The Blog Channel

  VLANs (virtual local area networks) and trunking are important concepts in computer networking that allow for the segmentation of a larger network into smaller, more manageable pieces. This segmentation can help improve security and performance, as well as make it easier to troubleshoot and manage the network. In this blog post, we will discuss what VLANs and trunking are, how they work, and how to implement them in your network. A VLAN is a logical grouping of network devices, such as computers and servers, that allows them to communicate as if they were on the same physical network segment. VLANs are created by configuring a switch to assign a specific VLAN ID to a group of ports. This allows devices connected to those ports to communicate with each other, but not with devices on other VLANs. For example, you could create a VLAN for your accounting department and another for your marketing department. This would ensure that the accounting department's sensitive financial data ...

Objectives Part 1: Analyze Network Requirements  Part 2: Construct the VLSM Address Scheme Part 3: Configure and Cable the IPv4 Network Context / Scenario Variable Length Subnet Mask (VLSM) was created to prevent IP address wastage. A network is subnetted and subsequently re-subnetted using VLSM. This procedure may be run numerous times to generate subnets of varying sizes depending on the desired number of hosts per subnet. Effective usage of VLSM involves planning of addresses. Use the network address 192.168.33.128.0/25 to construct an address scheme for the network seen in the topology diagram. VLSM is used to satisfy the IPv4 addressing specifications. After designing the VLSM address scheme, the interfaces on the routers will be configured with the proper IP address information. Addresses will need to be assigned to the future LANS at BR2, but no interfaces will be setup at this time. Note: Cisco 4221 routers running Cisco IOS XE Release 16.9.4 are used in CCNA hands-on labs ...