Configure the cascade port Enter the command Step 1: interface GigabitEthernet 1/0/21 into the port Step 2: speed 1000 set the speed to 1000M The third step: duplex full set the port to full duplex mode The fourth step: flow-control open flow control, the. Configure the cascade port Enter the command Step 1: interface GigabitEthernet 1/0/21 into the port Step 2: speed 1000 set the speed to 1000M The third step: duplex full set the port to full duplex mode The fourth step: flow-control open flow control, the. On a Layer 3 Ethernet interface, you can create multiple Layer 3 subinterfaces. This chapter describes how to configure management Ethernet interfaces and Ethernet interfaces. com Software version: S12500-CMW710-R7128 Document version: 6W710-20121130. Page 2 SecPro, SecPoint, SecEngine, SecPath, Comware, Secware, Storware, NQA, VVG, V G, V G, PSPT. This video provides a comprehensive guide on configuring and troubleshooting Combo ports on H3C Ethernet switches. For engineers who service ToR and spine switches, the process blends precision, patience, and a knack for reading datasheets. All contents in this document, including statements, information, and recommendations, are believed to be accurate, but they are presented without warranty of any kind, express or implied. H3C shall not be liable for technical software features. In H3C network devices, a combo port (optical-copper multiplexing port) is a multifunctional interface that integrates two physical media: optical fiber and copper cable.