#cat /etc/network/interfaces

                  ping 192.168.12.253
PING 192.168.12.253 (192.168.12.253) 56(84) bytes of data.
From 192.168.12.4 icmp_seq=1 Destination Host Unreachable
From 192.168.12.4 icmp_seq=2 Destination Host Unreachable
From 192.168.12.4 icmp_seq=3 Destination Host Unreachable
From 192.168.12.4 icmp_seq=4 Destination Host Unreachable
From 192.168.12.4 icmp_seq=5 Destination Host Unreachable
From 192.168.12.4 icmp_seq=6 Destination Host Unreachable
From 192.168.12.4 icmp_seq=7 Destination Host Unreachable
From 192.168.12.4 icmp_seq=8 Destination Host Unreachable
From 192.168.12.4 icmp_seq=9 Destination Host Unreachable
From 192.168.12.4 icmp_seq=10 Destination Host Unreachable
From 192.168.12.4 icmp_seq=11 Destination Host Unreachable
From 192.168.12.4 icmp_seq=12 Destination Host Unreachable
From 192.168.12.4 icmp_seq=13 Destination Host Unreachable
From 192.168.12.4 icmp_seq=14 Destination Host Unreachable
From 192.168.12.4 icmp_seq=15 Destination Host Unreachable
From 192.168.12.4 icmp_seq=16 Destination Host Unreachable
From 192.168.12.4 icmp_seq=17 Destination Host Unreachable
From 192.168.12.4 icmp_seq=18 Destination Host Unreachable
From 192.168.12.4 icmp_seq=19 Destination Host Unreachable
From 192.168.12.4 icmp_seq=20 Destination Host Unreachable
From 192.168.12.4 icmp_seq=21 Destination Host Unreachable
From 192.168.12.4 icmp_seq=22 Destination Host Unreachable
From 192.168.12.4 icmp_seq=23 Destination Host Unreachable
From 192.168.12.4 icmp_seq=24 Destination Host Unreachable
^C
--- 192.168.12.253 ping statistics ---
25 packets transmitted, 0 received, +24 errors, 100% packet loss, time 24118ms
pipe 3