Example for Configuring Rail Transportation WLAN Services

WLAN V200R019C00 Typical Configuration Examples

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Service Requirements

To reduce network deployment costs and better serve passengers, a rail transportation enterprise wants to use WLAN technology to implement vehicle-ground communications and expects that multicast servers on the ground network can deliver multimedia information services to passengers.

Networking Requirements

AC networking mode: Layer 2 bypass mode
Wireless backhaul mode: Mesh-based vehicle-ground fast link handover
Backhaul radio: 5 GHz radio

Figure 5-5 Networking for configuring vehicle-ground fast link handover
Click to enlarge

Data Planning

Table 5-7 AP information

AP	MAC
Trackside AP (L1_001)	0046-4b59-1d10
Trackside AP (L1_003)	0046-4b59-1d20
Trackside AP (L1_010)	0046-4b59-1d30
Trackside AP (L1_150)	0046-4b59-1d40
Trackside AP (L1_160)	0046-4b59-1d50
Trackside AP (L1_170)	0046-4b59-1d60
Depot AP (L1_180)	0046-4b59-1d70
Depot AP (L1_190)	0046-4b59-1d80
...
Vehicle-mounted AP (in the front)	0046-4b59-2e10
Vehicle-mounted AP (in the rear)	0046-4b59-2e20
...

Table 5-8 Data planning

Item	Data
Management VLAN	VLAN 100
Multicast service VLAN	VLAN 101
Service VLAN for STAs	VLAN 200
DHCP server	Configure the AC as a DHCP server to assign IP addresses to trackside APs. Configure Switch_A as a DHCP server to assign IP addresses to vehicle-mounted terminals.
AC's source interface address	VLANIF 100: 10.23.100.1/24
Gateway address	IP address of VLANIF 101 on Switch_A: 10.23.224.1/24
IP address pool for trackside APs	10.23.100.2 to 10.23.100.254/24
IP address pool for vehicle-mounted terminals	10.23.224.4 to 10.23.224.254/24
AP group for trackside APs	Name: mesh-mpp
IDs of trackside APs	Trackside AP (L1_001): 1 Trackside AP (L1_003): 2 Trackside AP (L1_010): 3 Trackside AP (L1_150): 101 Trackside AP (L1_160): 102 Trackside AP (L1_170): 103
AP group for depot APs	Name: mesh-depot
Depot AP ID	Depot AP (L1_180): 201 Depot AP (L1_190): 202
AP wired port profile	Name: wired-port
Security profile	Name: sp01 Security policy: WPA2+PSK+AES Password type: PASS-PHRASE Authentication key: a1234567
AP system profile	Name: mesh-sys Mesh role: Mesh-portal
Mesh profile for trackside APs	Name: mesh-net Identifier: mesh-net Referenced Mesh handover profile for trackside APs: hand-over
Mesh profile for depot APs	Name: mesh-client Identifier: mesh-net Mesh client mode: enabled
Mesh profile 1 for vehicle-mounted APs	Name: mesh-net Identifier: mesh-net Index: 0 Referenced Mesh handover profile for vehicle-mounted APs: hand-over
Mesh profile 2 for vehicle-mounted APs	Name: mesh-client Identifier: mesh-net Index: 1 Mesh client mode: enabled
Mesh handover profile	Trackside APs: Name: hand-over Vehicle-mounted APs: Name: hand-over
Mesh whitelist on trackside APs	Name: whitelist01 Add MAC addresses of all vehicle-mounted APs on trains running on the rail to the whitelist according to actual situations.
MAC addresses of proxied ground devices	Gateway: 707b-e8e9-d328 Network management device: 286e-d488-12cd Multicast source: 286e-d488-b6ab
MAC addresses of proxied vehicle-mounted devices	Vehicle-mounted terminal_1: 286e-d488-d359 Vehicle-mounted terminal_2: 286e-d488-d270
Multicast group	225.1.1.1-225.1.1.3

Configuration Roadmap

Configure the ground network to enable Layer 2 communications between trackside APs and the AC.
Configure multicast services on ground network devices to enable proper multicast data forwarding on the ground network.
Configure vehicle-ground fast link handover on trackside and vehicle-mounted APs so that the vehicle-mounted AP can set up Mesh links with the trackside APs.
Configure the vehicle-mounted network to enable intra-network data communications.

