Juniper M Series Monitoring And Troubleshooting Manual page 608

M Series and T Series Routers Monitoring and Troubleshooting Guide
Action
564
This chapter provides an overview of how redundant host modules, host subsystems,
and Routing Engines work on various routing platforms. Additionally, it describes the
topics as listed in Table 135 on page
Table 135: Checklist for Host Redundancy
Monitor Redundant Routing Engine Tasks
"Routing Engine, Host Module, and Host Subsystem Redundancy Connections" on
page 570
"Determine Which Routing Engine You Are
Logged In To" on page 575
1. Determine Which Routing Engine You Are
Logged In To on page 575
2. Display the Router Hardware on page 576
Routing Engine Mastership
1. Determine the Routing Engine Mastership by
Checking Status on page 577
2. Determine Routing Engine Mastership by
Checking the LEDs on page 578
3. Log in To Backup Routing Engine If Graceful
Switchover is Configured on page 578
"Manually Configure Master and Backup
Routing Engines" on page 578
"Manually Switching Routing Engine
Mastership" on page 581
"Determining Why Mastership Switched" on
page 582
"Configuring the Backup Routing Engine to
Assume Mastership on Failure of Keepalives"
on page 585
"Avoid Redundancy Problems" on page 586
564.
Command or Action
show chassis routing-engine
show chassis hardware
show chassis routing-engine
Physically check the LEDs on either the
craft interface or the Routing Engine
(depending on which chassis the Routing
Engine is installed).
request routing-engine login
other-routing-engine
For slot 0:
[edit]
set chassis redundancy routing-engine 1
master
commit
For slot 1:
[edit]
set chassis redundancy routing-engine 0
backup
commit
request chassis routing-engine master
(acquire | release | switch)
show log mastership
show log mastership
set chassis redundancy keepalive-time
300
commit
Copyright © 2012, Juniper Networks, Inc.