[f-nsp] ServerIron multiple virtual ports to real ports
Jonas Frey
jf at probe-networks.de
Sat Feb 21 07:58:01 EST 2009
Hi,
thanks for the help, solved this via real-port as Ryan proposed:
RS1
port 12345
RS2
port 23456
VS1
port 12345
port 23456
bind 12345 RS1 12345 real-port http
bind 23456 RS2 23456 real-port http
Regards,
Jonas
On Sat, 2009-02-21 at 11:53, Nicolaj Kamensek wrote:
> Jonas Frey schrieb:
>
> Hello,
>
> > Now i want to define ports on teh virtual server which each always go to
> > the same real server.
> > For example:
> >
> > 10.0.0.1 (VS) Port 81 -> 10.0.10.2 (RS) Port 80
> > 10.0.0.1 (VS) Port 82 -> 10.0.10.3 (RS) Port 80
> >
> > The problem here is that i already have "used up" port 80 on the real
> > servers for the load balancing.
> >
> > I basically need a way to circumvent the loadbalancing and get on the
> > real servers standard http port. Has anyone found a way to solve this?
>
> for that purpose, we have a 2nd routing table running on the nodes. The
> trick is to mark port-80 traffic with iptables and forward exactly that
> kind of traffic to the load-balancer using an ip rule.
>
> This makes it possible to add another http vhost on a different port
> which can be used to directly access the server.
>
>
> HTH,
> Nico
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