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Re: patrolling network thoughput
Is this a different question than the one that was asked yesterday? If
none of the solutions that were suggested fit your needs, then you might
consider mrtg. It can create graphs that show bandwidth usage over time.
With that being said, I should mention that I've seen many routers
respond slowly to pings when experiencing high utilization. I believe
that responding to pings doesn't get as high a priority in the router
OS. In other words, the ping response time doesn't necessarily mean that
the default gateway is taking 1000 ms to route packets. Do you get 1000
ms response on pings that travel through your default gateway?
On 01/19/2011 10:26 PM, James K. Lowden wrote:
What do you use to measure network thoughput over time? netstat(8) seems to be
designed to debug a tcp stack, not to measure throughput.
I'm getting ping times> 1000 ms on my DSL line to my default gateway. I think
those times should be ~20 ms, and I think the ping times do *not* vary (nor should
they) with line utilization. But I don't have a good way to show that.
I'd like something simple: to measure bytes/time in and out. I'll run ping
during while the measurement is taking place to verify it's not traffic that is
delaying the ping times.
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