Routing Engine Srx5K-Re-13-20 Specifications - Juniper SRX5400 Hardware Manual

53
Figure 24: SRX5K-RE-13-20 Routing Engine
SRX5400,
For detailed information about the Routing Engines supported by the firewall, see the
SRX5600, and SRX5800 Firewall Card Reference
at www.juniper.net/documentation/.

Routing Engine SRX5K-RE-13-20 Specifications

The SRX5K-RE-13-20 Routing Engine (Figure 25 on page 53) is an Intel-based PC platform that runs
the Junos operating system (Junos OS). Software processes that run on the Routing Engine maintain the
routing tables, manage the routing protocols used on the device, control the device interfaces, control
some chassis components, and provide the interface for system management and user access to the
device.
Figure 25: Routing Engine
You must install at least one Routing Engine in the firewall. You can install a second Routing Engine if
both Routing Engines are running Junos OS Release 10.0 or later. A second Routing Engine is required if
you are using the dual chassis cluster control link feature available in Junos OS Release 10.0 and later.
The second Routing Engine does not perform all the functions of a Routing Engine and does not improve
resiliency or redundancy. The second Routing Engine and the Switch Control Board (SCB) in which it is
installed do not constitute a host subsystem. The only function of the second Routing Engine is to