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From: Matt Thomas (matt3am-software.com)
Date: Mon Jan 07 2002 - 12:04:04 CST

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    At 08:39 AM 1/7/2002 -0500, RJ Atkinson wrote:

    >Dennis's analysis seems dead-on to me. The fix would be to have some
    >kind of BSD Sockets API extension that could be used to identify the
    >arriving interface for DHCP REQUEST packets. Ideally, such an
    >extension would be coordinated with the other *BSD kernel folks,
    >so it could be more widely implemented than just NetBSD.

    Actually, it already exists (in a slightly different form). The IPv6
    Advanced API contains just a method (IPV6_PKTINFO). Just use the same
    abstraction for IPv4 (IP_PKTINFO, struct in_pktinfo). It's trivial.
    I've done it in a private source pool. 

    -- 
Matt Thomas               Internet:   matt3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt/
Cupertino, CA             Disclaimer: I avow all knowledge of this message