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Posts: 44
Joined: Thu Dec 20, 2007 9:04 pm

QRT (RB911G-5HPnD) Very Low Throughput

Wed Jul 08, 2015 4:43 pm

We have installed a pair of QRT units as a PTP backhaul, almost 19km, and have very good line of sight. We are using 5GHz-A 20MHz channel with 100% CCQ values and a -61dbm signal on both ends. We can use the built in bandwidth speed test and get good results, usually around 35 mbps to 43mbps using TCP. In actual use we can only push between 3mbps to 6mbps of real data. We have tried N mode, wider and narrower channels, all with no change. Another problem we have is the units will only associate in NV2 protocol. We can't get them to associate using 802.11 or NStreme. I have probably done something wrong but can't figure it out. I have also upgraded to 6.29.1, updated the firmware and have even tried the Wireless-FP package. Any ideas on what might be the problem? I can provide config's if needed.
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Joined: Fri Mar 04, 2005 9:49 am
Location: Poland (Warsaw)

Re: QRT (RB911G-5HPnD) Very Low Throughput

Sat Jul 11, 2015 10:23 am

Yeep... Show your
/int wir pr ad
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Topic Author
Posts: 44
Joined: Thu Dec 20, 2007 9:04 pm

Re: QRT (RB911G-5HPnD) Very Low Throughput

Tue Jul 14, 2015 6:33 pm

Here is the information you were wanting.

[admin@BH-MAINTWR-MOORELAND] > int wir pr ad
Flags: X - disabled, R - running
0 R name="wlan1" mtu=1500 mac-address=4C:5E:0C:81:15:FE arp=enabled
disable-running-check=no interface-type=Atheros AR9300
radio-name="BH-MAINTWR-MOORELAND" mode=bridge ssid="BH-MOORELAND"
area="" frequency-mode=superchannel country=united states
antenna-gain=24 frequency=5220 band=5ghz-a channel-width=20mhz
scan-list=default wireless-protocol=nv2 rate-set=default
basic-rates-a/g=6Mbps max-station-count=2007 distance=dynamic
tx-power-mode=default noise-floor-threshold=default
nv2-noise-floor-offset=default dfs-mode=none vlan-mode=no-tag vlan-id=1
wds-mode=dynamic wds-default-bridge=bridge1 wds-default-cost=100
wds-cost-range=50-150 wds-ignore-ssid=no update-stats-interval=disabled
bridge-mode=enabled default-authentication=yes default-forwarding=no
default-ap-tx-limit=0 default-client-tx-limit=0
proprietary-extensions=post-2.9.25 wmm-support=disabled hide-ssid=no
security-profile=default disconnect-timeout=3s on-fail-retry-time=100ms
preamble-mode=both compression=no allow-sharedkey=no
station-bridge-clone-mac=00:00:00:00:00:00 ampdu-priorities=0
tx-chains=0,1 rx-chains=0,1 amsdu-limit=8192 amsdu-threshold=8192
tdma-period-size=2 nv2-queue-count=2 nv2-qos=default nv2-cell-radius=30
nv2-security=disabled nv2-preshared-key="" hw-retries=7
frame-lifetime=0 adaptive-noise-immunity=none
hw-fragmentation-threshold=disabled hw-protection-mode=none
hw-protection-threshold=0 frequency-offset=0 rate-selection=advanced
multicast-helper=default multicast-buffering=enabled

Thanks .. Jay
Posts: 32
Joined: Sat Jul 25, 2015 9:27 pm

Re: QRT (RB911G-5HPnD) Very Low Throughput

Sat Jul 25, 2015 10:54 pm

What do you mean by real data? Isnt the speedtest you did real data ?

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