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Interfaces

  • Support for performance monitoring and TCA (PTX10001-36MR)—The PTX10001-36MR router supports performance monitoring and threshold crossing alert (TCA) information for the QSFP56-DD 400GE ZR optical transceiver modules (shown in CLI outputs as QSFP56-DD-400GE-ZR). TCAs provide the management system an early indication of the deteriorating health of an optical network connection when a monitored performance parameter crosses a certain threshold. You can view the current and historical performance monitoring metrics which are accumulated into 15-minute and 1-day interval bins by using the show interfaces transport pmcommand for optical transport link management.

    [See show interfaces transport pm.]

  • Support for local loopback on 400G coherent ZR DWDM (PTX10001-36MR)— Starting in Junos OS Evolved Release 21.2R1, we support local loopback on 400G coherent ZR DWDM optics. To enable local loopback, use loopback local at the [edit interfaces optics-options] hierarchy level. We also support 75 grid spacing for the 400G ZR optics.

    [See optics-options, show interfaces, show interfaces diagnostics optics, and show chassis pic.]

  • Proxy ARP on IRB (PTX10004, PTX10008, PTX10001-36MR)—Starting in Junos OS Evolved release 21.2R1 you can configure Proxy ARP for an integrated routing and bridging (IRB) interface.

    [See Proxy ARP.]

  • IEEE 802.3ah Link Fault Management (LFM) (PTX10004, PTX10001-36MR)—Starting in Junos OS Evolved release 21.2R1 we support the IEEE 802.3ah LFM standard for Operation, Administration, and Maintenance (OAM) of Ethernet networks.

    [See Introduction to OAM Link Fault Management (LFM).]