Cisco Firepower NGFW Virtual (NGFWv) is the virtualized version of Cisco’s Firepower next generation firewall.
The Cisco NGFW virtual appliance is available in the AWS and Azure marketplaces. In AWS, it can be
deployed in routed and passive modes. Passive mode design requires ERSPAN, the Encapsulated Remote Switched Port Analyzer, which is currently not available in Azure.
In passive mode, NGFWv inspects packets like an Intrusion Detection System (IDS) appliance, but no action can be taken on the packet.
In routed mode NGFWv acts as a next hop for workloads. It can inspect packets and also take action on the packet based on rule and policy definitions.
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