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9.4

Setting up VLANs for VoIP with a Netgear GS748T and Cisco IP Phones

Asked by jmoser220 in Voice Over IP

Tags: netgear, vlan, gs748t

I have a Netgear GS748T and I am trying to set it up for VLANs to work with Cisco IP phones and my existing separate data provider before my VoIP provider comes to configure thier VoIP gateway and phones.

My enviroment is setup as follows:
- Business Cable modem to use for data traffic only
- Netgear Firewall used as a Gateway for the Cable modem
- Windows 2003 Server for DHCP and DNS
- Business DSL line for voice traffic (VoIP provider)
- Firewall / Gateway for VoIP (VoIP provider)
- Netgear GS748T Managed Switch

My VoIP provider has asked the VLAN 1 be used for data and VLAN 2 for voice.  The Cisco IP Phones will be tagged for VLAN 2.

My question is how do I setup the Netgear GS748T switch?  I know that I must have two 802.1Q VLANs, and that the uplink port for Cable must not be a member of the same VLAN as the uplink port for Voice and vice versa.  I am also assuming that the PVID of the uplink port for Voice should be set to 2 (with all others set to the default of 1).  Is this correct?  If so, I guess I need to know how the ports should be tagged (or untagged).  Do I tag all ports even if they do not have a phone on them?  Should I only tag the ports that have phones?  And how do the two uplinks work, do I tag both of those ports or just the one for voice traffic?

Thanks,
Jeff
 
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Zone: Voice Over IP
Tags: netgear, vlan, gs748t
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Solution Provided By: grblades
Participating Experts: 2
Solution Grade: A
 
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