Figure 285: M320 Router, T320 Router, T640, And T1600 Router Redundant; Tx Matrix And Tx Matrix Plus Redundant Host Subsystems - Juniper M Series Monitoring And Troubleshooting Manual

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Figure 285: M320 Router, T320 Router, T640, and T1600 Router Redundant Host Subsystems

M320 router rear

T640 routing node rear

Documentation

Control Boards

Routing Engines

Control Boards

Control Board

Routing Engines

Control Board

Redundancy Connection for an M320 Router on page 574

Redundancy Connection for a T320 Router and T640 Router on page 574

On the TX Matrix and TX Matrix Plus router, the host subsystem consists of a Routing

Engine and Control Board functioning as a unit. If two host subsystems are installed, one

functions as the master and the other functions as the backup. If the master host

subsystem (or either of its components) fails, the backup can take over as the master.

Figure 286 on page

If the Routing Engines are configured for graceful switchover, the backup Routing Engine

automatically synchronizes its configuration and state with the master Routing Engine.

Chapter 28: Host Redundancy Overview

T320 router rear