DHCP Failover configuration for VLANs
In this lab, we will simulate 2 different DHCP server on the same network for failover backup. Our primary DHCP server is 192.168.30.100 and secondary DHCP server is 192.168.100.100 . We have 4 VLANs; VLAN 10 and VLAN 20 are used for end users. VLAN 30 and VLAN 100 are used for system and network […]
Port Isolation on VLAN subnets
This feature can be used to isolate devices in the same VLAN from each other while allowing them to access external resources (e.g., the internet, a router, or a server). It is often used in guest networks or environments where you don’t want devices in the same VLAN to communicate directly with each other. How […]
What is NTP (Network Time Protocol) ? How to configure it on Cisco switches/routers?
Network Time Protocol (NTP) is a protocol used to synchronize the time on computers and other network devices. It works by sending messages between computers to determine the exact time and date. NTP is an important part of any computer network, as it ensures that all devices have the same time and date. This makes […]