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Neighbour Discovery Protocols Neigbour Discovery Protocols provides directly connected devices to discover and collect information about each other. Network devices can provide directly connected neighbour device’s identification, configuration and any capabilities. Neighbour Discovery Protocols work on Layer 2. There are different neighbour protocols for different vendors. Generally they are refer this protocol like “vendor” discovery […]

vlan(virtual local area network) port assignment

VLAN Port Assignment VLANs can be assigned statically and dynamically. Static configuration is more common, but dynamic is also used. Static VLAN assignment is like its name. You will statically assign the ports to the VLAN. Dynamic VLAN assignment can be done by VLAN Membership Policy Server(VMPS). VMPS needs VLAN-MAC address relationship database. Here, we […]

vlan(virtual local area network)

VLANs (Virtual Local Area Networks) VLANs(Virtual Local Area Networks) are the virtual networks that you can seperate big networks into smaller networks. This can be done for reducing broadcast traffic, network performance improvement, security purpose or to seperate different departments each other and for network flexibility. Basically VLAN (Virtual Local Area Network) VLANs are logical […]

vpls-architecture-ipcisco

VPLS (Virtual Private LAN Service) VPLS Overview VPLS is a Multipoint-to-Multipoint Layer 2 VPN Service that connects multiple branches of a Customer, in a single logical switched architecture over Service Provider IP/MPLS network. Service Provider IP/MPLS network is our transit network here. Different brances of a customer, pass through this IP/MPLS network and this Layer […]

Ping Topology

Ping Command Whenever other engineers see network engineers during troubleshooting, they think that, network engineers only ping from one node to another. But as you know a network engineer is more than a pingman :) This command is a basic but very useful tool for network engineers to control the reachability of peer node. Ping […]


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