Designing fully redundant secure DMZ question - TechRepublic
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June 21, 2012 at 04:19 PM
paul.duffany

Designing fully redundant secure DMZ question

by paul.duffany . Updated 13 years, 2 months ago

Hi,
I am tasked with designing an active/standby ASA environment.
For the security appliances and the Dirty DMZ configuration I have what I believe to be a good design, however, for the secure DMZ I have challenges.

For instance, in a single DMZ connected to the active/standby appliances, how can I make that DMZ redundant. Cisco docs show two switches that are trunked together and connected to their respective firewalls, the servers are dual homed with a connection to each DMZ switch.
However, if the switch connected to the active firewall fails, I see no way for the Servers in the DMZ to remain in service.

What is the solution for a fully redundant DMZ?

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