On Thu, 21 Jun 2001, cisco guru wrote:
> Hi,
> When I do a traceroute www.cisco.com, I get a reply with 3 timings as in
> 13 193 ms 176 ms 181 ms www.cisco.com [198.133.219.25]
>
> What does 193ms 176ms and 181 ms stand for? SRTT??
> Would someone kindly explain?
% man traceroute
...
This program attempts to trace the route an IP packet
would follow to some internet host by launching UDP probe
packets with a small ttl (time to live) then listening for
an ICMP "time exceeded" reply from a gateway. We start
our probes with a ttl of one and increase by one until we
get an ICMP "port unreachable" (which means we got to
"host") or hit a max (which defaults to 30 hops & can be
changed with the -m flag). Three probes (change with -q
flag) are sent at each ttl setting and a line is printed
showing the ttl, address of the gateway and *round trip
time of each probe.*
(emphasis mine).
--
"Someone approached me and asked me to teach a javascript course. I was
about to decline, saying that my complete ignorance of the subject made
me unsuitable, then I thought again, that maybe it doesn't, as driving
people away from it is a desirable outcome." --Me
Message Posted at:
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