MPLS stands for MultiProtocol Label Switching. MPLS is a service provider technology that allows fast packet switching based on a label number instead of a MAC address. The MPLS frame sits between the Layer 2 and Layer 3 frames on an IP packet and is 32 bits long. The MPLS label looks like this. The […]
Over the last few months, I have been studying for the Cisco MPLS exam, and it has been a lot of fun. I already had an idea of MPLS from my ISCW study, but going into more depth and seeing how MPLS operates was a good experience. Over the next few days, I will post
The wonderful world of MPLS Read More »
I took 642-661 (Implementing BGP on Cisco Routers) and passed. This means I am one step closer to my next goal of CCIP before I attempt the big CCIE. The test was a hard test, it was what I expected, but some questions took me off guard. My study material was; Next up – 642-611 (Implementing
Another Test passed Read More »
When an error or anomaly happens on a BGP network, BGP will generate a “Notification Message.” As a Network Engineer, this is one message that you do not want to see. This message indicates a problem on your network that caused your BGP peering to fail or stops your BGP peers from forming a neighborship.
BGP Notification Error Codes Read More »
Well, I know it”s been a long time since my last post, but I have been hard at studying for the BGP test. What is BGP? There are two applications for BGP: The options with BGP are endless. Being the protocol that runs the internet, you can imagine that you would need the protocol to
One of the most critical topics in being a network professional is having the ability to subnet in your head and not rely on programs or calculators to do it for you. We are going to approach this one step at a time. The first is how to convert decimal to binary. The way that