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Nv2 Lite5 ac + mANT 19s stuck at 6Mbps

Wed Sep 07, 2016 11:09 am

Hi all,

I'm connecting (in the lab) an SXT Lite5 ac to an mANT 19s, in Nv2 mode, and I'm only able to achieve a 6Mbps link. Bandwidth test shows 45Mbps throughput in TCP mode 50 connections, bidirectional.

I've left things mostly as defaults, and tried in AC-only and A/N/AC mode too, and tweaking radius and regulatory domain settings, but no matter what, getting the same result. Here's the config for both:

mANT:
0  R name="W_BACKHAUL" mtu=1500 l2mtu=1600 mac-address=E4:8D:8C:FD:B5:D3 arp=enabled disable-running-check=no
      interface-type=Atheros AR9888 radio-name="E48D8CFDB5D3" mode=ap-bridge ssid="POA_BACKHAUL" area=""
      frequency-mode=superchannel country=russia2 antenna-gain=0 frequency=auto band=5ghz-a/n/ac
      channel-width=20/40mhz-Ce scan-list=default wireless-protocol=nv2 rate-set=default
      supported-rates-a/g=6Mbps,9Mbps,12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps
      basic-rates-a/g=6Mbps,9Mbps,12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps max-station-count=50
      distance=dynamic tx-power-mode=default dfs-mode=none vlan-mode=no-tag vlan-id=1 wds-mode=disabled
      wds-default-bridge=none 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 wmm-support=disabled hide-ssid=no security-profile=default
      wps-mode=disabled 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=0,1,2,3,4,5,6,7
      guard-interval=any ht-supported-mcs=mcs-0,mcs-1,mcs-2,mcs-3,mcs-4,mcs-5,mcs-6,mcs-7,mcs-8,mcs-9,mcs-10,mcs-
                 11,mcs-12,mcs-13,mcs-14,mcs-15,mcs-16,mcs-17,mcs-18,mcs-19,mcs-20,mcs-21,mcs-22,mcs-23
      ht-basic-mcs=mcs-0,mcs-1,mcs-2,mcs-3,mcs-4,mcs-5,mcs-6,mcs-7 vht-supported-mcs=mcs0-9,mcs0-9,mcs0-9
      vht-basic-mcs=mcs0-7 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=enabled nv2-preshared-key="r3scu3m3"
      hw-retries=10 frame-lifetime=0 adaptive-noise-immunity=ap-and-client-mode
      hw-fragmentation-threshold=disabled hw-protection-mode=none hw-protection-threshold=0 frequency-offset=0
      rate-selection=advanced multicast-helper=default multicast-buffering=enabled keepalive-frames=enabled
      pci-info="00:00.0"
SXT:
 0  R name="W_BACKHAUL" mtu=1500 l2mtu=1600 mac-address=6C:3B:6B:13:9F:0E arp=enabled disable-running-check=no
      interface-type=Atheros AR9888 radio-name="6C3B6B139F0E" mode=station-bridge ssid="POA_BACKHAUL" area=""
      frequency-mode=superchannel country=russia2 antenna-gain=0 frequency=auto band=5ghz-a/n/ac
      channel-width=20/40mhz-Ce scan-list=default wireless-protocol=nv2 rate-set=default
      supported-rates-a/g=6Mbps,9Mbps,12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps
      basic-rates-a/g=6Mbps,9Mbps,12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps max-station-count=2007
      distance=dynamic tx-power-mode=default dfs-mode=none vlan-mode=no-tag vlan-id=1 wds-mode=disabled
      wds-default-bridge=none 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=yes
      default-ap-tx-limit=0 default-client-tx-limit=0 wmm-support=disabled hide-ssid=no security-profile=default
      wps-mode=disabled 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=0,1,2,3,4,5,6,7
      guard-interval=any ht-supported-mcs=mcs-0,mcs-1,mcs-2,mcs-3,mcs-4,mcs-5,mcs-6,mcs-7,mcs-8,mcs-9,mcs-10,mcs-
                 11,mcs-12,mcs-13,mcs-14,mcs-15,mcs-16,mcs-17,mcs-18,mcs-19,mcs-20,mcs-21,mcs-22,mcs-23
      ht-basic-mcs=mcs-0,mcs-1,mcs-2,mcs-3,mcs-4,mcs-5,mcs-6,mcs-7 vht-supported-mcs=mcs0-9,mcs0-9,mcs0-9
      vht-basic-mcs=mcs0-7 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=enabled nv2-preshared-key="r3scu3m3"
      hw-retries=10 frame-lifetime=0 adaptive-noise-immunity=ap-and-client-mode
      hw-fragmentation-threshold=disabled hw-protection-mode=none hw-protection-threshold=0 frequency-offset=0
      rate-selection=advanced multicast-helper=default multicast-buffering=enabled keepalive-frames=enabled
      pci-info="00:00.0"
Any help greatly appreciated. The two units are about 10m from each other. Both are on 6.36.3.
 
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Re: Nv2 Lite5 ac + mANT 19s stuck at 6Mbps

Wed Sep 21, 2016 1:13 pm

Nobody has seen this happen before? Anyone from Mikrotik?

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