Robustel R5020 User Guide
RT_UG_R5020_v.1.0.2 Mar. 17, 2023 95/167
If choose AH as protocol, the window of SA Settings is displayed as below.
Select from “3DES”, “AES128”, “AES192”or “AES256” when you select “ESP”
in “Protocol”. Higher security means more complex implementation and
lower speed. DES is enough to meet general requirements. Use 3DES when
high confidentiality and security are required.
Select from “MD5”, “SHA1”, “SHA2 256” or “SHA2 512” to be used in SA
negotiation.