Figure 16: M40e Routing Engine 333
M40e Routing Engine 333 LEDS
The
IDE
LED Indicates disk activity for the internal IDE interface. It does not necessarily
indicate routing-related activity.
NOTE:
The LEDs that report host module status (including Routing Engine
status) are on the craft interface rather than the Routing Engine faceplate.
M40e Routing Engine 600
The Routing Engine (shown in Figure 17 on page 31) is a two-board system with the
following components:
•
CPU—Runs Junos OS to maintain the router's routing tables and routing protocols.
•
DRAM—Provides storage for the routing and forwarding tables and for other Routing
Engine processes.
•
CompactFlash card—Provides primary storage for software images, configuration files,
and microcode. The drive is a fixed CompactFlash card and is inaccessible from outside
the router.
•
Hard disk—Provides secondary storage for log files, memory dumps, and rebooting the
system if the CompactFlash card fails.
•
PC Card slot—Accepts a removable PC Card, which stores software images for system
upgrades.
•
LED—Indicates disk activity for the internal IDE interface. It does not necessarily indicate
routing-related activity.
•
Interfaces for out-of-band management access—Provide information about
Routing Engine status to devices (console, laptop, or terminal server) that can be
attached to access ports located on the Connector Interface Panel (CIP).
29
Copyright © 2010, Juniper Networks, Inc.
Chapter 2: M40e Hardware Components
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