diff --git a/config_file_core_switch b/config_file_core_switch
index 30fe156..6a4aa8f 100644
--- a/config_file_core_switch
+++ b/config_file_core_switch
@@ -293,7 +293,7 @@ interface TenGigabitEthernet1/0/12
  description User
  switchport access vlan 10
  switchport mode access
- shutdown
+ no shutdown
  spanning-tree portfast
 !
 interface TenGigabitEthernet1/0/13
@@ -514,7 +514,7 @@ interface TenGigabitEthernet2/0/12
  description User
  switchport access vlan 10
  switchport mode access
- shutdown
+ no shutdown
  spanning-tree portfast
 !
 interface TenGigabitEthernet2/0/13