Date: Fri, 14 Aug 1998 07:16:46 -0500 (CDT) From: "Paul T. Root" <proot@horton.iaces.com> To: jer@jorsm.com (Jeremy Shaffner) Cc: marcus@miami.edu, freebsd-questions@FreeBSD.ORG Subject: Re: Traceroutes to Cisco Routers Message-ID: <199808141216.HAA12804@horton.iaces.com> In-Reply-To: <Pine.BSF.3.95q.980813173729.22777K-100000@mercury.jorsm.com> from Jeremy Shaffner at "Aug 13, 98 05:41:07 pm"
next in thread | previous in thread | raw e-mail | index | archive | help
In a previous message, Jeremy Shaffner said: > On Thu, 13 Aug 1998, Joe "Marcus" Clarke wrote: > > > Here is why the trace fails: > > > > Cisco throttles ICMP unreachables so that only 2 unreachables per second > > are sent. The result puts a star in one of the fields: > > > > i.e. (200 ms) (200 ms) * > > > > Fair enough. But it's dropping the second and not the third. And it > doesn't explain why non-Unix OS's trace to it fine. > None Unix code may be using pings with specific TTLs instead of icmps, for transport. > -===================================================================- > Jeremy Shaffner JORSM Internet > Senior Technical Support Northwest Indiana's Premium > jer@jorsm.com Internet Service Provider > support@jorsm.com http://www.jorsm.com > -===================================================================- > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > -- Life is what happens to you while you're busy making other plans. -- John Lennon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199808141216.HAA12804>