I've been searching these forums trying to research which security device I want to implement at a new datacenter, either the ASA or the FWSM.
It seems that I've read quite a few opinions where people say that the ASA is better suited as an external/gateway firewall, where the FWSM is better suited to internal security issues. Can someone please help me understand why this is the case? It seems like having a FWSM inside a 6500 chassis would give you many options over the ASA, as long as you didn't need a specific ASA feature I guess.
My new datacenter will be handling real-time data, both unicast and multicast. I don't have any need for many advanced IPS/IDS features -- I just need basic firewalling with routing. I expect to handle connections from variuos extranet providers as well as the internet.
What do you guys think?
Thanks in advance