CHAPTER 20
Configuring Junos OS
•
Initially Configuring the ACX1000 or ACX1100 Router on page 103
Initially Configuring the ACX1000 or ACX1100 Router
The ACX1000 and ACX1100 routers ship with Junos OS preinstalled and ready to be
configured when the router is powered on. One 4-GB internal NAND Flash memory device
is divided into two partitions (da0s1 and da0s2). One partition is marked as the active
partition, and the other partition functions as an alternate partition. The NAND Flash
device acts as the hard drive. One USB port on the front panel accepts a USB storage
device (usb0) that can also function as an alternate boot device.
When the router boots, it first attempts to start the image on the USB Flash memory
device. If a USB Flash memory device is not inserted into the router or the attempt
otherwise fails, the router next tries the active partition on the NAND Flash device, and
then tries the alternate partition on the NAND Flash device.
You configure the router by issuing Junos OS command-line interface (CLI) commands,
either on a console device attached to the CONSOLE/AUX port on the front panel, or over
a telnet connection to a network connected to the Routing Engine MGMT port on the
front panel.
Gather the following information before configuring the router:
•
Name that the router will use on the network
•
Domain name that the router will use
•
IP address and prefix length information for the Ethernet interface
•
IP address of a default router
•
IP address of a DNS server
•
Password for the root user
103Copyright © 2017, Juniper Networks, Inc.
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