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5GHz, no internet connection with G3100

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grimjon
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Posts: 3
Registered: ‎06-03-2020

5GHz, no internet connection with G3100

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Upgraded to gigabit with G3100 router 3 wks ago, and ever since a couple computers will not successfully connect to 5GHz band. They connect to the network, but immediately say "Secured, no internet." 

- router is in a crate (FiOS in a box) in the basement. Desktop is on the third floor
- SON turned OFF on the router (this is the second router we've tried) 
- 2.4 and 5GHz bands SSIDs separated and given different names
- Desktop running Windows 10 with a brand new Netgear wifi adapter supporting 802.11ac (same problem happened with old wifi adapter, also 802.11ac)
- phones and other computers can connect to the 5GHz band but not this computer
- when I look at the LAN DHCP log on the router, I can see the DHCPREQUEST and DHCPACK for this IP, but for some reason, after 30 seconds or less, it gives up and releases the connection without establishing a lease.
- After connecting to 5GHz, I checked the connection (ipconfig /all) and it seems to be getting an IP address on the private subnet (e.g., 192.168.1.156 prefered), but I cannot ping the default gateway from the desktop (100% packet loss).
- when I look at the connection in the "Network Connections" window, it does not show the network's SSID, and instead reports "Unknown Network."
- When looking at the Windows Event log, I see warning level DNS Client event "Name resolution for the name <various> timed out after none of the DNS servers responded."
- I've tried dynamic and static IP addressing on this adapter both, no difference
- I've tried Compatability, Legacy and Wifi 5 Only mode for the 5 GHz network, no difference
- I changed the DNS servers to use Google's rather than Verizon's
- I disabled IPv6, RSS, Autotuning and Taskoffload on the computer - nothing has worked
- I tried adding a Wifi extender to the setup ( a whole different nightmare) and that made no difference
- I was able to connect my work laptop to the 5GHz network sitting roughly 6" from the wifi adapter and got about 240MHz down
- I WAS able to connect this desktop computer to a 5GHz network via a mobile hotspot, so the issue appears to be in the router/network from the FiOS, or at the very least the compatibility of the adapter and that specific network

- Netgear tech support (adapter vendor) says they think it is the router

- Verizon tech support (I've talked to about 4 different people) all SWEAR it is the adapter

If anyone has any thoughts or anything else to try, I'd sure be appreciative

9 REPLIES 9
jonjones
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Posts: 5,293
Registered: ‎10-18-2016

Re: 5GHz, no internet connection with G3100

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Turn off SON (self organizing network) in the router settings. See if that cures the situation.

 

SON is useless. In verizon routers. In my opinion not necessary. 

 

grimjon
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Registered: ‎06-03-2020

Re: 5GHz, no internet connection with G3100

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Thanks for the reply. Unfortunately, that is one of the first things we tried and it had no effect.

jonjones
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Registered: ‎10-18-2016

Re: 5GHz, no internet connection with G3100

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Another suggestion, hope I don’t repeat what you already tried again.

go into your wireless settings and change your SSID to a different name. Then save the settings and restart your router. Then go to the devices you mention and try and connect. I would also set new passwords for both bands.

 

hope it works

grimjon
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Registered: ‎06-03-2020

Re: 5GHz, no internet connection with G3100

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I do have separate SSIDs for the two bands but they have the same password. I'll try changing them and see if that makes a difference. 

jonjones
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Posts: 5,293
Registered: ‎10-18-2016

Re: 5GHz, no internet connection with G3100

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I don’t use verizon crappy routers but Netgear. However I put a different name to each like jj5ghz and jj2ghz they each have separate passwords. (The SSID I am writing about are not the real names of course) this way I can choose.

 

Haro41
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Registered: ‎06-26-2020

Re: 5GHz, no internet connection with G3100

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Any update on this problem? I am also having the same issue. A lenovo laptop, a desktop PC, and a surface tablet all running Windows 10 can not connect to the 5ghz network. Iphones, fire sticks can connect effortlessly. Tried everything under the sun, including getting a new g3100 router from Verizon. same issue.

dazee
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Posts: 1
Registered: ‎09-23-2020

Re: 5GHz, no internet connection with G3100

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I have a lenovo laptop and I had the same problem. I am not sure if it is the wifi card that comes with the laptop. I have tried updating the driver but it failed.

 

However, I removed the SON (not sure if necessary) and on the advanced settings of wifi, I changed my 5Ghz 802.11 mode from Compatibility (a/n/ac/ax) to Legacy (a/n/ac) and voila 5Ghz was discoverable by the laptop. So basically my 5Ghz has wifi 6 turned off and it's not something that I care about right now because ~400 Mbps in wifi is good enough for my devices and I can have ethernet cable hooked to my laptop if I need full gigabit of internet while downloading something huge.

 

If you really want to get wifi 6 on your laptop or if you want wifi 6 on other devices while using 5Ghz on your laptop, maybe upgrading the wifi card to wifi 6 will help. Maybe a solution to this exists without upgrading the wifi card but I have been unable to find one. Upgrading is rather easy as most of the manufacturers make wifi card accessible and it isn't that expensive to upgrade -- I saw some of the listings for 20 dollars on amazon.

Cang_Household
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Registered: ‎09-06-2020

Re: 5GHz, no internet connection with G3100

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"Unidentifiable Network" or "Unknown Network" signals the DHCP is at problem.

 

DHCP is a layer 7 protocol, it has nothing to do with 802.11 layer 2 protocols.

 

Can you disable and re-enable DHCP servers on G3100 and check the DHCP of your wireless adapters?

jonjones
Platinum Contributor II
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Posts: 5,293
Registered: ‎10-18-2016

Re: 5GHz, no internet connection with G3100

Message 10 of 10
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First thing comes to my mind is the devices you mentioned do not have the 5 Ghz protocol so it only connects at 2.4 Ghz.

 

if your Apple devices connect etc. it is because they have both radios in their respective devices. I have an old HP laptop that only connects to 2.4 Ghz. the only way to make it connect to the 5 Ghz is via plug in wifi adapter. I did this for my wife prior to this COVID crap but now I have run ethernet to her home office to avail of the fios gigabyte speed. She is quite content. But her laptop I put the adapter on works great in the living room at 5 Ghz again it’s always workable.

 

additionally if self organizing network (SON) is on, turn it off since you don’t really need the wifi steering. 

 

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