Lesson learned: do not use Linksys products and expect them to work right :)
On 5/17/08, Niko Tyni <[EMAIL PROTECTED]> wrote: > On Sat, May 17, 2008 at 02:20:04PM -0400, Mike Lerley wrote: > >> Fair enough; however, I have turned on and off all options I can find on >> the >> router related to that sort of thing and nothing changes. More >> importantly, >> I can do this: >> >> [EMAIL PROTECTED]:~# ping -f tobeys.gotdns.com >> PING tobeys.gotdns.com (24.39.29.68) 56(84) bytes of data. >> ....................................... >> --- tobeys.gotdns.com ping statistics --- >> 3609 packets transmitted, 3570 received, 1% packet loss, time 47185ms >> rtt min/avg/max/mdev = 23.229/31.162/72.274/7.039 ms, pipe 6, ipg/ewma >> 13.078/27.893 ms >> >> Clearly, there is no packet rate limiting in effect here... > > It's most probably looking at the ICMP sequence number. While the > 'regular ping' increments the sequence number for each ping, fping > apparently uses is as an index to the hosts it's pinging. So the first > host gets sequence number 0 for all pings, the second one gets 1 etc. > > The device probably considers the unchanging sequence number an attack > and stops responding. > > It should be quite easy to patch fping to store the information in the > payload instead and increase the sequence number like the rest of the > world does. No, no patch at least yet :) > > Cheers, > -- > Niko > > _______________________________________________ > smokeping-users mailing list > [email protected] > https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users > -- Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 Those who don't understand UNIX are condemned to reinvent it, poorly. --- Henry Spencer _______________________________________________ smokeping-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users
