Operate and maintain
Documents under this category provide background concepts and procedures for configuring, operating, and maintaining SR Linux software.
- ACL and Traffic Steering Guide
  This document describes ACL and policy-based routing configuration for the Nokia Service Router Linux (SR Linux).
- Advanced Configuration Guide
  This document describes how to configure advanced solutions for the Nokia Service Router Linux (SR Linux). Advanced solutions are defined as more complex network-level configurations where additional guidance and more detailed procedures may be required.
- CLI Plug-in Guide
  This document describes how to create custom CLI plug-ins, and defines the classes and utility functions used to create them. It also defines how to install, modify, and remove a CLI plug-in.
- Configuration Basics Guide
  This document describes basic configuration for the Nokia Service Router Linux (SR Linux). Examples of commonly used commands are provided.
- gRIBI Guide
  This guide describes configuration details for the gRPC Routing Information Base Interface (gRIBI) feature set used with the Nokia Service Router Linux (SR Linux).
- Interfaces Guide
  This document describes interface configuration for the Nokia Service Router Linux (SR Linux), including subinterfaces, IRB interfaces, LAGs, DHCP relay, and IPv6 router advertisements.
- MPLS Guide
  This guide describes the services and provides configuration examples for the Multiprotocol Label Switching (MPLS) protocol used with the Nokia Service Router Linux (SR Linux).
- Multicast Guide
  This guide provides an overview of multicast routing concepts and provides configuration examples for Internet Group Management Protocol (IGMP), Multicast Listener Discovery (MLD), and Protocol Independent Multicast (PIM).
- Network Synchronization Guide
  This guide describes the network synchronization features for the Nokia Service Router Linux (SR Linux).
- P4Runtime Guide
  This document describes SR Linux support for P4Runtime and includes procedures for configuring SR Linux to operate with P4Runtime clients.
- Quality of Service Guide for 7220 IXR and 7250 IXR
  This document describes configuration details for the Quality of Service (QoS) feature set used with the Nokia Service Router Linux (SR Linux) on IXR-series platforms.
- Quality of Service Guide for 7730 SXR
  This document describes configuration details for the Quality of Service (QoS) feature set used with the Nokia Service Router Linux (SR Linux) on SXR-series platforms.
- Routing Protocols Guide
  This document describes routing protocol configuration for the Nokia Service Router Linux (SR Linux), including OSPF, IS-IS, and BGP.
- Security Best Practices and Hardening Guide
- Segment Routing Guide
  This document describes configuration details for the Segment Routing feature set used with the Nokia Service Router Linux (SR Linux).
- System Management Guide
  This document describes the interfaces used with the Nokia Service Router Linux (SR Linux).
- VPN Services Guide
  This document describes basic configuration for Layer 2 and Layer 3 Virtual Private Network service functionality on the Nokia Service Router Linux (SR Linux). It presents examples to configure and implement various protocols and services.

Network synchronization tools commands

The following table describes the tools commands related to network synchronization.

Table 1. Network synchronization tools commands
Command	Definition
tools system sync gnss restart-position-survey	Resets the stored position-hold location and restarts the GNSS position survey for the new calculated position in all GNSS receivers in the system.
tools system sync ptp instance `instance` clear-statistics	Clears all statistics for the PTP instance.
tools system sync ptp instance `instance` default-ds freq-recovery-engine statistics clear	Clears all PTP statistics for the PTP frequency recovery engine.
tools system sync ptp instance `instance` default-ds statistics clear	Clears PTP statistics and event counters in the default data set.
tools system sync ptp instance `instance` default-ds time-recovery-engine statistics clear	Clears all PTP statistics for PTP time recovery engine.
tools system sync ptp instance `instance` inactive-peers clear	Clears information related to inactive PTP peers.
tools system sync ptp instance `instance` port-ds-configured-peer `port-index` statistics clear	Clears all PTP statistics in this PTP port data set for configured peers.
tools system sync ptp instance `instance` port-ds-discovered-peer `port-index` statistics clear	Clears all PTP statistics in this PTP port data set for discovered peers.
tools system sync ptp instance `instance` port-ds-interface `port-index` statistics clear	Clears all PTP statistics in this PTP port data set for interfaces.
tools system sync ptp instance `instance` recovery-engine reset	Resets the PTP clock algorithm and restarts the recovery process.

July 16, 2026