11-30-2007 08:59 AM - edited 03-05-2019 07:44 PM
I have a 3524 setup for VLANs. One port is configured for a client VLAN which the cable plugs into a PoE module for a VoIP phone on the other end. The client PC is daisy chained of off the VoIP phone.
What configuration do I add to the switchport to allow the VoIP phone to connect to the network?
it is currently:
switchport mode access
switchport access Vlan 'client vlan #'
THe Voip phones have their own VLAN on the switch.
Thanks in advance.
E
11-30-2007 10:40 AM
Two options (and it depends on the VoIP manufacturer).
The Cisco VoIP procedure:
switchport mode access
switchport access vlan [client vlan]
switchport voice vlan [VoIP vlan]
Avaya:
switchport mode trunk
switchport trunk encapsulation dot1q
switchport trunk native vlan [client vlan]
Based on previous conversation with another forum member, it seems Avaya and other VoIP manufacturers are using option 1.
Try it option 1 first, if it doesn't work, try option 2. Keep in mind, you need to configure your DHCP and TFTP accordingly. Read the VoIP deployment guideline from the phone manufacturer.
11-30-2007 11:43 AM
Ok, i will try that.
If the phone has a static IP, will DHCP need to be configured.
Currently, the phones are setup on a flat net, static IPs that connect back to the Call Processor.
11-30-2007 02:52 PM
The DHCP supplies an option string to the phone that contain useful information such as its native vlan, dscp/cos values (qos), among other things.
You need to investigate with the phone manufacturer.
11-30-2007 12:41 PM
I was under the impression that with Cisco gear, all you have to do is:
switchport access vlan (vlan)
switchport voice vlan (vlan)
This is how we have it set up when I've seen Cisco VoIP phones in use.
[edit]Although specifying the mode seems to be the Cisco recommendation. . .weird.
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