[GRLUG] Newbie Network Quality Question

Ben DeMott ben.demott at gmail.com
Tue Jan 29 17:43:24 EST 2013


I guess the only difference is it isn't afforded the niceties of TCP or UDP
- in my experience it seems to be less fault tolerant when sending larger
packets. Also, I'm sorry I mis-spoke.  The maximum packet-size for the body
of an ICMP-Echo request is 65507 bytes.
I don't really have any documentation to back this up, but it has been my
personal experience that when you have weird cable/driver/card issues ICMP
with large packets usually breaks.


On Tue, Jan 29, 2013 at 5:36 PM, L. V. Lammert <lvl at omnitec.net> wrote:

> On Tue, 29 Jan 2013, Ben DeMott wrote:
>
> > Run a ping with larger packet sizes.  Ping's usually go fine even when
> > there are damaged network cables.  One time drove myself nuts and all it
> > was was a bad 5e cable.  Ping with 4096 byte payload (maximum) would
> > typically fail - and thats when I knew it was a problem with sustained
> data
> > transer.
> >
> Is there something wrong with speedtest.net??
>
>         Lee
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