Replacing A Ptx5000 Control Board; Taking The Ptx5000 Host Subsystem Offline; Figure 255: Installing An Ssd Drive In A Re-Ptx-X8-64G - Juniper PTX5000 Hardware Manual

Replacing a PTX5000 Control Board

Taking the PTX5000 Host Subsystem Offline

Copyright © 2017, Juniper Networks, Inc.

Figure 255: Installing an SSD Drive in a RE-PTX-X8-64G

1— Carrier
Taking the PTX5000 Host Subsystem Offline on page 401
1.
Removing a PTX5000 Control Board on page 402
2.
Installing a PTX5000 Control Board on page 404
3.
Before you replace a Control Board, you must take the host subsystem offline. The host
subsystem is taken offline and brought online as a unit. Be aware of the effect of taking
a host subsystem offline on traffic, forwarding, and routing. See
Effect of Taking the PTX5000 Host Subsystem Offline" on page
To take a host subsystem offline:
Determine whether the host subsystem is functioning as the master or as the backup,
1.
using one of the two following methods:
If the green MASTER
subsystem is functioning as the master.
Issue the
show chassis routing-engine
designated Master in the
user@host> show chassis routing-engine
user@host> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state
Election priority
...
If the host subsystem is functioning as the master, switch it to backup using the CLI
2.
command:
user@host> request chassis routing-engine master switch
warning: Traffic will be interrupted while the PFE is re-initialized
Toggle mastership between Routing Engines ? [yes,no] (no) yes
Chapter 29: Removing and Installing Host Subsystem Components
2— SSD drive
LED on the Routing Engine is lit, the corresponding host
command. The master Routing Engine is
Current state field.
Master
Master (default)
"Understanding the
383.
401