Mission N01 โ ARP / MAC / VLAN Investigation โ
Use show ip arp, show mac address-table, and show vlan to map IPs to MACs, switch ports, VLAN IDs, and VLAN names.
ARPMAC TableVLANs
Mission N02 โ Spanning Tree Investigation โ
Use show spanning-tree and show spanning-tree vlan commands to identify the root bridge, root ports, designated ports, and blocked ports.
STPSwitchingLoop Prevention
Mission N03 โ Connectivity Troubleshooting โ
Investigate devices that are working and not working due to wrong VLAN, bad IP settings, or incorrect cable termination.
TroubleshootingVLANCabling
Mission N04 โ Routing Investigation โ
Use routing table output to determine the best route, default route behavior, directly connected networks, and longest prefix match.
Routingshow ip routeDefault Route
Mission N05 โ Home WiFi Troubleshooting โ
Troubleshoot a home wireless network using SSID, channel, band, placement, security mode, and device capability clues.
WiFi2.4/5 GHzHome Network
Mission N06 โ Business Wireless Deployment โ
Design a business wireless deployment by placing APs, selecting SSIDs, securing guest access, planning channels, enabling roaming, and prioritizing voice/video.
WirelessBusiness NetworkQoS