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Networking issues in home with multiple routers

Scotty, please read the email thread below and let me know if you could do what our av guy is describing. Have had no problems with ur airport. Was waiting to hear from him before we bought one. Let me know ur thoughts. Thanks so much.

Hi, thanks for the update.  No, you only need 1 router in the house. Your MAC guy needs to setup the IP scheme the way it was with the previous router. It should be 192.168.1.x.  He should know what that means.  He then needs to link it to the main switch in the closet on the rack. This will allow the audio system to continue to be able to access the net for streaming and etc.  If both routers are connected, there are going to be problems.


My thoughts:

I would be happy to set the router in place however, I think we are still left with the mystery as to why the linksys router would not be functioning properly but adding a router to the home for wifi and setting it to 192.168.1.x may conflict with the router that comes before it in line (the Time Warner modem/router).  I think that router (TW) is distributing 192.168.1.x range as well and I think the linksys was distributing 192.18.0.x range which would not conflict.  I may have that backwards but I don’t think so.  

So, putting the airport router in behind the switch and setting it to bridge mode will allow the TW modem/router to continue to handle DHCP (passing out of 192.168.1.x range if that is what technician feels would be best.  

I just want to make sure I don’t conflict with any settings that iTech may currently have in place that I’m not aware of.  There’s also the issue of not knowing why the ethernet cable feeding the laundry room iMac is not sending out a usable IP address.  This could be one of several reasons:

1.  the router in charge of handling DHCP is not giving out numbers correctly
2.  there is a conflict between router’s handing out numbers
3.  wiring is incorrect at the source
4.  ethernet cable capped incorrectly (doubtful)

I ruled out the iMac being the issue.  That issue also exists on other computers directly connected to the same ethernet cable as well.  So while adding the airport router may give you great wifi throughout the house, the actual real issue has still not been completely solved.
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