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vpls-mac-learning-

VPLS MAC Learning VPLS is a Leyer 2 VPN technology. Becuase of its Layer 2 nature, “MAC Learning” is very important for VPLS. So, how does VPLS learn MAC Addresses? MAC Learning in VPLS is similar to normal switching MAC Learning. The concept is basic. At the beginning nobody knows the others. So, to send […]

vpls-topologies-hierarchical-

VPLS Topologies VPLS can be defined on One Service Router or on Multiple Service Routers. Basically we can divide VPLS into two here. The first one is VPLS, that is defined on one Service Router of Service Provider, by using router ports only. As Alcatel-Lucent (Nokia) translation, this type of VPLS is done only by […]

Basic VPLS Architecture, Full Mesh

Comparison of VPLS and h-VPLS VPLS (Virtual Private LAN Service) and h-VPLS (Hierarhical VPLS) has some common and different properties. So they have different aadvantages and disadvantages.In this article, we will focus on the comparison of these two concepts. The most important different between VPLS and h-VPLS is in the interface between the CE (Customer […]

VPLS (Virtual Private LAN Service) – Hierachical-VPLS (H-VPLS)

Posted by gokhankosem on 08 Sep 16 - Comments Off on VPLS (Virtual Private LAN Service) – Hierachical-VPLS (H-VPLS)

H-VPLS (Hierarchical VPLS) H-VPLS (Hierarchical VPLS) is the more scalable version of VPLS. Basically, H-VPLS has some architectural difference than flat VPLS. VPLS Architecture, Flat VPLS In H-VPLS, there are some additional edge devices. These devices are u-PE (User facing Provider Edge) and n-PE (Network facing Provider Edge). By using two different Edge Devices, H-VPLS […]

How LLDP Works, LLDP Mechanism

LLDP (Link Layer Discovery Protocol) LLDP (Link Layer Discovery Protocol) is a Standard Neighbour Discovery Protocol that is used by all vendors. Like all other Neighbour Discovery Protocols, LLDP works on Layer 2 (Data-link Layer). By using LLDP, directly connected neighbours are discovered. To discover a neighbour device, LLDP must be enabled both on the […]


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