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Stop sifting through endless `show interfaces` logs. Tools of this site raw data into actionable graphs, simplifying network analysis and boosting efficiency.
How graphing works
Quickly find problem interfaces
This is a list of graphs created on this site
- Display multiple interfaces together
- Display multiple parameters together
Important Usage Guidelines
- Please note that your use of this service is entirely at your own discretion and risk.
- To ensure the security of your information, do not upload any confidential or sensitive data.
- The maximum file size for each upload is 30 MB.
- You can upload a maximum of 20 files at one time.
- Uploads may take some time. Please wait for the completion message to appear before navigating away or closing the page.
- The generated graphs will be available for viewing for one week.
Who Is This For?
This tool is designed for network engineers and administrators who:
- Need to quickly visualize `show interfaces` log data.
- Are overwhelmed by manually analyzing large volumes of log files.
- Find deploying complex monitoring solutions like Zabbix too time-consuming.
- Struggle with identifying and mapping MIB OIDs for performance metrics.
How It Works: A Simple 3-Step Process
- Collect Your Logs: Use tools such as Expect, PuTTY, or TeraTerm to capture multiple times `show interfaces` outputs from your Cisco Catalyst switches. When configuring the switch, it is essential to obtain the time via
NTP and setexec prompt timestamp on line vty. For comprehensive analysis,We recommend that you set the load-interval to 30 for the interface. The reason is that you can graph the traffic volume with the 30-second average rate.
we suggest collecting at least 240 `show interfaces` executions. - Upload & Analyze: Simply upload your collected .txt or .log files to our platform.The uploaded file will be deleted after the graph is created.
- Generate & Gain Insights: Our tool instantly processes your data, generating clear, insightful graphs that help you quickly understand your network's health and performance trends.
Download sample_log_file.
First, download the sample_log_file and try creating a graph.
Download sample_swicth_config. Download sample_TeraTermMacro. Download sample_expect.
Key Performance Metrics You Can Visualize
Our graphing tool provides critical insights into your network's behavior, including:
- `z_InputErrors`: Track increases in input errors between `show interfaces` executions.
- `z_InputRate`: Monitor the "5 minute input rate" reported at the time of each `show interfaces` execution.
- `z_OutputErrors`: Visualize increases in output errors between `show interfaces` executions.
- `z_OutputRate`: Observe the "5 minute output rate" at the time of each `show interfaces` execution.
- `z_PauseInput`: Identify increases in input pause frames.
- `z_PauseOutput`: Track increases in output pause frames.
- `z_TotalOutputDrops-YMax1000`: Graph significant packet drops with a Y-axis maximum of 1000.
- `z_TotalOutputDrops-YMax10`: Graph minor packet drops with a Y-axis maximum of 10.
Technical Requirements
To ensure accurate graphing, please note the following:
- Your Cisco Catalyst switches must be synchronized with an NTP server.
- The
exec prompt timestampcommand must be enabled on your switch to display timestamps in the `show interfaces` output. - Only .txt and .log file extensions are supported for upload.
Compatibility
This tool has been thoroughly tested and verified to work seamlessly with:
- Cisco Catalyst 2960 Series
- Cisco Catalyst 3650 Series
- Cisco Catalyst 3560 Series
Disclaimer
Your use of this site and its services is entirely at your own discretion and risk.