[GTALUG] Wireless router -- which one?

David Collier-Brown davec-b at rogers.com
Mon Aug 22 13:37:02 EDT 2016


On 22/08/16 10:01 AM, D. Hugh Redelmeier via talk wrote:
> | From: William Park via talk <talk at gtalug.org>
>
> | My current router is Asus RT-N66U.  I didn't have problem with stock
> | firmware.  But, after upgrading to the latest firmware this weekend, I'm
> | experiencing "bufferbloat" problem.  When I download a large file (eg.
> | ISO file), I can't browse or send emails or anything, until the download
> | is finished or terminated.
>
> What does "latest firmware" mean?  Which firmware?  dd-wrt?  Asus' own?

I'm assuming Asus, as he said it was originally stock.


Bufferbloat happens where a slower link meets a faster one, and the 
symptoms are indeed insane latency when doing anything that has to pass 
through the same buffer as a bulk transfer.

Any the XX-WRT router OSs will have a recent fq_codel, and the team 
(Dave Taht, and fiends) are working on similar problems in wi-fi.

If the Asus router says it has fq_codel, check and see if you can move 
the bulk transfer to a wired interface.  Ditto if you use DD-WRT and 
friends. Wi-fi is sorta "fe-fi-fo-fum, I smell the bloat of a bufferman" 
(;-))

--dave

-- 
David Collier-Brown,         | Always do right. This will gratify
System Programmer and Author | some people and astonish the rest
davecb at spamcop.net           |                      -- Mark Twain

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