Reply to remote unicast DHCP requests
dhcp1 at thehobsons.co.uk
Tue May 3 11:21:10 UTC 2011
Paúl Ortiz Imedio wrote:
>I am trying to figure out the behaviour of the DHCP server when replying to
>unicast DHCP Requests from clients at remote subnets (RENEWING state).
It's quite simple. The server should reply by
unicast to the client. The packet is routed via
normal OS routing rules.
When you say the server is not responding - does
it log the request ? Does it log that it's
replying ? Does it have a route to the client's
For details of how the protocol works, I
recommend "The DHCP Handbook" by Ralph Droms and
Ted Lemon. There's a second edition which covers
failover, but for the basics the original edition
will do fine if you can't find the newer one.
Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.
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