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Your Xfinity gateway provides WiFi is that correct? In which case you'll need to put it in bridge mode or put the R3 in its DMZ. Does that mean you have devices connected to the gateway still? Always, Auto or Low Latency for Congestion Control? You'll need to experiment with the percentage here to improve your bufferbloat results. Keep in mind if you have speed test bypass enabled here you'll need to disable it for the test to register better to your changes. SmartBOOST is set fine. For the Geo-Filter: Quit the application/game/client completely - including the Battle.net client from the System Tray - important! Remove device from the Geo-Filter Give the PC the PlayStation Device Type in the Device Manager Resync from the Geo-Filter Map menu Re-add the device to the Geo-Filter Set up the Geo-Filter how you like Wait 2 minutes Boot up application/game/client To force servers you need to do the following: It's essential the Geo-Filter is enabled before the game client (e.g. Steam etc) or the game have been launched. If you change Geo-Filter settings when you're on the game then you will need to restart the game for those changes to take effect, otherwise it will use the previous Geo-Filter settings and appear not to be working. For settings ensure Ping Assist and Geo-Latency are disabled in the Geo-Filter menu that can be found by clicking ⋮ in the top right hand corner of the page and go to Settings. Strict Mode should also be enabled, it is enabled by default so if you haven't disabled it you can ignore it. If you have disabled it or want to check it can be found in the same Settings menu as above or in Settings > Troubleshooting > Advanced > Developer Options depending on your firmware version. Fast Search should also be disabled which it is by default so can be ignored if you haven't changed it, otherwise this can be found in the same place.

I will try to answer this as smooth as possible well also looking for advice with setting. 1. I have the DumaR3 connected to my Xfinity CBR2 Gateway Modem. I believe I have all my traffic flowing correctly with that setup. 2. I only have my PC connected to the R3 via Ethernet with no other devices connected. 3. I pay for 1250down/300up and get about 1400 down and 310up. 4. I let the DumaR3 run the test for for speeds and it was accurate. 5. I have it congestion control set to advanced and have both down and up set to 90%. 6. For smart boost I literally just did my PC and the gaming category. I don’t know if that’s good or bad. 7. I play PC on battle.net via Ethernet. 8. For the geo filter I just used the “use my location” option and then put the radius to about 530 meters. It still won’t consistently connect me to that Chicago server and stabilize ping for some reason. Any help is much appreciated and if you need any fine tune settings from my side or anything specifics just let me know. Thank you so much!

What is the model of the modem/router the R3 is connected to and how have you set that to ensure all traffic flows to the R3? E.g R3 in its DMZ, modem/bridge mode Are ALL devices connected to the R3? What are the speeds you pay for/receive? Have you entered those speeds into the router? How have you setup Congestion Control? How have you setup SmartBOOST? What platform are you playing on and how is it connected, via ethernet or WiFi? How have you setup the Geo-Filter?

Hello! Having some trouble connecting to my Chicago server (local) for COD Bo7. Also need help in getting an A+ on bufferbloat without totally destroying my download and upload speeds. Thanks.

Up to you, but If all devices are sitting behind the R3... You could remove the BT Smart Hub from the equation i.e. WAN line directly into the R3 and pop in the PPPoE creds. That's what I do with my BT/EE connection. See what works better for you hit reg wise (i.e. BT homehub handling the WAN or the R3)

Glad you found a workaround. It's not recommended to play with a VPN though as you will have a higher ping.

For the older games they do tend to start reducing the amount of servers available so that's likely what is happening here. If the Geo-Filter doesn't see them then they're not actively available unfortunately

Nvm found a different way to connect sending VPN to PC then console via USB Ethernet adapter.

HI Frasser, I still can't see the Amsterdam servers on Cold War and mw2023. I tried everything you have mention above. the only server that I see and connect are Frankfurt London and Paris.

