[j-nsp] traceroute w.x.y.z gateway a.b.c.d

[Chuck Anderson]

On Mon, Jul 31, 2006 at 07:40:56PM -0700, Kevin Oberman wrote:
> > "bypass-routing" command just generates:
> > 
> > traceroute: sendmsg: No route to host
> 
> traceroute bypass interface nn-f/p/i.u source add dest-add
> 
> That means you specify the interface the packet is transmitted from,
> that routing information should be ignored, that the specified source
> address should be used to the destination address.
> 
> bypass-routing without an interface is pretty meaningless as the router
> will have no idea where to send the packet.
> E.g. tracer bypass int ge-1/2/0.24 source 192.168.168.1 10.10.10.1

w.x.y.z is the IP of ge-0/2/0.0:

rtr> traceroute bypass-routing interface ge-0/2/0.0 source w.x.y.z 207.180.2.170
traceroute to 207.180.2.170 (207.180.2.170) from w.x.y.z, 30 hops max, 40 byte packets
traceroute: sendmsg: No route to host
 1 traceroute: wrote 207.180.2.170 40 chars, ret=-1
 *traceroute: sendmsg: No route to host
traceroute: wrote 207.180.2.170 40 chars, ret=-1
^C