@psafarik : My "Network Mom ACL Analyzer" in the macOS App Store (for $10 "lunch money") supports IOS-XR.  If your problem is with my analyzer I'd love to see an ACL sample to troubleshoot (email: feedback AT networkmom.net).  If your problem is with...

I just released "Network Mom ACL Analyzer" in the MacOS 10.14 app store.It finds syntax errors, wildcards that don't align with subnets and CIDR's that are not on bit boundaries.It can determine if a specific TCP/UDP socket is permitted by a 50,000-l...

My new app, "Network Mom ACL Analyzer", is now in the MacOS 10.14 App Store. It analyzes IOS, IOS-XR, NX-OS, and ASA IPv4 security ACLs:It finds many types of syntax errorsIt finds wildcards that are not on a proper subnet boundaryIt warns about CIDR...

I recently released "Network Mom ACL Analyzer" in the MacOS 10.14 App Store.It supports analysis of IPv4 security ACLs for the following OS flavors:1) IOS (without object-groups)2) IOS-XR (with object-groups)3) NX-OS (with object-groups)4) ASA (with ...

I'd suggest starting with the CCNA. Nobody is going to let you design a network if you don'thave the ability to administer it (at least to a minimal extent), which is measured by the CCNA.Once you have the CCNA, try for the CCDA and then one of the ...