[smokeping-users] Measure latency to TCP ports
tbh1000 at gmail.com
Thu Dec 13 16:59:37 CET 2007
Maybe I missed something in the man page, but it appeared to me the EchoPing
primarily is used to measure HTTP requests. It does have options for SSL and
SMTP, but I'm looking to measure latency to other ports as well (ie., FTP,
Telnet, SSH, etc).
On 12/13/07, Stephane Bortzmeyer <bortzmeyer at nic.fr> wrote:
> On Thu, Dec 13, 2007 at 09:45:48AM -0600,
> tbh <tbh1000 at gmail.com> wrote
> a message of 49 lines which said:
> > I can't find a whole lot of documentation on EchoPing...
> The man page? What's missing in it?
> > but I'm really just looking for to measure latency on a SYN packet
> > to the port.
> It is displayed by echoping under the "TCP Latency" label.
> On Linux (because it relies on non-portable stuff), echoping displays
> also separately the TCP RTT as measured by the kernel (it is typically
> the same as above).
> % echoping -v -R -h / www.smokeping.org
> This is echoping, version 6.0.1.
> Trying to connect to internet address 126.96.36.199 80 to transmit 93
> TCP Latency: 0.122718 seconds
> Sent (93 bytes)...
> Application Latency: 0.122535 seconds
> 676 bytes read from server.
> Estimated TCP RTT: 0.1200 seconds (std. deviation 0.045)
> Elapsed time: 1.018661 seconds
> Now, I don't know how to use it from Smokeping but someone here may?
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