As per my previous post on Hot Standby Router Protocol fundamentals and some basic/advance concepts, here i came with a Lab for this type of setup. Below are some of the information which i used during the lab configuration: Debrief: Global Telecom provides internet service for a small mid size company named FastFood, ISP provides a block of IP address […]

You might probably have a basic understanding of BGP Extended Community from Routing and Switching Track, here i will discuss the extended community structure in BGP and the well-know community of BGP SOO ( Site of Origin ) along with its usage our MPLS cloud:  BGP Extended Community Structure Each Extended Community attributes has a defined community type code of […]

Here i came with a great article regarding the Cisco HSRP, it was a good experience while writing this article in Advance and Deep Level, so let’s get started. Hot Standby Routing Protocol (HSRP) is Cisco’s Proprietary Protocol which is used to provide redundancy in network. HSRP used port 1985 of UDP. A virtual IP address is used to provide redundancy […]

We have discussed about the MPLS Architecture and how the label header insertion into the frame-mode, for a successful deployment of the MPLS we need to have a proper planning of the Migration, here i came with the Steps which are required and has to be followed before migrating our backbone network to the MPLS enabled network: PS: This strategy […]

In previous topics we have discussed about how: How MPLS is run between Layer 3 Switching devices across Frame-Mode interfaces. These routers exchange pure IP packets for control protocols as well as labeled IP Packets over the same link. They also performs label switching by examining the label header in front of the IP Packet. When trying to fit MPLS […]

As per my previous post regarding how MPLS traverse in Data Plane Operation Frame-Mode, here i would like to write down about the MPLS Label Stack Header. As per the previous studies we all know that the Layer 2 Frame Header are as below: Above is the Layer 2 Frame Header with Unlabeled IP Packets, for Various Reason and Switching Performance […]

After Studying the First Chapter of the Ivan and Jim’s MPLS and VPN Architecture Book, i come with a fantastic post regarding the MPLS Architecture, so this will be the first post from the first book that i have started for my SP track: We know that the IP Propagation in normal router is base on the Destination IP address, […]

Mnemonics is derived from a Greek word “mnemonikós”, which means Mind, this learning technique is used for information intention.  Mnemonics allows us to easily transform unrelated information into a form which is easily understood by our brain than its original form. In simple words, it helps us to remember unrelated information easily. Here is a technique to remember a list of […]

After Passing my CCIE in Routing and Switching i was a little concerned regarding the selection of my next track, due i can’t leave it like this for only one CCIE, so i researched and shared my all concerns regarding the Service Provider track and Security Track, then i come to the point that my next track will be Service […]

Cisco Live at Orlando announce Virtual Internet Routing Lab (VIRL). It is Cisco’s answer to GNS3 or other IOS Simulator using virtualization to create virtual network topologies. This tools will be as revolutionary as GNS3, but at a much larger scale. It is an awesome tool that can be used for certification studying but also to validate production designs. An enterprise systems […]