Robustel R1520 User Guide
RT056_UG_R1520_v.1.0.3 Dec. 25, 2021 85/159
The window is displayed as below when choosing “xAuth CA” as the authentication type.
Select from “IKEv1” and “IKEv2”.
Select from “Main” and “Aggressive” for the IKE negotiation mode in phase 1.
If the IP address of one end of an IPsec tunnel is obtained dynamically, the IKE
negotiation mode must be aggressive. In this case, SAs can be established as
long as the username and password are correct.
Select from “MD5”, “SHA1”, “SHA2 256” or “SHA2 512” to be used in IKE
negotiation.
Select from “3DES”, “AES128”, “AES192”and “AES256”to be used in IKE
negotiation.