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We are looking to get 2 new FTD's and want to deploy them in a HA pair, I've been going thru docs and designs and noticed all of them show a RTR as the edge device and both FTD's coming off of that. (with private ip addresses on the outside interface...
Current setup: FTD --> Outside_Int-->(public ip) ISP RTR in transparent mode. What RTR models should I look at to place between the ISP RTR and my FTD's?