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Re: Gotchas with VS-TUN with Linux Kernel 2.2.12?

To: Michael Sparks <michael.sparks@xxxxxxxxx>
Subject: Re: Gotchas with VS-TUN with Linux Kernel 2.2.12?
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Wensong Zhang <wensong@xxxxxxxxxxxx>
Date: Fri, 17 Sep 1999 22:09:20 +0800

Michael Sparks wrote:
> 
> OK, I see. *That's* why I haven't seen a reply. There aren't any. (As long
> as you remember to put the stuff in the kernel :-)))
> 

Look at http://www.linuxvirtual.org/VS-IPTunneling.html for its
working principle and instructions.

If your squid servers run on kernel 2.2.xx, apply one of the
patch posted in the mailing list to make the tunnel device not
do ARP response.

Wensong

> Excellent :-)
> 
> Michael.
> --
> 
> On Fri, 17 Sep 1999, Michael Sparks wrote:
> 
> > Hi,
> >
> >
> > I'm in the process of setting up a test cluster of squid based proxy
> > caches load balanced using LVS, and as a test have set up a test cluster
> > using VS-NAT, and things seem to be working _very_ nicely indeed. (Once I
> > twigged that the problem with the setup I had was with the masquerading
> > setup and nothing to do with LVS :-)
> >
> > I'm next going to try changing this set up to a VS-TUN style setup since
> > in our real production environment this would be a very useful/elegant
> > solution to a number of problems. Basically what would be very useful is
> > if anyone could tell me of any gotcha's they know of in doing this - I
> > already know the obvious one - to have LVS on all the servers, unlike
> > VS-NAT :-)
> >
> >   (*) An eg gotcha for VS-NAT would be: that if masquarding isn't set up
> >       right VS-NAT doesn't work right.
> >
> >
> > Michael.
> > --
> > National & Local Web Cache Support        R: G117
> > Manchester Computing                      T: 0161 275 7195
> > University of Manchester                  F: 0161 275 6040
> > Manchester UK M13 9PL                     M: Michael.Sparks@xxxxxxxxxxxxxxx
> > "We have thousands of such caches, and only a few of us know them all.
> >    And when we have enough - we shall change the face the face of Arrakis"
> >
> >
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> 
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