You don't need switchport mode trunk when using switchport voice vlan.. <br><br><div><span class="gmail_quote">On 3/1/06, <b class="gmail_sendername">Nicholas Kathmann</b> <<a href="mailto:nicholas.kathmann@kathmannconsulting.com">
nicholas.kathmann@kathmannconsulting.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Joao Pereira wrote:<br>> Hello to all
<br>> I would like to know If some of you have already configured an Cisco<br>> IP Phone (7940 or 7960) to work in a different VLAN than the PC that<br>> is connected through the phone switch?<br>> I know that this can be done with the Skinny firmware, but I dont if
<br>> it works with the SIP firmware.<br>><br>> The Cisco technical staff told me that these phones dont support<br>> 802.1x but can work as pass-through. This way I can still use the PCs<br>> with 802.1x and the phones in the same Ethernet plug.
<br>><br>> Did someone made it with the Cisco IP phones? What configuration do I<br>> need in the phones and in the switch?<br>> Thanks<br>> Joao Pereira<br>><br>If configuring with Cisco switches, I'm pretty sure they pull the
<br>information for which VLAN to operate in from the switch. You have to<br>configure the switchports on the Cisco switch like so:<br><br>interface fastethernet 0/1<br> switchport trunk native vlan <your data vlan>
<br> switchport mode trunk<br> switchport voice vlan <your voice vlan><br> spanning-tree portfast trunk<br><br>etc.<br><br>Thanks,<br>Nicholas Kathmann, CISSP<br>Kathmann Consulting, LLC<br><br>_______________________________________________
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