Switches and routers used in this example are all Huawei products.

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 other network devices on the ground network.

Configure Switch_A. Create VLAN 100, VLAN 101 and VLAN 200, add interfaces GE0/0/1 to GE0/0/4 to VLAN 101, and configure these interfaces to allow packets from VLAN 101 to pass through. Set PVIDs of GE0/0/3 and GE0/0/4 to VLAN 101. Add GE0/0/5 to VLAN 200, set its PVID to VLAN 200, and configure GE0/0/5 to allow packets from VLAN 200 to pass through. Configure GE0/0/1, GE0/0/2, and GE0/0/6 to allow packets from VLAN 100 to pass through.

<HUAWEI> system-view
[HUAWEI] sysname Switch_A
[Switch_A] vlan batch 100 101 200
[Switch_A] interface gigabitEthernet 0/0/1
[Switch_A-GigabitEthernet0/0/1] port link-type trunk
[Switch_A-GigabitEthernet0/0/1] port trunk allow-pass vlan 100 101
[Switch_A-GigabitEthernet0/0/1] quit
[Switch_A] interface gigabitEthernet 0/0/2
[Switch_A-GigabitEthernet0/0/2] port link-type trunk
[Switch_A-GigabitEthernet0/0/2] port trunk allow-pass vlan 100 101
[Switch_A-GigabitEthernet0/0/2] quit
[Switch_A] interface gigabitEthernet 0/0/3
[Switch_A-GigabitEthernet0/0/3] port link-type trunk
[Switch_A-GigabitEthernet0/0/3] port trunk pvid vlan 101
[Switch_A-GigabitEthernet0/0/3] port trunk allow-pass vlan 101
[Switch_A-GigabitEthernet0/0/3] quit
[Switch_A] interface gigabitEthernet 0/0/4
[Switch_A-GigabitEthernet0/0/4] port link-type trunk
[Switch_A-GigabitEthernet0/0/4] port trunk pvid vlan 101
[Switch_A-GigabitEthernet0/0/4] port trunk allow-pass vlan 101
[Switch_A-GigabitEthernet0/0/4] quit
[Switch_A] interface gigabitEthernet 0/0/5
[Switch_A-GigabitEthernet0/0/5] port link-type trunk
[Switch_A-GigabitEthernet0/0/5] port trunk pvid vlan 200
[Switch_A-GigabitEthernet0/0/5] port trunk allow-pass vlan 200
[Switch_A-GigabitEthernet0/0/5] quit
[Switch_A] interface gigabitEthernet 0/0/6
[Switch_A-GigabitEthernet0/0/6] port link-type trunk
[Switch_A-GigabitEthernet0/0/6] port trunk allow-pass vlan 100
[Switch_A-GigabitEthernet0/0/6] quit

On Switch_A, configure an IP address for VLANIF 101 and enable the DHCP server function to assign IP addresses for vehicle-mounted terminals.

[Switch_A] dhcp enable
[Switch_A] interface vlanif 101
[Switch_A-Vlanif101] ip address 10.23.224.1 24
[Switch_A-Vlanif101] dhcp select interface
[Switch_A-Vlanif101] dhcp server excluded-ip-address 10.23.224.2 10.23.224.3
[Switch_A-Vlanif101] quit

Configure an IP address for VLANIF 200 on Switch_A and specify the IP address of GE1/0/0 on the router as the next hop address of the default route so that packets from the vehicle-ground communication network can be forwarded to the egress router.
```
[Switch_A] interface vlanif 200
[Switch_A-Vlanif200] ip address 10.23.200.2 24
[Switch_A-Vlanif200] quit
[Switch_A] ip route-static 0.0.0.0 0 10.23.200.1
```
Configure an IP address for GE1/0/0 on Router and configure routes to the internal network segment, with the next hop address 10.23.200.2.
```
<Huawei> system-view
[Huawei] sysname Router
[Router] interface gigabitethernet 1/0/0
[Router-GigabitEthernet1/0/0] ip address 10.23.200.1 24
[Router-GigabitEthernet1/0/0] quit
[Router] ip route-static 10.23.224.0 24 10.23.200.2
[Router] ip route-static 10.23.100.0 24 10.23.200.2
```
You can configure routes to external networks and the NAT function on the egress router according to service requirements to ensure normal communications between internal and external networks.

