Juniper DPCE-R-40GE-SFP ユーザーズマニュアル
MX Series MPCs
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MX Series MPC Overview
Modular Port Concentrators (MPCs) provide packet forwarding services. The MPCs are
inserted into a slot in an MX240, MX480, or MX960 router. Modular Interface Cards
(MICs) provide the physical interfaces and install into the MPCs. You can install up to
two MICs of different media types in the same MPC as long as the MPC supports those
MICs.
inserted into a slot in an MX240, MX480, or MX960 router. Modular Interface Cards
(MICs) provide the physical interfaces and install into the MPCs. You can install up to
two MICs of different media types in the same MPC as long as the MPC supports those
MICs.
A specialized fixed configuration MPC provides higher port density over MICs and combines
packet forwarding and Ethernet interfaces onto a single line card. The fixed configuration
MPC is inserted into a slot in a router and contains no slots for MICs.
packet forwarding and Ethernet interfaces onto a single line card. The fixed configuration
MPC is inserted into a slot in a router and contains no slots for MICs.
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. Each MPC is equipped with up to four Junos
Trio chipsets, which perform control functions tailored to the MPC’s media type.
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. Each MPC is equipped with up to four Junos
Trio chipsets, which perform control functions tailored to the MPC’s media type.
You must install a high-capacity fan tray to use an MPC. The maximum number of
supported MPCs varies per router and hardware configuration:
supported MPCs varies per router and hardware configuration:
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MX960 router—Up to 12 MPCs (For power requirements, see Calculating Power
Requirements for MX960 Routers.)
Requirements for MX960 Routers.)
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MX480 router—Up to 6 MPCs (For power requirements, seeCalculating Power
Requirements for MX480 Routers.)
Requirements for MX480 Routers.)
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Copyright © 2013, Juniper Networks, Inc.
MX Series MPCs