Huawei Network Access Switch

Huawei switches enable secure, flexible, and manageable network access through VLANs, ACLs, NAC, and policy-based controls.

Overview of Huawei Switch Access Network

Huawei switches are designed to support campus and enterprise networks with high reliability, simplified management, and intelligent service capabilities . They provide Ethernet and CloudEngine data center switches that allow network scaling, automation, programmability, and real-time visibility, making them suitable for data centers, enterprise campuses, and private lines .

Network Access Control (NAC)

Huawei implements Network Access Control (NAC) to manage user and device access. NAC ensures that a terminal can only access the network after authentication, and access permissions are enforced through policy control on the switch . Key features include:

• User access authentication: Verifies user credentials before granting network access.
• Policy control: Defines rules on switches to control which devices or users can access specific network resources.
• Terminal identification and mobility: Supports flexible access for devices while maintaining security .

VLAN and Port Configuration

VLANs are used to segment the network into multiple broadcast domains, improving security and traffic management . Basic steps for configuring VLANs and access ports on Huawei switches include:

1. Enter system view: system-view
2. Create VLANs: vlan batch 2 3
3. Assign ports to VLANs:

   interface ethernet 2/0/1port link-type accessport default vlan 2quit

4. Verify configuration: display vlan or display interface Gigabitethernet2/0/1 .

Access Control Lists (ACLs) and Traffic Policies

Huawei switches support ACLs and traffic policies to control access between network segments. ACLs define permitted or denied traffic based on IP addresses, while traffic policies classify traffic and apply actions such as permit or deny . Typical configuration steps include:

• Create a traffic classifier referencing an ACL.
• Bind a traffic policy to the classifier.
• Specify traffic behavior (permit/deny) for matched packets .

CLI Management and Best Practices

Huawei switches can be managed via CLI using SSH or console access. Basic management tasks include:

• Creating users and setting access levels.
• Enabling SSH or Telnet services.
• Configuring Spanning Tree Protocol (STP) for loop prevention.
• Saving and verifying configurations to ensure proper network operation .

Summary

Huawei switches provide a comprehensive access network solution combining VLAN segmentation, NAC, ACLs, and traffic policies. These features allow enterprises to implement secure, flexible, and manageable network access, suitable for campus networks, data centers, and enterprise environments .