why connect two dhcp servers with different IP addresses?
so for an assignment at college we had to configure a router connected to two switches which both had a server connected to them.
the computers were connected via dhcp to either server however each side had a different IP. we have now been asked to justify as to why two servers were used with different IP which I cannot quite produce a business orientated answer.
I can understand connecting two dchp servers on same IP to increase fault tolerance but I do not understand using two separate IP addresses.
Connecting two different DHCP servers with one address won't be functional at all because both servers will reply to ARP with the same MAC address if they're on the same VLAN. If they're on different VLANs, they won't normally be able to use the same address because the address is tied to the VLAN. There is a way to set this sort of thing up, but it's needlessly complicated and unnecessary. DHCP servers with two different addresses are the normal approach.
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