[ECOS] DHCP problems

[Steve West]

Andrew,
    Thanks for the input.

The address is mac ff:ff:ff:ff:ff:ff & 255.255.255.255. I checked my old 
working version (1.xx) to this one and there is no difference in the 
discover and the offer. There must be a problem with receiving broadcast 
frames. Both TCP & UDP work fine. The eCos snapshot I took is about a month 
old. I am going to take the latest off the Ecoscentric site and try that.

Steve
----- Original Message ----- 
From: "Andrew Lunn" <andrew@lunn.ch>
To: "Steve West" <swest@validatedsoftware.com>
Cc: <ecos-discuss@ecos.sourceware.org>
Sent: Wednesday, January 25, 2006 5:15 PM
Subject: Re: [ECOS] DHCP problems


> On Wed, Jan 25, 2006 at 01:33:09PM -0500, Steve West wrote:
>> I have upgraded from eCos 1.0 to the latest eCos version. Everything is
>> running fine except for DHCP. TCP & DNS work fine. The DHCP sends the
>> request to the server and a response comes back from the server, but the
>> DHCP client never receives the frame ( I see the frame on the sniffer). 
>> It
>> seems that it will not receive a broadcast frame. Any ideas?
>
> What address is the frame sent back to, both IP address and MAC
> address. There have been problems in the past of the server doing this
> wrong, or not honoring the Broadcast flag. See section 4.1 of the RFC.
>
>        Andrew
>
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