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Hierarchy Level

Release Information

Statement introduced in Junos OS Release 15.1 for EX Series switches.


Configure the switch to advertise information about the medium attachment unit (MAU) type. The MAU is a transceiver that interconnects the attachment unit interface (AUI) port on an attached host computer to an Ethernet cable. MAU types are defined in the IEEE 802.3 standard.

The MAU type is included in the MAC/PHY Configuration Status type, length, and value (TLV) message. TLVs are used by LLDP-capable devices to transmit information to neighbor devices. The MAC/PHY Configuration Status TLV is an organizationally defined TLV that advertises information about the physical interface. In addition to the MAU type, the MAC/PHY Configuration Status TLV also includes information such as autonegotiation status, support and advertised capabilities.

The MAU type cannot be changed by configuration; however, you must configure the mau-type statement to include the MAU type value in the MAC/PHY Configuration Status TLV.


If the mau-type statement is not configured, the MAU type field of the MAC/PHY Configuration Status TLV contains the value Unknown.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.