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

[Wojciech Tryc]

Your pc has to able to support tagged vlans. The switch on the phone will 
pass through both tagged and untagged vlans.
W
----- Original Message ----- 
From: "Joao Pereira" <joao.pereira at fccn.pt>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Thursday, March 02, 2006 11:51 AM
Subject: Re: [Asterisk-Users] OT - Cisco IP Phone and PC in diferent 
VLANs(with 802.1x)


> And about the 802.1x ?
> The phones can work as passthrough and force the PC to use 802.1x ?
> What configuration do we put in the switches? Do we put the switch as 
> "access" (with 802.1x) or "trunk" (without 802.1x) ?
>
> Thanks
> Joao Pereira
>
>
>
> Greg Oliver wrote:
>
>>It actually depends on the switch model.  Some put the port into
>>trunking mode automatically with the sw voi command, and some do not.
>>
>>Hopefully one day Cisco will finally make their own products and become
>>uniform instead of buying several companies and glue'ing them all
>>together to get an ethernet switch that works.  At least they got the
>>routers right :)
>>
>>On Thu, 2006-03-02 at 08:13 -0800, Gary Richardson wrote:
>>
>>>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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