Re: Implementing IP_SENDIF (like SO_BINDTODEVICE)

From: Bruce M Simpson (bms_at_spc.org)
Date: 10/29/04

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    Date: Thu, 28 Oct 2004 15:32:29 -0700
To: Gleb Smirnoff <glebius@freebsd.org>, Julian Elischer <julian@elischer.org>, freebsd-net@freebsd.org

    On Thu, Oct 28, 2004 at 03:41:34PM +0400, Gleb Smirnoff wrote:
    > ng_device can be attached to "orphans" hook of ng_ether. /dev/ngdX opened
    > by dhcpd, and packets processed.

    This seems to me like pure configuration overkill. It would require that
    people compile and load netgraph to run dhclient, and that the netgraph
    graph be created and populated correctly.

    > What is benefit to get rid of bpf? What is problem with it?

    IPV6_NEXTHOP is intended to support this for IPv6. It doesn't right
    now, it returns EAFNOSUPPORT.

    Please see my attached game plan.

    BMS

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