add vlan to existing trunk port


I have an existing trunk port with vlans already added in, i would like to trunk another vlan to this port how would i go about this

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Patrick BogersConnect With a Mentor Datacenter platform engineer LindowsCommented:
Hi again,

To add vlan 100 to the trunk use,

switch(config)# interface fa0/1  (as an example)
switch(config-if)#switchport trunk allowed vlan 100

Not sure if this is what you mean.
Daniel HelgenbergerCommented:
Just wanted to add: You need to add the VLAN on both ends (=switches) of the trunk, of course.
davidm27Author Commented:
great cheers
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