Stop reading. Start configuring.
Set the hostname, secure privileged mode, and configure a management IP on a new switch.
Cable three PCs into a single switch and verify end-to-end connectivity.
Create VLAN 10 and VLAN 20, assign access ports, and verify connectivity.
Configure an 802.1Q trunk so VLANs 10 and 20 pass correctly between two switches.
Enable OSPF area 0 on two routers and confirm neighbor adjacency and route exchange.
Configure static routes so two PCs on separate networks can reach each other.
Write a standard ACL to permit one host and deny all other traffic to a network.
Set up a DHCP pool on a router so client PCs automatically receive addressing.
Diagnose why two devices in the same VLAN can't reach each other, and fix the misconfiguration.