In this post, we explore the operation of Cisco FabricPath (FP) and more specifically Vlan information propagation in this fabric in comparison with other platforms: Catalyst for example from the same vendor. Introduction The case is to learn how the switches that are part of the LAN network learn about and support Vlan operation: is…...
You must be a Free level member to access this content.
In this blog, we will discuss the I-BGP synchronization with IGP feature. A little introduction By definition, the BGP synchronization rule requires that when a BGP router receives information about a network from an I-BGP neighbor, it does not use this information until a matching route : static or dynamic : learned via an IGP…...
You must be a Free level member to access this content.
In this blog, we discuss when a gateway decides that it’s not a good gateway any more and proposes a new gateway to the host by setting redirection. Introduction We explore how a gateway (a router) present in a LAN handles routing to the outside of this network and uses redirection to enhance this operation….
In this blog, we will setup a Checkpoint lab using virtualbox and gns3 on windows. Introduction In this lab we implement a basic security architecture to demonstrate the operation of a firewall cluster to protect our network. Our “security domain” is segmented into four zones: Security topology Our security topology is compound by two security…...
You must be a Free level member to access this content.
Let’s discuss in this blog, the operation of routing using a simple network example: a home network. Introduction The person in A wants to join its colleagues in location B through the network topology described in the below figure. This person needs to go back home at the evening! Should the one way and return…...
You must be a Free level member to access this content.
Presenting ARM In this post, that is a part of a serie of post that discuss how Wlan to radio ressources management, we talk of Aruba way of doing it. The figure shows a simple wlan network of 6 AP or access points. This is heatmap showing that radio signal is very strong (in red)…...
You must be a Free level member to access this content.
