1. Getting started

This chapter describes this document, includes summaries of changes from previous releases and precautionary messages, and lists command conventions.

1.1. About this document

This document describes basic configuration for the Nokia Service Router Linux (SR Linux). Examples of commonly used commands are provided.

This document is intended for network technicians, administrators, operators, service providers, and others who need to understand how the router is configured.

1.2. Summary of changes

Table 1 list the changes that were made in this release.

Table 1: Change summary

Topic	Location
Baseline datastore	Updating the baseline datastore
Private/named configuration candidates	Configuration candidates
Commit validation	Validating a commit operation
Commit confirmation	Confirming a commit operation
New SNMP OIDs	Configuring SNMP
Protocol authentication	Configuring protocol authentication
Tools command to generate self-signed certificate	Generating a self-signed certificate
Tools command to generate certificate signing request	Generating a certificate signing request
User idle timeout	Configuring idle-timeout for user sessions
Disconnect users by session ID	Disconnecting user sessions
Micro-BFD	Micro-BFD
LAG interfaces	LAG
Intermediate System to Intermediate System (IS-IS) protocol	IS-IS
New ACL actions for interface and CPM filters	Access control lists
Routing policy actions to replace AS_PATH	Replacing an AS path
Options for handling the AS_PATH in received BGP routes	Configuring AS path options
BGP route reflection	Route reflection
Network instance of type mac-vrf	mac-vrf network instance
Integrated routing and bridging (IRB) interfaces	IRB interfaces
Subinterfaces of type routed and bridged	Routed and bridged subinterfaces
Maintenance mode groups	Maintenance Mode

1.3. Precautionary messages

Observe all dangers, warnings, and cautions in this document to avoid injury or equipment damage during installation and maintenance. Follow the safety procedures and guidelines when working with and near electrical equipment.

Table 2 describes information symbols contained in this document.

Table 2: Information symbols

Symbol	Meaning	Description
	Danger	Warns that incorrect handling and installation could result in bodily injury. An electric shock hazard could exist. Before you begin work on this equipment, be aware of hazards involving electrical circuitry, be familiar with networking environments, and implement accident prevention procedures.
	Warning	Warns that incorrect handling and installation could result in equipment damage or loss of data.
	Caution	Warns that incorrect handling may reduce your component or system performance.
	Note	Notes contain suggestions or additional operational information.

1.4. Conventions

Nokia SR Linux documentation uses the following command conventions.

Bold type indicates a command that the user must enter.
Input and output examples are displayed in Courier text.
An open right-angle bracket indicates a progression of menu choices or simple command sequence (often selected from a user interface). Example: start > connect to.
Angle brackets (< >) indicate an item that is not used verbatim. For example, for the command show ethernet <name>, name should be replaced with the name of the interface.
A vertical bar (|) indicates a mutually exclusive argument.
Square brackets ([ ]) indicate optional elements.
Braces ({ }) indicate a required choice. When braces are contained within square brackets, they indicate a required choice within an optional element.
Italic type indicates a variable.

Generic IP addresses are used in examples. Replace these with the appropriate IP addresses used in the system.