Labs
Networking Labs
Hands-on networking practice, troubleshooting and subnetting.
- 11 notes
- 96 minutes of reading
- Lab: getting started with Cisco Packet Tracer and a first topologyInstall Cisco Packet Tracer for free, learn the workspace, and build and test a first small LAN with PCs, a switch and a router. 8 min · Beginner
- Lab: basic switch configuration and SSH accessConfigure a new Cisco switch from scratch: hostname, passwords, banner, a management IP address and secure remote access with SSH version 2. 8 min · Beginner
- Lab: VLANs and 802.1Q trunks between two switchesCreate VLANs on two switches, assign access ports, and join the switches with an 802.1Q trunk using a dedicated native VLAN and an allowed VLAN list. 8 min · Beginner
- Lab: inter-VLAN routing with router-on-a-stick and SVIsRoute traffic between VLANs in two ways: a router with 802.1Q subinterfaces on one trunk, and switched virtual interfaces on a multilayer switch. 9 min · Intermediate
- Lab: static and default routes across three routersBuild a three-router chain and make it work with static routes, default routes on stub routers, and a floating static backup route. 9 min · Beginner
- Lab: single-area OSPF on three routersReplace static routes with OSPFv2 in area 0: router IDs, network statements or interface commands, passive interfaces, a default route and full verification. 9 min · Intermediate
- Lab: DHCP server, pools and relay on Cisco routersConfigure a Cisco router as a DHCP server with excluded addresses and two pools, then serve a remote subnet through a DHCP relay using ip helper-address. 8 min · Intermediate
- Lab: NAT and PAT to a simulated internetConfigure static NAT for an internal server and PAT (NAT overload) for a whole LAN on a Cisco router, using documentation address ranges for the simulated internet. 9 min · Intermediate
- Lab: standard and extended access control listsWrite and apply named standard and extended ACLs on a Cisco router: restrict SSH management to staff, and allow students only web access to a server VLAN. 9 min · Intermediate
- Lab: spanning tree root control and EtherChannelControl which switch becomes the spanning tree root per VLAN, protect edge ports with PortFast and BPDU Guard, and bundle two links into an LACP EtherChannel. 9 min · Intermediate
- Playbook: "Users can't reach the internet"A step-by-step troubleshooting checklist for one of the most common support tickets, with Windows and Linux commands. 10 min · All levels
- ChallengesReal-world style scenarios with instant checkingPractice
- Subnetting practiceRandom questions, scored as you goPractice