Replacing An M320 Routing Engine; Removing An M320 Routing Engine - Juniper M320 Hardware Manual

M320 Multiservice Edge Router Hardware Guide
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Replacing an M320 Routing Engine

Removing an M320 Routing Engine

216
For more information about the command, see the
NOTE: The SIB might continue forwarding traffic for approximately five
minutes after the
On the console or other management device connected to the other Routing Engine,
4.
enter CLI operational mode and issue the following command.
user@host>> request chassis cb offline slot n , where n is 0 or 1 for the slot number
of the affected host subsystem.
Verify that the control board is offline:
5.
user@host> show chassis environment cb
M320 Host Subsystem Description on page 23
Maintaining the M320 Host Subsystem on page 269
M320 Chassis Description on page 7
Removing an M320 Routing Engine on page 216
1.
Installing an M320 Routing Engine on page 217
2.
The router can have one or two Routing Engines. They are located in the upper rear of
the chassis in the slots marked
2.4 lb (1.1 kg).
CAUTION: Before you replace a Routing Engine, you must take the host
subsystem offline. If there is only one host subsystem, taking the host
subsystem offline shuts down the router. See
Subsystem Offline" on page
To remove a Routing Engine (see
Take the host subsystem offline as described in
1.
Offline" on page 213.
Place an electrostatic bag or antistatic mat on a flat, stable surface.
2.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
3.
the strap to one of the ESD points on the chassis.
If applicable, loosen the screws on the extractor handles at either end of the Routing
4.
Engine faceplate, using a Phillips screwdriver.
Press the red tabs on the ejector handles on both sides of the Routing Engine faceplate.
5.
Flip the ejector handles outward to unseat the Routing Engine.
6.
CLI Explorer
request system halt command has been issued.
RE0 and RE1 . Each Routing Engine weighs approximately
213.
Figure 85 on page 217):
"Taking the M320 Host Subsystem
Copyright © 2015, Juniper Networks, Inc.
.
"Taking the M320 Host