Configuring High Availability Site-to-Site IPSec VPN Using HSRP Between Cisco Routers and ASA Firewall

1. Overview To achieve the high availability purpose of site-to-site IPSec VPN between head office and remote branch offices, we need to combine Hot Standby Router Protocol (HSRP) with IPSec protocol. VPN devices at the remote branch offices will peer with virtual IP address of HSRP in head office….
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