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Re: hard wired solution to arp problem

To: Joseph Mack <mack@xxxxxxxxxxx>
Subject: Re: hard wired solution to arp problem
Cc: Lars Marowsky-Bree <lmb@xxxxxxxxx>, lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: tc lewis <tim@xxxxxxxxxx>
Date: Wed, 1 Dec 1999 13:43:28 -0500 (EST)
if the real server is a linux 2.2 machine, is there any reason against
using the method that horms presented: an ipchains redirect?

-tcl.


On Wed, 1 Dec 1999, Joseph Mack wrote:

> On Wed, 1 Dec 1999, Lars Marowsky-Bree wrote:
> 
> > On 1999-12-01T13:14:50,
> >    Joseph Mack <mack@xxxxxxxxxxx> said:
> > 
> > > oops I asked the wrong question. If two linux boxes are joined by a normal
> > > IPIP tunnel connection (not an LVS) and there is no MAC associatied with
> > > the tunl0 devices at each end of the link, then how to the packets get
> > > from one machine to the other.
> > 
> > The packets are encapsulated via IPIP and send to the tunl endpoint's "real"
> > IP where they are decapsulated again and appear in the tunl interface.
> > 
> > You do not need a MAC address for p2p interface types, or logical interfaces
> > like tunnels etc.
> 
> ah (slapping forehead) I should have been able to figure that out
> 
> OK bonus question. You can set up a VS-Tun LVS with a 2.0.36 realserver
> with the VIP on lo:0, dummy0 or tunl0, but if the realserver is 2.2.x
> you can only have tunl0 for the VIP. Any idea what's going one here?
> 
> > iputils is very useful, it is what I use for IPAT. fake looked ... not 
> > useful
> > to me.
> 
> what's IPAT?
> 
> Joe
> --
> Joseph Mack mack@xxxxxxxxxxx
> 
> 
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