Category Archives: switching

How to Verify OSPF Configuration Examples.

What is OSPF? Open Shortest Path First (OSPF) is a routing protocol used in computer IP networks to determine the best path for data packets to travel from one router to another.It is part of the Interior Gateway Protocol (IGP) family and is widely used in large and complex networks. OSPF is designed to allow routers within an… Read More »

Border Gateway Protocol Explained with Examples.

What Is Border Gateway Protocol? BGP is a complex, advanced distance routing protocol. It can best be described as Exterior Gateway Protocol (EGP). It’s been referred to in many quarters as the ‘big dog’ protocol of the internet. BGP exchanges routing information between Autonomous Systems (ASs). Unlike Interior routing protocols such as RIP, EIGRP, and OSPF that run inside a company’s network,… Read More »

Extended ACLs Explained with Examples

What are Extended ACLs? Extended Access Control Lists (ACLs) are an advanced security feature used in network devices like routers and switches to provide a finer level of control over network traffic than standard ACLs. While standard ACLs filter traffic based solely on the source IP address, extended ACLs can filter based on multiple criteria, including: Source and… Read More »

Difference between Hubs, Switches, Routers, and Access Points

Hubs, Switches, Routers, and Access Points are all used to connect computers on a network, but each of them has different capabilities. What Is a Hub? Hubs are used to connect computers on a network to communicate with each other. Each computer plugs into the hub with a cable, and information sent from one computer to another passes… Read More »

DHCP Snooping Explained.

What Is DHCP Snooping? The Dynamic Host Configuration Protocol (DHCP) allocates IP addresses dynamically, it leases addresses to connected devices and the addresses can be reused when no longer needed. All connected Hosts and end devices that require IP addresses obtained through DHCP must communicate with a DHCP server across the LAN. DHCP snooping acts like a firewall… Read More »