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40-Gigabit Ethernet MIC with QSFP+

Figure 1: 40-Gigabit Ethernet MIC with QSFP+40-Gigabit Ethernet MIC with QSFP+

Software release

  • 12.2 and later

For information on which MPCs support this MIC, see MIC/MPC Compatibility. For information on which MICs are supported on MX Series routers, see MICs Supported by MX Series Routers.


  • Two 40-Gigabit Ethernet ports

  • Power requirement: 0.38 A @ 48 V (18 W)

  • Weight: 1.19 lb (0.54 kg)

  • Model number: MIC3-3D-2X40GE-QSFPP

Hardware features

  • High-performance throughput on each port at speeds up to 40 Gbps

  • Up to 40-Gbps of full-duplex traffic

  • Maximum transmission units (MTUs) of up to 9192 bytes

Software features

  • Synchronous Ethernet support

  • Optical diagnostics and related alarms

  • Virtual Router Redundancy Protocol (VRRP) support

  • IEEE 802.1Q virtual LANs (VLANs) support

  • Remote monitoring (RMON) EtherStats

  • Source MAC learning

  • MAC accounting and policing—Dynamic local address learning of source MAC addresses

  • Flexible Ethernet encapsulation

  • Multiple tag protocol identifiers (TPID)

Cables and connectors


You can use the Hardware Compatibility Tool to find information about the pluggable transceivers supported on your Juniper Networks device.

The list of supported transceivers for the MX Series is located at;=All&pf;=MX+Series.


OK/FAIL LED, one bicolor:

  • Green—MIC is functioning normally.

  • Red—MIC has failed.

LINK LED, one green per port:

  • Off—No link.

  • On steadily—Link is up with or without activity.

  • Yellow—Link is disabled.

The ports are labeled:

  • PORT [0] - PORT [1]