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).

json

authenticationError

Table 1. authenticationError properties
Property name	Value
Application name	json
Event name	authenticationError
Default severity	informational
Message format string	No valid spiffe-id or username/password received, authentication needed
Cause	A user has failed to authenticate.
Effect	That user can't establish a configuration session.
Raising event	N/A
Clearing event	N/A

authenticationErrorSpiffe

Table 2. authenticationErrorSpiffe properties
Property name	Value
Application name	json
Event name	authenticationErrorSpiffe
Default severity	informational
Message format string	No valid spiffe-id received, username/password authentication disabled
Cause	A user has failed to authenticate.
Effect	That user can't establish a configuration session.
Raising event	N/A
Clearing event	N/A

globalConfigUpdate

Table 3. globalConfigUpdate properties
Property name	Value
Application name	json
Event name	globalConfigUpdate
Default severity	informational
Message format string	JSON RPC server global configuration updated.
Cause	A global configuration change has been made, resulting in json rpc configuration being regenerated.
Effect	May result in json rpc process(es) start or stop depending on the configuration change.
Raising event	N/A
Clearing event	N/A

httpJsonRpcOperDown

Table 4. httpJsonRpcOperDown properties
Property name	Value
Application name	json
Event name	httpJsonRpcOperDown
Default severity	critical
Message format string	HTTP JSON RPC server for network instance network_instance is no longer operational.
Cause	The httpJsonRpcOperDown event is generated when HTTP JSON RPC server on the mentioned network instance has transitioned from any other operational state to the down state.
Effect	HTTP JSON RPC server on the mentioned network instance is now down.
Raising event	N/A
Clearing event	N/A

httpJsonRpcOperUp

Table 5. httpJsonRpcOperUp properties
Property name	Value
Application name	json
Event name	httpJsonRpcOperUp
Default severity	warning
Message format string	HTTP JSON RPC server for network instance network_instance is operational.
Cause	The httpJsonRpcOperUp event is generated when HTTP JSON RPC server on the mentioned network instance has transitioned from any other operational state to the up state.
Effect	HTTP JSON RPC server on the mentioned network instance is now up.
Raising event	N/A
Clearing event	N/A

httpsJsonRpcOperDown

Table 6. httpsJsonRpcOperDown properties
Property name	Value
Application name	json
Event name	httpsJsonRpcOperDown
Default severity	critical
Message format string	HTTPS JSON RPC server for network instance network_instance is no longer operational.
Cause	The httpsJsonRpcOperDown event is generated when HTTPs JSON RPC server on the mentioned network instance has transitioned from any other operational state to the down state.
Effect	HTTPS JSON RPC server on the mentioned network instance is now down.
Raising event	N/A
Clearing event	N/A

httpsJsonRpcOperUp

Table 7. httpsJsonRpcOperUp properties
Property name	Value
Application name	json
Event name	httpsJsonRpcOperUp
Default severity	warning
Message format string	HTTPS JSON RPC server for network instance network_instance is operational.
Cause	The httpsJsonRpcOperUp event is generated when HTTPs JSON RPC server on the mentioned network instance has transitioned from any other operational state to the up state.
Effect	HTTPS JSON RPC server on the mentioned network instance is now up.
Raising event	N/A
Clearing event	N/A

jsonRpcRequestReceived

Table 8. jsonRpcRequestReceived properties
Property name	Value
Application name	json
Event name	jsonRpcRequestReceived
Default severity	informational
Message format string	Request received for session id session_id username username.
Cause	A JSON RPC Request is received.
Effect	JSON RPC server processes That Requset.
Raising event	N/A
Clearing event	N/A

jsonRpcResponseSent

Table 9. jsonRpcResponseSent properties
Property name	Value
Application name	json
Event name	jsonRpcResponseSent
Default severity	informational
Message format string	Response sent for session id session_id username username.
Cause	A JSON RPC Response is sent.
Effect	none.
Raising event	N/A
Clearing event	N/A

networkInstanceConfigUpdate

Table 10. networkInstanceConfigUpdate properties
Property name	Value
Application name	json
Event name	networkInstanceConfigUpdate
Default severity	informational
Message format string	JSON RPC server network instance network_instance configuration updated.
Cause	A configuration change has been made in the mentioned network instance, resulting in json rpc configuration being regenerated.
Effect	May result in json rpc process(es) start or stop depending on the configuration change.
Raising event	N/A
Clearing event	N/A

unixSocketJsonRpcOperDown

Table 11. unixSocketJsonRpcOperDown properties
Property name	Value
Application name	json
Event name	unixSocketJsonRpcOperDown
Default severity	critical
Message format string	Unix Domain Socket JSON RPC server is no longer operational.
Cause	The Unix Domain Socket JSON RPC server has transitioned from any other operational state to the down state.
Effect	Unix Domain Socket JSON RPC server is now down.
Raising event	N/A
Clearing event	N/A

unixSocketJsonRpcOperUp

Table 12. unixSocketJsonRpcOperUp properties
Property name	Value
Application name	json
Event name	unixSocketJsonRpcOperUp
Default severity	warning
Message format string	Unix Domain Socket JSON RPC server is operational.
Cause	The Unix Domain Socket JSON RPC server has transitioned from any other operational state to the up state.
Effect	Unix Domain Socket JSON RPC server is now up.
Raising event	N/A
Clearing event	N/A

userAuthenticated

Table 13. userAuthenticated properties
Property name	Value
Application name	json
Event name	userAuthenticated
Default severity	informational
Message format string	User username authenticated.
Cause	A user has been successfully authenticated.
Effect	That user is ready to start a configuration session.
Raising event	N/A
Clearing event	N/A

userAuthenticationErrorWrongPassword

Table 14. userAuthenticationErrorWrongPassword properties
Property name	Value
Application name	json
Event name	userAuthenticationErrorWrongPassword
Default severity	informational
Message format string	User username authentication failure, invalid username or password.
Cause	A user has failed to authenticate.
Effect	That user can't establish a configuration session.
Raising event	N/A
Clearing event	N/A

userAuthenticationErrorWrongSpiffeId

Table 15. userAuthenticationErrorWrongSpiffeId properties
Property name	Value
Application name	json
Event name	userAuthenticationErrorWrongSpiffeId
Default severity	informational
Message format string	User authentication failure, invalid client certificate spiffe-id spiffe_id.
Cause	A user has failed to authenticate.
Effect	That user can't establish a configuration session.
Raising event	N/A
Clearing event	N/A

July 16, 2026