Example for Establishing an IPSec Tunnel Using a Tunnel Interface - AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010 CLI-based Configuration Guide - VPN - Huawei
Example for Configuring Efficient VPN in Network-auto-cfg Mode to Establish an IPSec Tunnel - AR500, AR510, and AR530 V200R007 CLI-based Configuration Guide - VPN - Huawei
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VYOS (1.1.8) ipsec site-to-site tunnel and l2tp vpn on the same vyos router - General questions - VyOS Platform Community Forums
![Gateway Whiz]Example for Establishing an IPSec Tunnel Between the AR and Cisco Router in IKEv1 Main Mode Gateway Whiz]Example for Establishing an IPSec Tunnel Between the AR and Cisco Router in IKEv1 Main Mode](https://forum.huawei.com/enterprise/en//data/attachment/forum/201702/23/20170223162158815001.png)