Juniper ERX-310 User manual

About This Guide
This E-Series Installation and User Guide provides the information you
need to install and start the E-series router.
Note: If the information in the latest E-series Release Notes differs from the
information in this guide, follow the E-series Release Notes.
The E-series router is shipped with the latest system software installed. If
you need to install a future release or reinstall the system software, refer
to the procedures in Appendix B, Installing JUNOSe Software.
E-Series Routers
Five models of E-series routers are available:
•ERX-1440 router
•ERX-1410 router
•ERX-710 router
•ERX-705 router
•ERX-310 router
All models use the same software. For information about the differences
between the models, see Chapter 1, E-Series Overview.
In the E-series documentation, the term ERX-14xx models refers to both
the ERX-1440 router and the ERX-1410 router. Similarly, the term
ERX-7xx models refers to both the ERX-710 router and the ERX-705
router. The terms ERX-1440 router, ERX-1410 router, ERX-710 router,
ERX-705 router, and ERX-310 router refer to the specific models.

About This Guide
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Audience
This guide is intended for experienced system and network specialists
working with E-series routers in an Internet access environment.
Conventions
Table 1 defines notice icons used in this guide, and Table 2 defines text
conventions used throughout the book, except for command syntax.
Table 3 provides command syntax conventions used primarily in the
E-Series Command Reference Guide. For more information about
command syntax, see E-Series System Basics Configuration Guide,
Chapter 1, Planning Your Network.
Table 1 Notice icons
Icon Meaning Description
Informational note Indicates important features or instructions.
Caution Indicates that you may risk losing data or damaging your hardware.
Warning Alerts you to the risk of personal injury.
Table 2 Text conventions (except for command syntax)
Convention Description Examples
Bold typeface Represents commands and
keywords in text. • Command example: Issue the clock source command.
• Keyword example:
Specify the keyword exp-msg.
Bold Courier typeface Represents text that the user must
type. user input
Key name in angle brackets Indicates the name of a key on the
keyboard. Press <Enter>.
Key names linked with a plus sign
(+) in angle brackets. Indicates that you must press two or more keys simultaneously. Press <Ctrl+B>.
Plain Courier typeface Representsinformationasdisplayed
on your terminal’s screen. host1#show ip ospf 2
Routing Process OSPF 2 with
Router ID 5.5.0.250
Router is an Area Border
Router (ABR)

Documentation
E-Series Routers xvii
Documentation
The E-Series Installation Quick Start poster is shipped in the box with all
new routers. This poster provides the basic procedures to help you get the
router up and running quickly.
With each software release, we provide the E-Series Routers
Documentation CD (formerly ERX Edge Routers Documentation CD).
The documentation CD contains the document set in PDF format and
HTML format (with and without frames). From the HTML files, you can
also access PDF files of individual chapters and appendixes.
The documentation is also available on the Web. You can order a set of
printed documents from your Juniper Networks sales representative.
The document set comprises the following books:
•E-Series Installation and User Guide – Provides the necessary
procedures for getting the router operational, including information on
installing, cabling, powering up, configuring the router for
Italics • Emphasize words.
• Identify variables.
• Identify chapter, appendix, and
book names.
• There are two levels of access,
user and privileged.
•clusterId, ipAddress.
•Appendix A, System Specifications.
Table 2 Text conventions (except for command syntax) (continued)
Convention Description Examples
Table 3 Syntax conventions in Command Reference Guide
Convention Description Examples
Words in plain text Represent keywords. terminal length
Words in italics Represent variables. mask, accessListName
Words separated by the | symbol Represent a choice to select one
keyword or variable to the left or
right of this symbol. (The keyword or
variable may be either optional or
required.)
diagnostic | line
Words enclosed in [ brackets ] Represent optional keywords or
variables. [ internal | external ]
Words enclosed in [ brackets ]* Represent optional keywords or
variables that can be entered more
than once.
[ level1 | level2 | l1 ]*
Words enclosed in { braces } Represent required keywords or
variables. { permit | deny } { in | out } {clusterId | ipAddress }

About This Guide
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management access, and general troubleshooting. Describes SRP
modules, line modules, and I/O modules available for the E-series
routers, and provides information about the compatibility of line
modules and I/O modules with software releases. Lists the layer 2
protocols, layer 3 protocols, and applications that line modules and
their corresponding I/O modules support.
•E-Series System Basics Configuration Guide – Describes planning and
configuring your network, managing the router, configuring passwords
and security, configuring the router clock, and configuring virtual
routers. Includes a list of references that provide information on the
protocols and features supported by the router.
•E-Series Physical Layer Configuration Guide – Describes configuring
physical layer interfaces.
•E-Series Link Layer Configuration Guide – Describes configuring link
layer interfaces.
•E-Series Routing Protocols Configuration Guide, Vol. 1 – Provides
information about configuring routing policy and configuring IP, IP
routing, and IP security.
•E-Series Routing Protocols Configuration Guide, Vol. 2 – Describes
BGP routing, MPLS, BGP-MPLS VPNs, and encapsulation of layer 2
services.
•E-Series Policy and QoS Configuration Guide – Provides information
about configuring policy management and quality of service (QoS).
•E-Series Broadband Access Configuration Guide – Provides
information about configuring remote access.
•E-Series Command Reference Guide A to M; E-Series Command
Reference Guide N to Z – Together comprise the E-Series Command
Reference Guide. Contain important information about commands
implemented in the system software. Use to look up command
descriptions, command syntax, a command’s related mode, or a
description of a command’s parameters. Use with the E-series
configuration guides.
•E-Series Product Overview Guide – Gives a thorough overview of the
router from a software and hardware perspective. It provides
illustrations and configuration examples that present the “big picture.”

Comments About the Documentation
E-Series Routers xix
MIBS Copies of the MIBs available in a software release are included on the
JUNOSe Software CD (formerly ERX Edge Routers Software CD) and on
the Web.
Release Notes Release notes are included on the corresponding software CD and are
available on the Web.
In the Release Notes, you will find the latest information about features,
changes, known problems, resolved problems, and system maximum
values. If the information in the Release Notes differs from the
information found in the documentation set, follow the Release Notes.
Abbreviations A complete list of abbreviations used in this document set, along with
their spelled-out terms, is provided in the E-Series System Basics
Configuration Guide, Appendix A, Abbreviations and Acronyms.
Web Access To view the documentation on the Web, go to:
http://www.juniper.net/techpubs/
Comments About the Documentation
We encourage you to provide feedback, comments, and suggestions so
that we can improve the documentation to better meet your needs. Please
e-mail your comments to:
•[e-mail]
Along with your comments, be sure to indicate:
•Document name
•Document part number
•Page number
•Software release version

About This Guide
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Contacting Customer Support
For technical support, contact Juniper Networks at [e-mail],
or at 1-888-314-JTAC (within the United States) or 408-745-9500 (from
outside the United States).