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ldirectord will use the same port for the real servers as defined for the
virtual server when "gate" is used for the real servers. If I use "masq" for
the real servers and have the following configuration,
virtual=10.10.50.100:80
fallback=127.0.0.1:8080
real=10.10.50.11:8080 masq
real=10.10.50.12:8080 masq
service=http
request="test.html"
receive="It works"
scheduler=rr
protocol=tcp
checktype=negotiate
the requests get load balanced, but the TCP response has the source as real
ip with port 8080 and the browser does not accept this response.
On Fri, Feb 13, 2009 at 1:54 AM, Adrian Chapela <
achapela.rexistros@xxxxxxxxx> wrote:
> Praveen Sooryanarayana escribió:
> > I have a setup created based on the Streamline High Availability and Load
> > Balancing configuration of Ultramonkey. I have tomcat running on port
> 8080
> > on the servers.
> > I'm using iptables to redirect the request on virtual ip from port 80 to
> > 8080.
> >
> > iptables -t nat -A PREROUTING -p tcp -d 10.10.50.100 --dport 80 -j DNAT
> --to
> > 10.10.50.100:8080
> >
> I think that is easier than using PREROUTING. See below.
> > When tomcat is up on both the servers, I don't see any load balancing.
> The
> > local server always responds to the requests. And when tomcat on the
> local
> > server goes down, the request is not handled by the other server.
> >
> >
> > ldirectord.cf :
> >
> > checktimeout=10
> > checkinterval=2
> > autoreload=no
> > logfile="/var/log/ldirectord.log"
> > quiescent=yes
> >
> > virtual=10.10.50.100:8080
> >
> Have you tried to use this virtual=10.10.50.100:80 <http://10.10.50.100/>?
>
> And then the next lines of your configuration. I use keepalive and I
> can define the virtual server on a different port of my real server.
> Could you try ?
>
> > fallback=127.0.0.1:8080
> > real=10.10.50.11:8080 gate
> > real=10.10.50.12:8080 gate
> > service=http
> > request="test.html"
> > receive="It works"
> > scheduler=rr
> > protocol=tcp
> > checktype=negotiate
> >
> > Output of ipvsadm -L -n:
> >
> > IP Virtual Server version 1.2.1 (size=4096)
> > Prot LocalAddress:Port Scheduler Flags
> > -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> > TCP 10.10.50.100:8080 rr
> > -> 10.10.50.11:8080 Route 1 0 0
> > -> 10.10.50.12:8080 Local 1 0 0
> >
> >
> > What am I doing wrong ? And how can I fix the issue ?
> >
> >
> Regards,
> Adrian
>
>
> _______________________________________________
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> http://www.linuxvirtualserver.org/
>
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>
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