[nzlug] Slow uploads to Trademe

[Cliff Pratt]

Nick Rout wrote:
> On Tue, 08 Aug 2006 12:11:11 +1200 Joel van Velden <joel at tpnz.co.nz>
> wrote:
> 
>> On Tue, 2006-08-08 at 08:30 +1200, Hadley Rich wrote:
>>> On Tuesday 08 August 2006 10:12, cr wrote:
>>>> mtu 512 is the answer in my case).
>>> Wow, that's small.
>> You could take the scientific approach of changing the MTU between
>> 512 and 1500 (say in increments of 100) and timing how long it
>> takes to send an email with an attachment to yourself or something
>> similar.
>> 
>> My guess is you've got a bad phone line and noise on the line is
>> killing off packets. the larger your MTU the more data is in a
>> packet and more data has to be resent if a packet gets killed.
>> 
>> There's nothing wrong with a small MTU, all it will do is reduce a 
>> little efficiency when downloading at 56k. It may even increase
>> your ping times if you're lucky.
>> 
>> Cheers, Joel van Velden
> 
> How about just sending pings to the offending server with increasing
> packet sizes until it fails.
> 
If it does return pings. Many don't these days.

Cheers,

Cliff