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## Disable IEEE 802.1 Organizationally-Specific TLVs

1. At both switches, configure the LLDP module status as enabled.

   See Configure the LLDP Module Status.

2. At both switches, configure VLAN name as `vlan 1`.

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

3. At both switches, enable all of the TLVs by executing the instructions in the following sections.

   - See Enable LLDP Optional TLVs.

   - See Enable IEEE 802.1 Organizationally-Specific TLVs.

   - See Enable IEEE 802.3 Organizationally-Specific TLVs.

4. At both switches, disable the IEEE 802.1 organizationally-specific TLVs.

       SEFOS# configure terminal
       SEFOS(config)# interface extreme-ethernet 0/1
       SEFOS(config-if)# no lldp tlv-select dot1tlv port-vlan-id protocol-vlan-id all vlan-name all
       SEFOS(config)# end

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

       SEFOS# show lldp local extreme-ethernet 0/1
       ...
       Enabled Tx Tlvs            : Port Description, System Name,
                           System Description, System Capability,
                           Management Address, Mac Phy, Link Aggregation,
                           Max Frame Size
       ...
       Extended 802.1 TLV Info
       -Port VLAN Id                : 1
       -Port & Protocol VLAN Id
       Protocol VLAN Id        Support    Protocol VLAN Status    TxStatus
       ----------------        -------    --------------------    --------
       0                Supported    Enabled            Disabled
       -Vlan Name
       Vlan Id            Vlan Name                    TxStatus
       -------            ---------                    --------
       1                vlan1                        Disabled
       --------------------------------------------------------------------

   Enabled Tx TLVs do not display any IEEE 802.1 organizationally-specific TLVs. In addition, PPVIDs and VLAN name TLVs are disabled because IEEE 802.1 organizationally-specific TLVs are disabled.

6. At switch 2, review the information about the learned neighbors on the interface.

       SEFOS# show lldp neighbors extreme-ethernet 0/1 detail
       ...
       Extended 802.1 TLV Info
       -Port VLAN Tlv            : Not Advertised
       -Port & Protocol VLAN Id
       Protocol Vlan Tlv            : Not Advertised
       -Vlan Name
       Vlan Name Tlv                : Not Advertised
       ------------------------------------------------------------
       Total Entries Displayed    : 1

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