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Enable voip on just ports with phones or every port?

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Our edge closets have stacks of EX4200 switches. These switches have printers, desktop computers, WiFi access points, security cameras, and HVAC equipment plugged into them. We have separate vlans/subnets to carry these different types of traffic.

 

We are installing a new IP phone system and will be using LLDP-MED to distinguish phone traffic from data traffic since phones will be daisy chained with either printers or desktop computers. I can enable voip on a port by port basis using these commands

set voip interface <interface> vlan <voice vlan>
set voip interface <interface> forwarding-class assured-forwarding

 

I could enable voip on all ports using these commands

set voip interface all vlan <voice vlan>
set voip interface all forwarding-class assured-forwarding

 

Two questions:

  1. It certainly would be easier to enable voip on all ports but will I run into issues on ports that have WiFi access points, security cameras, or HVAC equipment plugged in?
  2. If I should configure voip on a port by port basis, is there any way quick way to configure voip on a range of ports?

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