Re: Recommendation of Tools

[Pekka Savola <pekkas () netcore fi>]

On Tue, 2 Dec 2008, Andrew Mulholland wrote:
> On Tue, Dec 2, 2008 at 10:47 PM, Lee, Steven (NSG Malaysia) <
> kin-wei.lee () hp com> wrote:
>
> > Hi all, do you have any recommended tools that can measure latency/delay
> > hop by hop basis? Preferable the tools can measure the running (live)
> > traffic.
>
> mtr ? - http://www.bitwizard.nl/mtr/

FWIW, Mtr measures latency/delay and loss based on ICMP messages heard 
back from the routers on path.  As a result, in almost all cases, the 
real hop-by-hop latency of actual end-to-end data packets is better 
than it can report.

--
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings