This chapter describes this document, includes summaries of changes from previous releases and precautionary messages, and lists command conventions.
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.
![]() | Note: This manual covers the current release and may also contain some content that will be released in later maintenance loads. Refer to the SR Linux Release Notes for information on features supported in each load. |
Table 1 lists the changes that were made in this release.
Topic | Location |
Key-based SSH authentication for local users | |
Support for SNMP IF-MIB ifEntry OIDs | |
CLI prompt indicating the running configuration differs from the startup configuration | |
Rescue configuration if the default configuration fails at startup | |
Generating a checkpoint automatically when a configuration is committed | |
Locally configured users | |
Role-based access control | |
Assigning multiple IPv4 addresses and prefixes and multiple global unicast IPv6 addresses and prefixes to a subinterface | |
LAG instances with up to 64 member links | |
LACP fallback | |
DHCP relay for IRB subinterfaces and Layer 3 subinterfaces | |
OSPFv2 support | |
BFD support for additional adjacency types | |
BFD failure detection for static routes | |
Supported ACL actions by hardware platform | |
System filter ACLs | |
QoS enhancements | |
Control groups (cgroups) to limit resource consumption for applications |
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.
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. |
Nokia SR Linux documentation uses the following command conventions.
Generic IP addresses are used in examples. Replace these with the appropriate IP addresses used in the system.