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Application Guide For Mesh AP – MAP-3120

How to setup VLAN for different services in MAP-3120?

F/W: 3.1.9

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Preface

This guide shows how to setup the VLAN for different services in the Mesh network

In this guide we require some basic 802.1q VLAN concept so that can have better understanding of the setting

With VLAN configuration, we can build a separated wireless access network for different services in an optimal way, say, for VoIP or public services


Topic Outline

Network Hypothesis How to setup the Switch How to setup the MAP-3120 Summary Appendix


Network Hypothesis – 1/4

Assumes the network is as the topology There are two MAP-3120

Pre configured as MAP3K_AppGuide1.pps

Switch supports 802.1q VLAN

In this guide FGSW-2620VM)

Internet Connection IP PBX / Proxy Servers WLAN NB + WiFi Phones

GW253

RL252

FGSW-2620VM

Mobile UserVoIP

Internet

IP PhonesVoIP Group

Mobile UserInternet


17 19 21


Physical Connection Public port of MAP-3120 (G

W253) connected at port 19 in this example

Internet Connection connected at port 17

VoIP services connected at port 21

GW253

RL252

FGSW-2620VM

Mobile UserVoIP

Internet

IP PhonesVoIP Group

Mobile UserInternet


17 19 21


Logical Connection - Switch

Port 17, 19, 21 all belongs to VLAN1

Port 19, 21 belongs to VLAN2 (VOIP, High Priority)

Port 17, 19 belongs to VLAN 2 (FTP, low priority)

GW253

Internet

IP PhonesVoIP Group

FGSW-2620VM

VLAN2VLAN3



Logical connection - Mesh There are three VLANs in th

is Mesh system VLAN 0 (default) VLAN 2 (VoIP) VLAN 3 (FTP)

Map to these three VLANs, there are three Virtual AP (SSID) generated as well

PLANET AP (default) PLANETVOIP (VLAN 2) PlanetFTP (VLAN3)

GW253

RL252

Mobile UserVoIP

Mobile UserInternet

Hint:In this guide, we reserve the default VLAN (SSID: PLANETAP) unchanged for management purpose.

And just let the newly created virtual AP as the network access purpose

SSID: PLANETFTPNo encryption

Tagged with

VLAN2

Hint:In this guide, we leave SSID 2 and SSID 3 no encryption so that the users can be connected without any configuration.However, it can base on the real applications.

Hint:Since VLAN 2 and VLAN 3 are enabled, it also means that, ANY UTP port of MAP-3120 are 802.1q VLAN tag enabled.

That is, any wired devices if want to talk with specified group, say VoIP, should with 802.1q tagged packet to MAP-3120. In this example, the packet should tagged as VLAN2’s ID.

SSID: PLANETVOIPNo encryption

Tagged with

VLAN3


How Switch Works – 1/2

17 19 21

GW253

InternetIP PhonesVoIP Group

FGSW-2620VM

Tagged with

VLAN2

Tagged or Un-taggedOutward packets

Insert VLAN2 Tag

Tagged or Un-tagged

inward packets

Outward Packets

with VLAN2 tag

17 19 21 FGSW-2620VM

GW253

Tagged with

VLAN3

Tagged or Un-taggedOutward packets

Insert VLAN3 Tag

Tagged or Un-tagged

inward packets

Outward Packets

with VLAN3 tag

Packet Flow for VLAN VoIP Packet Flow for VLAN Internet


How Switch Works – 2/2

To have better performance for VoIP or TCP IP-oriented packets, we need a higher the priority

FGSW-2620VM

17 19 21

GW253

IP PhonesVoIP Group

Internet

Port 21 with highest priority for

switch buffer


Outline

Network Hypothesis How to setup the Switch How to setup the MAP-3120 Summary

Appendix


Switch Setup – 1/3

VLAN Group Setup – Example on FGSW-2620PVM

1. Click on VLAN, then Static VLAN

2. Click on Add to create a new VLAN, i.e. VoIP and FTP

3. Name of the VLAN

4. Key in the VLAN ID, i.e. 2

5. Add the two ports, port 19 (MAP-3120) and port 21 (VoIP groups)

6. Then click on Apply

7. Set port 19 as Tag port

8. Set port 21 as Untag port

9. Click on Apply to save the setting

IP PhonesVoIP Group

GW253

10. Repeat again for adding VLAN3

11. Set port 19 as Tag port and 17 for Untag.



VLAN ID Setup

Setup for correct PVID insertion

1. After the 3 VLAN created, click on VLAN Filter

2. Select port 21. Then key in 2 for its PVID. And Apply

3. Select port 17. Then key in 3 for its PVID. And Apply

Hint:After VLAN Group and VLAN Filter setup, now, the three VLAN are settle down no matter inward packet or outward packet.



Port Priority Setup

2. Select All High before Low

1. Click on QoS Configuration

Hint:Basically, it can be All High, or WRR.

However, not like pure Layer 2 Ethernet packet, most of the packets in this example are TCP IP-oriented where bandwidth is far below Layer 2 switch’s 100Mbps capability. To avoid Ethernet packet effect TCP IP-oriented packets, All high is suggested.

3. Then Apply4. And Click on Port Configuration

1. Use Shift-key to select all ports

2. Select 0 to turn on the port priority

3. Click on Apply to enable right a way

4. Select port 21 again and set the priority to 7 (highest)

5. Then Apply to let switch always handle port 21 packets in highest priority

Hint:After the setting, port 21 will be first handled always, this shall guarantee the Voice packets (data packets or acknowledgment packets) always be forwarded to Mesh Network before other packets to make sure the voice quality.However, due to Wireless network could be many factors in voice transmission, this is what the switch can not control.


