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Re: help!

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: help!
From: "sbulut77@xxxxxxxxx ." <sbulut77@xxxxxxxxx>
Date: Sun, 27 Apr 2003 23:49:44 -0700 (PDT)
So, would you let me know how I can fix it or what I should try?

Thanks,
-Serdar Bulut

--- Horms <horms@xxxxxxxxxxxx> wrote:
> On Sat, Apr 26, 2003 at 11:26:28PM -0700, sbulut77@xxxxxxxxx . wrote:
> > Hi,
> > 
> > I am trying to make a simple configuration work:
> > 
> > I have redhat linux 8.0 on all my servers. Here are my
> configurations:
> > 
> > Local Director: (kernel-2.4.18-27.8.0,ipvsadm-1.21-4)
> > ipvsadm -A -t 6x.1x.1x.101:80 -s rr
> > ipvsadm -a -t 6x.1x.1x.101:80 -r 192.168.0.2:80 -w 10 -m
> > ip 192.168.0.1
> > ip 6x.1x.1x.101
> > /etc/sysctl.conf
> > ----------------------------
> > net.ipv4.ip_forward = 1
> > net.ipv4.conf.default.rp_filter = 1
> > kernel.sysrq = 0
> > kernel.core_uses_pid = 1
> > -----------------------------
> > 
> > Real Server: (kernel-2.4.18-27.8.0)
> > apache is bound to 192.168.0.2:80 (tcp connection tested from Local
> > Director)
> > ip: 192.168.0.2
> > gw: 192.168.0.1
> > 
> > Client (Windows 2000)
> > ip: 6x.1x.1x.103
> > 
> > It is not working. I am tcpdumping port 80 on real-server. It
> doesn't
> > send the ack package back to the client. However when i initiate a
> > connection from local director, it does send the ack package back. 
> 
> Sounds like it could be a routing problem on the real server.
> I notice that you are using -m (IPVS-NAT). The real servers
> need to route packets to clients via the Linux Director.
> Usually this means that the Linux Director needs
> to be the default gateway for the Real Servers and
> that clients need to be on the other side of the
> Linux Director, that is, not on the local network.
> 
> If you need Clients on the local network to be able to
> access the virtual service there are lots of games
> that can be played. I would suggest looking at
> using LVS-DR if you need this.
> 
> -- 
> Horms
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