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  • Support for additional IEEE 802.1 TLVs (QFX5110 and QFX5120-48Y)—Starting in Junos OS Release 22.2R1, QFX5110 and QFX5120-48Y switches support the IEEE 802.1 TLVs listed below. The TLVs advertise information to peers, and the Link Layer Discovery Protocol (LLDP) neighbors use the TLVs to discover a device’s capabilities.

    • Enhanced transmission selection (ETS) configuration TLV—IEEE 802.1 subtype 9
    • ETS recommendation TLV—IEEE 802.1 subtype A
    • Priority-based flow control (PFC) configuration TLV—IEEE 802.1 subtype B

    [See show lldp neighbors and show dcbx neighbors.]