Example for Configuring the RADIUS Server and AC to Deliver User Group Rights to Users

WLAN V200R019C00 Typical Configuration Examples

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Service Requirements

Different user groups are created to assign network access rights to different users when they access the WLAN through 802.1X authentication. Furthermore, users' services are not affected during roaming in the coverage area.

Networking Requirements

AC networking mode: Layer 2 bypass mode
DHCP deployment mode: The AC and SwitchB function as DHCP servers to assign IP addresses to APs and STAs, respectively.
Service data forwarding mode: direct forwarding
WLAN authentication mode: WPA-WPA2+802.1X+AES

Figure 5-39 Networking for configuring user authorization based on user groups

Data Planning

Table 5-44 Data planning on the AC

Configuration Item	Data
Management VLAN	VLAN 100
Service VLAN	VLAN 101
AC's source interface	VLANIF 100: 10.23.100.1/24
DHCP server	The AC functions as a DHCP server to assign IP addresses to APs, and SwitchB functions as a DHCP server to assign IP addresses to STAs.
IP address pool for APs	10.23.100.2-10.23.100.254/24
IP address pool for the STAs	10.23.101.2-10.23.101.254/24
RADIUS authentication parameters	RADIUS server template name: wlan-net IP address: 10.23.103.1 Authentication port number: 1812 Shared key: huawei@123 Authentication scheme: wlan-net
802.1X access profile	Name: wlan-net Authentication mode: EAP
Authentication profile	Name: wlan-net Bound profile and authentication scheme: 802.1X access profile wlan-net, RADIUS server template wlan-net, and RADIUS authentication scheme wlan-net
AP group	Name: ap-group1 Bound profile: VAP profile wlan-net and regulatory domain profile default
Regulatory domain profile	Name: default Country code: China
SSID profile	Name: wlan-net SSID name: wlan-net
Security profile	Name: wlan-net Security policy: WPA-WPA2+802.1X+AES
VAP profile	Name: wlan-net Forwarding mode: direct forwarding Service VLAN: VLAN 101 Bound profiles: SSID profile wlan-net, security profile wlan-net, and authentication profile wlan-net
User group	Name: group1 Bound ACL number: 3001 User group right: Only members in the user group can access network resources on 10.23.200.0/24.

Configuration Roadmap

Configure network interworking of the AC, APs, and other network devices.
Select Config Wizard to configure AC system parameters.
Select Config Wizard to configure the APs to go online on the AC.
Select Config Wizard to configure WLAN services on the AC. When configuring the security policy, select 802.1X and RADIUS authentication, and set the RADIUS server parameters.
Configure a user group.
Configure third-party server interconnection parameters.

The AC and server must have the same RADIUS shared key.

Configuration Notes

No ACK mechanism is provided for multicast packet transmission on air interfaces. In addition, wireless links are unstable. To ensure stable transmission of multicast packets, they are usually sent at low rates. If a large number of such multicast packets are sent from the network side, the air interfaces may be congested. You are advised to configure multicast packet suppression to reduce impact of a large number of low-rate multicast packets on the wireless network. Exercise caution when configuring the rate limit; otherwise, the multicast services may be affected.
- In direct forwarding mode, you are advised to configure multicast packet suppression on switch interfaces connected to APs.
- In tunnel forwarding mode, you are advised to configure multicast packet suppression in traffic profiles of the AC.
For details on how to configure traffic suppression, see How Do I Configure Multicast Packet Suppression to Reduce Impact of a Large Number of Low-Rate Multicast Packets on the Wireless Network?.
Configure port isolation on the interfaces of the device directly connected to APs. If port isolation is not configured and direct forwarding is used, a large number of unnecessary broadcast packets may be generated in the VLAN, blocking the network and degrading user experience.
In tunnel forwarding mode, the management VLAN and service VLAN cannot be the same. Only packets from the management VLAN are transmitted between the AC and APs. Packets from the service VLAN are not allowed between the AC and APs.

Procedure

Configure the network devices.

# Add GE0/0/1 and GE0/0/2 on SwitchA (access switch) to VLAN 100 and VLAN 101.

<HUAWEI> system-view
[HUAWEI] sysname SwitchA
[SwitchA] vlan batch 100 101
[SwitchA] interface gigabitethernet 0/0/1
[SwitchA-GigabitEthernet0/0/1] port link-type trunk
[SwitchA-GigabitEthernet0/0/1] port trunk pvid vlan 100
[SwitchA-GigabitEthernet0/0/1] port trunk allow-pass vlan 100 101
[SwitchA-GigabitEthernet0/0/1] port-isolate enable
[SwitchA-GigabitEthernet0/0/1] quit
[SwitchA] interface gigabitethernet 0/0/2
[SwitchA-GigabitEthernet0/0/2] port link-type trunk
[SwitchA-GigabitEthernet0/0/2] port trunk allow-pass vlan 100 101
[SwitchA-GigabitEthernet0/0/2] quit

# Add GE0/0/1 on SwitchB (aggregation switch) to VLAN 100 and VLAN 101, GE0/0/2 to VLAN 100 and VLAN 102, GE0/0/3 to VLAN 103, and GE0/0/4 to VLAN 104. Create VLANIF 102, VLANIF 103, and VLANIF 104, and configure a default route with the next hop of the address of Router.

