Extending SNMP Device Support
We would like to invite you to use our SNMP Walk binary to extend your device support and share its data with us. This tool is designed to perform an SNMP walk on your target device and save the result in a specified file format. By utilizing this tool, you can help us better understand your device's capabilities and optimize our support for it. The SNMP Walk binary supports SNMP versions 1, 2c, and 3.
Once you have completed the SNMP walk and saved the results, please share the gob output file with our team. Community and Basic users should reach out to us on the ElastiFlow Community Slack. Standard and Premium users should reach us at support@elastiflow.com. Our experts will analyze the data and work on enhancing the support for your specific device.
If you have any questions or need assistance with using the SNMP Walk binary, please do not hesitate to reach out to our team. We appreciate your contribution to improving our device support and look forward to working with you.
snmpwalk
The ElastiFlow SNMP Walk binary is a command-line application that performs an SNMP walk on a target device and saves the result in a specified file format. The application supports SNMP versions 1, 2c, and 3.
Installation
The ElastiFlow SNMP Walk binary can be installed natively on Linux. Packages are currently provided for and supported on the Linux distributions and versions listed in the following table.
| Distribution | Versions |
|---|---|
| Ubuntu/Debian | 18.04 LTS, 20.04 LTS, 22.04 LTS |
| RHEL/AlmaLinux | 8.x, 9.x |
Ubuntu/Debian Installation (deb)
The Debian package for the SNMP Walk package can be downloaded from here. It can be used for installation on most Debian-based systems such as Debian and Ubuntu.
Downloading the .deb Package
The package can be easily downloaded using wget or curl:
wget https://elastiflow-releases.s3.us-east-2.amazonaws.com/snmp-walk/snmp-walk_7.1.0_linux_amd64.deb
curl https://elastiflow-releases.s3.us-east-2.amazonaws.com/snmp-walk/snmp-walk_7.1.0_linux_amd64.deb --output snmp-walk_7.1.0_linux_amd64.deb
Installing the Package
There are two methods to install SNMP Walk package, apt or dpkg.
Using apt
sudo apt install ./snmp-walk_7.1.0_linux_amd64.deb
Using dpkg
sudo dpkg -i snmp-walk_7.1.0_linux_amd64.deb
RedHat/AlmaLinux Installation (rpm)
The RPM package for the SNMP Walk package can be downloaded from here. It can be used for installation on most RedHat-based systems such as RHEL and CentOS.
Downloading the .rpm Package
The package can be easily downloaded using wget or curl:
wget https://elastiflow-releases.s3.us-east-2.amazonaws.com/snmp-walk/snmp-walk-7.1.0-1.x86_64.rpm
curl https://elastiflow-releases.s3.us-east-2.amazonaws.com/snmp-walk/snmp-walk-7.1.0-1.x86_64.rpm --output snmp-walk-7.1.0-1.x86_64.rpm
Installing the .rpm Package
The SNMP Walk package can be installed using yum.
Install/Upgrade the Package
If installing the SNMP Walk package for the first time, i.e. NOT upgrading, run the following:
sudo yum install -y snmp-walk-7.1.0-1.x86_64.rpm
If upgrading from a previously installed Unified SNMP Walk package, run the following:
sudo rpm -Uhv snmp-walk-7.1.0-1.x86_64.rpm
Usage
To use the SNMP Walk binary, run the following command:
snmpwalk [flags]
Configuration
The following flags are available for the SNMP Walk binary:
| Flag | Description | Value |
|---|---|---|
| -ip | The IP address of the device to which SNMP requests will be sent. | 127.0.0.1 |
| -port | The UDP port on which the device listens for SNMP requests. | 161 |
| -filename | The filename of the SNMP walk results. | snmp.walk |
| -root-oid | The root OID used to walk an SNMP device. | .1.3.6 |
| -auth-oid | The OID used to perform an authorization check against on an SNMP device. | .1.3.6.1.2.1.1.3.0 |
| -output-text | When output text is true, snmpwalk will write a human-readable output file. | false |
| -version | Specifies the SNMP version to use when polling this device. Valid values are: 1, 2c, 3. | 1 |
| -community | If version is 1 or 2c, a community must be provided. The community of the device that is added to an SNMP request. | |
| -timeout | The time to wait, in milliseconds, for a response to an SNMP request. | 3000 |
| -retries | The number of times to retry a failed SNMP request before the task is cancelled. | 2 |
| -exponential-timeout | Defines whether the timeout interval should remain static (false) for each retry, or increase exponentially (true). | false |
| -max-repetitions | The maximum number of repetitions to use when polling an SNMP device. This value is used to set the max-repetitions field in the SNMP GETBULK request. | 64 |
| -authoritative-engine-id | The authoritative engine ID used to make an SNMP request with SNMPv3. | |
| -authoritative-engine-boots | The authoritative engine boots used to make an SNMP request with SNMPv3. | 0 |
| -authoritative-engine-time | The authoritative engine time used to make an SNMP request with SNMPv3. | 0 |
| -username | The username used to authenticate with the device using SNMPv3. | |
| -authentication-parameters | The authentication parameters used to make an SNMP request with SNMPv3. | |
| -privacy-parameters | The privacy parameters used to make an SNMP request with SNMPv3. | |
| -authentication-protocol | The authentication protocol used to authenticate the username with the device using SNMPv3. | |
| -privacy-protocol | The privacy protocol used to encrypt SNMPv3 traffic between the SNMP input and the device. | |
| -authentication-passphrase | The authentication passphrase used to authenticate the username with the device using SNMPv3. | |
| -privacy-passphrase | The privacy passphrase used to encrypt SNMPv3 traffic between the SNMP input and the device. | |
| -secret-key | The secret key used to make an SNMP request with SNMPv3. | |
| -privacy-key | The privacy key used to make an SNMP request with SNMPv3. |