The idea of this lab is to craft an IPv6 packet from scratch using Python and Scapy library. The IDE I use is JetBrains PyCharm Community Edition 2018.3.1 x64 which is available for free...
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17 Minutes
5 Minutes
BGP session keepalive and hold times
In this post we’ll deep into the operation of BGP that is a Border Gateway protocol aimed at connecting (routing information exchange) autonomous system in contrast with IGP (Interior Gateway Protocols) that run into...
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8 Minutes
I-BGP synchronization with IGP
By definition, the BGP synchronization rule requires that when a BGP router receives information about a network from an I(nternal)-BGP neighbor, it does not use this information until a matching route : static or...
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6 Minutes
Vlan propagation and Cisco FabricPath
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. The case...
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4 Minutes
At the begining, … it was not DMVPN!
The simplest way to interconnect 3 or more routers in the same broadcast domain (and the same subnet) is by attaching them to a switch (or hub) in the same vlan. In case they’re...
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