What is the difference between IKE key and manual key?
IKE is short for Internet Key Exchange. Key management allows you to determine whether to use IKE key and manual key for Security Association to set up a VPN. Autokey (IKE): Once peer sites have authenticated each other, they generate bulk encryption keys for purpose of encrypting application data packets. These keys are known only to the both sites, so the data is very well protected against modification or interpretation by attackers. Each site uses IKE to negotiate what type and strength of keys to use, as well as what type of security to protect the application traffic. These key are automatically refreshed according to IPSec policy settings to provide constant protection. Manual key: User defines the Encryption and Authentication key by themselves. IKE key is considered more secured than manual key, because IKE can generate new keys randomly for VPN connection.
