Displaying Redundant Hcm Hardware Information; Displaying Hcm Status And Mastership; Check The Hcm Leds - Juniper JUNOS - NETWORK OPERATION GUIDE REV1 Network Operation Manual

Displaying Redundant HCM Hardware Information

To display the redundant HCM hardware information, use the following JUNOS
Action
software command-line interface (CLI) command:
Sample Output
user@host> show chassis hardware
Hardware inventory:
Item
Chassis
Midplane
Power Supply 0
Power Supply 1
HCM slot 0
HCM slot 1
Routing Engine 0 REV 09
Routing Engine 1 REV 09
The command output shows that on this M10i router, two HCMs are installed in
What it Means
slots 0 ( HCM0 ) and 1 ( HCM1 ) along with their companion Routing Engines. By
default, the HCM in the slot labeled HCM0 is the master.

Displaying HCM Status and Mastership

By default, the HCM in the slot labeled HCM0 is the master.
To display the redundant HCM status and mastership, follow these steps:
Steps To Take
1. Check the HCM LEDs on page 625
2. Check the HCM Environmental Status on page 626
Step 1: Check the HCM LEDs
To see which HCM is functioning as master, look at the LEDs on the HCM faceplate.
Action
On the HCM faceplate, two LEDs indicate HCM status—a green PWR LED and a blue
MSTR
Table 132: HCM LEDs
user@host> show chassis hardware
Version
REV 04
Rev 05
Rev 05
REV 01
REV 01
LED. Table 132 describes the LED states.
Label Color
Green
PWR
MSTR Blue
Part number Serial number
31875
710-008920 CE1044
740-008537 QE16425
740-008537 QE16644
710-010580 CC7625
710-010580 CC7629
740-009459 1000513670
740-009459 1000513630
State Description
On steadily HCM is functioning normally.
Blinking HCM is starting up.
On steadily HCM is master.
Displaying Redundant HCM Hardware Information
Chapter 48: Monitoring Redundant HCMs
Description
M10i
M10i Midplane
AC Power Supply
AC Power Supply
M10i HCM
M10i HCM
RE-5.0
RE-5.0
!
625