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Server load balancing - not reachable from same subnet

drees
I've got a fairly typical setup running Astaro 7.502 with an external subnet, DMZ and LAN.

Two webservers on the DMZ are loadbalanced (port 80/443).

The web servers are reachable both from externally and the LAN using the External web server IPs.

But if you try to use the external IP address to reach the web servers from the DMZ itself, the connection times out.

There are no packet drops logged in the firewall rules.

Any ideas on how to get this to work so we can take advantage of SLB from the same subnet?

Smells like a NAT issue to me, but I've tried the usual tricks without any success.


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    Hi Barry,

    Thanks looking at the last post in that thread, it does seem that adding an additional internal IP to Astaro does seem like it would work.

    But I was hoping to avoid having to use a split DNS setup.

    I seem to recall that without the SLB Astaro would just magically "do the right thing" and reflect the connections back in - should that work in either case?
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  • 0
    Hi Barry,

    Thanks looking at the last post in that thread, it does seem that adding an additional internal IP to Astaro does seem like it would work.

    But I was hoping to avoid having to use a split DNS setup.

    I seem to recall that without the SLB Astaro would just magically "do the right thing" and reflect the connections back in - should that work in either case?
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