[plug] End of my LVS rope

[Dean Holland]

Just to clarify - the real servers are using the director as their
default gateway? Or are the director and real servers all on the same
subnet all using the router as the default gateway?

Also are you using routed or NAT mode for LVS?

Dean

On Fri, 2003-12-19 at 11:29, Adam Hewitt wrote:
> Hi All,
> 
> I have setup and LVS testbed at work which looks like the following
> 
> client <---> router <---> director <---> real server
>                                                          |----> real 
> server
> 
> the real servers are running postfix.
> 
> When I telnet to the Virtual IP on the director on port 25 I can see 
> the traffic leave the client, get to the router, then to the director, 
> which sends it to a random real server, the real server then send the 
> packets back to the director and the packets are dropped.
> 
> First thought would be default route, of which the director has the 
> router as the default.
> 
> Second I thought maybe firewall rules, but I have flushed and set them 
> all to ACCEPT.
> 
> Thirdly I thought maybe it was the rp_filter because the traffic coming 
> from the real servers has the source address of the Virtual interface 
> of the director, but I messed around with them and it didn't help.
> 
> What is wierd is that if I ping the client from a real server it works, 
> but that could be because the source address is the real ip address of 
> the real server, but I can't see how it would be different from my 
> configuration
> 
> I have had one of the other admins to have a look and see if he can 
> comprehend it, but to no avail.
> 
> I can now no longer think of anything else that would be causing a 
> problem.
> 
> Does anyone have any idea as to why this would be happening?
> 
> Cheers,
> 
> Adam.
> 
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