[103918] in North American Network Operators' Group
Re: Bandwidth issues in the Sprint network
daemon@ATHENA.MIT.EDU (Chris Adams)
Fri Apr 18 00:29:04 2008
Date: Thu, 17 Apr 2008 23:10:35 -0500
From: Chris Adams <cmadams@hiwaay.net>
To: nanog@merit.edu
Mail-Followup-To: Chris Adams <cmadams@hiwaay.net>, nanog@merit.edu
In-Reply-To: <013801c8a102$7e3aac00$046f09cb@ltdbeast>
Errors-To: owner-nanog@merit.edu
Once upon a time, Lincoln Dale <ltd@interlink.com.au> said:
> even with tuned TCP window sizes, make sure you don't have TCP syncookies
> enabled on either endpoint.
IIRC Linux (at least) syncookies only come into play when you are being
syn-flooded (i.e. when the kernel has to start dropping syns). Having
them enabled at other times has no impact, so there's rarely (if ever) a
reason to disable them.
--
Chris Adams <cmadams@hiwaay.net>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.