H

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [V] [W] [X]

HA (High Availability)
     geographic HA
         DMVPNs,
         IPsec+GRe,
         RRI with multiple IPsec peers,
     in RAVPNs
         concentrator redundancy with multiple peers, 2nd
         DNS-based load balancing,
         HSRP,
         VCA,
         VRRP, 2nd 3rd
    load-balanced designs
         concentrator clustering,
         DNS server load balancing,
         external load balancers,
         load sharing with peer statements,
         routing,
     peer availability
         on-demand DPD,
     SSO
    stateful HA
         alternatives to,
         failover process,
    stateless HA
         alternatives to,
         failover process,
     tunnel termination redundancy
         on HSRP/VRRP virtual interfaces,
         using RP-based IPsec HA,
         with multiple peer statements,
handshake process (SSL VPNs),
hardware-based VPN clients,
hashes,
Hellman, Martin,
HMAC (hashed message authentication codes), 2nd
home gateways,
HSRP (Hot Standby Routing Protocol),
     RAVPN concentrator HA
     timers, tuning
HSRP/VRRP virtual interfaces, tunnel termination point HA,
hub-and-spoke IPsec model,
     clustered spoke design
     site-to-site VPNs