From: "David A. Bandel" <david@pananix.com>
To: lartc@vger.kernel.org
Subject: [Fwd: Re: [LARTC] Tunnel problem]
Date: Sun, 18 Mar 2001 12:11:58 +0000 [thread overview]
Message-ID: <marc-lartc-98491757823136@msgid-missing> (raw)
Ooops. Forgot to check the addresses and send back to the list :-(
Guy Van Den Bergh wrote:
>
> Have you tried to set a default route to the IP address of the tunnel
> interface at the main network:
> ip route add default via a.b.c.d
> where a.b.c.d is the IP address you gave to the tunnel interface at the
> main network end.
RTNETLINK answers: Network is unreachable
This is the same answer when I try to set the default route via the
tunnel name.
>
> David A. Bandel wrote:
>
> > Ladies and Gentlemen (and others ;-) ),
>
> > back through the main network. Reason: some connections realize that
> > traffic coming from my relocate network is coming via an invalid route
> > and is filtered.
>
> this is also called RPF or reverse path filtering, and is sometimes used
> as a partial countermeasure against spoofed ddos attacks
yes, I know, I turn it on too on systems that aren't tunnel endpoints.
>
> Regards,
> Guy
Ciao,
David A. Bandel
--
Focus on the dream, not the competition.
-- Nemesis Racing Team motto
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next reply other threads:[~2001-03-18 12:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-18 12:11 David A. Bandel [this message]
2001-03-24 21:43 ` [Fwd: Re: [LARTC] Tunnel problem] bert hubert
2001-03-30 12:23 ` David A. Bandel
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