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ifixidevices's avatar
ifixidevices
Luminary
Jun 10, 2016
Solved

R8500: QOS is terrible on this $400 router

So prior to getting this router I was using a $20 off of eBay refurbished Linksys E6500 router running DD WRT (yes you can run it on that router if you know where to find the firmware for it.) Anyway, the throughput wasn't the greatest but I never had issues.

 

I have a ReadyNAS RN516 at my office and backup my macs via time machine to the office nas. I also have charter which only gives 4mbps upload speed (it's slow but once it completes the initial backup subsequent backups are fine.) In real life it's more like 4.75mbps. I have the QOS set to 3.75 to make sure that my modem doesn't bufferbloat and kill my connection.

 

My issue however is that frequently my devices slow to a crawl (whether over 5Ghz wireless or hardwired) whenever I'm uploading. On my other router I just set 4mbps as the upload limit and all the devices shared that 4mbps equally and I never had any issue with slowdowns or high pings and lag. On this router it doesn't matter what I set the upload speed at... it just lags out for no apparent reason.

 

So can someone tell me why free DD WRT software works better than the software on a $400 router? Just curious?

  • The new firmware seemed to have helped. I adjusted a few things as well and it appears to be working fine.

     

    As for the comment of 3 figure routers and 4 figure routers there has to be some improvement over the 2 figure routers and multi-3 figure routers otherwise what's the point?

     

    I'm trying to future proof a little which is why I picked this router. Regardless though I may just take it back and stick with my $20 DDWRT router. I don't have the latest and greatest tech (2012 macbook air and multiple iPhone 6 plus' and one room over from the router and I can't even get 60mbps through any speedtests (run it through the gigabit mac that's hardwired and I get around 65mbps every time.

     

    I don't have a fast enough nas box at my home but I'd be curious to see wireless to lan speeds. I wonder if I can even break 100mbps with this thing...

7 Replies

  • On a consumer level routers QoS don't work ideally. At the best you can do b/w limiting.  If you really really need good working QoS, look into enterprise (pro) level routers which needs some steep learning curve. Consumer routers don't have enough memory and horse power to have good working QoS. After spending hours and hours, I became to realize that is the case.  Also didn't you see

    you lose speed ~5% when QoS is enabled? I just don't bother with it.

    • ifixidevices's avatar
      ifixidevices
      Luminary

      The problem is with upload though. It kills my connection if there's no QOS on the upstream side. DDWRT does a really good job with it and it doesn't cost anything and you can put it on cheap routers.

       

      I just expected a lot more out of a $400 router, that's all I'm saying.

      • VE6CGX's avatar
        VE6CGX
        Master

        dd-wrt is coming from the days of WRT-54G. There is no comparison between 3 figure routers and those of 4 figure ones. At least you can get

        by with dd-wrt.  I have been long retired from the field. I don't do any professional work any more. Just anything at consumer level devices can't

        meet the expectations of some folks. It is like expecting Honda Civic drive like a Porsche McCan, LOL!...