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| Sun Ethernet Fabric Operating System ### LLDP Administration Guide

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## Enable IEEE 802.1 Organizationally-Specific TLVs

This section describes how to configure IEEE 802.1 organizationally-specific TLVs for transmission when the transmission status is set to disabled by default.

- Port VLAN ID

- Port and protocol VLAN ID

- VLAN name

1. On both switches, configure VLAN name as `VLAN 1`.

       SEFOS# configure terminal
       SEFOS(config)# vlan 1
       SEFOS(config-vlan)# ports extreme-ethernet 0/1 name vlan1
       SEFOS(config-vlan)# end

2. On both switches, enable IEEE 802.1 organizationally-specific TLVs.

       SEFOS# configure terminal
       SEFOS(config)# interface extreme-ethernet 0/1
       SEFOS(config-if)# lldp tlv-select dot1tlv port-vlan-id protocol-vlan-id all vlan-name all
       SEFOS(config)# end

3. At switch 1, review the local system information.

       SEFOS# show lldp local extreme-ethernet 0/1
       Port Id SubType            : Interface Alias
       Port Id                : Ex0/1
       Port Description            : Ethernet Interface
       Enabled Tx Tlvs            : Port Vlan
       ...

   When the switch comes up, no protocol group is initially mapped to VLAN, so no entry is present in the VLAN module for the PPVID. A port and protocol VLAN entry is created in LLDP with the protocol VLAN ID value of 0, and the entry is transmitted after you enable PPVID TLV transmission.

4. Review information about the learned neighbors on a particular interface.

       SEFOS# show lldp neighbors extreme-ethernet 0/1 detail
       ...
       Extended 802.1 TLV Info
       -Port VLAN Id                : 1
       -Port & Protocol VLAN Id
       Protocol Vlan Id            Support        Status
       ----------------            -------        ------
       0                    Supported        Enabled
       -Vlan Name
       Vlan Id                Vlan Name
       -------                ---------
       1                    vlan1
       ------------------------------------------------------------
       Total Entries Displayed        : 1

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