snmpwalk

SNMPwalk is a command line tool that is used to retrieve and display the values of SNMP network management objects. It is a part of the Net-SNMP suite of open-source SNMP utilities.

The tool allows users to walk down a tree of SNMP variables on a network device and retrieve the values of those variables. It uses SNMP GETNEXT requests to retrieve the values of each variable in a sequential manner.

SNMPwalk typically requires the user to provide the IP address or hostname of the target device, as well as the SNMP community string, which is used for authentication and access control.

With SNMPwalk, users can discover and examine various SNMP objects exposed by network devices, such as routers, switches, servers, printers, and more. These objects can include information about system configurations, network interfaces, CPU usage, memory utilization, and other performance metrics.

The output of SNMPwalk is often organized in a tree-like format, displaying the hierarchical structure of the SNMP objects. Each object is represented by an Object Identifier (OID), with its associated value.

This command line tool is widely used by network administrators, engineers, and monitoring systems to gather information from SNMP-enabled devices in order to troubleshoot, monitor, and manage network infrastructure effectively. It provides a powerful means of exploring and extracting SNMP data for analysis or automation purposes.