AAA functionality in Cisco switch can be used as a centralized solution to secure and control user access to switches. Cisco switches are capable of implementing AAA functionality with either TACACS+ protocol (Cisco proprietary) or RADIUS protocol. To use AAA you need to enable it and then connect it to an AAA service hosted in a server. … [Read more...] about How to Configure AAA (TACACS+) on Packet Tracer for User Authentication
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VRRP Configuration(virtual router redundancy protocol)
VRRP or virtual router redundancy protocol provides router or switch interfaces failover and failback facility for seamless operation of a network. VRRP almost similar to HSRP in terms of operations and functions, but with a few added features such as VRRP supports up to 255 groups. Just like HSRP, VRRP also support a number of routers to form a virtual group which acts like … [Read more...] about VRRP Configuration(virtual router redundancy protocol)