Re: dot1q tag native & sh int switchport

From: Alexei Monastyrnyi <alexeim73_at_gmail.com>
Date: Mon, 13 Jul 2009 14:26:35 +1000

Hi.
It doesn't really mean operational status of the switch-port for dot1q
native vlan tagging. On some platforms (like 6500) there is actually
"Operational Native VLAN Tagging: ... " line in "show interface
switchport" output which changes according to "vlan dot tag native"
presence in the ocnfig. So you'd better trust "show vlan dot tag antive"
output.

HTH
A.

Keegan.Holley_at_sungard.com wrote:
> Does anyone know what the Administrative native vlan tagging line means in
> the show int switchport? It always says enabled even when native vlan
> tagging is off.
>
> RSRack1SW2(config)#do sh int g0/16 swi
> Name: Gi0/16
> Switchport: Enabled
> Administrative Mode: trunk
> Operational Mode: trunk
> Administrative Trunking Encapsulation: dot1q
> Operational Trunking Encapsulation: dot1q
> Negotiation of Trunking: On
> Access Mode VLAN: 1 (default)
> Trunking Native Mode VLAN: 46 (VLAN_46)
> Administrative Native VLAN tagging: enabled
> Voice VLAN: none
>
>
> RSRack1SW2(config)#do sh vlan dot tag native
> dot1q native vlan tagging is disabled
> RSRack1SW2(config)#
>
>
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Received on Mon Jul 13 2009 - 14:26:35 ART

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