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RBR20 Satellite when enbled causes intermittent internet
when the satellite of RBR20 is switched on, there will be frequent disruption of interrupt connection. When its left switched off, and have only the main router, then there will be no intermittednt...
Firmware Version: V2.5.1.16
AP mode is ON.
modem model:E31T2V1
Size of home: 3000 sqft
Distance between router:
Main rounter in 1st floor.
Satelite in 2nd floor at a vertical height of 10 ft and horizontal diatance of apx: 15-18 ft.
30 feet is recommended in between RBR and RBS to begin with depending upon building materials when wirelessly connected. https://kb.netgear.com/000036466/How-far-should-I-place-my-Orbi-satellite-from-my-Orbi-router
Try enabling Beamforming and MIMO(MIMO may or maynot be needed) and WMM. Under Advanced Tab/Advanced Settings/Wireless Settings
Try disabling the following and see:
Armor, Circle, Daisy Chain, Fast Roaming, IPv6 and Set 20/40Mhz Coexistence to 40Mhz only. Set Short preamble instead of Long preamble modes. Save settings and reboot the router and satellite(s).
Enabled Beam Forming. Did not enable MIMO
Dont know where to change these:
IPv6 and Set 20/40Mhz Coexistence to 40Mhz only. Set Short preamble instead of Long preamble modes
Restarted the both router and satellite.
The frequency of interruptions is not changed.
seeing these type of messages in logs which I dont know is the source for the interrptions?
[DoS Attack: SYN/ACK Scan] from source: 91.195.241.136
Note: For work, we connect to VPN .
Under Advanced Tab/Advanced Settings/IPv6
Under Advanced Tab/Advanced Settings/Wireless Settings
You can do a whois look up on that IP address...
Even after these changes, seeing DOS attcks from some IPs which is causing the internet diconnections.
eg: [DoS Attack: ACK Scan] from source: 3.132.204.55, port 443, Tuesday, July 28, 2020 08:51:04
Dont know why this should dicconnect the internet connection.