Trying to use vpn with netduma while in game menu trying to connect it says Unable to connect to host. When i use Openvpn software shared network to ps5 it works. Hybird Vpn Config- Open VPN Using - client dev tun proto udp remote 217.138.208.91 1194 resolv-retry infinite remote-random nobind tun-mtu 1500 tun-mtu-extra 32 mssfix 1450 persist-key persist-tun ping 15 ping-restart 0 ping-timer-rem reneg-sec 0 comp-lzo no verify-x509-name CN=us9330.nordvpn.com remote-cert-tls server auth-user-pass verb 3 pull fast-io cipher AES-256-CBC auth SHA512 Config is connected Sun Apr 5 10:50:34 2026 OpenVPN 2.4.7 mipsel-openwrt-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [MH/PKTINFO] [AEAD] Sun Apr 5 10:50:34 2026 library versions: OpenSSL 1.1.1f 31 Mar 2020, LZO 2.10 Sun Apr 5 10:50:34 2026 WARNING: --ping should normally be used with --ping-restart or --ping-exit Sun Apr 5 10:50:34 2026 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts Sun Apr 5 10:50:34 2026 Outgoing Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication Sun Apr 5 10:50:34 2026 Incoming Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication Sun Apr 5 10:50:34 2026 TCP/UDP: Preserving recently used remote address: [AF_INET]217.138.208.91:1194 Sun Apr 5 10:50:34 2026 Socket Buffers: R=[163840->163840] S=[163840->163840] Sun Apr 5 10:50:34 2026 UDP link local: (not bound) Sun Apr 5 10:50:34 2026 UDP link remote: [AF_INET]217.138.208.91:1194 Sun Apr 5 10:50:34 2026 TLS: Initial packet from [AF_INET]217.138.208.91:1194, sid=88021dab 3d3f5cb0 Sun Apr 5 10:50:34 2026 WARNING: this configuration may cache passwords in memory -- use the auth-nocache option to prevent this Sun Apr 5 10:50:35 2026 VERIFY OK: depth=2, C=PA, O=NordVPN, CN=NordVPN Root CA Sun Apr 5 10:50:35 2026 VERIFY OK: depth=1, O=NordVPN, CN=NordVPN CA11 Sun Apr 5 10:50:35 2026 VERIFY KU OK Sun Apr 5 10:50:35 2026 Validating certificate extended key usage Sun Apr 5 10:50:35 2026 ++ Certificate has EKU (str) TLS Web Server Authentication, expects TLS Web Server Authentication Sun Apr 5 10:50:35 2026 VERIFY EKU OK Sun Apr 5 10:50:35 2026 VERIFY X509NAME OK: CN=us9330.nordvpn.com Sun Apr 5 10:50:35 2026 VERIFY OK: depth=0, CN=us9330.nordvpn.com Sun Apr 5 10:50:35 2026 Control Channel: TLSv1.3, cipher TLSv1.3 TLS_AES_256_GCM_SHA384, 4096 bit RSA Sun Apr 5 10:50:35 2026 [us9330.nordvpn.com] Peer Connection Initiated with [AF_INET]217.138.208.91:1194 Sun Apr 5 10:50:36 2026 SENT CONTROL [us9330.nordvpn.com]: 'PUSH_REQUEST' (status=1) Sun Apr 5 10:50:36 2026 PUSH: Received control message: 'PUSH_REPLY,redirect-gateway def1,dhcp-option DNS 103.86.96.100,dhcp-option DNS 103.86.99.100,explicit-exit-notify,comp-lzo no,route-gateway 10.100.0.1,topology subnet,ping 60,ping-restart 180,ifconfig 10.100.0.2 255.255.240.0,peer-id 1,cipher AES-256-GCM' Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: timers and/or timeouts modified Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: explicit notify parm(s) modified Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: compression parms modified Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: --ifconfig/up options modified Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: route options modified Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: route-related options modified Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options modified Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: peer-id set Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: adjusting link_mtu to 1657 Sun Apr 5 10:50:36 2026 OPTIONS IMPORT: data channel crypto options modified Sun Apr 5 10:50:36 2026 Data Channel: using negotiated cipher 'AES-256-GCM' Sun Apr 5 10:50:36 2026 Outgoing Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key Sun Apr 5 10:50:36 2026 Incoming Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key Sun Apr 5 10:50:36 2026 TUN/TAP device tun0 opened Sun Apr 5 10:50:36 2026 TUN/TAP TX queue length set to 100 Sun Apr 5 10:50:36 2026 /sbin/ifconfig tun0 10.100.0.2 netmask 255.255.240.0 mtu 1500 broadcast 10.100.15.255 Sun Apr 5 10:50:36 2026 /bin/touch /tmp/lua_bnojmG tun0 1500 1585 10.100.0.2 255.255.240.0 init Sun Apr 5 10:50:36 2026 Initialization Sequence Completed

