shipping-2960#show run int gi3/0/15
Building configuration...

Current configuration : 313 bytes
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interface GigabitEthernet3/0/15
 description Cristina
 switchport trunk native vlan 30
 switchport mode trunk
 switchport voice vlan 3
 srr-queue bandwidth share 10 10 60 20
 queue-set 2
 priority-queue out
 mls qos trust cos
 auto qos voip trust
 spanning-tree portfast
 spanning-tree bpduguard enable
end