What is a DNS Server? How to setup on a network?
A DNS server, or Domain Name System server, is a crucial component of the internet infrastructure that helps translate human-readable domain names into IP addresses. Domain names are the familiar web addresses that people use to access websites, such as “www.barisyuksel.com.tr“. IP addresses, on the other hand, are numeric identifiers that computers and devices use […]
Syslog Server implementation for Cisco network devices
On Cisco networking devices, a syslog server refers to a system or application that collects, stores, and manages log messages generated by the Cisco devices. These log messages contain valuable information about the operation, performance, and events occurring on the network equipment. The syslog server helps network administrators and engineers to monitor, troubleshoot, and analyze […]
Cisco WLAN Controller with VLANs through multiple SSIDs
Let’s start configuring our VLANs and ports. We will create 3 VLANs on SW1 core switch. One of them will serve as Management subnet, others will serve as Office and Guest networks. Upon completion of VLAN and port configurations, we will start configuring Cisco Wireless Controllers and our Cisco Access Points. Both access points will […]
Initial/Basic configuration of Cisco Switches
Configuring Cisco switches is an essential part of any IT network. With the right configuration, you can ensure that your network is running optimally and securely. In this article, we will discuss how to configure a Cisco switch using the Cisco IOS command-line interface (CLI). We will cover topics such as setting up basic networking […]
Inter-VLAN Communication (Routing) and Extended ACL
Hello everyone, In this example we will create 4 VLANs on a mid-level network infrastructure. Above you can see the logical topology which we created. There is one DHCP server on 192.168.4.10/24 , one SQL-server on 192.168.3.2, four different client hosts and two layer-3 switches. We will use EXTENDED ACL to create some rules on […]