[Asterisk-Users] OT - Cisco IP Phone and PC in diferent VLANs (with 802.1x)

[Gary Richardson]

You don't need switchport mode trunk when using switchport voice vlan..

On 3/1/06, Nicholas Kathmann <nicholas.kathmann at kathmannconsulting.com>
wrote:
>
> Joao Pereira wrote:
> > Hello to all
> > I would like to know If some of you have already configured an Cisco
> > IP Phone (7940 or 7960) to work in a different VLAN than the PC that
> > is connected through the phone switch?
> > I know that this can be done with the Skinny firmware, but I dont if
> > it works with the SIP firmware.
> >
> > The Cisco technical staff told me that these phones dont support
> > 802.1x but can work as pass-through. This way I can still use the PCs
> > with 802.1x and the phones in the same Ethernet plug.
> >
> > Did someone made it with the Cisco IP phones? What configuration do I
> > need in the phones and in the switch?
> > Thanks
> > Joao Pereira
> >
> If configuring with Cisco switches, I'm pretty sure they pull the
> information for which VLAN to operate in from the switch.  You have to
> configure the switchports on the Cisco switch like so:
>
> interface fastethernet 0/1
>    switchport trunk native vlan <your data vlan>
>    switchport mode trunk
>    switchport voice vlan <your voice vlan>
>    spanning-tree portfast trunk
>
> etc.
>
> Thanks,
> Nicholas Kathmann, CISSP
> Kathmann Consulting, LLC
>
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