Forwarding DHCP Discover and Request datagrams is the job of a BOOTP relay agent, which will add the neccessary information to the request for the DHCP server to know which address to assign.
Niels -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Antony Stone Sent: Monday, May 27, 2002 9:23 PM To: [EMAIL PROTECTED] Subject: Re: What are ports 68 & 67?? On Monday 27 May 2002 9:19 pm, Maciej Soltysiak wrote: > > Let them in if you're using DHCP; block them if you're not; you should > > never need to forward them. > > Unless you have 3 class C nets and one DHCP server. I have a configuration > like that. How does your DHCP server know which range of addresses to offer when a request comes in ? If the request has been forwarded through your firewall, how can the DHCP server distinguish between the 3 different networks ? > The most precise would be: do not forward DHCP traffic between Internet > interface or the interface which does not need DHCP. Sounds good. Antony.
