ACI – Basic Object Workflow

Here’s something I was working on for the last weeks. I saw some examples of such a diagram, but so far non of them really did satisfy me so i made my own. But i had a lot of support from other enginners, even some Cisco SE’s who did take a look and gave me some hints. I can’t really tell all names now, but rest assured I’m very glad you all did look over it! So here it is. If you have comments, please leave a note or drop…

ACI – Preferred Groups

Since APIC Release 2.2(1n) Cisco enabled a feature called Preferred Groups. What does it and when do you need it? It allows defined EPGs in a VRF still to communicate with each other even when the Policy enforcement is enabled and there are no contract between those EPG’s. This can be, for example, really useful for migration scenarios. You can use them with all kind of EPG’s: EPG, uEPG or External EPG. But there are a few things you should be aware when you use it: You have to specify…

ACI – Cleanup “leftovers” from Wizards

Sometimes it happens that there are config parts on the APIC left, that you can’t delete in the GUI since there is no delete option. Here is one example:   Those¬†are the un-deletable objects: So to get rid of it you could factory reset the APIC (which is not really suitable), Call TAC, or just delete it yourself via the REST API or the CLI. I’ll go into detail for the last two ones.     Delete it via REST API Right-Click on the object and “save-as” When you open…