[PLUG] Network question

Derek Loree drl at drloree.com
Sat Nov 13 10:08:59 UTC 2004


On Fri, 2004-11-12 at 09:19 -0800, Sean Whitney wrote:
> I need to test latency and packet loss on specific router interfaces
> (about 10,000 interfaces).  My plan is to select a random device on the
> interface and ping it 10 times, and storing the best, worst, average and
> packet loss in a database table.  The issue is that this will be done
> from a server on a WAN, not the local router/bridge.  
> 
> So I'm trying to figure out how to minimize the WAN portion of the ping.
> Is it valid to also ping the router and subtract the difference?  I'm
> wondering about the validity of this because 1) Network conditions
> always change 2) Router's can be configured to respond to pings at a
> very low priority.

This sounds like a job for tcptraceroute, it will keep track of times
between hops, and you can use any tcp port that the router will respond
to.

Good Luck,

Derek Loree




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