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Re: [lwip-users] Letting BOOTP packet through

From: Leon Woestenberg
Subject: Re: [lwip-users] Letting BOOTP packet through
Date: Thu, 21 Sep 2006 23:55:17 +0200

Hello Per,

On Thu, 21 Sep 2006 09:41:51 +0200, "Per Zetterlund"
<address@hidden> said:
> Hi all,
> I'm implementing a BOOTP client using LWIP. The problem is that LWIP
> doesn't let the BOOTP reply through  to the UDP layer, since the
> destination IP of the packet doesn't match the netif IP (since it hasn't
> got one yet). In the DHCP case the problem is solved by letting the
> packet go through if the port is DHCP. Should I add code in ip.c to let
> BOOTP packets through as well, or is there a better way?
Yes, but isn't BOOTP exactly the same as DHCP at the UDP level?

AFAIK, DHCP is just an extension to BOOTP, and so I suspect your bootp
packets to already reach the upper layers.



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