Why my Nebula ACL cannot work properly? The traffics are blocked by switch.

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

If the deny all rule is the first rule, the switch will not check the other rules and discard all of traffics.

Please make sure the deny rule has the lower priority.