Figure 11: M320 Router
The M320 router includes Switch Interface Boards (SIBs) that provide the switching
function to the destination Flexible PIC Concentrator (FPC) at a total of 385 million
packets per second (Mpps) of forwarding. The host subsystem, which consists of the
Routing Engine and Control Board, provides the routing and system management functions
of the router.
The router supports up to eight FPCs providing SONET/SDH OC-48/STM16, SONET/SDH
OC192/STM64, and 160-Gigabit Ethernet media. The router supports three types of FPCs:
FPC1 for hot-swappable M40e PICs, FPC2 for hot-swappable M160 PICs, and FPC3 for
10-Gbps T Series PICs. For more information about supported PICs, see the M320
Multiservice Edge Router PIC Guide.
The M320 router provides a maximum aggregate throughput of 320 gigabits per second
(GBps) full duplex. The Junos operating system (OS) runs on a control subsystem with
dedicated hardware, ensuring that control functions are performed without affecting the
forwarding subsystem. Forwarding and packet processing operations in the router are
performed by dedicated programmable ASICs that enable the router to achieve data
forwarding rates the match current fiber-optic capacity.
Related
Documentation
M320 Router Major Hardware Components on page 24•
M320 Router Major Hardware Components
Table 11 on page 25 lists the M320 router major components and characteristics.
Copyright © 2012, Juniper Networks, Inc.24
M Series and T Series Routers Monitoring and Troubleshooting Guide
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