Can't enable firewall on router in Packet Tracer

[S.J.]

Hello!Cisco Adaptive Security Appliance (ASA

I'm a newbie in Cisco's PT. I'm trying to configure and enable the firewall in a wireless router's GUI, but for some Cisco Adaptive Security Appliance (ASA)reason, the SPI Firewall Protection buttons are not activated and I can not seem to click on anything on the Firewall tab. Can someone help me in this matter? 

Thanks in advance!

[Martin L]

Not all features are available or working in PT especially in router's GUI.

PT from Cisco Net Academy is just a software Simulator; it does not run on real IOS or virtual IOS; It is close to IOS but It does not really behave like real IOS would (some simply features do).
PT is excellent tool to learn and practice networking fundamentals and commands for CCNA exam.

Regards, ML
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