# Enabling or disabling Avaya TLV transmit flags

Use this procedure to enable or disable the transmission of optional proprietary Avaya TLVs from switch ports to Avaya IP phones.

## Procedure steps

1. From the navigation pane, double-click Edit.

2. In the Edit tree, click Diagnostics.

3. In the Diagnostics work area, click 802.1AB .

4. In the 802.1AB tree, click Avaya.

5. In the work area, click the Port Config tab.

6. To select a port, click the PortNum.

7. In the port row, double-click the cell in the TLVsTxEnable column.

8. Select a checkbox to enable a TLV.

   OR

   Clear a checkbox to disable a TLV.

9. Click Ok.

10. On the toolbar, click Apply.

## Variable definitions

Variable | Value
--- | ---
poeConservationLevel | Enables or disables the TLV for requesting a specific power conservation level for an Avaya IP phone connected to the switch port.
| Important
| Only Ethernet ports on switches that support PoE can request a specific power conservation level for an Avaya IP phone.
callServer | Enables or disables the TLV for advertising call server IPv4 addresses to an Avaya IP phone connected to the switch port.
fileServer | Enables or disables the TLV for advertising file server IPv4 addresses to an Avaya IP phone connected to the switch port.
framingTlv | Enables or disables the frame tagging TLV for exchanging Layer 2 priority tagging information between the switch and an Avaya IP phone.