<HUAWEI> system-view
[HUAWEI] sysname SwitchB
[SwitchB] vlan batch 100 to 104
[SwitchB] interface gigabitethernet 0/0/1
[SwitchB-GigabitEthernet0/0/1] port link-type trunk
[SwitchB-GigabitEthernet0/0/1] port trunk allow-pass vlan 100 101
[SwitchB-GigabitEthernet0/0/1] quit
[SwitchB] interface gigabitethernet 0/0/2
[SwitchB-GigabitEthernet0/0/2] port link-type trunk
[SwitchB-GigabitEthernet0/0/2] port trunk allow-pass vlan 100 102
[SwitchB-GigabitEthernet0/0/2] quit
[SwitchB] interface gigabitethernet 0/0/3
[SwitchB-GigabitEthernet0/0/3] port link-type trunk
[SwitchB-GigabitEthernet0/0/3] port trunk pvid vlan 103
[SwitchB-GigabitEthernet0/0/3] port trunk allow-pass vlan 103
[SwitchB-GigabitEthernet0/0/3] quit
[SwitchB] interface gigabitethernet 0/0/4
[SwitchB-GigabitEthernet0/0/4] port link-type trunk
[SwitchB-GigabitEthernet0/0/4] port trunk pvid vlan 104
[SwitchB-GigabitEthernet0/0/4] port trunk allow-pass vlan 104
[SwitchB-GigabitEthernet0/0/4] quit
[SwitchB] interface vlanif 102
[SwitchB-Vlanif102] ip address 10.23.102.1 24
[SwitchB-Vlanif102] quit
[SwitchB] interface vlanif 103
[SwitchB-Vlanif103] ip address 10.23.103.2 24
[SwitchB-Vlanif103] quit
[SwitchB] interface vlanif 104
[SwitchB-Vlanif104] ip address 10.23.104.1 24
[SwitchB-Vlanif104] quit
[SwitchB] ip route-static 0.0.0.0 0.0.0.0 10.23.104.2

# Configure the IP address of GE0/0/1 on Router and a static route to the network segment for STAs.

<Huawei> system-view
[Huawei] sysname Router
[Router] interface gigabitethernet 0/0/1
[Router-GigabitEthernet0/0/1] ip address 10.23.104.2 24
[Router-GigabitEthernet0/0/1] quit
[Router] ip route-static 10.23.101.0 24 10.23.104.1

Configure a DHCP server to assign IP addresses to STAs.
# On SwitchB, configure the VLANIF 101 to assign IP addresses to STAs.
Configure the DNS server as required. The common methods are as follows:
In interface address pool scenarios, run the dhcp server dns-list ip-address &<1-8> command in the VLANIF interface view.
In global address pool scenarios, run the dns-list ip-address &<1-8> command in the IP address pool view.
```
[SwitchB] dhcp enable
[SwitchB] interface vlanif 101
[SwitchB-Vlanif101] ip address 10.23.101.1 24
[SwitchB-Vlanif101] dhcp select interface
[SwitchB-Vlanif101] quit
```
Configure system parameters for the AC.
1. Perform basic AC configurations.
  # Choose Configuration > Config Wizard > AC. The Basic AC Configuration page is displayed.
  
  # Set Country/Region based on actual situations. For example, set Country/Region to China. Set System time to Manual and Date and time to PC.
  
  # Click Next. The Port Configuration page is displayed.
2. Configure ports.
  # Select GigabitEthernet0/0/1. Expand Batch Modify. Set Interface type to Trunk and add GigabitEthernet0/0/1 to VLAN 100 (management VLAN) and VLAN 102.
  
  If the AC and AP are directly connected, set the default VLAN of the interface connected to the AP to management VLAN 100.
  
  # Click Apply. In the dialog box that is displayed, click OK.
  
  # Click Next. The Network Interconnection Configuration page is displayed.
3. Configure network interconnection.
  # Click Create under Interface Configuration. The Create Interface Configuration page is displayed.
  
  # Set the IP address of VLANIF 100 to 10.23.100.1/24.
  
  # Click Create under DHCPv4 Address Pool List, select Interface address pool and select VLANIF 100.
  
  Configure the DNS server address as required.
  
  # Click OK.
  
  # Set the IP address of VLANIF 102 to 10.23.102.2/24 in the same way.
  
  # Under Static Route Table, click Create. The Create Static Route Table page is displayed.
  
  # Set Destination IP to 10.23.103.0, Subnet Mask to 24(255.255.255.0), and Next hop address to 10.23.102.1.
  
  # Click OK.
  
  # Click Next.
  
  # Click Next. The AC Source Address page is displayed.
4. Configure the source address for AC.
  # Set AC source address to VLANIF. Click the browse button and select Vlanif100.
  
