I've got two questions about wireless behavior on a RB941-2nD running ROS v6.29.1.
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[admin@MikroTik-0QN8HV] > /interface wireless print detail
Flags: X - disabled, R - running
0 R name="wlan1" mtu=1500 mac-address=D4:CA:6D:C2:7D:3D arp=enabled
interface-type=Atheros AR9300 mode=ap-bridge ssid="aidan"
frequency=auto band=2ghz-b/g/n channel-width=20mhz scan-list=default
wireless-protocol=802.11 vlan-mode=no-tag vlan-id=1 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
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[admin@MikroTik-0QN8HV] > interface wireless monitor 0
status: running-ap
channel: 2447/20/gn(30dBm)
wireless-protocol: 802.11
noise-floor: -107dBm
But if we manually adjust frequency=2412 then performance improves to an average of 16.23 Mbps.
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[admin@MikroTik-0QN8HV] > interface wireless monitor 0
status: running-ap
channel: 2412/20/gn(30dBm)
wireless-protocol: 802.11
noise-floor: -109dBm
Second, enabling dual chain wireless doesn't improve performance. The iperf results above only utilize the default Tx/Rx on on chain0. And when both chain0 and chain1 are enabled for Tx/Rx iperf drops from 16.23 to 14.77 Mbps! Is this normal behavior?
Thank you for your time.
Aidan