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  • 2 replies
  • ‎2019-10-21 03:24 PM
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    • schumaku
    • plemans
    • Vincentrx7
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‎2019-10-21 03:24 PM
‎2019-10-21 03:24 PM

ethernet to computer not working through Netgear switch

I have new internet service.(Specturm 400mbs service). ISP installed a modem which connects to a new GS105E switch (also have a GS105 with the same problem). I have ethernet cable from the switch to my computer, and to a Apple TV box and to a WIFI router. In this configuration, I can get everything to work except the ethernet to the computer.

With my previous ISP (AT&T), this configuration worked fine. I like this configuration because I can place the WIFI Router in the center of the house for better connectivity. With my current ISP I had everything working until they disconnected and reconnected the line running from the road to my house when the buried the cable.

I can remove the switch from the circuit and place the WIFI router by the modem and go directly from the modem to the router and use the ports on the back of the router to go to the computer and wired and wireless apple TV boxes and everything works. 

I thought the original GS105E switch went bad so I bought the GS105 but have the same problem.

The message at my computer is "Unidentified connection". I even tried a different computer with the same message.

 I tried to log into the switch but didnt have any luck making the connection. 

Looking for a solution. I'm losing a lot of work productivity with the internet issues. Thanks

Model: GS105|5 Port Gigabit Ethernet Switch
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‎2019-10-21 06:31 PM
‎2019-10-21 06:31 PM

Re: ethernet to computer not working through Netgear switch

If your isp installed a modem only device you can't go modem----switch----router. 

It has to be modem-----router----switch.

You didn't put what modem spectrum installed so I can't tell you if its a modem/router device but I know that ATT mostly installs combo device. Its probably why the setup worked prior and not anymore if thats the case. You NEED to have a routing device directly after the modem. 

So what modem did the isp install? 

CM1100->RAX200->GS716v2->RBR50->RBS50-RBS40V-RBS50Y
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schumaku
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‎2019-10-22 02:05 AM
‎2019-10-22 02:05 AM

Re: ethernet to computer not working through Netgear switch


@Vincentrx7 wrote:

With my previous ISP (AT&T), this configuration worked fine. 


You might have had a modem/router combo from AT&T before, so NAT and handling a local TCP/IP subnet in a private address range was in place.

 


@Vincentrx7 wrote:

I like this configuration because I can place the WIFI Router in the center of the house for better connectivity. 


If this router should serve as the only router - I suspect with the old ISP you had two independent private networks - the cable modem must be connected to the router WAN/Internet port, and a LAN connection has to go back to the switch location.

 


@Vincentrx7 wrote:

With my current ISP I had everything working until they disconnected and reconnected the line running from the road to my house when the buried the cable. 


Very unlikely - you had assigned the public IP address e.g. to the computer you tested randomly.

 


@Vincentrx7 wrote:

I can remove the switch from the circuit and place the WIFI router by the modem and go directly from the modem to the router and use the ports on the back of the router to go to the computer and wired and wireless apple TV boxes and everything works.


That's logically the only correct set-up as @plemans already pointed out. If you want to relocate the router, you need to cables to the better position for the wireless coverage as explained above.

 


@Vincentrx7 wrote:

The message at my computer is "Unidentified connection". I even tried a different computer with the same message.

 I tried to log into the switch but didnt have any luck making the connection. 


This is because the ISP only assign one (sometimes two, sometimes a small number) of public IP addresses on a Modem. You need to have one LAN with one router - so no other way then re-arranging things ... either by an additional network cable, or by relocating the router to the central point and add one or more wireless APs instead for the wireless coverage.

 

For this very reason, we're operating the routers (with or without enabled WIFi) in combination with an in-house wired and switched network in combination with typically multiple wireless access points, and install similar such set-up with our existing and new customer base. 

 

Afraid, this is not at all a Netgear switch problem.

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