How to network H3C core switches

Networking H3C core switches involves configuring management access, VLANs, IP addresses, routing, and DHCP to ensure connectivity between access switches and the egress router.Step 1: Connect and Access the SwitchUse a console cable to connect your PC to the switch's console port. Open a terminal emulation program (e.g., SecureCRT, PuTTY) with settings: 9600 baud rate, 8 data bits, 1 stop bit, no parity. Log in using the default credentials (commonly admin/admin) or your configured username/password .Step 2: Configure Management AccessEnter system view: system-viewAssign a management VLAN (avoid VLAN 1) and configure its interface with an IP address:CodeCopyvlan 5interface Vlan-interface 5ip address 192.168.1.1 255.255.255.0 Enable Telnet or SSH for remote management:CodeCopystelnet server enablersa local-key-pair create Create administrative users and assign access levels using the local-user and class commands .Step 3: Configure VLANs and InterfacesCreate VLANs for different departments or network segments:CodeCopyvlan 10vlan 20 Assign VLAN interfaces with IP addresses for inter-VLAN routing:CodeCopyinterface Vlan-interface 10ip address 10.0.10.1 255.255.255.0interface Vlan-interface 20ip address 10.0.20.1 255.255.255.0 Connect access switches to the core switch using aggregate links for redundancy and higher bandwidth .Step 4: Configure DHCP on the Core SwitchEnable DHCP server and create address pools for each VLAN:CodeCopydhcp enableip pool DeptA network 10.0.10.0 mask 255.255.255.0 gateway-list 10.0.10.1ip pool DeptB network 10.0.20.0 mask 255.255.255.0 gateway-list 10.0.20.1 Configure DHCP snooping on access switches to secure IP assignment .Step 5: Configure RoutingSet up a default route to the egress router for Internet access:CodeCopyip route-static 0.0.0.0 0.0.0.0 192.168.1.254 Ensure VLAN interfaces can communicate for inter-department traffic .Step 6: Enable Spanning Tree Protocol (STP)Prevent loops in the network by enabling RSTP or MSTP:CodeCopystp enablestp mode rstp Optionally, configure STP parameters for port priority and root bridge selection .Step 7: Save ConfigurationSave all configurations to ensure they persist after reboot:CodeCopysave Optional: Web-Based ManagementIf your H3C switch supports a web interface, enable HTTP/HTTPS services for GUI management:CodeCopyip http enableip https enable This allows easier monitoring and configuration without CLI commands . By following these steps, your H3C core switches will be properly networked, providing VLAN segmentation, inter-VLAN routing, DHCP services, and secure management access for a stable campus or enterprise network .