[clug] Advice needed: monitoring my ISP's speed
drs at dreamcraft.com.au
Mon Mar 1 04:37:51 GMT 2004
On Mon, Mar 01, 2004 at 12:18:13PM +0800 or thereabouts, Simon Cousins wrote:
> Hi Cluggers,
> I'm sitting behind a corporate Ethernet net feed in Beijing that varies from
> 100+Kb/sec to 0Kb/sec all day every day. I suspect the building owners are
> not buying enough feed to satisfy all the building's tenants.
> I have a Linux host co-located in a local kickass Beijing datacenter, so I
> figure I have the hardware necessary to monitor an end-to-end speed test for
> a week.
> I'm unsure of the best way to proceed with setting up a test though. I
> recall a handy Linux app that graphed a wide range of performance
> characteristics on Ethernet and router ports a few years ago, but the name
> escapes me. I've googled for advice, but amongst the detritus of vendors
> hawking internet 'acceleration' and USA-based host testing, I've been
> unsuccessful in getting CLUG-quality advice.
You could try smokeping, YA fine Toby Oetiker tool.
It will give you latency and packet loss measurements.
We currently use it for VoIP monitoring across AARNet.
> Any suggestions gratefully received. I need hard evidence to force the
> landlord to take my complaints seriously (building complex Zope portals
> ain't much fun behind 4Kb/sec...)
I'm guessing latency and packet loss are what's hurting you,
as 4K(reliable,lowlatency) is heaps for a shell connection.
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