About this guide
This document describes how to install the Nokia Service Router Linux (SR Linux) in various environments. It defines the required prerequisites and procedures for how to install SR Linux software elements. 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 software is installed and upgraded.
What's new
Change summary lists the changes that were made in this release.
Topic |
Location |
---|---|
In-Service Software Upgrade (ISSU) across R21.11 maintenance releases on 7220 IXR-D2 and D3 systems | In-service software upgrade |
In-Service Software Upgrade (ISSU) for 7220 IXR-DL systems | In-service software upgrade |
Software installation and upgrade procedures for 7220 IXR-DL systems | Installing software |
Precautionary and information messages
The following are information symbols used in the documentation.
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.
In command prompt examples, #
indicates a regular prompt and $
indicates a sudo/root/privileged prompt.