Outline

Network Hypothesis How to setup the Switch How to setup the MAP-3120 Summary

Appendix


Setup GW253 – 1/3

Step 1. Create new VLAN

1. Click on VLAN2. Click on Inactive VLAN, choose VLAN2

3. Then Edit

4. Key in the VLAN Tag ID.In this example, 2

5. Select Enable

6. Then, click on Apply to save the configuration

Hint:The ID, VLAN Tag ID here is the 802.1q VLAN ID that will be used from MAP-3020 to Switch’s outward packets.

Hint:The IP, Net mask column is used for purpose.If you would like to manage this AP through different VLAN Group, you may key in the IP, otherwise, it can be blank.

7. After that, turn on VLAN 3 as well

Hint:After that, there will be three VLAN in this page. VLAN0, the default VLAN (reserved for purpose)

VLAN 2, the VLAN that will be used for VoIP groupVLAN 3, the VLAN for Internet Connection.


Setup GW253 – 2/3

Step 2. Setup new Virtual AP

1. Click on Wireless

The MAP-3120 will automatically turn on two virtual AP follow the two new VLAN created.

Hint:You may well direct use the auto-generated Virtual AP / SSID for your network. Or, of course, change it to a meaningful one

Hint:In this example, VLAN 0 is for management, so we will turn on the security.

And change the SSID and some configuration for these two VLANs.

2. Then click on Edit here to start Virtual AP 2 setup

3. Change to a meaningful SSID

Hint:In here, we would also suggest to change the Datarate to a fixed one, say, for example 2Mbps.

Basically, each voice channel will take 20 ~ 80Kbps. 2Mbps is quite sufficient for 25 channels concurrently.Of, course, it will depends on the real application.

4. Make sure this AP is Enabled

5. Click on Apply to save the configuration.6. Continue for VLAN3

7. Change to a meaningful SSID

8. Make sure this AP is Enabled

9. Click on Apply to save the configuration.


Setup GW253 – 3/3

Now, Gateway 253 is with correct VLAN setting and Virtual AP setting.

After a reboot of GW253, you shall found that Wireless devices can find two more AP in the network. That is PLANETVOIP and PlanetFTP at the same time.

Hint:Now, if users attach to PLANETFTP, then the LAN interface of MAP-3120 will tagged with VLAN 3 to the switch so that the switch can forward to the configured VLAN group accordingly.

Gateway 253’s Virtual AP founded in the adapter’s utility


Setup Relay 252 – 1/3

Step 1. Create VLAN

1. The same to Gateway 253, click here to choose VLAN2, VLAN 3

2. Click on Edit for the configuration

3. Key in the VLAN Tag ID

4. Enable this VLAN

5. Click on Apply to save the setting

Hint:Check again the three VLAN do existed in the page with correct VLAN Tag ID.



Step 2. Setup Virtual AP

Hint:The same to Gateway253, configure the virtual AP for VLAN 2 and VLAN 3.

And again, pre-define the data rate for High priority VLAN group, for example VLAN 2. It will provide more reliable connection for this VLAN. (The AP do not need to negotiate for optimal performance yet saving Wireless and CPU utilization)

Hint:You may also setup the same RF frequency, or manual frequency say in this example, GW253: ch11, RL252: ch 6For purpose. (In this example, we use different channel for easy knowing which AP is attached)

Of course, also can keep it as default, i.e. auto so that MAP-3120 will make the decision when it boot up.



After the setup for VLAN and Virtual AP, a reboot of Relay 252 will make the setting take effect.

Then, the mobile user, for example, Wifi phone users can walk around and always get connected

The switch will base on the priority to forward the packets.


Summary

With VLAN configured and co-work with proper VLAN switch, the Wireless mesh network can be divided follow the setting, just like wired VLAN network.

It is quite convenient for Wireless network that need to divide into different groups and different services like in this example, VoIP purpose and Internet connection.


Appendix – 1/3

How to configure Management for different VLAN group? By default, the management interface is opened for VLAN 0. And

if you would like setup management for differenet VLAN, then it will as below.

1. Click on HTTPD

2. Click on New Entry

3. Select the desired VLAN interface

4. Then, apply and reboot to take effect

Hint:The same to SNMPD, if you would like to setup SNMP management. It is the same setting for different VLAN or interface


Appendix – 2/3

Reminder again for MAP-3120 VLAN For wired interface

VLAN 0 will be un-tagged packets

VLAN 1 to VLAN 15 will be Tagged packets

– No matter inward packets or outward packets

Those VLAN has nothing to do with IP subnet, it can be the same subnet or different follow network application

For Wireless interface

Different VLAN will direct map to different Virtual AP, i.e. different SSID

However, for MAP-3100 VLAN Different VLAN will means different IP Subnet in Layer 3

mode


Appendix – 3/3

The switch FGSW-2620VM also support port rate control. In the view of switch operation, setup the bandwidth out from port 19 (Egress rate) will also help to classify the packets efficiently.

Figure. Example of Egress rate set to 50Mbps (128K x 400) at port 19.

Switch MAC port19

100Mbps to Port 19

2Mbps to Port 1954Mbps

Half-duplex backhaulMAP-3120

99Mbps Port 19 out

1Mbps Port 19 out

26Mbps MAP out

1M ~ 512kbps MAP out

No Priority Settings

Switch MAC port19

100Mbps to Port 19

2Mbps to Port 1954Mbps

Half-duplex backhaulMAP-3120

48Mbps Port 19 out

2Mbps Port 19 out

25Mbps MAP out

2Mbps max. MAP out

Priority + Rate Control (50Mbps) Settings

Packet Arrival Time

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