Why Are My Upload Speeds High but Download Speed Ow

If you've found that your download speed is peachy, but your upload speed is abysmal, I've got a possible solution for you. I struggled with this issue for a while and decided to write downward my findings in a web log postal service in case I, or anyone else, runs into this in the hereafter.

In fact, this is the second such weblog post I'grand writing: a couple years agone, I hit the the inverse issue and documented the solution in a blog post chosen Got slow download simply fast upload speeds over wireless? Here's a set. That post has had several hundred thousand views and helped many people (check out the comments—I fifty-fifty got a marriage proposal), so I'm hoping this post will be useful too!

Here'southward your tldr: upgrade your router's firmware.

Symptoms

I noticed that on all my devices - a Macbook Pro, iPhone, Windows desktop - webpages were sometimes taking a long time to load; it was a bit intermittent, merely everything from google maps to gmail of a sudden got very sluggish. I have one of their higher tier Internet plans from Comcast, then this was pretty disappointing.

I ran a bandwidth test on http://world wide web.speedtest.cyberspace/ and the results were roughly the same beyond all of my devices:

At 57 Mb/due south, the download speed was great; however, the upload speed was a mere 0.17 Mb/s, which is pretty much unusable. In fact, I had to re-run the test several times, as occasionally, the upload portion of the test would get stuck and never complete.

The solution

I tried rebooting the router, the cable modem, tweaking a bunch of settings, but nothing helped. I besides checked with Comcast to ensure at that place were no issues our outages in my area, and of grade, everything was fine.

Finally, I stumbled upon the solution: a firmware upgrade. My router, a Cisco/Linksys E1200, was using firmware version ii.0.02. I went over to Linksys' support page, establish my router, and saw that a newer version, 2.0.06, was available. Here's a snippet from the release notes:

            Product:          Linksys E1200, Wireless-N Router Classification:   Firmware Release History ____________________________________________________________________   Firmware 2.0.06 (build 6) - Minor cosmetic browser-based GUI update. - Various minor problems fixes.   Firmware 2.0.05 (build 2) - Enhanced WAN-to-LAN performance when Internet connection type is ready to PPPoE.   Firmware ii.0.04 (build 1) - Resolved issue with subtract in download speed when WMM is enabled. - Resolved issue with decrease in upload speed when QoS is enabled. - Increment throughput performance when parental command is not enabled. - Resolved issue with incorrectly handle RTSP under certain circumstances. - Resolved PPPoE connexion issue with a few ISPs.   Firmware ii.0.03 (build 10) - Added dual-stack lite (DS-lite) support. - Allow native IPv6 and 6rd support to be enabled simultaneously. - Implemented Wi-Fi Protected Setup lock-down mechanism to prevent brute force attack. - Resolved result with non beingness able to admission the browser-based GUI via HTTPS when newer versions of Cyberspace Explorer or Firefox is used. - Added Danish support in the browser-based GUI.          

The notes for version 2.0.04 are especially interesting, equally they set bugs with WMM (which was the cause of problems in my previous blog mail service), QoS, and more.

I figured it was worth a shot, downloaded the ii.0.06 firmware, and installed it through my router's admin UI. The instructions for upgrading the firmware will not be the same for all routers, but here'southward roughly what you need to exercise:

1. Go to [http://192.168.i.one](http://192.168.1.1/) and login to your router. If you've never done this, look for instructions that came with your router or practise a google search to find the default username and password.
2. Click on "assistants".
3. Click on "firmware upgrade".
4. You should run into a page like this:

   

5. Click "Cull File" and select the firmware file you downloaded.
6. Click "Start Upgrade". DO NOT unplug your router or click anything else in the concurrently; let the upgrade consummate!
7. Wait a minute or and so for your router to reboot.

The results

Later on the router restarted, I re-ran my speed test, and the results were much nicer:

The download speed is notwithstanding a zippy 57 Mb/s, but at present the upload speed is fast as well, at eleven Mb/s, or nigh 70x faster than what it was before. Woohoo!

I hope yous constitute the postal service helpful. If your router has a different firmware upgrade process, leave a comment with the steps you followed so others can detect it. Happy web browsing!

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Source: https://www.ybrikman.com/writing/2014/04/14/got-fast-download-but-slow-upload/