Cisco Secure Firewall 3100 Series The mid-range Cisco Secure Firewall 3100 Series supports your evolving world. It makes hybrid work and zero trust practical, with the flexibility to ensure strong return on investment. The Cisco Secure Firewall 3100 Series is a family of four threat-focused security appliances that delivers business resiliency and superior threat defense. Each model offers outstanding performance for multiple firewall use cases, even when advanced threat functions are enabled. These performance capabilities are enabled by a modern CPU architecture coupled with purpose-built hardware that optimizes firewall, cryptographic, and threat inspection functions. The five models in the 3100 Series deliver a range of performance levels to address use cases from the Internet edge to the data center and private cloud. The 3100 Series supports also clustering to deliver increased performance that can scale to meet your needs as your organization grows. Each model in the series can run either ASA or Firewall Threat Defense (FTD) software and the platform can be deployed in both firewall and dedicated IPS modes. For inline sets and passive interfaces, the 3100 series supports Q-in-Q (stacked VLAN) with up to two 802.1Q headers in a packet. | 
