To configure ethernet port as a trunk port and allow to pass all vlans: <HUAWEI> system-view interface GigabitEthernet 0/0/13 [HUAWEI-GigabitEthernet 0/0/13]port link-type trunk [HUAWEI-GigabitEthernet 0/0/13]port trunk allow-pass vlan all. To configure ethernet port as a trunk port and allow to pass all vlans: <HUAWEI> system-view interface GigabitEthernet 0/0/13 [HUAWEI-GigabitEthernet 0/0/13]port link-type trunk [HUAWEI-GigabitEthernet 0/0/13]port trunk allow-pass vlan all. In Figure 2-12, PC1, PC2, and PC3 are on three network segments, and SwitchC, SwitchD, and SwitchE are access switches for the three network segments, respectively. To enable SwitchA and SwitchB to communicate with each other and provide high link bandwidth, Layer 3 Eth-Trunk interfaces need to be. MundoWin » Tutorials » How to configure Layer 3 switch trunk ports This tutorial will explain step-by-step how to configure trunk ports on a Layer 3 switch. Trunk ports are essential for communication between switches in a local area network (LAN). Configuring trunk ports on a switch can improve. Basic Command Configuration for H3C Switches H3C switch commands bear resemblance to Huawei switch commands but with subtle differences. Let's first understand the configuration commands and functions of H3C. Im trying to set up trunk to trunk, and I had luck with only one port, the others I have just don't work. It allows tagged frames from multiple VLANs and untagged frames from only one VLAN.