We are currently using a couple of Nokia's IP440 configured with VRRP in our
Network; for the past two weeks we've been trying to inject into our Network
a Load Balancing product (Cisco's LocalDirector) for our Web Server Farm.
For some strange reason whenever we injecting local director into our
topology and direct traffic to the 'Virtual IP' of Local Director (all http
request are sent to the virtual IP and then LocalDirector directs traffic to
the different servers) after 10 or 15 minutes the 'DMZ' interface on the
Firewall shuts itself down for a period of 5 to 8 seconds at some odd
intervals and for no apparent reason. The strange thing is that if we stop
sending traffic to the 'virtual ip' of local director and just use it as a
bridge the problem never shows up!
Has anyone done something similar and got it to work? We've checked just
about everything -includding sniffer traces- and can't find anything that
could help us understand what is provoking this unexpected behavior in the
firewall.
Cheers,
-Victor
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