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abdullahjamali

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Wireless Access Points, Enduser Connectivity and Slowness Issues

Hi Experts,

We have 25 wireless access points in our LAN, some of them are Netgear Genie, Netgear Nighthawk, Netgear N300, TP Link, D-Link and Unify access points (Mash wireless devices).

we never had any issues with them util last Thursday when all of a sudden users had started complains about loss or wireless connectivity and slowness, we figured out that the DHCP wasn't leasing IP's due to network card failure. We installed new DHCP server and users started receiving IP's, now we have observed that max 15 access points can be up at a time and if we try to add and start using another AP then wireless user started facing extreme slowness or complete dis connectivity as soon as we remove that additional AP then everything get back to normal.  

The strange part is if we use port as a switch for wired connected devices (PC, laptop or a server then it works perfectly fine with any issues but as soon as we start connecting to AP as a wireless user than wireless services starts moving downhill.

The Ethernet connectivity (wired) is fine and not even a Singal issue ever reported, the wired and wireless they both sharing same LAN, we don't have any wireless controller in the network.

Please share you expert opinions and knowledge to mitigate this issue.

Awaiting for your reply.

Thanks in advance.

Regards,

Abdullah Jamali
Avatar of noci
noci

If there are many devices in a "small" space they will interfere with each other, AP's & modbile devices all count.
The all use the same frequencies i guess.  As long as there are some timeslots left things will work. At some point there is not enough time between pacets, which will cause some kind of a traffic jam.

Missing , damaged packets will cause retransmissions.. adding injury to the insult
Avatar of abdullahjamali

ASKER

Hi Noci,

Thanks for your comments.

The wireless devices were working fine from last 2 years without any issues.

Regards,

Abdullah
if I connect access points to LAN and use them as a switch then there's not issues (some access points have 4 LAN ports), as soon as I connect my phone or laptop to use wi-fi the issue triggers.


Regards,
Abdullah
Why do you have so many different types of devices for wifi? Your best course of action is to move to one manufacturer, Do a site survey and map out your AP locations. Place them at a distance that gives coverage overlap and if you need seperation by dept or guests then do that via vlan. I understand that it has been working for you but it is not an ideal setup if this is a business that needs to be managed and stay reliable. I recommend Unifi AP's due to reliability, ease of use, and price. But if you need to keep your current configuration then i would suggest replacing the trouble devices. Or do a factory reset, upgrade firmware (if available), reconfigure, and test if issue is still there then replace.
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