alexjwash Posted January 14, 2021 Share Posted January 14, 2021 xr500 running FW V2.3.2.104-DumaOS3.0-Beta ISP's Technicolor tc4400-am Modem Router is constantly disconnecting, logs show DHCP lease renewals every 30 minutes or so. Tried the latest FW update, disconnects persist. Tried rolling back to previous FW updates, no fix. Now with the 3.0 beta the router is performing better but I can't find a solution to the DHCP disconnect issue. Since upgrading to 3.0, disconnects only last 10 seconds or so(as opposed to 5-10 minutes before) but it's still long enough to boot me from every CoD game I join. I've done factory resets after each FW install and tried just about every solution I could find on these forums. ISP has been out twice and of course they swear everything is fine on their end. I'm just looking for basic functionality at this point but I'm at a dead end. Any ideas? Link to comment Share on other sites More sharing options...
Administrators Netduma Fraser Posted January 14, 2021 Administrators Share Posted January 14, 2021 Hey, welcome to the forum! Sorry to hear you're having this issue. It might be the ISP lease is every 30 minutes in which case they could extend that in theory. If you give devices reserved IPs in LAN Settings does that stop them disconnecting? Link to comment Share on other sites More sharing options...
alexjwash Posted January 14, 2021 Author Share Posted January 14, 2021 I confirmed with ISP this afternoon that their lease expires every 8 hours. All devices currently connected have reserved IPs but continue to disconnect regularly. Also getting this 20-30 times in the logs between DHCP lease changes - [DumaOS] Error parsing line in ARP table: 'fe80::deeb:94ff:feb5:9c19 dev brwan lladdr dc:eb:94:b5:9c:19 router STALE', Thursday, Link to comment Share on other sites More sharing options...
Administrators Netduma Fraser Posted January 14, 2021 Administrators Share Posted January 14, 2021 Thanks for confirming that, do you have IPv6 enabled on the router at all? If so could you disable this please and see if it is resolved? Link to comment Share on other sites More sharing options...
alexjwash Posted January 14, 2021 Author Share Posted January 14, 2021 IPv6 is disabled, not offered by my ISP so I've never turned it on Link to comment Share on other sites More sharing options...
Administrators Netduma Fraser Posted January 15, 2021 Administrators Share Posted January 15, 2021 Okay thank you, could you disable QoS completely from the Congestion Control menu please and see if that gets rid of the entries and the disconnects you've been seeing? Link to comment Share on other sites More sharing options...
alexjwash Posted January 15, 2021 Author Share Posted January 15, 2021 I think I've actually got it working. Going on 20+ hours with no disconnects. Factory reset after 3.0 beta install, QoS enabled set on Always, NAT filtering set to open, Disable SIP ALG checked, all my stationary devices (no phones/ipads) have IP reservations, UPnP on, IPv6 off. I followed the directions in the post linked below. Speedtests wired in to the XR500 are now identical to tests ran when wired directly to the modem. Finally! Not sure if any of the settings above played a part in fixing it but figured I'd post them just in case. https://community.netgear.com/t5/Nighthawk-Pro-Gaming-Routers/Fix-for-router-constantly-losing-connection-in-bridge-mode/td-p/1641529 Link to comment Share on other sites More sharing options...
Administrators Netduma Fraser Posted January 15, 2021 Administrators Share Posted January 15, 2021 That's brilliant to hear, thank you for posting your solution! Link to comment Share on other sites More sharing options...
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