Cisco Packet Tracer LAN Connectivity

I wanted to practice IPv4 addressing and connectivity in a simulated router-switch-PC LAN before working with physical networking equipment.

I built a router-switch-PC topology in Packet Tracer, connecting the router's G0/0 interface to the switch uplink and checking the link indicators.

I assigned a router interface address and a PC address in the same subnet, entered the PC's mask and default gateway, and enabled the router interface with no shutdown.

I checked the router interface summary and pinged the gateway from the PC. The recorded result was G0/0 up/up, with four replies and zero packet loss.

In the simulated LAN, the PC reached its directly connected gateway with four replies and zero loss; the router interface was confirmed up/up.

The August 12 session preserves configuration instructions and confirms the resulting interface state and ping result. Addresses are omitted from this public summary.

This does not establish inter-subnet routing, NAT, or internet access. Earlier mentions of server and STP practice do not include a demonstrated spanning-tree configuration or failover result; those are not claimed here.

I practiced topology construction, interface configuration, and matching a PC's address, mask, and gateway.

I learned to pair link indicators with interface state and a successful ping rather than treating green links alone as proof of connectivity.