Initially Configuring The Router; Initially Configuring The Mx2020 Router - Juniper MX2020 Hardware Manual

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Initially Configuring the Router

Initially Configuring the MX2020 Router on page 287

The MX2020 router is shipped with the Junos OS preinstalled and ready to be configured

when the MX2020 router is powered on. There are three copies of the software: one on

a CompactFlash card in the CB-RE, one on a solid state drive (SSD) in the CB-RE, and

one on a USB flash drive that can be inserted into the slot in the CB-RE faceplate (see

Figure 144 on page

The SSD is internal in the CB-RE and cannot be removed.

When the router boots, it first attempts to start the image on the USB flash drive. If a

USB flash drive is not inserted into the CB-RE or the attempt otherwise fails, the router

next tries the CompactFlash card, and then the SSD.

You configure the router by issuing Junos OS command-line interface (CLI) commands,

either on a console device attached to the

a telnet connection to a network connected to the

port on the Routing Engine, or over

port on the Routing Engine.