Tagged and Untagged Frame

Unanswered Question
Jul 12th, 2008

Part of this configuration is taken from 1200 Series Access Point. I notice one strange thing.

Why does ManagementVlan interface of the AP need native not DataVlan for the users?

I thought Cisco products understand the tagged frame but not user's DataVlan.

interface Dot11Radio0.(DataVlan)

encapsulation dot1Q (DataVLan)

no ip route-cache

bridge-group 255

bridge-group 255 subscriber-loop-control

bridge-group 255 block-unknown-source

no bridge-group 255 source-learning

no bridge-group 255 unicast-flooding

bridge-group 255 spanning-disabled


!interface Dot11Radio0.(ManageVlan)

encapsulation dot1Q (ManageVlan) native

no ip route-cache

no cdp enable

bridge-group 1

bridge-group 1 subscriber-loop-control

bridge-group 1 block-unknown-source

no bridge-group 1 source-learning

no bridge-group 1 unicast-flooding

bridge-group 1 spanning-disabled

I have this problem too.
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scottmac Sun, 07/13/2008 - 05:27

There is some variance from product type to product type.

In the case of some switches, you can set the management interface to be associated with any VLAN, whether it's Native or not.

In the case of Wireless Access Points, the management VLAN must be the Native VLAN.

Good Luck



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