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Switch Multicast Techniques
Before talking about Multicast Techniques used in switches we will assume that we have a simple network of 3 hosts connected to a Switch and this switch connects them to…
Distance vector protocols
A routing protocol belong to one of two classes (Distance-Vector or Link-state), every class of both has some of characteristics of operation. – Distance Vector class One of the main…
Designated router in ISIS
In OSPF, DR “Designated Router” is used in Broadcast networks to eliminate LSAs “Link-State Advertisement” flooding everywhere and less the adjacencies to be maintaned with the DR/BDR only, so that…
EIGRP and BGP Cost Community
It has been a while since my last post but I am willing to make it up :), and todays post will the beginning and more to come soon. In…
MPLS LDP-IGP Synchronization
This topic is extremely important for our blog followers who are interested in learning more about Service Provider’s technologies and new features which are introduced to optimize the design of…
Identify and Mitigate Security Threats (Part 1):
In this topic we will discuss the OSI model layers and try to illustrate different types of attacks and how to mitigate and defend our network against these attacks. But…
Security Fundamentals
I know most of you already know a lot about it, but I just wanted to lay down the foundations for what to come next. Security Lifecycle: If you search…
BGP default IPv4-unicast
In this topic we will focus on just one command and the default behavior of BGP on Cisco devices. For the Cisco IOS we just configure a neighbor under the…