Example for Configuring Multicast CAC Based on Multicast Bandwidth

Procedure

1. Set the NAC mode to unified on the AC so that users can connect to the network properly.

   <HUAWEI> system-view
   [HUAWEI] authentication unified-mode

   

   If the NAC mode is changed from traditional to unified, the unified mode takes effect after you save the configuration and restart the device.

2. Configure SwitchA and the AC so that the AP and AC can transmit CAPWAP packets.

   # Add GE0/0/1 that connects SwitchA to the AP to management VLAN 100 and add GE0/0/2 that connects SwitchA to the AC to the same VLAN.

   <HUAWEI> system-view
   [HUAWEI] sysname SwitchA
   [SwitchA] vlan batch 100
   [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
   [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
   [SwitchA-GigabitEthernet0/0/2] quit

   # Add GE0/0/1 that connects the AC to SwitchA to VLAN 100.

   [HUAWEI] sysname AC
   [AC] vlan batch 100 101
   [AC] interface gigabitethernet 0/0/1
   [AC-GigabitEthernet0/0/1] port link-type trunk
   [AC-GigabitEthernet0/0/1] port trunk allow-pass vlan 100
   [AC-GigabitEthernet0/0/1] quit

3. Configure the AC to communicate with the upstream device.
   

   Configure AC uplink interfaces to transparently transmit packets of service VLANs as required and communicate with the upstream device.

   # Add AC uplink interface GE0/0/2 to service VLAN 101.

   [AC] interface gigabitethernet 0/0/2
   [AC-GigabitEthernet0/0/2] port link-type trunk
   [AC-GigabitEthernet0/0/2] port trunk allow-pass vlan 101
   [AC-GigabitEthernet0/0/2] quit

4. Configure the AC as a DHCP server to allocate IP addresses to STAs and the AP.

   # Configure the AC as the DHCP server to allocate an IP address to the AP from the IP address pool on VLANIF 100, and allocate IP addresses to STAs from the IP address pool on VLANIF 101.

   

   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.

   [AC] dhcp enable
   [AC] interface vlanif 100
   [AC-Vlanif100] ip address 10.23.100.1 24
   [AC-Vlanif100] dhcp select interface
   [AC-Vlanif100] quit
   [AC] interface vlanif 101
   [AC-Vlanif101] ip address 10.23.101.1 24
   [AC-Vlanif101] dhcp select interface
   [AC-Vlanif101] quit

5. Configure the AP to go online.

   # Create an AP group and add the AP to the AP group.

   [AC] wlan
   [AC-wlan-view] ap-group name ap-group1
   [AC-wlan-ap-group-ap-group1] quit

   # Create a regulatory domain profile, configure the AC country code in the profile, and apply the profile to the AP group.

   [AC-wlan-view] regulatory-domain-profile name domain1
   [AC-wlan-regulate-domain-domain1] country-code cn
   [AC-wlan-regulate-domain-domain1] quit
   [AC-wlan-view] ap-group name ap-group1
   [AC-wlan-ap-group-ap-group1] regulatory-domain-profile domain1
   Warning: Modifying the country code will clear channel, power and antenna gain configurations of the radio and reset the AP. Continue?[Y/N]:y  
   [AC-wlan-ap-group-ap-group1] quit
   [AC-wlan-view] quit

   # Configure the AC's source interface.

   [AC] capwap source interface vlanif 100

   # Import the AP offline on the AC and add the AP to AP group ap-group1. Assume that the AP's MAC address is 60de-4476-e360. Configure a name for the AP based on the AP's deployment location, so that you can know where the AP is deployed from its name. For example, name the AP area_1 if it is deployed in Area 1.

   

   The default AP authentication mode is MAC address authentication. If the default settings are retained, you do not need to run the ap auth-mode mac-auth command.

   In this example, the AP5030DN is used and has two radios: radio 0 (2.4 GHz radio) and radio 1 (5 GHz radio).

   [AC] wlan
   [AC-wlan-view] ap auth-mode mac-auth
   [AC-wlan-view] ap-id 0 ap-mac 60de-4476-e360
   [AC-wlan-ap-0] ap-name area_1
   Warning: This operation may cause AP reset. Continue? [Y/N]:y  
   [AC-wlan-ap-0] ap-group ap-group1
   Warning: This operation may cause AP reset. If the country code changes, it will clear channel, power and antenna gain configuration s of the radio, Whether to continue? [Y/N]:y  
   [AC-wlan-ap-0] quit

   # After the AP is powered on, run the display ap all command to check the AP state. If the State field is displayed as nor, the AP goes online normally.

   [AC-wlan-view] display ap all

   Total AP information: 
   nor  : normal          [1] 
   Extrainfo : Extra information 
   P  : insufficient power supply 
   -------------------------------------------------------------------------------------------------- 
   ID   MAC            Name   Group     IP            Type            State STA Uptime      ExtraInfo 
   -------------------------------------------------------------------------------------------------- 
   0    60de-4476-e360 area_1 ap-group1 10.23.100.254 AP5030DN        nor   0   10S         - 
   -------------------------------------------------------------------------------------------------- 
   Total: 1

6. Configure WLAN service parameters.
   # Create security profile wlan-security and set the security policy in the profile.

   

   In this example, the security policy is set to WPA2+PSK+AES and password to a1234567. In actual situations, the security policy must be configured according to service requirements.

