Study With Me | CCNP SP | SPCOR 350-501 | 1.1.a | Core Architectures | MPLS

Introduction Onto the next Core Architecture. MPLS.  1.1 Describe service provider architectures 1.1.a Core architectures (Metro Ethernet, MPLS, unified MPLS, SR) Cisco service provider service delivery is basically based on MPLS. For that reason this is probably the more important concept to know about, but it will be hit on […]


Study With Me | CCNP SP | SPCOR 350-501 | 1.1.a | Core Architectures | Metro Ethernet

Introduction Cisco doesn’t include much useful detail in their exam topics. The full description for this section is:  1.1 Describe service provider architectures 1.1.a Core architectures (Metro Ethernet, MPLS, unified MPLS, SR I am going to focus this post on the Metro Ethernet portion of 1.1.a and follow up on […]


Study With Me | CCNP Service Provider

I have decided to pursue the new CCNP Service Provider certification as one of my goals this year. I have worked in the service provider space my entire career, but often in the transport and access layers rather than in layer 3 design and operation. Because I someday want to […]


OpenVPN Tunnel From pfSense to Debian Linux Diagram

OpenVPN Tunnel: Linux (Debian) to PFsense Firewall

Connect a Linux computer to a pfSense firewall with an OpenVPN shared key tunnel. The OpenVPN tunnel allows communication with a remote client behind a firewall you don’t control. Scripts are also provided to allow the remote client to use the home network DNS when connected to the tunnel.