This chapter covers advanced design concepts using multiple features of FWSM and other networking technologies. These design scenarios help increase the availability and redundancy of the FWSM aligned with the network environment.
The features of network virtualization with Layer 3 VPN technology are not covered in this chapter. The reader should know the concept of Layer 3 VPNs and routing protocols prior to reading this chapter.
Network virtualization is an efficient utilization of network resources through logical segmentation of a single physical network. The need for network virtualization occurs because of multiple factors:
• Network consolidation due to mergers and acquisitions.
• To minimize total cost ...