Troubleshooting Ethernet – Cisco Systems Table 4-2 Usage Guidelines Ethernet and IEEE 802.3 Autonegotiation Troubleshooting Ethernet Figure 4-2 Troubleshooting Ethernet a table a table Figure 4-1 Table 4-5 this page this page this page a table Sample Display a table Command Mode Frame Formats Table 4-6 this page show interfaces ethernet Syntax Description Full-Duplex Operation 10/100/1000 Reference: Physical Connections