Using username "root".
Authenticating with public key "skeleton" from agent
Last login: Mon Feb 11 10:41:19 2008
[root@testoptimol ~]# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr 00:0D:60:9A:35:BC
          inet addr:172.22.10.12  Bcast:172.22.10.255  Mask:255.255.255.0
          inet6 addr: fe80::20d:60ff:fe9a:35bc/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1728173 errors:0 dropped:0 overruns:0 frame:0
          TX packets:514437 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:219170823 (209.0 MiB)  TX bytes:39875549 (38.0 MiB)
          Interrupt:169

[root@testoptimol ~]# ifconfig lo
lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:2193 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2193 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2929120 (2.7 MiB)  TX bytes:2929120 (2.7 MiB)

[root@testoptimol ~]# ping -c 1 172.22.10.254
PING 172.22.10.254 (172.22.10.254) 56(84) bytes of data.
64 bytes from 172.22.10.254: icmp_seq=0 ttl=255 time=0.416 ms

--- 172.22.10.254 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.416/0.416/0.416/0.000 ms, pipe 2
[root@testoptimol ~]# ifconfig lo down
[root@testoptimol ~]# ping -c 1 172.22.10.254
PING 172.22.10.254 (172.22.10.254) 56(84) bytes of data.
64 bytes from 172.22.10.254: icmp_seq=0 ttl=255 time=0.400 ms

--- 172.22.10.254 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.400/0.400/0.400/0.000 ms, pipe 2
[root@testoptimol ~]#