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EnGenius EP 150 wired Access Points knocks out network

Posted on 2012-03-17
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Last Modified: 2016-11-23
Hi All,

I just took over a client.

The office network is setup as follows:

1. Netgear WNDR 3700 Router handling DHCP/DNS both wired and wireless functions for 8 - Windows 7 Laptops and a DELL T110 2008 Foundation Server for a multi - office same floor company. I know the server should be handling the DHCP/DNS functions. That will be fixed in the very near future.
DHCP - 192.168.1.1 - 192.168.1.245
Wireless enabled and transmitting using WPA security.

Netgear Router connected to switch along with client laptops

Internet provided by ATT Business Class

The Client called and stated that the offices on the extreme ends of the hallway were getting very weak wireless signals but worked fine when plugged into network using CAT 5 cabling.

They decided to install 2-Wireless Access Points (Engenius CP150) on opposite ends of the hallway connected back to the Netgear router via CAT5.

I was called in to configure them. Here are the settings:

Access Point #1 Lan IP set 192.168.1.149 / DHCP -disabled / WPA security enabled / SSID "signeousa1"

Access Point #2 Lann IP 192.168.1.252/ DHCP disabled / WPA security enabled / SSID "signeousa2"

After about 6 hours the entire network goes down - No internet / No access to server. If i disconnect the two access points from the switch the network comes back up.

Anyone have any ideas why this is happening?

Thanks,

Frank
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Question by:flteng562
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4 Comments
 
LVL 47

Expert Comment

by:Craig Beck
ID: 37734627
Probably a long shot - but is one of the APs connecting wirelessly to the other?  If so, this would cause a loop which could kill your network (depending on how it is configured).

You could probably test this by just turning one of the APs off and seeing if the network settles after a couple of minutes.  If this is successful after you've turned the first one off, turn it back on and wait until it happens again, then turn the other one off and see if the same happens.
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Author Comment

by:flteng562
ID: 37734861
Hi craigbeck,

I will give it a try Monday morning when i get onsite. The strange thing is the network was up for about several hours with no problems then it went down.

Frank
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Accepted Solution

by:
flteng562 earned 0 total points
ID: 37774054
It turns out the AP's were overloading the workgroup switch. I changed out the switch to a more powerful one and the network has stayed up now for a week.
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Author Closing Comment

by:flteng562
ID: 37792757
Swapped out switches
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