Juniper MX480 - MX480 MIC Port and Interface Numbering

MICs receive incoming packets from the network and transmit outgoing packets to the
network. During this process, each MIC performs framing and high-speed signaling for
its media type. Before transmitting outgoing data packets through the MIC interfaces,
the MPCs encapsulate the packets received.
MICs are hot-removable and hot-insertable. You can install up to two MICs in the slots
in each MPC.
See Also MICs Supported by MX Series Routers on page 80•
• MX480 Modular Interface Card (MIC) LEDs on page 80
• Maintaining MX480 MICs on page 430
• Troubleshooting the MX480 MICs on page 446
• Replacing an MX480 MIC on page 337
MX480 MIC Port and Interface Numbering
Each port on a MIC corresponds to a unique interface name in the CLI.
NOTE: Fixed configuration MPCs, that is, MPCs with built-in MICs follow the
port numbering of DPCs.
In the syntax of an interface name, a hyphen (-) separates the media type from the MPC
number (represented as an FPC in the CLI). The MPC slot number corresponds to the
first number in the interface. The second number in the interface corresponds to the
logical PIC number. The last number in the interface matches the port number on the
MIC. Slashes(/) separatethe MPC number from the logical PIC number and port number:
type-fpc/pic/port
•
type—Media type, which identifies the network device. For example:
•
ge—Gigabit Ethernet interface
•
so—SONET/SDH interface
•
xe—10-Gigabit Ethernet interface
For a complete list of media types, see Interface Naming Overview.
•
fpc—Slot in which the MPC is installed. On the MX480 router, the MPCs are represented
in the CLI as FPC 0 through FPC 5.
•
pic—Logical PIC on the MIC, numbered 0 or 1 when installed in slot 0, and 2 or 3 when
installed in slot 1. The number of logical PICs varies depending on the type of MIC. For
example, a:
•
20-port Gigabit Ethernet MIC has two logical PICs, numbered 0 and 1 when installed
in slot 0, or 2 and 3 when installed in slot 1.
77Copyright © 2017, Juniper Networks, Inc.
Chapter 6: Line Card Components and Descriptions