The 7120 will very shortly go End of Sale/End of Life.
The 2100 series supports the majority of Sourcefire/Firepower features and also a subset of the ASA features have been ported over and more are on the roadmap.
Important to realise that the tr...
I would recommend debugging the connection and looking for specific notifications.
#debug crypto isakmp
#debug crypto ipsec
This document might help:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_conn_vpnips/configuration/xe-3s/sec-sec-...
