Fwd: Received route with strange next-hop

Ondrej Zajicek santiago at crfreenet.org
Tue Apr 17 23:14:53 CEST 2012


On Tue, Apr 17, 2012 at 09:54:40PM +0200, Christian Kölpin wrote:
> > Hello
> >
> > BIRD generally assumes tha that gateway of routes is a direct neighbor
> > according to IP addresses on interfaces, not according to routing tables.
> > So having /32 device route does not help. But you could add ptp address
> > on that iface:
> >
> > ip addr add a.b.c.d peer 84.57.128.1 dev XXX
> > (where a.b.c.d is the current local IP of that device
> Hello
> 
> pppd and openvpn does add this address already. If i run this command
> the message "RTNETLINK answers: File exists" appears.
> So i assumed the peer 84.57.128.1 should known as "directly connected".
> 
> ifconfig output:
> tun0      Link encap:UNSPEC  HWaddr
> 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 
>           inet addr:192.168.100.129  P-t-P:192.168.100.130 
> Mask:255.255.255.255
>           UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
> 
> pppoe-wan Link encap:Point-to-Point Protocol 
>           inet addr:84.57.179.177  P-t-P:84.57.128.1  Mask:255.255.255.255
>           UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1492  Metric:1
> 
> ip route output
> 192.168.100.130 dev tun0  proto kernel  scope link  src 192.168.100.129
> 84.57.128.1 dev pppoe-wan  proto kernel  scope link  src 84.57.179.177

In that case it is strange that the warning is still here. Could you send me
an output of 'ip addr list' and 'birdc show interfaces' ?

-- 
Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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