Connect to the Huawei switch using SSH or the console port. Use the following commands to set a port to trunk mode. For example: Replace USERNAME with the new username, set the password, define service-type (telnet, ssh, etc. ), and specify. This document describes how to log in Huawei S series switches for the first time and fast configure the switches, and describes the procedures of configuring unconfigured switches in three scenarios: Small-Sized Campus Networks, Small- and Mid-Sized Campus Networks and Mid-sized Campus WLANs. Before You Start This document will help you log in to and quickly configure Huawei S series switches.