Configure Switch_B and Switch_C to enable Layer 2 communication between trackside APs and the ground network.

# On Switch_B, create VLAN 100 and VLAN 101, configure GE0/0/2 and GE0/0/1 to allow packets from VLAN 100 and VLAN 101 to pass through, and set the PVID of GE0/0/1 to VLAN 100 (management VLAN for trackside APs).

# Configure other interfaces on Switch_B connected to trackside APs according to the configuration for GE0/0/1. Configure these interfaces to allow packets from VLAN 100 and VLAN 101 to pass through, and set their PVIDs to VLAN 100.

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

# On Switch_C, create VLAN 100 and VLAN 101, configure GE0/0/2 and GE0/0/1 to allow packets from VLAN 100 and VLAN 101 to pass through, and set the PVID of GE0/0/1 to VLAN 100.

# Configure other interfaces on Switch_C connected to trackside APs according to the configuration for GE0/0/1. Configure these interfaces to allow packets from VLAN 100 and VLAN 101 to pass through, and set their PVIDs to VLAN 100.

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

Enable Layer 2 multicast on Switch_A, Switch_B, and Switch_C to allow them to properly forward multicast data.
# Enable IGMP snooping globally on Switch_A.
```
[Switch_A] igmp-snooping enable
```
# Enable IGMP snooping in VLAN 101 on Switch_A.
```
[Switch_A] vlan 101
[Switch_A-vlan101] igmp-snooping enable
[Switch_A-vlan101] quit
```
# Configure multicast group filter policies on Switch_A.
```
[Switch_A] acl 2000
[Switch_A-acl-basic-2000] rule permit source 225.1.1.1 0
[Switch_A-acl-basic-2000] rule permit source 225.1.1.2 0
[Switch_A-acl-basic-2000] rule permit source 225.1.1.3 0
[Switch_A-acl-basic-2000] quit
```
# Apply the multicast group filter policies in VLAN 101 on Switch_A.
```
[Switch_A] vlan 101
[Switch_A-vlan101] igmp-snooping group-policy 2000
[Switch_A-vlan101] quit
[Switch_A] quit
```
# Complete multicast configuration on Switch_B and Switch_C according to the multicast configuration procedure of Switch_A.

# Configure the fast leave function on Switch_B and Switch_C.

If trackside APs are directly connected to the switches and Layer 2 multicast is configured, enabling the fast leave function improves the quality of multicast services. If the trackside APs are not directly connected to the switches or Layer 3 multicast is configured, you cannot configure the fast leave function because this function may interrupt multicast services.
```
[Switch_B] vlan 101
[Switch_B-vlan101] igmp-snooping prompt-leave group-policy 2000
```
```
[Switch_C] vlan 101
[Switch_C-vlan101] igmp-snooping prompt-leave group-policy 2000
```

Configure AC system parameters.
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 interfaces.
  # Select GigabitEthernet0/0/1 and expand Batch Modify. Set Interface type to Trunk and add GigabitEthernet0/0/1 to VLAN 100 (management VLAN) and VLAN 101 (service VLAN).
  
  If the AC and APs are directly connected, set the default VLAN of the interfaces connected to the APs 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 interconnections.
  # 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.
  
  # 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 trackside APs.
1. Choose Configuration > Config Wizard > Mesh.
2. Create the AP group mesh-mpp for the MPPs.
  # In AP Group List, click Create. The Create AP Group page is displayed.
  
  # Set the AP group name to mesh-mpp and click OK.
3. Configure Mesh parameters for the MPPs.
  # In AP Group List, select the AP group mesh-mpp.
  # Click the Service Settings tab and configure Mesh parameters.
  - Set the Mesh role to Mesh-portal.
  - Set the Mesh ID to mesh-net.
  - Select Radio 1 as the radio used by Mesh links. Set the bandwidth of radio 1 to 40+MHz and channel to 157.
  - In Security Settings, set Key type to Pass-phrase, and enter the key a1234567.
  - In the Mesh Whitelist area, click Edit and add the MAC addresses of vehicle-mounted APs. In this example, MAC addresses 0046-4b59-2e10 and 0046-4b59-2e20 are added. Click OK.
    
