If you have not already done so, power off the device by
pressing the Power button on the front panel of the Switch Fabric
Board (SFB) for three to five seconds.
The PWR LED blinks to show you that the device is shutting
down. Wait for the device to shut down before proceeding.
Disconnect any cables connected to the AUX or USB ports.
Loosen the captive screws at each end of the Routing
Pull open the ejector handles to unseat the Routing
Grasp the Routing Engine by the ejector handles
and slide it halfway out of the chassis.
Figure 50: Removing an RE
Place one hand underneath the Routing Engine to
support it and slide it completely out of the chassis.
Place the Routing Engine on the antistatic mat.
Carefully align the sides of the replacement Routing
Engine with the guides inside the chassis.
Slide the Routing Engine into the slot until you
feel resistance, and then press the Routing Engine's faceplate until
it engages the connectors.
Press both of the ejector handles inward to seat
the Routing Engine.
Tighten the captive screws on the left and right of
the Routing Engine.
Figure 51: Installing an RE
Reconnect cables previously attached to the AUX or USB ports.
Power on the Services Gateway by pressing the Power
button on the front panel of the SFB for three to five seconds. Wait
for the device to start. The OK/FAIL LED on the Routing Engine
faceplate should blink green, then light steadily.
The RE may require several minutes to boot. If after this
time the OK/FAIL LED is red, remove and reinstall the Routing
Engine. If the OK/FAIL LED remains red, the Routing Engine
is not functioning properly. Contact your customer support representative.
To check the status of the Routing Engine:
user@host> show chassis routing-engine
Routing Engine status:
Current state Master
Election priority Master (default)
DRAM 1016 MB
Memory utilization 39 percent
User 0 percent
Background 0 percent
Kernel 3 percent
Interrupt 0 percent
Idle 97 percent
Start time 2008-11-03 10:25:37 PST
Uptime 1 day, 2 hours, 33 minutes, 6 seconds
Last reboot reason 0x1:power cycle/failure
Load averages: 1 minute 5 minute 15 minute
0.02 0.04 0.00
For more information about using the CLI, see the JUNOS Software