What will happen if we have two DHCP servers in our network. Will there be any problem. How does it work?

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Niranjan Arsid

  • Sep 13th, 2006
 

You can setup two DHCP servers in a network. As long as the DHCP range (range of IP addresses) configured in the servers does not have a conflict (common range), there should be absolutely no problem.

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sudhir.akondi

  • Jun 10th, 2008
 

a more elaborate answer would be this:

  If there are two DHCP servers in a network, both the servers would receive the
DISCOVER messages unicast by the Relay Agent or broadcast by the client. Depending
on the decision taken by the client, upon receiving the OFFER, an appropriate REQUEST would be sent.

  There wouldn't be any problem as far as both the servers don't share any common
IP address range.

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mc.chandrakiran

  • Sep 16th, 2010
 

If we are usung two DHCP Servers in a network for assigning IP's. They use 80:20 Rule in assigning ip's to the machines. i.e. Server1 uses 80% ips from his ippool and Server2 assigns 20% ips from his ippool. These ip requests from the clients will be routed randamly. In case of Server1 goes down all the ips will be assigned by Server2 & vice versa. We can configure this x:y sharing rule according to our network environment.

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