Category Archives: Routing

Configuring eBGP Multi-hop Examples.

What Is eBGP Multi-hop? eBGP (External Border Gateway Protocol) Multi-hop is a networking method in the field of BGP (Border Gateway Protocol) routing, which is crucial in the internet’s framework.BGP, as a path vector protocol, is responsible for exchanging routing information between autonomous systems (ASes), which are large networks or groupings of networks under a common administration, often… Read More »

Configuring Extended ACLs Examples.

What Is Extended ACLs? Extended Access Control Lists (ACLs) are an advanced feature used in network devices like Cisco routers and switches to provide a stricter 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 »

How To Configure VLAN on Cisco Switch Example.

What is VLAN? A Virtual Local Area Network (VLAN) is a network technology used to divide a single physical network into multiple logical networks. This division is achieved at the data link layer (Layer 2) of the OSI model. VLANs are widely used in enterprise networks for their ability to improve network efficiency, security, and manageability. Key Concepts… Read More »

DHCP Explained with Examples

What Is Dynamic Host Configuration Protocol – DHCP? Dynamic Host Configuration Protocol works in a client/server mode. DHCP enables clients on an IP network to obtain or lease IP addresses or configurations from a DHCP server. This reduces workload when managing a large network. DHCP protocol is described in the RFC 2131. Most modern operating system includes DHCP in… Read More »

DHCP – How DHCP works.

The DHCP server’s most fundamental task is Providing IP addresses to clients. DHCP uses three different address allocation mechanisms when assigning IP addresses: Manual Allocation: The administrator manually assigns a pre-allocated IP address to the client and DHCP only communicates the IP address to the device. Automatic Allocation: DHCP automatically assigns a static IP address permanently to a device, selecting it from… Read More »