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Hi All,
I have my 500Mbps TalkTalk connection now installed.
However I am still seeing bufferbloat, I thought this wouldn't be an issue on FTTP? I am using the TalkTalk Hub. On download I see the ping go from 5ms to 100 or more and upload is similar.
Do I need a new router?
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You could create a direct connection between ONT and a laptop/PC and see if this clears the issue, thus proving it to be an issue with the router
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It does sound like it, assuming you're running wired. If you're on WiFi then that's a whole other kettle of fish. What's your current router?
I'm running OPNsense on a dual core i5-5250U with 8GiB RAM and my latency only increases ~5ms under load on a 900/120 FTTP connection.
https://www.waveform.com/tools/bufferbloat?test-id=1...
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If the bloat is an issue yes, absolutely.
The bloat showing in other ways than numbers on a screen?
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Also measure unloaded and loaded ping from separate machines on your network - that is measure ping from a machine thats not already doing a large transfer/speed test to create network load, just to be sure it’s not your single machine giving you poor looking results.
If it’s impacting you then you may need a router that has some smart queuing support.
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You'll see bufferbloat on any connection where your router is queueing packets when the upload (or download) is saturated. FTTP isn't a magic fix if the router doesn't do some form of Smart Queue Management.
I'd suggest OpenWRT and setting up Cake SQM. Only downside with faster connections is needing a more powerful router to run SQM at higher speeds.
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I'd suggest OpenWRT and setting up Cake SQM. Only downside with faster connections is needing a more powerful router to run SQM at higher speeds. The developer of the Merlin rebuild of the ASUS firmware warns that even with some of the top end ASUS routers with fast CPUs, using these queue management add ons can throttle speeds. So your 1 Gbps connection may drop to 500 or lower due to loss of hardware acceleration. Something to test and decide which one is more important to you.
22 years of broadband connectivity since 1999 trial - Live BQM
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I'm running OPNsense on a dual core i5-5250U with 8GiB RAM and my latency only increases ~5ms under load on a 900/120 FTTP connection.
https://www.waveform.com/tools/bufferbloat?test-id=1...
The following is Cerberus 300/50 with Mikrotik RB4011:
https://www.waveform.com/tools/bufferbloat?test-id=f...
I don't fully trust the test results because the browser CPU flatlines at 100% (it's a Macbook Pro 13" 2015, i7) and hence some of the jitter could be caused by processing delays.
The Mikrotik has a very basic queuing config:
| Text | 1
23
4 | /queue type
add kind=sfq name=sfq-default sfq-perturb=10/queue simple
add dst=pppoe-out2 max-limit=50M/330M name=nuc1 queue=sfq-default/default target=10.0.0.0/8,2001:db8::/56 |
(replaced my public IPv6 block with 2001:db8::/56 above)
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Another data point, using pfSense and QoS enabled (Kettop i7-7500U and QoS is CBQ)
https://www.waveform.com/tools/bufferbloat?test-id=f...
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I'd suggest OpenWRT and setting up Cake SQM. Only downside with faster connections is needing a more powerful router to run SQM at higher speeds. The developer of the Merlin rebuild of the ASUS firmware warns that even with some of the top end ASUS routers with fast CPUs,....
Fast ARM CPUs?
You can run a pretty power efficient x86 router these days to avoid this.
OPNSense
PiHole
Unifi for Wifi
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Fast ARM CPUs?
You can run a pretty power efficient x86 router these days to avoid this. Maybe, but then you add in the WiFi and switch, you have more than one 13A plug in use. Worth adding all together.
The proprietory CPUs have features that can handle PPPoE without needing a 12th Gen i7 at 1Gbps 
22 years of broadband connectivity since 1999 trial - Live BQM
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Having everything in one box is not always the best solution for everyone. Not sure why people here can't accept that everyone has different needs.
In my case Wi-Fi coverage of the whole house was resolved by using a ceiling mounted access point upstairs central in the house.
We needed more than 4 Ethernet ports so I bought a 16 port switch.
Now on FTTP, no modem required.
In our case a consumer type router in a plastic box with Wi-Fi and a switch wasn't needed and pfSense on an x86 network appliance (running idle at 5 watts and fan-less with no noise) is a great solution. We've had regular updates (both security and new features) to this router for the last 6 or 7 years and still going strong with updates, not sure you could say the same for any consumer router. It isn't for everyone of course, but there are good reasons to go a pfSense/OpnSense route on readily available hardware of our own choice.
Edited by E300 (Wed 24-Aug-22 17:31:54)
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Having everything in one box is not always the best solution for everyone. Not sure why people here can't accept that everyone has different needs. Oh I fully understand, just thinking of the cost of living challenges we are all facing. Many of my friends have mesh systems to solve the coverage issues.
It isn't for everyone of course, but there are good reasons to go a pfSense/OpnSense route on readily available hardware of our own choice. Good to know you have working on FTTP, with good throughput. Is that with PPPoE?
22 years of broadband connectivity since 1999 trial - Live BQM
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A 10w TDP J4125 will do it.
Also separate Wi-Fi is pretty much always better then that built into a router just by the fact it can be deployed in multiple locations.
Horses for courses and not everyone can be bothered to put in the effort, only complain about their [censored] internet 
OPNSense
PiHole
Unifi for Wifi
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Also separate Wi-Fi is pretty much always better then that built into a router just by the fact it can be deployed in multiple locations. That will depend on size of the property, but point made.
Horses for courses and not everyone can be bothered to put in the effort, only complain about their [censored] internet lol, yeah I’m with virgin media and the disconnections due to 30 year old hardware in the street are irritating.
22 years of broadband connectivity since 1999 trial - Live BQM
Edited by jchamier (Wed 24-Aug-22 19:59:26)
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