... switch, 25 IPsec VPN peers, 2 Premium VPN peers, DMZ, stateless Active/Standby high availability, 3DES/AES licenseASA5505-SEC-BUN-K9Cisco ASA 5510 Firewall ... Ethernet interfaces, 250 IPsec VPN peers, 2 Premium VPN peers, Active/Standby high availability, 3DES/AES licenseASA5510-SEC-BUN-K9Cisco ASA 5520 Firewall Edition ...