Pre-requisite to do Active/Active and Active/Standby failover 1. If you own a pair of PIX525 you need an unrestricted license to use the failover feature. Licensed features for this platform: Maximum Physical Interfaces  : 10 Maximum VLANs                : 100 Inside Hosts                 : Unlimited Failover                     : Active/Active VPN-DES                      : Enabled VPN-3DES-AES                 : Enabled Cut-through Proxy            : … Continue reading Firewall:Configuring stateful Active/Standby failover using a pair of PIX525 →