- Router (config) : interface gigabitEthernet X
- Router (config-if) : no shutdown
- Router (config-if) : switchport mode trunk
- Router (config-if) : switchport trunk allowed vlan all
- Router (config-if) : switchport trunk encapasulation dot1q
- Router (config-if) : switchport trunk native vlan x (example : 1)
Show interfaces commando’s
- Router#show interfaces trunk (show a list from all the trunk ports with allowed en active Vlans)
How to configure the switch; see :
https://www.ciscopress.com/articles/article.asp?p=3089357&seqNum=5