Re: Possible routing bug [2.1.97]

Chris Wedgwood (chris@cybernet.co.nz)
Fri, 24 Apr 1998 08:49:44 +1200


On Thu, Apr 23, 1998 at 03:38:20PM +0200, Mailing lists account wrote:
> Not sure if this is a kernel bug or a bug in net-tools...
>
> [root@k6 /root]# route
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> 10.0.0.0 * 255.255.255.0 U 0 0 0 eth0
> 10.0.0.0 * 255.255.255.0 U 0 0 0 eth0
> 134.130.0.0 * 255.255.0.0 U 0 0 0 ippp0
> 127.0.0.0 * 255.0.0.0 U 0 0 0 lo
> default max.rz. 0.0.0.0 UG 0 0 0 ippp0
> [root@k6 /root]# traceroute 198.22.51.242
> traceroute: Warning: Multiple interfaces found; using 10.0.0.1 @ eth0
> traceroute to 198.22.51.242 (198.22.51.242), 30 hops max, 40 byte packets
>
> By the netmasks, the route "default" over ippp0 is clearly the only
> interface that can reach 198.22.51.242...

No kernel bug - its traceroute at fault. Its not smart enough to know which
device to use.

-Chris

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