Good point. tracepath also gets around some issues by sending a large packet and looking for fragmentation required responses.
Nobody _ought_ to be blocking the frag required response, as that breaks path mtu. Actually, there are others they shouldn't block: http://www.av8.net/ICMPTypes.txt --Dean On Tue, 13 Apr 2010, Brian O'Neill wrote: > Note that Windows tracert by default does an ICMP ECHO traceroute (and > really has no other options), whereas UNIX/Linux traceroutes by default > use UDP. To get the Windows effect on Linux, you need to run "traceroute > -I" as root. > > So if the router is blocking ICMP at some level, a Linux traceroute may > still work. > > _______________________________________________ > bblisa mailing list > [email protected] > http://www.bblisa.org/mailman/listinfo/bblisa > > -- Av8 Internet Prepared to pay a premium for better service? www.av8.net faster, more reliable, better service 617 256 5494 _______________________________________________ bblisa mailing list [email protected] http://www.bblisa.org/mailman/listinfo/bblisa
