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Old 10-27-2011, 06:08 AM   #1
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Registered: Oct 2011
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Network testing

Dear All,

I hav group of 25 computers each having particular IP address. How to know dat how many PCs are in network(UP) at a given point of time with a single ping command from admin or server or

is there any alternative to know at a given point of time how many are in network

with regards
Old 10-27-2011, 06:40 AM   #2
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Check the nmap command

Old 10-27-2011, 07:12 AM   #3
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here is a script I found with google:

broadcast ping never worked for me.
don't forget to check if firewalls enable icmp on each computer..
Old 11-08-2011, 03:08 AM   #4
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You can use nagios to monitor your computers.
Old 11-08-2011, 03:59 AM   #5
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# arp
Should do it...


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