From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guy Van Den Bergh Date: Sun, 18 Mar 2001 15:03:56 +0000 Subject: Re: [LARTC] Tunnel problem Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org Have you brought the tunnel device up? try: ip link set dev up When I try to set the default route without the device being up I get the same message... Have you configured the tunnel devices at both ends at all (up, addresses and such)? Regards, Guy When i try to set David A. Bandel wrote: > 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 _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/