    Add MAC addresses of vehicle-mounted APs on other trains to the Mesh whitelist whitelist01 according to the preceding procedure.
  # After configuring Mesh parameters, click Apply.
4. Add MPPs.
  # In AP Group List, select the AP group mesh-mpp.
  
  # On the AP List tab page, click Add. The Add AP page is displayed.
  
  # Set Mode to Manually add and manually add APs.
  
  # In this example, APs with MAC addresses 0046-4b59-1d10, 0046-4b59-1d20, 0046-4b59-1d30, 0046-4b59-1d40, 0046-4b59-1d50, and 0046-4b59-1d60 are added. Set AP ID to 1, 2, 3, 101, 102, and 103 for the APs respectively. Set the AP names to L1_001, L1_003, L1_010, L1_150, L1_160, and L1_170, respectively. Click OK. The APs are added as MPPs.
5. Configure a Mesh profile.
  # Choose Configuration > AP Config > AP Group > AP Group.
  
  # In the AP group list, click the AP group mesh-mpp. Select Display all profiles. Choose Mesh > Mesh Profile. The Mesh Profile List page is displayed.
  
  # Click Create. The Create Mesh Profile page is displayed. Set Profile name to mesh-net.
  
  # Click OK.
6. Configure a Mesh handover profile.
  # Choose Mesh > Mesh Profile > mesh-net > Mesh Handover Profile. The Mesh Handover Profile page is displayed.
  
  # Click Create. The Create Mesh Handover Profile page is displayed. Set Profile name to hand-over and click OK. The Mesh handover profile configuration page is displayed.
  
  # Set Position-based handover algorithm to ON.
  
  # Click Apply. In the dialog box that is displayed, click OK.
7. Configure the AP's wired port profile.
  # Choose AP > AP Wired Port Settings. Click GE0. The GE0 profile management page is displayed.
  
  # Click Create. The Create AP Wired Port Profile page is displayed. Set Profile name to wired-port and click OK. The configuration page of the wired port profile is displayed.
  
  # On the Advanced Configuration page of the AP wired port profile, set Port mode to Endpoint, add the wired port to VLAN 101 in tagged mode, and set Port PVID to 101.
  
  # Click OK. In the dialog box that is displayed, click OK.
Configure depot APs.
1. Choose Configuration > Config Wizard > Mesh.
2. Create the AP group mesh-depot for depot APs.
  # In AP Group List, click Create. The Create AP Group page is displayed.
  
  # Set the AP group name to mesh-depot and click OK.
3. Configure Mesh parameters for the MPPs.
  # In AP Group List, select the AP group mesh-depot.
  # Click the Service Settings tab and configure Mesh parameters.
  - Set the Mesh role to Mesh-portal.
  - Set the Mesh ID to mesh-net.
  - Select Radio 1 as the radio used by Mesh links. Set the bandwidth of radio 1 to 40+MHz and channel to 157.
  - In Security Settings, set Key type to Pass-phrase, and enter the key a1234567.
  - In the Mesh Whitelist area, click Edit and add the MAC addresses of vehicle-mounted APs. In this example, MAC addresses 0046-4b59-2e10 and 0046-4b59-2e20 are added. Click OK.
    
    Add MAC addresses of vehicle-mounted APs on other trains to the Mesh whitelist whitelist01 according to the preceding procedure.
  # After configuring Mesh parameters, click Apply.
4. Add MPPs.
  # In AP Group List, select the AP group mesh-depot.
  
  # On the AP List tab page, click Add. The Add AP page is displayed.
  
  # Set Mode to Manually add and manually add APs.
  
  # In this example, APs with MAC addresses 0046-4b59-1d70 and 0046-4b59-1d80 are added. Set AP IDs to 201 and 202 for the APs, respectively, and their names to L1_180 and L1_190, respectively. Click OK. The depot APs are added.
5. Configure a Mesh profile
  # Choose Configuration > AP Config > AP Group > AP Group.
  
