VTIs with ASA

I’ve been stuck in more ways then one this year…working from home indefinitely seems to be the status quo right now, and I’m in “tunnel” mode for most part. Most of these projects I’m working on all of common theme.. connect on-premise to more cloud resources! One way to do that is using VTIs. (Virtual […]

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Enable a RESTful ASA API

Starting from ASA 9.3(2) and onward the 5500-X hardware supports a RESTful API as an additional method for configuration/monitoring ASA hardware. Infrastructure as code as they call it, not anything new but I was reading a post that Ivan Pepelnjak wrote and as he points out there are two types of styles when we are […]

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ASA Site to Site VPN (DHCP)

If you don’t already know, site to site VPNs can be a cost-effective way for remote sites to connect to HQ resources instead of a lease line like using MPLS or Metro-E circuits. We can instead use a standard internet connection with a static IP, this is usually cheaper than a dedicated circuit. Our next […]

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Upgrade ASA IOS via ASDM

In this short but helpful post, I’ll go through the process of upgrading the ASA IOS via the ASDM. This is a pretty painless method if all goes well the only thing you have to do schedule downtime if this box is in production, and grab the ASA IOS image from Cisco. For this post […]

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