I use PA-220's in HA pairs often, and I've always used a straight-through cable to connect port 7 and 8 from FW1 to port 7 and 8 on FW2. I've never had ANY issues with this configuration.
I just learned that PAN says to use a crossover cable when connecting the firewalls directly to one another like I have been doing all this time with a straight through cable.
What's the benefit of using a crossover cable vs. straight through cable? To me, it just complicates the environment and adds another item to keep in inventory. In my opinion, cross over cables are becoming more and more irrelevant as more and more devices are becoming smart enough to reverse the pins automatically.
Thanks in advance.
The only benefit is that you are taking auto sense out of the equation. Autosense can fail, but it's extremely rare at this point. A crossover takes that possibility out of the equation though. So the recommendation that TAC made is technically the most correct way to do it, but lets be honest we've all moved past that practice.
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