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Re: [Linux-cluster] LVS, not so fun today...

On 11/9/06, isplist logicore net <isplist logicore net> wrote:
Hi and thank you for helping.

I'll post all I can think of. I have IPTables turned off, SElinux disabled so
it's not a firewall issue. I can also post my lvs.cf if that will help.

> Can you post the results of "arping"? You might need to
> specify the interface and source IP, see the man page for more info.

Sure, ping form where? All machines on my network see which is
the VIP on the load balancer. I'm back to Piranha today.

Do the ARP ping from anywhere. It might not be related at all to your
problem but ARP problems will cause you no end of headaches with
direct routing. The output should look something like this:

arping -I eth2  -s
ARPING from eth2
Unicast reply from [00:13:72:5D:FA:F1]  0.722ms
Unicast reply from [00:13:72:5D:FA:F1]  0.785ms
Unicast reply from [00:13:72:5D:FA:F1]  0.685ms
Unicast reply from [00:13:72:5D:FA:F1]  0.679ms
Unicast reply from [00:13:72:5D:FA:F1]  0.723ms
Unicast reply from [00:13:72:5D:FA:F1]  0.626ms
Unicast reply from [00:13:72:5D:FA:F1]  0.732ms
Unicast reply from [00:13:72:5D:FA:F1]  0.790ms
Unicast reply from [00:13:72:5D:FA:F1]  0.690ms
Unicast reply from [00:13:72:5D:FA:F1]  0.663ms
Sent 9 probes (1 broadcast(s))
Received 10 response(s)

If you have different MAC addresses responding then you've got issues.

Also, from your Load Balancer, please post the output of "curl -i"; and the other real server IPs you have (93 and

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