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Forum Discussion
SavellM
Mar 19, 2012Aspirant
WNDAP360 losing connection
So I have a WNDAP360, running the latest 2.1.1 firmware. It is setup to be as basic as possible. I have disabled the QoS features, and set the channel. I looked with inSSIDer and got my 2 most free...
Viktor
Apr 18, 2013Aspirant
Hi,
I further investigated the case. I have to review my earlier diagnosis. There was a hang on my Ubuntu notebook too.
- The client was seemed connected at the client and at the controller too.
- No unicast traffic clould be able to pass through.
- Sniffing the traffic (on the client and on the AP's ethernet interface) showed that only broadcast and multicast traffic can pass the radio link during the issue.
- There are only "Incomplete" statuses in the client's ARP table.
So I suppose the root cause is in the AP's encryption key renewal or client MAC address handling process.
I tested in the following environment:
WC7520 controller version: 2.4.0.26_3161
WNDAP360 version: 2.4.0.26_1465
I opened a case on netgear support and waiting for the fix now.
Officially there is no workaround yet, but reconnecting the client. However it seems that switching back to 11g or 11a or WPA-TKIP it eliminates the hangs.
So if you want to know you have similar issue, check the client WiFi connection status and whether the ARP table on the client has "Incomplete" MAC-addresses. Collect the logs and open a case...and wait...
I hope Netgear will fix this soon. Our customer not very happy. They can not use the system on the production network.:(
Viktor
I further investigated the case. I have to review my earlier diagnosis. There was a hang on my Ubuntu notebook too.
- The client was seemed connected at the client and at the controller too.
- No unicast traffic clould be able to pass through.
- Sniffing the traffic (on the client and on the AP's ethernet interface) showed that only broadcast and multicast traffic can pass the radio link during the issue.
- There are only "Incomplete" statuses in the client's ARP table.
So I suppose the root cause is in the AP's encryption key renewal or client MAC address handling process.
I tested in the following environment:
WC7520 controller version: 2.4.0.26_3161
WNDAP360 version: 2.4.0.26_1465
I opened a case on netgear support and waiting for the fix now.
Officially there is no workaround yet, but reconnecting the client. However it seems that switching back to 11g or 11a or WPA-TKIP it eliminates the hangs.
So if you want to know you have similar issue, check the client WiFi connection status and whether the ARP table on the client has "Incomplete" MAC-addresses. Collect the logs and open a case...and wait...
I hope Netgear will fix this soon. Our customer not very happy. They can not use the system on the production network.:(
Viktor