>> >>>>> My laptop can't ping my remote system but it can ping others >> >>>>> (google.com, yahoo.com, etc). I've tried disabling my firewall on >> >>>>> both ends with '/etc/init.d/shorewall stop && shorewall clear'. >> >>>>> Could my AT&T business ADSL connection on the remote system be >> >>>>> blocking inbound pings? >> >>>> >> >>>> Possible, have you tried pinging your remote system from a different >> >>>> location? You may try http://www.downforeveryoneorjustme.com/ >> >>> >> >>> Sorry, wrong link: http://ping.eu/ping/ >> >> >> >> I get 100% packet loss when pinging from there. >> > >> > try an icmp traceroute, if you are lucky you'll get a result that tells >> > you on which hop the pings cease to work: >> > >> > traceroute -I >> > >> > but do read the man page (traceroute is like ps in that there are many >> > versions around and options don't always match up with what folk say on >> > mailing lists) >> >> I did 'traceroute -w 30 -I ip-address' several times and the last IP >> displayed is always the same. I looked it up and it's an AT&T IP >> supposedly located about 1500 miles from my machine which is also on >> an AT&T connection. Does this tell me anything? >> >> - Grant > > Out of interest, does it show the same with you use the -T option? It could > well be a congested link. Try again in off peak times to see if it still > drops packets. If it happens off peak it could well be a misconfigured node.
The last IP displayed is the same with the -T option. Off-peak at the destination? I've actually been trying all day under those conditions. You don't think it's likely to be the ICMP setting on the server's modem/router? - Grant

