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

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## Enable IEEE 802.3 Organizationally-Specific TLVs

This section describes how to configure IEEE 802.3 organizationally-specific TLVs for transmission when the transmission status is set to disabled by default. The following basic optional TLVs are in LLDP:

- Medium access control layer and the physical layer configuration and status

- Link aggregation

- Max frame size

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

   See Configure the LLDP Module Status.

2. Enable the IEEE 802.3 organizationally-specific TLVs on the `extreme-ethernet 0/1` interface.

       SEFOS# configure terminal
       SEFOS(config)# interface extreme-ethernet 0/1
       SEFOS(config-if)# lldp tlv-select dot3tlv macphy-config link-aggregation max-framesize
       SEFOS(config)# end

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

       SEFOS# show lldp local extreme-ethernet 0/1
       ...
       Enabled Tx Tlvs            : Mac Phy, Link Aggregation, Max Frame Size
       ...

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

       SEFOS# show lldp neighbors extreme-ethernet 0/1 detail
       ...
       Extended 802.3 TLV Info
       -MAC PHY Configuration & Status
       Auto-Neg Support & Status        : Supported, Disabled
       Advertised Capability Bits        : 0000
       -Link Aggregation
       Capability & Status            : Not Capable, Not In Aggregation
       Aggregated Port Id            : 1
       -Maximum Frame Size            : 9216
       ...

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