CodePudding user response:

Used this, but see hints, does is check the kernel support IPsec failure, which should be modified kernel parameter
Then there's Pluto is not running
You look at the following article modifying kernel parameters inside, see if there is any help, or baidu some detailed installation process
https://www.123admin.com/how-to-configure-l2tp-and-ipsec-on-centos/

CodePudding user response:

L2TP/IPSec build complete tutorial can provide