Okay great so now you'll need to adjust Congestion Control manually, set to Always or Auto (but this depends how SmartBOOST has been setup to prioritize what you care about), experiment with the percentages and see what works best to start giving you better results

Peut être que tu n'as pas mis le mode de contrôle sur "Toujours" et désactivé le contournement de test de vitesse ? C'est la seule façon pour obtenir un A+

1. The speeds I pay for/receive are 53-73Mbps with an upload of 14-18Mbps 2. I've entered the speed into the router, yes, however speaking with the BT technician OTP said speeds lower than my advertised. 3. From the first way I set up the congestion control was it was by clicking expert, letting the download and upload to stay at 100%, whilst also letting the congestion control mode to be on auto. I ran the test in ping optimiser at expert too. 4. SmartBOOST was enabled prior to me factory reseting my R3. 5. I've been playing Valorant and OW2. I had believed it was PC issues that were causing these ping spikes as every time I loaded into Valorant my ping had shown at 200ms. It had needed "time" to "calibrate" my ping back to normal (which was 12ms) however my ping was a lot lower compared to what it was (around 7ms). Playing the game I could tell I had immense stutters and ping spikes which to a point it had to tried to stabilise the ping by doubling my ping to around 14-20ms. 6. The platform is PC, the way I have my network setup is having the BT Smart Hub 2 connected to the R3 with the R3 included ethernet cable. So it would be ethernet goes into smart hub 2 LAN port and the other end into R3's WAN port. 7. Geo-Filter is disabled as the feature doesn't benefit me at all. I've just now connected everything to the R3 completely, all devices. I've also added it to the DMZ.

It's going to be difficult to get better results without ALL devices being connected to the R3, that's why you felt as though adjusting Congestion Control was barely doing anything because it's only applying to 1 device out of your entire network so that's all it can control. Devices connected to the hub can do whatever they like and the R3 can't do anything to stop them so I don't know how much you're actually going to be able to improve things without doing that. Also are you purely concerned about the test results or are you having a negative experience in game that coincides with this? Put the R3 WAN IP in the Hub DMZ. What are the speeds you pay for/receive? Have you entered those speeds into the router? How have you setup Congestion Control? How have you setup SmartBOOST? What game are you playing? What platform are you playing on and how is it connected, via ethernet or WiFi? How have you setup the Geo-Filter?

Basically, I have the netduma R3 and my ping has recently gone under a lot of spikes. I used to score an A+ on waveform buffer-bloat test, now I'm struggling to even get a C+ (a lot of the time it tends to be an F). I've used the ping optimizer multiple times, tried different congestion controls and it seems to not do anything, it states my ping is stable yet doesn't improve it, last test I ran I had an upload ping of around 400ms and my download would be at 6.9 (which I will take). So it obviously came to my conclusion somethings wrong with the upload. I've done a lot of looking and honestly am super demotivated. The image attached is a score of what I got when I had the R3 the day I got it after running it's ping optimizer (which was August 2024), and this random ping spike / stutter / increase at times only recently started to happen. So I'm on my knees here. The images I've attached show an A+ result of bufferbloat when I had got my R3 back in August 2024, and the F result is today. I've also attached my speed test (I know, I live in London in a bad area where my speeds aren't good). The last image shows my conversation with Fraser, it was only the beginning so there wasn't much depth that we got into solving my issue. So here I am opening up a topic so I can get the help I need.

Yes that's correct, thank you and you!

Hi So it arrived on time. So didn’t have to do pppoe. I decided not to use R3 for at least a week just so I could have a baseline of my ISP without and with R3. So tomorrow night - Saturday - I will doing the R3 to fritzbox just to ensure I do the most performant way. Plug R3 into a lan port on Fritz > go to Fritz give it static ip > select expose host > enjoy gaming. Is that the right flow? I hope you and your team have a great weekend.

Okay fair enough, I'm sure we could solve it given more time but I'd suggest contacting [email protected] fairly quickly then as you said you bought it 3 weeks ago.

yeah its still kicking me off while downloading a large file on 5G anyways am going to return it. it's a bummer.

How did you disable it previously? Disabling SmartBOOST fully from its menu would disable Congestion Control so re-enable it. Then adjust Congestion Control in Ping Optimizer > Advanced.

where do i disable it?

https://forum.netduma.com/forum/151-netduma-r3-early-access/

Where can I download the beta firmware for r3 ?

Added

@Netduma Fraser can I also get added to the early access firmware ?