Huawei Exam H12-721 Topic 3 Question 14 Discussion

IPSec NAT traversal does not support IKE main mode, aggressive mode IP address + pre-shared key mode authentication, because pre-shared key mode authentication needs to extract the source IP address in the IP address to find the pre-shared key corresponding to this address. . The address change caused by the presence of NAT prevents the device from finding the pre-shared key.