We do need to get these license files installed in Flash. CBAC being a security thing, but you got the idea. But this would go through all of these different packages, show us the licenses, and then that might explain why, hey, I can’t configure Context-Based Access Control, or CBAC, on my router. It’s just the base, I’m looking here, and I don’t see that the security package is active and the rest of it is omitted.
Right now, what do we have currently active on this device in use? So here we can see that example looking at the output of show license. So when you purchase your device you just have this one IOS image, but then you unlock the different features by paying for the licenses for those different features. Some security features, VPNs, Internet Protocol Security, or IPsec, firewall support? Got to pay for that as well. What about voice over IP, or VoIP? Got to get the license for that. So do I want to provide some MPLS support? I have to get the license for that. But from there, this is where we purchased those licenses.
And once this universal image is on our device, what does it have? Well by default, it’s going to have the base image, base image comes with it. We have this universal image, which replaces everything that we had before. Security, different service provider (SP) services, or full load enterprise services, you purchased the OS you needed. We want to add voice, let’s grab IP Voice. All right, we just need basic functionality, let’s grab the bottom one. Not specifically, this exact set of operating systems because they have evolved over time. So back in the days when we started, this is what we had available to us. And so we have to be mindful of this elevated management workflow that is now our burden, our responsibility, as the people who interface with these router chassis.
You got things like unity, you have Call Manager Express, we’re going to be doing this sort of thing. For instance, I want to do Voice over IP, or VoIP. This is going to allow us to get a license and that license is then applied, installed in the chassis, and that gives us a feature. We’ve got to get a Product Activation Key, or PAK, that we load into our chassis that is based on a feature that we have purchased, okay. Here’s the thing you need to understand, we’re now going to have an operating system that can pretty much do it all, but does that mean we can do it all? No.
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