[lvs-users] Load balance IIS and Apache servers

Simon Horman horms at verge.net.au
Wed Jul 13 03:32:58 BST 2011

On Tue, Jul 12, 2011 at 06:06:01PM -0400, Kanwar Ranbir Sandhu wrote:
> Hi All,
> I'm using pulse + lvs on a couple of RHEL 6.1 machines. Pulse and lvs
> are working wonderfully so far, though it's all only in testing.
> I'm quite new to LVS. The questions I'm about to ask for the scenario
> I'm about to present may be stupid.  Nonetheless, I'd appreciate an
> answer!
> I have a virtual server configured for a bunch of apache servers.  I've
> tried to configure a second virtual server listening on a different IP
> for a bunch of IIS servers.  Of course, I have both virtual servers
> using the same port, which is 80.
> If I start pulse, the first virtual server comes up fine, but the second
> one fails.  For shits and giggles, I changed the port for the second
> virtual server to 22, and upon restarting pulse, the second virtual
> server started up. I could see the real servers associated with both
> virtual servers.
> I'm going to assume I can't have two virtual servers using the same
> application port even though their virtual IPs are different. If this is
> indeed true, is there a workaround? If there isn't, how should I go
> about load balancing IIS and Apache servers with one set of LVS routers?

Hi Ranbir,

I'm not sure why you had the problem that you describe, nor am I
particularly familiar with pulse, however what you describe
is most certainly possible for LVS to achieve.

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