Monitor and troubleshoot
Documents under this category describe tools that can help you monitor, diagnose, and troubleshoot SR Linux software. This section also includes Log Event documentation to help you interpret log messages generated by SR Linux software.
- Event Handler Guide
  This document describes the functionality and configuration for the event handler framework on the Nokia Service Router Linux (SR Linux).
- Log Events Guide
  This document provides guidance for operators to interpret log events for the Nokia Service Router Linux (SR Linux).
- OAM and Diagnostics Guide
- Troubleshooting Toolkit
  This document describes how to use and configure diagnostic tools for the Nokia Service Router Linux (SR Linux).

What's new

Table 1. What’s new in Release 26.3.1
Topic	Location
Supports 7250 IXR Gen 3	Mirroring Service Activation Testhead (SAT)
OAM support in Segment Routing IPv6 (SRv6)	OAM support in Segment Routing IPv6 (SRv6)
Supports SAT and PLQ interactions	Service Activation Testhead and Packet Link Qualification
Supports sFlow sample sequence number Supports sFlow single source ID per interface	sFlow
Supports IPFIX	IPFIX

March 19, 2026