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untagged VLANs

pushkar1782
Beginner
Beginner

hi all

Plz let me know the concept of untagged vlans/native vlans and where should we use them . i cant find a situation where we can use them .

also let me know how to configure extreme network switches ( alpine 3804 , 48si ) . any link for its documentation and configurations.

1 Reply 1

amit-singh
Collaborator
Collaborator

Hi Pushkar,

Native vlan is a whole whose ethernet frames on sent untagged.Cisco has made the use of Native vllan on its swithces.

http://en.wikipedia.org/wiki/IEEE_802.1Q

If you are setting up a trunk on extreme switches, you have to manually TAG each and every vlan on that port. On cisco switches all vlans get tagged bydefault when you enable trunking but in case of Extreme you have manually tag each vlan.Rest look for some configuration guide on extreme website.

HTH,

-amit singh

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