Trunk mdoe and 802.1q

i'm trying to configure a fastethernet interface on a switch to operate in trunk mode and use 802.1q, so far i got this

i need to know the next steps cause i'm stuck, i'm pretty sure after the interface command there is 2 more

sw_b(config-if)#interface fastethernet 0/12
sw_b(config-if)#

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Comments

tunerX

configure terminal
interface FastEthernet0/12
no switchport access vlan
switchport mode trunk
switchport trunk encapsulation dot1q
exit

Milkyway

Don't forget switchport trunk allowed vlan and switchport trunk native vlan configurations.

mojomuchmojo

? for TunerX,

Is it necessary to issue the "no switchport mode access", I thought that issuing the "switchport mode trunk" would be enough.

Does this depend on whether or not the port was in its default LAN1 state or if it had been assigned a VLAN using the 'switchport mode access' command?

TIA for the reply...

garv221

mojomuchmojo wrote:

? for TunerX,

Is it necessary to issue the "no switchport mode access", I thought that issuing the "switchport mode trunk" would be enough.

TIA for the reply...

He said " no switchport mode access vlan" this will take it off a vlan & allow you to place it in trunk mode. You cannot trunk while a vlan is in place on an Interface.