[Bloat] AQM creeping into L2 equipment

[Dave Taht]

On Tue, Mar 18, 2014 at 2:05 PM, Fred Baker (fred) <fred at cisco.com> wrote:
>
> On Mar 18, 2014, at 10:17 AM, Dave Taht <dave.taht at gmail.com> wrote:
>
>>> I thought some of you might be interested in a small observation I made
>>> today: Cisco 2960-X, their latest low-end (?) L2 access switch offering
>>> (well, it can do some L3 as well, especially the 2960-XR, but I don't think
>>> it's very commonly used), has WRED on its feature list. They also have
>>
>> I would certainly like good documentation on how to configure it and
>> results with/without on a two ports into one test.
>
> Thus saith google: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960x/software/15-0_2_EX/qos/configuration_guide/b_qos_152ex_2960-x_cg/b_qos_152ex_2960-x_cg_chapter_010.html

from what I read here, SRR is something that rotates between 4
hardware queues, a far cry from SFQ.

And WTD (weighted tail drop) does not look like RED, either.

-- 
Dave Täht

Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html