![]() The following Cisco ASA command outputs will provide these details: To start the analysis obtain the number of users connecting, concurrent connections established, and their impact on bandwidth. Initial Analysis Based on VPN Users and Concurrent Connections With several Python modules and open-source tools available today for network programmability and data analytics, programming can prove to be very helpful in the collection & analysis of data, planning, and optimization of the VPN setup. Making informed decisions to reduce the load on the ASA concentrators requires collecting a wide array of information from the devices over a period of time and assessing that information, which is a complex task and would require a considerable amount of time if done manually. This has led to a sudden and considerable increase of load on the VPN concentrators leading the administrators to re-think and re-plan their VPN setups. With many companies adopting Work From Home model for a majority of their employees all over, the number of users relying on VPN to carry out their jobs has increased considerably. If your network is live, ensure that you understand the potential impact of any command and python scripts. All of the devices used in this document started with a cleared (default) configuration. ![]() The information in this document was created from the devices in a specific lab environment. Note: Pandas, Streamlit, CSV, and Matplotlib are a few Python libraries that are used. This document is not restricted to specific Cisco ASA or FTD software and hardware versions. Prerequisites RequirementsĬisco recommends that you have knowledge of these topics: Applying analytics on this collected data helps make faster, more informed business decisions, backed up by facts. A lot of data is generated today in even the smallest of networks that can be harnessed to obtain useful information. This document describes how to monitor and optimize the Remote Access VPN set up through some of the programming modules and open-source tools available today.
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