Date: Thu, 17 Jan 2002 02:46:43 -0800 From: "Crist J . Clark" <cjc@FreeBSD.ORG> To: "Reto Trachsel (NetModule)" <reto.trachsel@netmodule.com> Cc: "'net@freebsd.org'" <net@FreeBSD.ORG> Subject: Re: ICMP Redirect Message-ID: <20020117024643.B38776@blossom.cjclark.org> In-Reply-To: <F58DFF990DB0D411841D000102A7CD70090BFC@tigris.pacific>; from reto.trachsel@netmodule.com on Thu, Jan 17, 2002 at 10:15:11AM %2B0100 References: <F58DFF990DB0D411841D000102A7CD70090BFC@tigris.pacific>
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On Thu, Jan 17, 2002 at 10:15:11AM +0100, Reto Trachsel (NetModule) wrote:
> Hi Crist
>
> Hi, i'll describe a little more in detail:
>
> "Router" FreeBSD-4.5-RC Machine, configured as Router with multiple
> aliases on a interface
> "WinHost" A Client machine with Windows 2000
> "BSDHost" A FreeBSD-Current machine
>
> Sysctl settings on Router and BSDHost:
>
> net.inet.ip.redirect: 1 -> Sending ICMP Redirect
> net.inet.icmp.drop_redirect: 0 -> Does not drop
> net.inet.icmp.log_redirect: 1 -> Logging ICMP Redirect
>
> Problem Cases:
>
> BSDHost/WinHost and Router
>
> The Router send a ICMP Redirect, but not only once, every time a icmp packet
> is recived. The BSDHost doesn't add the routing table.
Run,
# tcpdump -vvXs 1500 'icmp'
On BSDHost and show us the packet. Also show us,
$ netstat -rn
$ ifconfig
--
Crist J. Clark | cjclark@alum.mit.edu
| cjclark@jhu.edu
http://people.freebsd.org/~cjc/ | cjc@freebsd.org
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