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10.6: Avoid a DHCP issue with Dual Band Airport Extreme
Authored by: ab on Mar 18, '10 12:10:42PM

This same issue occurs on my Dual Band Airport Extreme network about once every 30 - 45 days. In order to resolve the issue I must reboot the Airport Extreme router. The router is connected directly to my DSL modem, serves DHCP, and routes all traffic for the network. I previously had an XBOX360 with the USB wireless N adapter connected to this network. With that configuration the loss of DHCP services from the Airport Extreme would occur about every 2 - 3 days and seemed to happen when the XBOX was used or just after. I separated the bands into 2 distinct WiFi network names, but there is still a bug in the router that causes the DHCP service to die after some trigger I cannot exactly identify. An AppleTV is the only 5ghz user device I have. I tried to resolve this by adding 2 Airport Express station to serve as bridges only for Ethernet switches. Several devices now only connect to the WiFi network via the Airport Express routers ethernet ports. The Airport Express devices only connect to the 5ghz network to bridge the data. This configuration is more stable (less frequent loss of DHCP services) but did not fix the issue completely. Router logs do not provide me with any clue as to why or when the crash occurred because it continues to route for all previous DHCP clients, it just stops giving addresses for new ones. I can confirm no max number of WiFi clients is being exceeded. Seems it is time I send a bug report to Apple for this issue.



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10.6: Avoid a DHCP issue with Dual Band Airport Extreme
Authored by: BrentT on Mar 19, '10 08:04:50AM

I can confirm having the same issue. Only a hard router reboot will get my 2.4 ghz band to connect to a Mac Pro Dual G5. Every 30 to 45 days seems to be the same timeframe for me.



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