Juniper PTX Series - Routing Engine Boot Sequence; Figure 25: C2600 Routing Engine

Figure 25: C2600 Routing Engine
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1 2 4 6 7 853
5—1— USB LEDExtractor clips
6—2— Offline buttonSSD and CompactFlash card slot cover
7—3— Online LEDLEDs
8—4— Reset buttonUSB port
The faceplate of the Routing Engine contains the following:
•
USB port USB—Provides a removable media interface through which you can install
the Junos OS manually. The Junos OS supports USB versions 2.0 and 1.1.
•
CompactFlash card slot CF—Provides primary storage for software images,
configuration files, and microcode.
•
Two solid-state disk slots SSD1 or Disk 1 and SSD2 or Disk 2—Provide secondary storage
for log files, memory dumps, and rebooting the system if the CompactFlash card fails.
NOTE: SSD2 or Disk 2 is not currently supported.
•
Reset button—Reboots the Routing Engine when pressed.
•
Offline button—Takes the Routing Engine offline when pressed.
•
Extractor clips—Control the locking system that secures the Routing Engine.
•
LEDs—“PTX5000 Routing Engine LEDs” on page 47 describes the functions of these
LEDs.
NOTE: For specific information about Routing Engine components (for
example, the amount of DRAM), issue the show chassis routing-engine
command.
Routing Engine Boot Sequence
The Routing Engine boots from the storage media in this order: the USB device (if present),
the CompactFlash card CF (if present), the disk (if present) in slot 1 SSD1, the disk (if
present) in slot 2 SSD2, then the LAN.
NOTE: SSD2 is not currently supported.
Copyright © 2012, Juniper Networks, Inc.46
PTX5000 Packet Transport Switch Hardware Guide