For VPN-related configurations, SecoClient software is used for endpoints to dial into devices via L2TP, L2TP over IPsec, or SSL VPN. This can be obtained from enterprise network management or downloaded from the Huawei technical support website.
Then, he used the specific command to decrypt it on the device (provided he had the super admin password, which he did). <Core-Router> configuration decrypt configuration.cipher configuration.txt For VPN-related configurations