Q: I can't ping any/some MAC address on my LAN. A: Arping when pinging a MAC relies on the host to answer a broadcast ping (icmp echo request) properly (IIRC: not the windows way). If you want a host to pop up on MAC ping, you have to config it to respond to broadcast pings. (for linux, make sure /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts is 0) A: -T <IP/host> allows you to restrict the arping to a limited subnet, which may or may not work for you. For example if the box 00:01:02:03:04:05 is on 192.168.0.0/24 then the broadcast probably is 192.168.0.255, so try: # arping -T 192.168.0.255 00:01:02:03:04:05
Close this bug?
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