Re: resolving routes externally

From: James (haesu_at_towardex.com)
Date: 11/24/04

  • Next message: David Gilbert: "restore hangs system creating directories."
    Date: Tue, 23 Nov 2004 20:51:56 -0500
    To: Martin Eugen <martin.eugen@gmail.com>, freebsd-net@freebsd.org, freebsd-hackers@freebsd.org
    
    

    On Tue, Nov 23, 2004 at 08:49:19PM -0500, James wrote:
    > On Tue, Nov 23, 2004 at 10:36:46AM -0800, Bruce M Simpson wrote:
    > [ snip ]
    > >
    > > If I understand correctly, you want the kernel to queue packets until
    > > layer 2 address resolution is complete. Right now we don't do this. If
    > > there is no route to a destination, packets will be dropped.
    >
    > The KAME ipv6 code does this for v6 neighbor discovery (which is not
    > arp yes..). Martin, nd6_output() in netinet6/nd6.c should be helpful
    > if you want to look. RFC requires routers to queue packets up during
    > layer 2 resolution process (which is why in IPv6 when destination
    > host is down you see !A with huge latency -- i.e. 3400ms due to
    > queueing by the router[1]).

    Err my bad. I meant 'latest packet' (like in arp resolution)

    -J

    -- 
    James Jun                                            TowardEX Technologies, Inc.
    Technical Lead                      Boston IPv4/IPv6 Web Hosting, Colocation and
    james@towardex.com            Network design/consulting & configuration services
    cell: 1(978)-394-2867           web: http://www.towardex.com , noc: www.twdx.net
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