What happens when number of DHCP requests go over supported limit?

Question

_{Tuesday, March 14, 2017 9:24 AM}

Hi everyone,

I'm working with DHCP solutions and find this post: https://blogs.technet.microsoft.com/teamdhcp/2012/12/15/scalability-test-results-for-windows-server-2012-dhcp-server/

I wonder: what happens if number of DHCP requests goes over it support limit? How will a DHCP based on Windows Servers processes in such case? Will it hang or queue the requests to serve gradually?

Could anyone share your experience?

Thanks,
HL

All replies (3)

_{Wednesday, March 15, 2017 5:39 AM ✅Answered | 1 vote}

Hi,

1.Typically.when the DHCP server address pool is full,the server will not respond to a DHCPDISCOVER/DHCPREQUSET .

2.If no DHCP server responds to the client request, the client sends DHCPDiscover messages at intervals of 0, 4, 8, 16, and 32 seconds, plus a random interval of between -1 second and 1 second. If there is no response from a DHCP server after one minute, the client can proceed in one of two ways:

• If the client is using the Automatic Private IP Addressing (APIPA) alternate configuration, the client self-configures an IP address for its interface.
• If the client does not support alternate configuration, such as APIPA, or if IP auto-configuration has been disabled, the client network initialization fails.

In both cases, the client begins a new cycle of DHCPDiscover messages in the background every five minutes, using the same intervals as before (0, 4, 8, 16, and 32 seconds), until it receives a DHCPOffer message from a DHCP server.

Best Regards
Cartman
Please remember to mark the replies as an answers if they help. If you have feedback for TechNet Subscriber Support, contact [email protected]

_{Friday, March 17, 2017 7:29 AM}

Hi,

I am checking to see if the problem has been resolved. If there's anything you'd like to know, please feel free to ask.

Best Regards
Cartman
Please remember to mark the replies as an answers if they help. If you have feedback for TechNet Subscriber Support, contact [email protected]

_{Thursday, March 23, 2017 10:20 AM}

Thank Cartman Shen.