So a customer with sites in London, Moscow, Hyderabad, Hong Kong, Seattle, and New York can connect all his sites with what appears to be a single Ethernet switch. Unlike traditional Metro Ethernet services built around actual Ethernet switches, service providers can connect VPLS customers from regional all the way up to global scales. The attraction of VPLS to customers is that they can make their WAN look just like their local campus- or building-scope networks, using a single technology (Ethernet) that is cheap and well understood. – Virtual Private LAN Service: VPLS makes the service provider’s network look like a single Ethernet switch from the customer’s viewpoint. L2 VPNs are attractive to customers who want complete control of their own routing they are attractive to service providers because they can serve up whatever connectivity the customer wants simply by adding the appropriate interface in the PE router. The customer implements whatever Layer 3 protocol he wants to run, with no participation by the service provider at that level. – Layer 2 VPNs : The provider interconnects the customer sites via the Layer 2 technology – usually ATM, Frame Relay, or Ethernet – of the customer’s choosing. 元 VPNs are attractive to customers who want to leverage the service provider’s technical expertise to insure efficient site-to-site routing. The customer’s CE router at each of his sites speaks a routing protocol such as BGP or OSPF to the provider’s PE router, and the IP prefixes advertised at each customer site are carried across the provider network. – Layer 3 VPNs: With 元 VPNs the service provider participates in the customer’s Layer 3 routing. Later on, it was adopted as an industry standard in late1990s.Įnough about the history and importance, lets take a look at different types of MPLS-based VPNs MPLS had all these points into consideration as it evolved right inside cisco labs, where it took birth. Traditionally VPN were based on IPsec (layer 3) or TLS (layer 2) which were slow and sluggish and merely less on features. And VPN is all about creating a virtual network end to end across the internet. MPLS is the protocol that runs on top of your routing protocols.
#Mpls fundamentals ppt drivers
One of the most compelling drivers for MPLS in service provider networks is its support for Virtual Private Networks (VPNs), in which the provider’s customers can connect geographically diverse sites across the provider’s network.įirst thing people confuse is the usage of the words MPLS and VPN. MPLS popularity has increased exponentially in the last 5 years. This article should be knowledgeable to both kinds of audience. And if you are fair guy into networking, you often play with it.
#Mpls fundamentals ppt software
The Cisco Packet Tracer and/or VIRAL (Virtual Internet Routing Lab) are Cisco proprietary software and can only be obtained through Cisco. It is the student's responsibility to have these to practice with.
#Mpls fundamentals ppt how to
We will also learn how to create VRF's in order to make all this possible, as well as understand the CEF, LFIB, LRIB, and much more tables in order to troubleshoot MPLS.ĭISCLAIMER: Please note that the simulators/emulators used in this course are not part of the course. We will definitely be creating Provider Edge routers Customer Edge Routers and have customers within the same company communicate with each other and different companies also be able to communicate with each other through VPN. We will be creating multiple types of VPNs and through the use for Route Targets and Route Reflectors, we'll demonstrate how packets can be manipulated in a particular direction. Using the hands-on lab we will get to see how these labels get forwarded and we will be configuring multiple IGP routing protocols along with BGP to get information across our network. We will discuss the LDP protocol, what labels are and how they get forward it to other LDR Routers. We will be discussing why MPLS was implemented, the terminology used in an MPLS environment, the configurations used in MPLS, concentrating on using Layer 3 VPNs. In this course, we will cover all the fundamentals of MPLS.
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