Aggregate and redundant VPN

The following topics provide instructions on configuring aggregate and redundant VPNs:

• Manual redundant VPN configuration
• OSPF with IPsec VPN for network redundancy
• IPsec VPN in an HA environment
• IPsec aggregate for redundancy and traffic load-balancing
• Per packet distribution and tunnel aggregation
• Redundant hub and spoke VPN
• Weighted round robin for IPsec aggregate tunnels