> > I've got one machine here on the LAN which isn't responding to broadcast > > ping. Any idea why not? > > You need to set icmp_echo_ignore_broadcasts to 0. Default is > 1, mainly for dos prevention: > > # sysctl net.ipv4.icmp_echo_ignore_broadcasts=0
I thought it would default to off in most OSes these days, because of; http://en.wikipedia.org/wiki/Smurf_attack Are those other machines patched up?
