Does anyone know anything about "sourcefire" owned by cisco now

I have attached an image below for better understanding. Before I started the changes, the link between the backup asa and core did not exist, prior to the config change, it was actually going to the backup sw. So, backup asa over to sourcefire over to backup sw. Everything worked that way but with the new implementation, I need to move that link over to the core, On the core, i had identical config, i configured the new vlan on the switch plugged the cable from firesource and there i had a ping from the backup asa interface to the core vlan but, after the swap, every connection that ran through the backup asa was down. I had some wireless connections running through backup, (went down) i could no longer ping the asa from my host (was able to before the change)  i could not even ping the outside IP of the backup asa. I dont know much about the firesource device, can anyone shed some light and provide some deatils on why i wan unable to get this running on the core sw? I moved things back to the backup sw and everything came back ip

Shark AttackNetwork adminAsked:
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Pete LongTechnical ConsultantCommented:
Firesource is just a management appliance for the firepower services module in X series firewalls?
Shark AttackNetwork adminAuthor Commented:
i thought it was some kind of intrusion prevention system?
Shark AttackNetwork adminAuthor Commented:
Pete LongTechnical ConsultantCommented:

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