Figure 13: M40E And M160 Router Host Module Location - Juniper M40E Hardware Manual

Figure 13: M40e and M160 Router Host Module Location

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NOTE: For information about configuring graceful Routing Engine switchover,
graceful restart, and nonstop active routing, see the Junos OS High Availability
Configuration Guide.
NOTE: The first supported release for graceful Routing Engine switchover
and nonstop active routing on the M40e router is Junos OS Release 5.7 and
Junos OS Release 8.4, respectively. However, for graceful Routing Engine
switchover we recommend Junos OS Release 7.0 or later. Graceful restart
software requirements are dependent on the routing protocols configured
on the router. For the minimum software requirements for graceful restart,
see the Junos OS High Availability Configuration Guide.
For host module replacement instructions, see "Replacing an MCS in an M40e Router"
on page 179 and "Replacing a Routing Engine in an M40e Router" on page 186.
On M40e and M160 routers, the host module consists of a paired Routing Engine and
MCS. One pair functions as master, while the other stands by as a backup should the
master Routing Engine fail. (See "Replacing an MCS in an M40e Router" on page 179 and
"Replacing a Routing Engine in an M40e Router" on page 186.)
Chapter 2: M40e Hardware Components
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