  # In the AP group list, click the AP group mesh-depot. Select Display all profiles. Choose Mesh > Mesh Profile. The Mesh Profile List page is displayed.
  
  # Click Create. The Create Mesh Profile page is displayed. Set Profile name to mesh-client and enable Client Mode.
  
  # Click OK.
6. Configure the AP's wired port profile.
  # Choose AP > AP Wired Port Settings. Click GE0. The GE0 profile management page is displayed.
  
  # Click Create. The Create AP Wired Port Profile page is displayed. Set Profile name to wired-port and click OK. The configuration page of the wired port profile is displayed.
  
  # On the Advanced Configuration page of the AP wired port profile, set Port mode to Endpoint, add the wired port to VLAN 101 in tagged mode, and set Port PVID to 101.
  
  # Click OK. In the dialog box that is displayed, click OK.
Configure vehicle-mounted APs (running V200R020C10 or later).

This example provides the detailed procedure for configuring the vehicle-mounted AP in the front of the train. The procedure for configuring the vehicle-mounted AP in the rear is similar. The configuration differences are described in the subsequent steps.
1. Create VLAN 101 on the vehicle-mounted AP, configure GE0/0/0 on the vehicle-mounted AP to allow packets from VLAN 101 to pass through, and set the PVID of GE0/0/0 to VLAN 101.
  # Choose Advanced > Interface > VLAN. On the VLAN tab page, click Create. On the Create VLAN page, set VLAN ID to 101.
  
  # Click OK.
  
  # Choose Advanced > Interface > ETH Interface. Click GigabitEthernet0/0/0. The page for modifying the interface configuration is displayed.
  
  # Set Default VLAN to 101 and add the interface to VLAN 101 in tagged mode.
  
  # Click OK.
2. Configure the Mesh network.
  # Choose Configuration > Mesh Configuration.
  
  # In Mesh ID List, click Create. The Create Mesh ID page is displayed.
  
  # Set Mesh ID to mesh-net, Location-based enhanced link handover algorithm to ON, Direction to Forward, Security policy to WPA2-PSK-AES, Key type to PASS-PHRASE, and Key to a1234567.
  
  # Click Apply. In the dialog box that is displayed, click OK.
  
  # Create a Mesh ID for connecting to depot APs in the same way.
3. Bind the Mesh profile to the AP radio and configure IGMP snooping on the AP wired interface.
  # Choose Configuration > Mesh Configuration.
  
  # In AP List, select the AP with the AP ID of 0. The Mesh Configuration page is displayed.
  
  # In Mesh ID(Radio1), set Index0 to the Mesh ID for setting up Mesh links with trackside APs, and Index1 to the Mesh ID for setting up Mesh links with depot APs.
  
  # In AP Wired Port Settings, enable IGMP snooping of the interface.
4. Add proxied devices on the vehicle-mounted AP.
  # Add proxied ground devices. Add MAC addresses of Switch_A, network management device, and multicast source on the vehicle-mounted AP.
  
  # Choose Advanced > Other Services > Proxied Devices for Train To Ground COMM > Proxied Ground Device. Click Create and add MAC addresses of proxied ground devices. In this example, set the MAC addresses of proxied ground devices to 707b-e8e9-d328, 286e-d488-12cd, and 286e-d488-b6ab, and click OK.
  
  # Add proxied vehicle-mounted devices. Add MAC addresses of the vehicle-mounted devices on the vehicle-mounted AP.
  
  # Choose Advanced > Other Services > Proxied Devices for Train To Ground COMM > Proxied Vehicle-mounted Device. Click Create and add MAC addresses of proxied vehicle-mounted devices. In this example, set the MAC addresses of proxied vehicle-mounted devices to 286e-d488-d359 and 286e-d488-d270, and click OK.
Configure vehicle-mounted APs (running V200R019C00 or earlier).

