Graphing packet loss
jcoates at archive.org
Thu Dec 29 19:10:34 MST 2005
smokeping is easy and all it does is graph packet loss. i use it.
plus it's kind of neat looking.
> -----Original Message-----
> From: plug-bounces at plug.org [mailto:plug-bounces at plug.org] On
> Behalf Of Hans Fugal
> Sent: Thursday, December 29, 2005 5:11 PM
> To: plug at plug.org
> Subject: Graphing packet loss
> My dad is having serious come-and-go packet loss issues with
> his ISP (a Vernal local wireless setup). I'd like to give him
> some leverage with some nice cacti graphs of packet loss, but
> I'm having a hard time pinning down precisely what to graph.
> The following is an excerpt of /proc/net/snmp:
> Tcp: RtoAlgorithm RtoMin RtoMax MaxConn ActiveOpens
> PassiveOpens AttemptFails EstabResets CurrEstab InSegs
> OutSegs RetransSegs InErrs OutRsts
> Would any of those directly measure packet loss? If not,
> might some of the stats in /proc/net/tcp (or anywhere else)
> have the information (which I could then get into SNMP easy enough).
> It'd be really nice if I could tell on the router what kind
> of packet loss is happening, but I'm not sure you can do
> that, and since the subnet is a whole two computers that's
> not a big issue.
> Hans Fugal ; http://hans.fugal.net
> There's nothing remarkable about it. All one has to do is hit
> the right keys at the right time and the instrument plays itself.
> -- Johann Sebastian Bach
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