Figure 281: M10I Router Redundant Routing Engines And Hcms; Figure 282: M20 Router Redundant Routing Engines And Ssbs - Juniper M Series Monitoring And Troubleshooting Manual

M Series and T Series Routers Monitoring and Troubleshooting Guide
M10i Router Redundant Routing Engines and HCMs
Related
Documentation
M20 Router Redundant Routing Engines and SSBs

Figure 282: M20 Router Redundant Routing Engines and SSBs

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M320 Router, T320 Router, and T640 Router Redundant Host Subsystems on page 568
On the M10i router, the High-Availability Chassis Manager (HCM) works with its companion
Routing Engine to provide control and monitoring functions for router components. The
router can have one or two HCMs and Routing Engines.

Figure 281: M10i Router Redundant Routing Engines and HCMs

Redundancy Connection for an M10i Router on page 571
The M20 router can have one or two Routing Engines. The System and Switch Boards
(SSBs) communicate with the Routing Engines.
(SeeFigure 281 on page
(SeeFigure 282 on page 566.)
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566.)