  # Click Next. The Confirm Settings page is displayed.
5. Confirm the configuration.
  # Confirm the configuration and click Continue With AP Online.
Configure APs to go online.
1. Configure APs to go online.
  # Click Batch Import. The Batch Import page is displayed. Click to download an AP template file to your local computer.
  # Fill in the AP template file with AP information according to the following example. To add multiple APs, fill in the file with information of the APs.
  - AP MAC: 60de-4476-e360
  - AP SN: 210235419610CB002287
  - AP Name: area_1
  - AP Group: ap-group1
  If you set AP authentication mode to MAC address authentication, the AP's MAC address is mandatory and the AP's SN is optional.
  If you set AP authentication mode to SN authentication, the AP's SN is mandatory and the AP's MAC address is optional.
  
  You are advised to export the radio ID, AP channel, frequency bandwidth, and power planned on WLAN Planner to a .csv file, and then enter them in the AP template file. Set the longitude and latitude as required.
  # Click next to Import AP File, select the AP template file, and click Import.
  
  # On the page that displays the template import result, click OK.
  
  # Click Next. The Group APs page is displayed.
  
  # AP group information has been added in the AP template file. Click Next. The Confirm Configurations page is displayed.
2. Confirm the configuration.
  # Confirm the configuration and click Continue With Wireless Service Configuration.
Configure WLAN services
1. # Click Create. The Basic Information page is displayed.
2. # Set the SSID name, forwarding mode, and service VLAN ID.
3. # Click Next. The Security Authentication page is displayed.
4. # Set Security settings to 802.1x authentication, and configure parameters of the external RADIUS server.
5. # Click Next. The Access Control page is displayed.
6. # Set Binding the AP group to ap-group1.
7. # Click Finish.
Set the AP channel and power.
1. Disable automatic channel and power calibration functions of AP radios, and manually configure the AP channel and power.
  
  Automatic channel and power calibration functions are enabled by default. The manual channel and power configurations take effect only when these two functions are disabled.
  
  # Choose Configuration > AP Config > AP Config > AP Info. The AP List page is displayed.
  
  # Click the ID of the AP whose channel and power need to be configured. The AP customized settings page is displayed.
  
  # Click next to Radio Management. The profiles under Radio Management are displayed.
  
  # Click Radio 0. On the radio 0 configuration page that is displayed, disable the automatic channel and power calibration functions, and set the channel to 20-MHz channel 6 and transmit power to 127 dBm.
  
  # The configuration of Radio 1 is similar to that of Radio0. Disable automatic channel and power calibration functions, and set the AP channel to 20-MHz channel 149 and transmit power to 127 dBm.
  
  # Click Apply. In the dialog box that is displayed, click OK.
Configure a user group.
1. Configure an ACL.
  # Choose Configuration > Security > ACL > Advanced ACL Settings. The Advanced ACL Settings page is displayed.
  
  # Click Create on the ACLv4 tab. On the Create Advanced ACL page that is displayed, configure an ACL.
  
  # Click OK. The Advanced ACL Settings page is displayed.
  
  # Click Add Rule next to ACL 3001. On the Add Rule page that is displayed, add an ACL rule.
  
  # Click OK. On the Advanced ACL Settings page that is displayed, use the same method to add another ACL rule.
  
  # Click OK.
2. Configure a user group.
  # Choose Configuration > Security > User Group > User Group. The User Group page is displayed.
  
  # Click Create. On the Create User Group page that is displayed, set User group name and bind an ACL.
  
  # Click OK.
Configure third-party server interconnection parameters.
For the detailed configuration, see the related product documentation.
Verify the configuration.
- The WLAN with the SSID wlan-net is available for STAs after the configuration is complete.
- The STAs obtain IP addresses when they successfully associate with the WLAN.
- A user can use the 802.1X authentication client on an STA for authentication. After entering the correct user name and password, the user is successfully authenticated and can access resources on the network segment 10.23.200.0/24. You need to configure the 802.1X authentication client based on the configured authentication mode PEAP.
  - Configuration on the Windows 7 operating system:
    1. Access the Manage wireless networks page, click Add, and select Manually create a network profile. Add SSID wlan-net. Set the authentication mode to WPA2-Enterprise, and encryption algorithm to AES. Click Next.
    2. Click Change connection settings. On the Wireless Network Properties page that is displayed, select the Security tab page and click Settings. In the Protected EAP Properties dialog box, deselect Validate server certificate and click Configure. In the displayed dialog box, deselect Automatically use my Windows logon name and password and click OK.
    3. Click OK. On the Wireless Network Properties page, click Advanced settings. On the Advanced settings page that is displayed, select Specify authentication mode, set the identity authentication mode to User authentication, and click OK.