This example provides the detailed procedure for configuring the vehicle-mounted AP in the front of the train. The procedure for configuring the vehicle-mounted AP in the rear is similar. The configuration differences are described in the subsequent steps.
1. Create VLAN 101 on the vehicle-mounted AP, configure GE0/0/0 on the vehicle-mounted AP to allow packets from VLAN 101 to pass through, and set the PVID of GE0/0/0 to VLAN 101.
  # Choose Configuration > Interface > VLAN. On the VLAN tab page, click Create. On the Create VLAN page, set VLAN ID to 101.
  
  # Click OK.
  
  # Choose Configuration > Interface > ETH Interface. Click GigabitEthernet0/0/1. The page for modifying the interface configuration is displayed.
  
  # Set Default VLAN to 101 and add the interface to VLAN 101 in tagged mode.
  
  # Click OK.
2. Configure a Mesh profile.
  # Choose Configuration > WLAN Service > WLAN Config. Click Radio1.
  
  # Choose Mesh > Mesh Profile. The Mesh Profile page is displayed.
  
  # Click Create. The Create Mesh Profile page is displayed.
  
  # Set Profile name to mesh-net and click OK. The Mesh Profile page is displayed.
  
  # Click Apply. In the dialog box that is displayed, click OK.
3. Configure a security profile.
  # Choose Mesh > Mesh Profile > Security Profile. The Security Profile page is displayed.
  
  # Click Create. The Create Security Profile page is displayed.
  
  # Set Profile name to sp01 and click OK. The Security Profile page is displayed.
  
  # Set Security Mode to WPA2-PSK-AES, Password type to PASS-PHRASE, and Password to a1234567.
  
  # Click Apply. In the dialog box that is displayed, click OK.
4. Configure a Mesh handover profile.
  # Choose Mesh > Mesh Profile > Mesh Handover Profile. The Mesh Handover Profile page is displayed.
  
  # Click Create. The Create Mesh Handover Profile page is displayed. Set Profile name to hand-over and click OK. The Mesh handover profile configuration page is displayed.
  
  # Set Position-based handover algorithm to ON and Moving direction to forward, and click Apply. In the dialog box that is displayed, click OK.
5. Add proxied devices on the vehicle-mounted AP.
  # Add proxied ground devices. Add MAC addresses of Switch_A, network management device, and multicast source on the vehicle-mounted AP.
  
  # Choose Advanced > Other Services > Proxied Devices for Train To Ground COMM > Proxied Ground Device. Click Create and add MAC addresses of proxied ground devices. In this example, set the MAC addresses of proxied ground devices to 707b-e8e9-d328, 286e-d488-12cd, and 286e-d488-b6ab, and click OK.
  
  # Add proxied vehicle-mounted devices. Add MAC addresses of the vehicle-mounted devices on the vehicle-mounted AP.
  
  # Choose Advanced > Other Services > Proxied Devices for Train To Ground COMM > Proxied Vehicle-mounted Device. Click Create and add MAC addresses of proxied vehicle-mounted devices. In this example, set the MAC addresses of proxied vehicle-mounted devices to 286e-d488-d359 and 286e-d488-d270, and click OK.
6. Configure IGMP snooping for vehicle-mounted APs.
  # Choose Configuration > Other Services > IGMP-Snooping > IGMP-Snooping. In Global Setting, set IGMP-Snooping to ON.
  
  # On the IGMP-Snooping page, select VLAN 101 in the VLAN List area and click Enable.
Verify the configuration.
1. Verify the configuration on the AC. Choose Monitoring > Mesh&WDS > Mesh Link Information to view Mesh link information. Detailed information about the Mesh links that are successfully established is displayed on this page.
2. Verify the configuration on the vehicle-mounted AP.
  # Choose Maintenance > Train To Ground COMM > Mesh Link Information to view Mesh link information. Displayed information is the same as that checked on the AC.
  
  # Choose Maintenance > Train To Ground COMM > Vehicle-mounted AP Field Strength to view field strength of the vehicle-mounted AP.
  
  # Choose Maintenance > Train To Ground COMM > Vehicle-mounted AP Roaming Trace to view the roaming trace of the vehicle-mounted AP.

Service Requirements
Networking Requirements
Data Planning
Configuration Roadmap
Configuration Notes

Translation

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Updated: 2021-11-18

Document ID: EDOC1100096116

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