   [AC-wlan-view] security-profile name wlan-security
   [AC-wlan-sec-prof-wlan-security] security wpa2 psk pass-phrase a1234567 aes
   [AC-wlan-sec-prof-wlan-security] quit

   # Create SSID profile wlan-ssid and set the SSID name to wlan-net.

   [AC-wlan-view] ssid-profile name wlan-ssid
   [AC-wlan-ssid-prof-wlan-ssid] ssid wlan-net
   [AC-wlan-ssid-prof-wlan-ssid] quit

   # Create VAP profile wlan-vap, set the data forwarding mode and service VLAN, and apply the security profile and SSID profile to the VAP profile.

   [AC-wlan-view] vap-profile name wlan-vap
   [AC-wlan-vap-prof-wlan-vap] forward-mode tunnel
   [AC-wlan-vap-prof-wlan-vap] service-vlan vlan-id 101
   [AC-wlan-vap-prof-wlan-vap] security-profile wlan-security
   [AC-wlan-vap-prof-wlan-vap] ssid-profile wlan-ssid
   [AC-wlan-vap-prof-wlan-vap] quit

   # Bind VAP profile wlan-vap to the AP group and apply the profile to radio 0 and radio 1 of the AP.

   [AC-wlan-view] ap-group name ap-group1
   [AC-wlan-ap-group-ap-group1] vap-profile wlan-vap wlan 1 radio all
   [AC-wlan-ap-group-ap-group1] quit

7. Set channels and power for the AP radios.
   

   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. The channel and power configuration for the AP radios in this example is for reference only. In actual scenarios, configure channels and power for AP radios based on country codes of APs and network planning results.

   # Disable automatic channel and power calibration functions of radio 0, and configure the channel and power for radio 0.

   [AC-wlan-view] ap-id 0
   [AC-wlan-ap-0] radio 0
   [AC-wlan-radio-0/0] calibrate auto-channel-select disable
   [AC-wlan-radio-0/0] calibrate auto-txpower-select disable
   [AC-wlan-radio-0/0] channel 20mhz 6
   Warning: This action may cause service interruption. Continue?[Y/N]y 
   [AC-wlan-radio-0/0] eirp 127
   [AC-wlan-radio-0/0] quit

   # Disable automatic channel and power calibration functions of radio 1, and configure the channel and power for radio 1.

   [AC-wlan-ap-0] radio 1
   [AC-wlan-radio-0/1] calibrate auto-channel-select disable
   [AC-wlan-radio-0/1] calibrate auto-txpower-select disable
   [AC-wlan-radio-0/1] channel 20mhz 149
   Warning: This action may cause service interruption. Continue?[Y/N]y 
   [AC-wlan-radio-0/1] eirp 127
   [AC-wlan-radio-0/1] quit
   [AC-wlan-ap-0] quit

8. Configure the multicast-to-unicast function.
   # Create traffic profile wlan-traffic, and enable the Internet Group Management Protocol (IGMP) snooping and multicast-to-unicast functions in the traffic profile.

   [AC-wlan-view] traffic-profile name wlan-traffic
   [AC-wlan-traffic-prof-wlan-traffic] igmp-snooping enable
   [AC-wlan-traffic-prof-wlan-traffic] traffic-optimize multicast-unicast enable

9. Configure broadcast CAC based on broadcast bandwidth.

   # Configure the maximum multicast bandwidth to 40960 kbit/s for a VAP.

   [AC-wlan-traffic-prof-wlan-traffic] igmp-snooping max-bandwidth 40960
   [AC-wlan-traffic-prof-wlan-traffic] quit

   # Bind traffic profile wlan-traffic to VAP profile wlan-vap.

   [AC-wlan-view] vap-profile name wlan-vap
   [AC-wlan-vap-prof-wlan-vap] traffic-profile wlan-traffic
   Warning: This action may cause service interruption. Continue?[Y/N]y 
   [AC-wlan-vap-prof-wlan-vap] quit

   # Create AP system profile ap-system and configure the bandwidth to 2048 kbit/s for the IP address segment of multicast groups ranging from 225.1.1.1 to 225.1.1.5.

   [AC-wlan-view] ap-system-profile name ap-system
   [AC-wlan-ap-system-prof-ap-system] igmp-snooping group-bandwidth start-group-address 225.1.1.1 end-group-address 225.1.1.5 bandwidth 2048
   [AC-wlan-ap-system-prof-ap-system] quit

   # Bind AP system profile ap-system to AP group ap-group1.

   [AC-wlan-view] ap-group name ap-group1
   [AC-wlan-ap-group-ap-group1] ap-system-profile ap-system
   [AC-wlan-ap-group-ap-group1] quit

10. Verify the configuration.

    Run the display wlan igmp-snooping vap-cac command on the AC to check the multicast CAC configuration and statistics on the VAP. When the difference between the CurBw and MaxBw values is smaller than the configured bandwidth of a multicast group, new users cannot join the multicast group.

    [AC-wlan-view] display wlan igmp-snooping vap-cac ap-id 0
    Info: This operation may take a few seconds, please wait.done.
    Rf            : Radio ID                  WID             : WLAN ID
    CurBw         : Current bandwidth(kbps)   MaxBw           : Max bandwidth(kbps)
    CurUser       : Current user number       MaxUser         : Max user number
    BwUtilization : Bandwidth utilization     UserUtilization : User utilization
    --------------------------------------------------------------------------------
    Rf  WID  CurBw/MaxBw        BwUtilization  CurUser/MaxUser  UserUtilization
    --------------------------------------------------------------------------------
    0   1    0/40960            0%             0/0              0%
    1   1    0/40960            0%             0/0              0%
    --------------------------------------------------------------------------------
    Total: 2