[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: dual-homed sourced out of lo?

Thus spake Bob Proulx (bob@proulx.com):

> Robert L. Harris wrote:
> >   We're working on a network-hardened solution and I've been picked to
> > figure out the solution to a problem.  In a week I'll have hardware to
> > play with but I'm trying to figure out the answer or a plan of attack
> > early.  Here's the setup:
> > 
> > Server had 2 interfaces with IP's:
> > eth0:
> > eth1:
> > lo:
> I can't imagine what would break if lo isn't using 127.* loopback
> address but I imagine it would be quite a bit.  Do you have a purpose
> in not using for the loopback device?  I am guessing this is
> a mistake here.

The would be assigned to lo in addition to

> > We want to have the machine listening on eth0 and eth1 when both
> > networks are up and functional to the OSPF broadcasts.  Oubound traffic
> > needs to come from the (lo) address though so that return
> > traffic goes to, not the other subnets and the server accept
> > the packets for lo.
> > 
> > Has anyone set up something like this which is relatively easy to
> > duplicate with a stock Linux box and Zebra for the OSPF?
> Perhaps I am very clueless but could you expand on just what you are
> trying to do here?  Of course I am not familiar with Zebra.  So if
> other people jump in with real answers please ignore me.

Redundant routes to these servers from the outside world basically.

Robert L. Harris                     | GPG Key ID: E344DA3B
                                         @ x-hkp://pgp.mit.edu
      These are MY OPINIONS ALONE.  I speak for no-one else.

With Dreams To Be A King First One Should Be A Man
					- Manowar

Attachment: signature.asc
Description: Digital signature

Reply to: