Re: [dhcwg] RE: Maximum message size interpretation in DHCP packet

Tobin Coziahr <tobin.coziahr@sun.com> Tue, 19 February 2002 21:18 UTC

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Date: Tue, 19 Feb 2002 13:14:14 -0800
From: Tobin Coziahr <tobin.coziahr@sun.com>
Organization: Sun Microsystems
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To: Gopi Krishna <Gopi.Krishna@worldwidepackets.com>
CC: dhcwg@ietf.org
Subject: Re: [dhcwg] RE: Maximum message size interpretation in DHCP packet
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Nope, just IP, UDP, and DHCP need to be considered.

It's stated in draft-ietf-dhc-csr-06.txt that the standard maximum size
of a DHCP message is 576 bytes.  That's 548 for the maximum basic DHCP
packet, and 28 for IP and UDP headers.  You then use the maximum message
size option to negotiate communication at larger sizes, if desired.  As
Thomas pointed out, that document also mentions that the Max DHCP
message size is the DHCP message plus IP and UDP.

-Tobin

Gopi Krishna wrote:
> 
> Hi,
> Does not it include the ethernet header besides IP,UDP and DHCP in finding the Maximum DHCP Packet size?
> Thanks in advance.
> 
> -Gopi

---
Tobin Coziahr			650-786-7118 (x87118)
Solaris Networking		tobin.coziahr@sun.com
Sun Microsystems

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