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Within Cisco Umbrella Secure Internet Gateway (SIG) many features are at our disposal, such as Secure Web Gateway, DNS-Layer security, Cloud-delivered firewall, and many more. Information about Cisco Umbrella SIG can be found here.

https://umbrella.cisco.com/products/sig-product

In a previous blog I’ve talked about Cisco Umbrella DNS-layer and how to secure your organization at the DNS level. In...

I was upgrading a Catalyst 3850 48 port switch from version 03.07.01E to version 16.12.07. I’ve done this upgrade quite a few times. Followed the Cisco upgrade procedures that you find online when you download your software file. I always have them open, or the command needed to start the upgrade process. Console access showed me that my switch after my reload ended up in ROMMON mode.

The topic of backing up is not always linear. Backing up a system can sometimes be confusing topic among System and Network Engineers. There are always multiple ways to back up and restore, but is it the recommended for the system? For example, experience has shown me that enabling virtual machine snapshots to systems like ISE can present itself with larger operational issues like sporadic...

How to create a Certificate Signing Request with OpenSSL for your Cisco Firepower Threat Defense Firewall managed by FirePower Management Center.

Hello World,

I was able to work on a feature that was introduced in version 6.1. This feature is High Availability for FMC. The version of FirePower Management Center that this work was done on was 6.7. Also, a few caveats or things we need to know for this integration to be successful. Directly from Cisco.

The topic of backing up is not always linear. Backing up a system can sometimes be confusing topic among System and Network Engineers. There are always multiple ways to back up and restore, but is it the recommended for the system? For example, experience has shown me that enabling virtual machine snapshots to systems like ISE can present itself with larger operational issues like sporadic...