From: Alexei Monastyrnyi (alexeim73@gmail.com)
Date: Thu Jan 08 2009 - 07:06:54 ARST
Hi Champ.
The second option is more artificial and it also asks for narrowing down
allowed VLANs for trunking to the voice one.
It also ignores your portfast settings for the port if you had those
enabled.
Option 1 on the other hand is a smooth way to implicitly enable
acceptance of just voice VLAN tagged frames with all benefits
(operational and security-wise) of an access port.
HTH
A.
CiSco Champ wrote:
> Hi Group,
>
> If a pc is connected with phone and phone is then connected with a switch.
> We have two options to confgure on switch:
>
> Voice Vlan 10
> Data Vlan 20
>
> Option (1)
> sw mod acc
> sw acc vlan 20
> sw voice vlan 10
>
> Option (2)
> sw tru en dot1q
> sw mod tru
> sw voice vlan 10
> sw trunk native vlan 20
>
> Both method will work but my concern is what is benifit of one method over
> other and when to use one method and when other.
>
> Regards
>
>
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>
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