[Linux-cluster] LVS: Not as a gateway?

[isplist at logicore.net]

Maybe someone who's running DIRECT and all of the same internap IP's. can send 
me their lvs.cfg? I'm stumped.


On Thu, 2 Nov 2006 12:34:15 -0500, Christopher Hawkins wrote:
>> -----Original Message-----
>> 
>> From: linux-cluster-bounces at redhat.com
>> [mailto:linux-cluster-bounces at redhat.com] On Behalf Of
>> isplist at logicore.net
>> Sent: Thursday, November 02, 2006 12:26 PM
>> To: linux-cluster
>> Subject: [Linux-cluster] LVS: Not as a gateway?
>> 
>> From what I've seen, LVS can act as an NAT gateway, direct
>> routing or tunneling.
>> 
>> The LVS machines are already under NAT under the firewall's.
>> 
>> I cannot change my web servers to point to LVS as this causes
>> too many complications but,  each server does have two
>> Ethernet interfaces.
>> 
>> I cannot really use NAT as the machines are already under NAT
>> to my firewall's so, what's the best way of dealing with this
>> without creating another sub networking within?
>> 
>> Mike
>> 
> 
> You would probably want direct routing. "Direct" means on the same network
> as the director, and able to use the same gateway to the outside world. An
> outside client would access services by sending a packet to your firewall,
> which would forward it to the director, then the director would choose an
> LVS "real server" to send it to for processing, and then the real server
> that got it would reply "directly" to the client without further
> intervention from the director machine.
> 
> Chris
> 
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