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andersa
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Joined: Sat Dec 19, 2015 2:29 pm

Performance issue with NetMetal 5 (922UAGS-5HPacT) with Atheros AR9888

Fri Apr 22, 2016 1:00 am

I'm having some strange issues with my AP. When i enable all three chains on the wireless nic, i get package loss on all interfaces. But with only chain0 and chain1 enabled (both rx and tx) - it works fine and i am getting ~200mbit/s a few meters away from it.

It is running fw version 3.33 and RouterOS 6.34. I recently upgraded from fw version 3.17 and RouterOS 6.24.

My wireless nic:
name="wlan1" mtu=1500 mac-address=4C:5E:0C:E5:33:FE arp=enabled interface-type=Atheros AR9888
mode=ap-bridge ssid="do-not-use" frequency=auto band=5ghz-onlyac
channel-width=20/40/80mhz-eeeC scan-list=default wireless-protocol=any 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=yes security-profile=NoAccessProfile
compression=no

One of my vap:
name="wlan1-vap1" mtu=1500 mac-address=4E:5E:0C:E5:33:FE arp=enabled
interface-type=virtual-AP master-interface=wlan1 ssid="XXXXX" 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=DomainUser

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