How to check if DHCP Server is running in a network

y vasavi y_vasavi at
Tue May 27 07:27:57 UTC 2008

one solution for this would be 

to check the existence of,  this would be a file in my case it is located in /var/run. you can always do find/locate to find the path.

if you can find the file, then dhcpd would be running otherwise not.


--- On Tue, 5/27/08, Raghavendra <s.raghu at> wrote:
From: Raghavendra <s.raghu at>
Subject: How to check if DHCP Server is running in a network
To: dhcp-users at
Date: Tuesday, May 27, 2008, 12:26 PM


 I have a requirement where in I have to check 
after every 3 minutes whether some dhcp server is enabled/running in the 
network. Enabling dhcp client after every 3 minutes is a big over head, so I 
would like to first search/look if any dhcp server running in a network, if 
so i will enable dhcp client to get IP, else I will once again look for dhcp 
server after 3 minutes.
Thanx in Advance.

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