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how can i configure fast ethernet port as a trunk port

i have 3 vlans in cisco3550. i wanna use one fastethernet port as trunk port which is fe0/1 in vlan1. what i want is that vlan2 and vlan3 use this trunk port and access my network through this port. which is not implimenting by me.
plz let me know that how can i make fe0/1 accessable through vlan1,valn2 and vlan3. all vlans have 8 ports each.
 
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urmoin
Asked:
urmoin
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urmoinAuthor Commented:
i have 3 vlans in cisco3550. i wanna use one fastethernet port as trunk port which is fe0/1 in vlan1. what i want is that vlan2 and vlan3 use this trunk port and access my network through this port. which is not implimenting by me.
plz let me know that how can i make fe0/1 accessable through vlan1,valn2 and vlan3. all vlans have 8 ports each.
 
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Dr-IPCommented:
The following commands should do the trick, but you will have to make sure what you match VLAN encapsulation of the device that trunks to that port. If you don’t know you can always try both dotlq and isl and see which one works.

interface FastEthernet0/1
switchport trunk encapsulation dot1q, or isl
switchport trunk allowed vlan all
switchport mode trunk        
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lrmooreCommented:
Whatever you are connecting this trunk port to will also have to be configured simularly.
your VTP domain will have to be established, and the vtp server identified, all other switches will be clients.

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lrmooreCommented:
urmoin,
No comment has been added lately (89 days), so it's time to clean up this TA.
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