DHCP conflicting address

nycbpnycbp Posts: 21Member ■□□□□□□□□□
in CCNA & CCENT
Hi guys,

Can someone help me answer as to what happens when the DHCP server detects that there are conflicting addresses?
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Comments

  • pham0329pham0329 Posts: 556Member
    Within DHCP, at least with Windows Servers, there's an option that allows it to check for duplicate address (by pinging it) before assigning it to a host.
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  • techie2012techie2012 Posts: 150Member
    pham0329 wrote: »
    Within DHCP, at least with Windows Servers, there's an option that allows it to check for duplicate address (by pinging it) before assigning it to a host.

    Yeah, I believe it is called gratuitous arp. Correct me if I am wrong.
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  • sasprosaspro Posts: 114Member
    You can also set conflict detection on windows DHCP servers (& I think you can do it on Cisco's) so they ping the address 3 times first to make sure it's free
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