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Madhav wrote:
>
> Hi Joe,
>
> Following is my setup. I have three machines all with RH 6.1.I am trying a
> VS-NAT setup.
> All the three machines(one router,
^^^^^^
I assume this is the LVS director
2 real servers) are connected to the LAN.
you have one physical network
> That is why I am not giving any figure.
> The router has 2 ethernet cards. I do not have a HUB now. I tried this setup
> one year back(with HUB) and it worked well.
> But now I am back to square one as I was working in different environment.
> Now I am doing this as the test bed for my project.
> Will this setup works or do I specifically need to use a HUB for VS-NAT
> configuration.
the LVS doesn't care how the machines are connected as long as they can pass
packets to each other. You can have a hub, switch or have the machines
directly connected.
>
> *router-eth0:0- 172.16.30.76*,
> *router-eth0- 172.16.30.75*,
> *router-eth1- 10.1.10.9*,
> *real server1-eth0-10.1.10.10*,
> *real server2-eth0-10.1.10.11*
> What I remember is that I must create a virtual IP for the router.
> So I created eth0:0 with 172.16.30.76 for the router(eth0:172.16.30.75). The
> routes are
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use
> Iface
> 10.1.10.9 * 255.255.255.255 UH 0 0 0
> eth1
> 172.16.30.76 * 255.255.255.255 UH 0 0 0 eth0
> 172.16.0.0 * 255.255.0.0 U 0 0 0 eth0
> 10.0.0.0 * 255.0.0.0 U 0 0 0 eth1
> 127.0.0.0 * 255.0.0.0 U 0 0 0 lo
>
> Will the following commands be enough.
>
> echo 1 > /proc/sys/net/ipv4/ip_forward
> /sbin/ipchains -A forward -j MASQ -s 10.1.10.9/24 -d 0.0.0.0
> $IPVSADM -A -t 172.16.30.76:80 -s wlc
> $IPVSADM -a -t 172.16.30.76:80 -R 10.1.10.10:80 -m
> $IPVSADM -a -t 172.16.30.76:80 -R 10.1.10.11:80 -m
>
> I tried connecting to the VIP 172.16.30.76 of router without success. In the
> router the ipvsadm command shows the connection as inactive. I will read the
> docs. But in case you find any mistake in the set can you tell me?
> thanks in advance,
read about setting up the default gw for the real-servers
Joe
--
Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin
contractor to the National Environmental Supercomputer Center,
mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA
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