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  • Support for new line card, LC2103-V2 in MX10003 routers —In Junos OS Release 21.3R1, we've introduced a new line card, LC2103-V2 (model number MX10K3-L2103B-BASE) for our MX10003 routers. Equipped with a new four-core CPU, the line card ensures better broadband gateway performance with increased cps values. [See Hardware Compatibility Tool.]
  • Support for QSFP-100G-LR and QSFP-100G-FR transceivers (MX10008 with the MX10K-LC2101 line card)—Starting in Junos OS Release 21.3R1, the MX10008 routers with the MX10K-LC2101 line card support the QSFP-100G-LR and QSFP-100G-FR transceivers.

    [See Hardware Compatibility Tool.]