On Sun, 24 Mar 2002, Volkan Erdogan wrote:
> Hello,
>
> Suppose there are 150 pc in a network and all of these pc use same subnet
> mask.
> i.e: 1 pc>>>>125.125.125.2
> 2.pc>>>>125.125.125.5
> 3.pc>>>>125.125.125.7
> .
> .
> .
> 150.pc>>>125.125.125.208
> Now I want to know which of these pc are alive.
> How can I do that using "ping"?
> thanks..
Ping the broadcast address:
[bill@pikachu bill]$ ping 194.42.226.175
Do you want to ping broadcast? Then -b
[bill@pikachu bill]$ ping -b 194.42.226.175
WARNING: pinging broadcast address
PING 194.42.226.175 (194.42.226.175) from 194.42.226.170 : 56(84) bytes of
data.
64 bytes from 194.42.226.170: icmp_seq=1 ttl=255 time=0.180 ms
64 bytes from 194.42.226.171: icmp_seq=1 ttl=255 time=0.809 ms (DUP!)
64 bytes from 194.42.226.170: icmp_seq=2 ttl=255 time=0.072 ms
64 bytes from 194.42.226.171: icmp_seq=2 ttl=255 time=0.379 ms (DUP!)
--- 194.42.226.175 ping statistics ---
2 packets transmitted, 2 received, +2 duplicates, 0% loss, time 999ms
rtt min/avg/max/mdev = 0.072/0.360/0.809/0.281 ms
So you'd want to do "ping -b 125.125.125.255" or whatever the real
IP network number is.
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