Why my Security gateway’s interface cannot enable the guest interface?

Zyxel_Melen
Zyxel_Melen Posts: 2,409  Zyxel Employee
Zyxel Certified Network Engineer Level 1 - Switch Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate

This is because this interface is using VPN in the site-to-site VPN page. If you need to enable the guest interface, please disable VPN usage on this interface.