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Recent content by Rich Brown

  • SNBForums Code of Conduct

    SNBForums is a community for everyone, no matter what their level of experience.

    Please be tolerant and patient of others, especially newcomers. We are all here to share and learn!

    The rules are simple: Be patient, be nice, be helpful or be gone!

  1. R

    Looking for help buying an sqm Router with performance to almost 500mbit connection

    dlakelan's advice is very good, if you need a 500mbps or above link. Another post in that topic on the OpenWrt has contrarian advice: instead of spending more on your router, drop your ISP speed - a modest router at 100mbps with good SQM (10-15 msec latency) will outperform a 500mbps link that...
  2. R

    Need help with Bufferbloat at 400/100 speed

    @Snipzy - let me summarize what I'm hearing here: 1. You say you have lag when you're gaming - so you DO have a problem. 2. The Bufferbloat test sites simply make the bufferbloat repeatable. (It likely happens all the time, although briefly, anytime someone (someone else?) downloads or uploads...
  3. R

    [Mostly Solved] Huge bufferbloat

    If you're happy with your AC68U, then you should keep going. All the best...
  4. R

    [Mostly Solved] Huge bufferbloat

    And a follow-up to my previous note. It's good to keep after your ISP and get them to assure you that the line is operating up-to-spec. If it's not, they can make that part better. However, there's no way to modify the overhead percentage. But more importantly - it's your router (not the phone...
  5. R

    [Mostly Solved] Huge bufferbloat

    No. The 508 kbps is the actual rate your DSL modem is sending to the ISP. (Just as the 8063 kbps is the actual rate the ISP is sending to your DSL modem.) The overhead bits are a fixed fraction of that, and decrease the actual speed you'll get. There's no way to modify that fact.
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    [Mostly Solved] Huge bufferbloat

    PPPS - I didn't see anyone respond to your note, so here's what I know. The 8063 kbps (8.063mbps) is the fastest "bit rate" the ISP sends - there's a bunch of overhead that uses some of that to give you the actual ~6.5 to 7mbps you're seeing. On the upstream side, the link bit rate is 508 kbps...
  7. R

    [Mostly Solved] Huge bufferbloat

    I don't know what to tell you, except that I own and use an IQrouter, and I have a couple dozen neighbors (who know where I live :)) who are happy with the IQrouter on the 7mbps/768kbps DSL service we get here. PS I just checked Amazon for "iqrouter v3 renewed" and there are none. There are...
  8. R

    [Mostly Solved] Huge bufferbloat

    Actually, I was hoping that @sbsnb would post results. But thanks for sending yours... Oh yes, this is clearly bufferbloat. When you look at the chart below the Grades on the Results page: * Click on Idle, and you see that most samples are << 100msec (sounds right) * Click on Downloading...
  9. R

    [Mostly Solved] Huge bufferbloat

    Nope. IQrouter is a commercialized version of the OpenWrt firmware that solved bufferbloat back in 2012. I have helped ~30-40 people in my small hometown install an IQrouter to overcome exactly the symptoms you describe. (People say things like, "Everything works fine until my wife comes home...
  10. R

    [Mostly Solved] Huge bufferbloat

    I am curious about this result. Would you be willing to share a DSL Reports test and "ping a host and fire up a download" test? It would be helpful to see the results for pinging-and-upload, too. Many thanks.
  11. R

    [Mostly Solved] Huge bufferbloat

    Hi Joshua, I have been reading your tale of woe. From all indications, you do have bufferbloat. You can learn more at https://www.bufferbloat.net/projects/bloat/wiki/What_can_I_do_about_Bufferbloat/ (DSLReports.com/speedtest is a very good test, despite naysayer comments. Or run your own tests...
  12. R

    R7800 speed test shows high bufferbloat

    The OpenWrt firmware (formerly LEDE) in the R7800 takes control of all traffic queueing, and simply doesn't allow the traffic queues to build up (even in your cable modem) so your latencies stay low. See the OpenWrt wiki on SQM (their name for AQM) for the details of setting it up.
  13. R

    R7800 speed test shows high bufferbloat

    You're correct: DOCSIS 3.1 modems have an AQM (sometimes called "PIE") to manage bufferbloat. (DOCSIS 3.0 modems don't.) IQRouter from Evenroute is a commercial router that has AQM. (The "Latency is more important than the speed ..." article posted above comes from...
  14. R

    Bufferbloat?

    It's true that latency from bufferbloat only goes up when you saturate the link, but this happens much more frequently than you expect: * Do you ever go to web pages - most webpages these days are ~2MBytes - that's a two-megabyte file transfer for each page. * Do you ever use VoIP while you're...
  15. R

    Bufferbloat and QOS Asus AC66 Merlin

    Ouch. That's too bad. I have always wondered about Adaptive QoS - what are its major features? Where does it operate in the networking stack? Thanks.
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