Consider a failover pair of Cisco ASA 5525-X appliances where both the primary and secondary units have the active AnyConnect Premium Peers licenses for 500 sessions each. After aggregating these capacities, each device in this failover pair allows up to 750 sessions for this feature.
CCNP Security VPN 642-648 Official Cert Guide, 2nd Edition This is Cisco's official, comprehensive self-study resource for the new Deploying Cisco ASA VPN Solutions (VPN v1.0) exam, required for CCNP Security certification. Designed for beginning-to-intermediate level readers, it covers every objective concisely and logically, with extensive teaching features that promote retention and understanding. Cisco Bug: CSCtn56517 - "Failed to update IPSec failover May 22, 2020
Cisco ASA site-to-site VPN failover - Network Engineering
Site-to-site Auto VPN; Client VPN; Traffic shaping and prioritization; Automatic WAN failover; Sub-second site-to-site VPN failover and dynamic path selection; Source based routing and IP-based local breakout; Cellular failover
Client VPN Server Settings . To enable Client VPN, choose Enabled from the Client VPN server pulldown menu on the Security Appliance > Configure > Client VPN page.The following Client VPN options can be configured: Client VPN Subnet: The subnet that will be used for Client VPN connections. This should be a private subnet that is not in use anywhere else in the network.
Datacenter Redundancy (DC-DC Failover - Cisco Meraki A Cisco Meraki MX can be provisioned as a VPN concentrator at each datacenter remote sites will need to connect to. This section will provide a brief overview of configuring a NAT mode concentrator and discuss special configuration considerations. DC-DC failover for NAT mode MXs requires redundant static routes be advertised into the Best way to failover VPN tunnels? - Cisco - Spiceworks Oct 16, 2014