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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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