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Setting up LLDP-MED properly

Setting up LLDP-MED properly

(OP)
I am having a problem getting Shoretel phones to go into the voice vlan when connected to a Juniper switch. Switches are on current code and the Shoretel system is on 14.1. When the phone boots it appears to work since it pulls an IP from the voice vlan, but then it displays "Reconfiguring network", reboots and puts itself into the native vlan on the switch port. I have verified that the only DHCP option enabled is 156 and all it pushes is the FTP server IP. Not sure what I am missing and I don't have a lot of stick time setting up LLDP-MED, especially in Junos.

I can see the phone if I do a show LLDP neighbor. I used these commands to setup the ports.

4.Configure VoIP on the interface and specify the assured-forwarding forwarding class to provide the most dependable class of service:


[edit ethernet—switching—options]
user@switch# set voip interface ge-0/0/2.0 vlan voice-vlan
user@switch# set voip interface ge-0/0/2.0 forwarding-class assured-forwarding


5.Configure LLDP-MED protocol support:


[edit protocols]
user@switch# set lldp-med interface ge-0/0/2.0

RE: Setting up LLDP-MED properly

What make and model of Juniper switch do you have?

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RE: Setting up LLDP-MED properly

(OP)
It's a 4200 series. So far I have found that if I disable DHCP option 156 and enable 66 instead I can get it to work. Shoretel was not able to tell me why option 156 and LLDP do not play well together.

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