Ping broadcast

Debugging networking

 scrooge-15:~$ /sbin/ifconfig
 eth0      Link encap:Ethernet  HWaddr 00:09:6B:D0:A0:61
          inet addr:192.168.1.35  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::209:6bff:fed0:a061/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:312682 errors:0 dropped:0 overruns:0 frame:0
          TX packets:281795 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:286154450 (272.8 MiB)  TX bytes:189081567 (180.3 MiB)
          Interrupt:11 Base address:0x8000 Memory:d0200000-d0200038
 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:2054 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2054 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:145955 (142.5 KiB)  TX bytes:145955 (142.5 KiB)
 scrooge-15:~$ ping 192.168.1.255
 Do you want to ping broadcast? Then -b
 scrooge-15:~$ ping -b 192.168.1.255
 WARNING: pinging broadcast address
 PING 192.168.1.255 (192.168.1.255) 56(84) bytes of data.
 64 bytes from 192.168.1.35: icmp_seq=1 ttl=0 time=0.048 ms
 64 bytes from 192.168.1.38: icmp_seq=1 ttl=64 time=0.198 ms (DUP!)
 64 bytes from 192.168.1.35: icmp_seq=2 ttl=0 time=0.029 ms
 64 bytes from 192.168.1.38: icmp_seq=2 ttl=64 time=0.135 ms (DUP!)