3.6.1.2 Packet Tracer – Configure AAA Authentication Packet Tracer – Configure AAA Authentication on Cisco Routers Download the .pka file here Addressing Table Device…
All About TACACS TACACS+ is a security application that provides centralized validation of users attempting to gain access to a router or network access server.…
1. What is DHCP snooping? DHCP snooping is a layer 2 security technology built into the operating system of a capable network switch that drops DHCP…
Link Aggregation Control Protocol (LACP) and Port Aggregation Protocol (PAgP) EtherChannels have automatic configuration with either Port Aggregation Protocol (PAgP) or Link Aggregation Control Protocol…
DOWNLOAD PACKET EtherChannel Overview EtherChannel is a Cisco technology that enables the aggregation or bundling of switchports into one logical link. Bundling multiple switchport…
DOWNLOAD THE PACKET TRACER LAB HERE Rapid PVST+ In this activity, you will configure VLANs and trunks, Rapid Spanning Tree PVST+, primary and secondary…
Lab – Configuring Rapid PVST+, PortFast, and BPDU Guard Topology Addressing Table Device Interface IP Address Subnet Mask S1 VLAN 99 192.168.1.11 255.255.255.0 S2 VLAN…
VTP VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol that propagates the definition of Virtual Local Area Networks (VLAN) on the whole local area…
CCNA Spanning Tree Protocol BPDU Guard Configuration BPDU BPDU stands for bridge protocol data unit. BPDUs are data messages that are exchanged across the switches…
What is PortFast? Portfast is a Cisco Propietary feature that was originally developed to overcome an issue when a PC was trying to obtain a DHCP address…