Tot nu reusesc!!!!La imaginea din BA aaf 20c3 14W in ifconfig imi spune ca:
HWaddr 00:00:00:00:00:00 Adica mac-ul receptorului e 00........?

Mai exact:
# ifconfig
eth0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
inet addr:192.168.1.100 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:30 errors:0 dropped:0 overruns:0 frame:0
TX packets:305 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1824 (1.7 KiB) TX bytes:86026 (84.0 KiB)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

# ifconfig | grep HWaddr
eth0 Link encap:Ethernet HWaddr 00:00:00:00:00:00