
System Overview
Figure 9: Airflow Through the J4350 and J6350 Chassis
Front
g003840
Rear
Software Overv iew
Each J-series Services Router runs the JUNOS Internet software on its
genera
l-purpose processors. Designed for the large production networks typically
supported by Internet service providers (ISPs), the JUNOS software includes
processes for Internet Protocol (IP) routing and for managing interfaces, n etworks,
and th
e router chassis.
The JU
NOS Internet software runs on the Routing Engine. The Routing Engine
kernel coordinates communication among the JUNOS software processes and
provides a link to the Packet Forwarding Engine.
With the J-Web interface and the command-line interface (CLI) to the JUNOS
softw
are, you configure the routing protocols that run on the Services Router and set
the properties of its network interfaces. After ac tivating a sof tware con figuration,
use either user interface to monitor the protocol traffic passing through the router,
mana
ge operations, and diagnose protocol and network connectivity problems.
This
section contains the following topics:
Software Overview 23
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