Hello,
Regarding the bringing up and down of the Wireguard network you there is no exact SMS Utility command for that the best thing to do this is using the SMS UCI API commands. Where it should be like this:
Admin123 uci set network.Test.disabled='0' -> Enable Wireguard
Admin123 uci set network.Test.disabled='1' -> Disable Wireguard
where:
Test is the Wireguard Config Name. And Admin123 is the router password
Admin123 uci commit network -> Execute this one after 1 min
Admin123 reboot -> Device reboot is needed to apply the changes
I hope it helps
Regards,
Mellow