, some people's UPnP gives problems whereas for others does not. Also often devices are made by different manufacturers but sold under the same company label. The implementations of UPnP may differ or something else in it's operation varies to others.

Example of devices made by different manufacturers: ATI video cards are often manufactured by up to 10 different manufacturing companies with variations between each ones operation abilities, performance & reliabilities.
Linksys are a modem/router company that has several manufacturers. Some other modem/router companies do this also. Also, some devices are customised for a particular ISP.
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