[BBLISA] slow wan link

[John P. Rouillard]

In message <alpine.DEB.2.00.1206061936530.2766 at nber7.nber.org>,
Daniel Feenberg writes:
>We have maxed out our WAN link, and users are complaining of slow access 
>to websites and x-windows interaction. Yet when I ping sites on the 
>internet I see no lost packets, and ping times for relatively close hosts 
>are consistently 20 - 30 milliseconds. Large packets are about the same. 
>Ping times to our ISP's router at their POP are 2-4 milliseconds. I see no 
>dropped pings to real hosts. Sometimes the ISP router drops a ping but I 
>understand that may be due to ICMP limiting.
>
>I have difficulty reconciling these facts. If pings are fast and packets 
>are not dropped, why do users see problems? I can confirm things seem 
>slow. Is this the dreaded "buffer bloat" problem so recently hyped? Is 
>there anything I can do here to aleviate it while waiting for more 
>bandwidth?

One thing you may want to try is run:

  http://netalyzr.icsi.berkeley.edu/index.html

it returns a lot of info about your network connectivity, buffer
delays etc that may point at an issues as well.

--
				-- rouilj
John Rouillard
===========================================================================
My employers don't acknowledge my existence much less my opinions.