Gotchas with VS-TUN with Linux Kernel 2.2.12?

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Gotchas with VS-TUN with Linux Kernel 2.2.12?
From: Michael Sparks <michael.sparks@xxxxxxxxx>
Date: Fri, 17 Sep 1999 10:36:12 +0100 (BST)

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.

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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