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CCNP ENCOR vs ENARSI is it even related?, or should I ask "comparable?" Yes it is both actually, and in this blog, we will review both of the exams, talk...
BGP AS Override needs to be understood well in order to understand the BGP loop prevention behavior, But why BGP AS Override might create a dangerous situation, and what are...
What does PE-CE mean in the context of MPLS? What are CE, P, and PE devices in MPLS and MPLS VPN? These are foundational terms and definitions in MPLS. MPLS...
OSPF Administrative Distance, or OSPF AD, is the key of electing OSPF among other routing protocols (if existed) leading to the same target within the same routing table, in this...
What is OSPF? Language-wise it stands for Open Shortest Path First, and family-wise it belongs to the Link-State Interior Gateway Dynamic Routing Protocols. OSPF is an open standard internal routing...
There are commons and differences to the time when it comes to configuring an OSPF routing protocol on a router you manage, based on the router's manufacturer. We will take...
DMVPN - Dynamic Multipoint VPN and MPLS VPN are two of the most popular VPN mechanisms. In this post, we will look at DMVPN vs MPLS VPN comparison, from many...
IS-IS is a link-state routing protocol, similar to OSPF. If you are looking for Service Provider grade, MPLS Traffic Engineering support, and extendible routing protocol for easier future migration then...
MPLS Multiprotocol Label Switching is one of the most popular and commonly used technologies in today's Service Provider and Enterprise networks. In this post, we will explain the most fundamental...
Network complexity plays a very important role in network design. Every network designer tries to find the simplest design. What is Network Complexity? Although there is no standard definition for...
BGP Private and Public AS Range: On the internet, we have 2 byte AS Numbers and 4 Byte AS Numbers. In this post, we will explain what are the BGP...
BGP Route Server is used at the Internet Exchange Point to simplify the BGP Peering process. Instead of managing, and maintaining hundreds of Peering sessions in a large Internet Exchange...