[ale] [OT] ping

[bg-ale at bjorng.net (Björn Gustafsson)]

On Mon, Jul 19, 2010 at 6:01 AM, Paul Cartwright <ale at pcartwright.com> wrote:
> On Mon July 19 2010, Michael B. Trausch wrote:
>> I _love_ mtr, however "ping -c4 hostname.example.org" is so ingrained in
>> my "muscle memory"---and it does the job that I need 99% of the
>> time---that I still just use it as a matter of reflex.
>
> what is this telling me?
> mtr dyndns.org
>
> gi1-48.3802.mpd01.atl04.atlas.cogentco.com ? ? ?15% ? ? ?56 ? ? 66
> te7-4.mpd02.atl01.atlas.cogentco.com ? ? ? ? ? ?22% ? ? 51 ? ? ?66
> 38.104.190.54 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 73% ? ? 17 ? ? ?66
> dyndns.org ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 70% ? ? 19 ? ? 66

If those are the only output lines and the numbers are the %Loss Rcv
and Snt columns, it means your route to dyndns.org is short but very
unreliable.  Seventy percent packet loss is not good, even in a small
sample size.  It also indicates to me that you're using a relatively
old version of mtr, since my version doesn't show the "Rcv" column any
more.

-- 
Bj?rn Gustafsson