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

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## Enable LLDP Optional TLVs

This section describes how to configure basic optional TLVs for transmission when the transmission status is set to `Disabled` by default. The following optional TLVs are in LLDP:

- Port description

- System name

- System description

- System capabilities

To enable the LLDP optional TLVs, perform the following steps:

1. At both switches, enable basic optional TLVs.

       SEFOS# configure terminal
       SEFOS(config)# interface extreme-ethernet 0/1
       SEFOS(config-if)# lldp tlv-select basic-tlv port-descr sys-name-sys-descr sys-capab mgmt-addr all
       SEFOS(config)# end

2. 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 Description, System Name,
                           System Description, System Capability,                             Management Address
       ...

3. Review the local management address.

       SEFOS# show lldp local mgmt-addr
       Management Address            TxEnabledPorts
       ------------------            --------------
       12.0.0.1                Ex0/1

4. At switch 2, review the information about learned neighbors.

       SEFOS# show lldp neighbors ex 0/1 detail
       ...
       Port Description            : Ethernet Interface
       System Name                : name_of_system
       System Desc                : SNMPV2
       Local Intf                : Ex0/1
       Time Remaining            : 96 Seconds
       System Capabilities Supported    : B,R
       System Capabilities Enabled    : B,R
       Management Addresses        :
       IfId        SubType    Address            OID
       ----        -------    -------            ---
       1009        IPv4        12.0.0.1            1 3 6 1 2 1 2 2 1 1
       ...

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