Cisco ASA AES encryption disabled

Today I wanted to configure a site2site VPN on my Cisco ASA in my laboratory. When I tried to configure the transform-set I received the following error message: Firewall(config)# crypto ipsec ikev1 transform-set ESP-AES256-SHA esp-aes-256 esp-sha-hmac The 3DES/AES algorithms require a VPN-3DES-AES activation key. I’ve never saw this message before. It was very confusing seeing the 3DES-AES feature … Read more

Link Aggregation with Cisco ASA

Interesting project that I got some days ago: I need to connect a Cisco ASA redundantly to a HP Switch Switch cluster (clustered with IRF protocol) and VLAN tag support. I configured a bridge-aggregation interface at the HP 5920AF-24XG like this (VLANs were already configured): interface Bridge-Aggregation1 description Link to Cisco ASA interface Ten-GigabitEthernet1/0/8 port link-aggregation … Read more