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Cisco ASA Firewall Firmware Upgrade Process
Before upgrading the ASA, you should perform the following preparation: Check compatibility between different versions of operating systems; for example, make sure that the ASA version is compatible with the ASA Firepower module version. Check the upgrade path for the current version to the target version; ensure you plan for any intermediate versions required for…
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Cisco ASA – Packet Capture
The packet capture process is useful when you troubleshoot connectivity problems or monitor suspicious activity. In addition, you can create multiple captures in order to analyze different types of traffic on multiple interfaces. Collecting captures on ASA You can enable captures on ASA either from CLI or from ASDM Enable captures on ASDM Go to…
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Cisco ASA NAT Explained (Pre and Post 8.3 Version)
In ASA software version 8.3(1), Cisco completely restructured ASA NAT syntax. Quite a bit has already been written about these changes. However, since this is often a cause of confusion, I will try to provide an explanation of three of the most commonly used forms of NAT on an ASA: dynamic PAT, static NAT, and…
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Sanchit Gurukul 