Wpa2 validating identity
It was put in purely to stream media from the lan to wireless clients and it has failed. Simple way to reproduce is to begin pushing data through the wlan e.g.
ping from host sitting 1meter from router without anything running, response 1ms almost consistent.
If for example I start a ping FROM the N900 to an outside host, it somewhat works as long as the ping is running.
clients still get stong singals as tx power is fine but rx is almost non existant.
I even have 2 units which are stuck in a strange situation they power on and all ethernet ports lights are on with no wires attached no ports are working but wifi is working you connected to wifi and access winbox try to reset or upgrade the os.
/interface wireless print 0 R name="wlan1" mtu=1500 mac-address=00:0C:42: XX: XX: XX arp=enabled interface-type=Atheros 11N mode=ap-bridge ssid="wlan" frequency=2457 band=2ghz-b/g/n channel-width=20/40mhz-ht-above scan-list=default wireless-protocol=802.11 antenna-mode=rxa-txb wds-mode=disabled wds-default-bridge=none wds-ignore-ssid=no bridge-mode=enabled default-authentication=yes default-forwarding=yes default-ap-tx-limit=0 default-client-tx-limit=0 hide-ssid=no security-profile=default compression=no I have just tested on the same frequency with the same hosts on a tplink 1043nd and the throughput was a pretty consistent ~100mbps with 1-3ms latency for 10 minutes.
This unit was half the price of the 751u and has gig interfaces I may have to just use that instead and shelf the 751uwell the device i would never recomend for its wifi.
If I manually set noise-floor to -90d B it becomes usable, but still I have reliability problems. More than 3 AP's in 2,4Ghz band means interference since there are only 3 separated 20Mhz channels available in 802.11b/g If the radio's are even working in 802.11n than you already have interference with 2 units at the same time.