On Sunday 01 Sep 2013 16:04:17 Grant wrote:
> >>>>> 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.
-- 
Regards,
Mick