Why the direct node stop?

I heve already configured my director node with Piranha and NAT routing, 3
real servers. This clusters is for HTTP (web) load balancing.

DIRECTOR NODE
eth0: 192.168.26.9
eth0:1 192.168.26.10

eth1 10.11.12.9
eth1:1 10.11.12.10

REAL SERVER 1
eth0: l1 10.11.12.1
gw 10.11.12.10


REAK SERVER 2
eth0. 10.11.12.2
gw 10.11.12.10



>From one outside client I want to access to the real servers througt the
direct    node (links -dump http://192.168.26.10) The request is succesful
few seconds, but the direct node stop and PC die
 I don't know what else i can do? Please help me with any configurations,
suggestions o information hat you have, answer me

Thank very much for your help



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