Config switch port
# ssh -l admin ca-6op290-3-swi-1 ca-6op290-3-swi-1>enable Password: ca-6op290-3-swi-1# ca-6op290-3-swi-1# show running-config ca-6op290-3-swi-1# show config ca-6op290-3-swi-1# show vlan ca-6op290-3-swi-1# config terminal ca-6op290-3-swi-1(config)# interface GigabitEthernet1/9 ca-6op290-3-swi-1(config-if)# description private network ca-6op290-3-swi-1(config-if)# switchport access vlan 617 ca-6op290-3-swi-1(config-if)# switchport trunk native vlan 617 ca-6op290-3-swi-1(config-if)# switchport trunk allowed vlan 617,671-680 ca-6op290-3-swi-1(config-if)# switchport mode trunk