Ruijie RG-WLAN Series User manual

RG-WLAN Series Access Point RGOS
Configuration Guide, Release 10.4(1b19)p2

RG-WLAN Series Access Point RGOS Configuration Guide, Release
10.4(1b19)p2
Revision No.: Version 10.4(1b19)p2
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This document is provided “as is”. The contents of this document are subject to change without any notice. Please obtain
the latest information through the Ruijie Networks website. Ruijie Networks endeavors to ensure content accuracy and will
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Preface
Version Description
This manual matches the software version RGOS®10.4(1b19)p2.
Target Readers
This manual is intended for the following readers:
Network engineers
Technical salespersons
Network administrators
Obtaining Technical Assistance
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Online customer services: http://webchat.ruijie.com.cn
Customer service center: http://www.ruijie.com.cn/service.aspx
Customer services hotline: [phone]
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Related Documents
Documents Description
Configuration Guide Describes network protocols and related mechanisms that supported by the
product, with configuration examples.
Command Reference Describes the related configuration commands, including command modes,
parameter descriptions, usage guides, and related examples.
Hardware Installation Guide
Describes functional and physical features of the product and provides
installation procedure, hardware troubleshooting, module technical
specifications, and specifications and guidelines of cables and connectors.
Conventions in this Document
1. Universal Format Convention
Arial: Arial with the point size 10 is used for the body.
Note: A line is added respectively above and below the prompts such as caution and note to separate them from the body.

Format of information displayed on the terminal: Courier New, point size 8, indicating the screen output. User's entries
among the information shall be indicated with bolded characters.
2. Command Line Format Convention
Arial is used as the font for the command line. The meanings of specific formats are described below:
Bold: Key words in the command line, which shall be entered exactly as they are displayed, shall be indicated with bolded
characters.
Italic: Parameters in the command line, which must be replaced with actual values, shall be indicated with italic
characters.
[ ]: The part enclosed with [ ] means optional in the command.
{ x | y | ... }: It means one shall be selected among two or more options.
[ x | y | ... ]: It means one or none shall be selected among two or more options.
//:Lines starting with an exclamation mark "//" are annotated.
3. Signs
Various striking identifiers are adopted in this manual to indicate the matters that special attention should be paid in the
operation, as detailed below:
Descript, prompt, tip or any other necessary supplement or explanation for the operation.
The port types mentioned in the examples of this manual may not be consistent with the actual ones. In real network
environments, you need configure port types according to the support on various products.
The display information of some examples in this manual may include the information on other series
products, like model and description. The details are subject to the used equipments.
Warning, danger or alert in the operation.

Configuration Guide Configuring Fat AP
Configuring Fat AP
Understanding Fat AP
Figure 1-1 Typical Application of Fat AP
Overview
A fat access point (AP) is a wireless device that controls and manages wireless clients. It serves as a bridge between
the client and the local area network and forwards frames between the wired and wireless interfaces.
Working Principle
Single BSS
The area covered by an AP is called a basic service set (BSS). Each BSS is identified by a basic service set identifier
(BSSID). The simplest WLAN comprises one BSS and all wireless clients reside in the same BSS. If these clients are
granted the same authority, they can communicate with each other. Figure 2 is the network of a single BSS. These clients
can communicate with each other and also can access hosts on the network. Clients within the same BSS communicate
with each other through a fat AP.
Figure 1-2 Single BSS Network

Configuration Guide Configuring Fat AP
Multiple ESS
Multiple extended service sets (ESS) topology is used in the case of multiple logical management domains or ESS. When
a mobile subscriber joins a fat AP, it can join an available ESS. Figure 3 is the network of multiple ESS.
Figure 1-3 Multiple ESS Network

Configuration Guide Configuring Fat AP
Normally, a fat AP can provide multiple logical ESS at the same time. The fat AP broadcasts the information of ESS by
beacon packets or probe responses and help clients choose an ESS to join according to the situation.
You can configure different ESS domains on the same fat AP and enable the fat AP to announce and accept users that
have passed authentication.
Single ESS, Multiple BSS (In Case of Multi-Radio)
Figure 4 shows application of more than one radio in a single ESS. All radios support the same service set (within one
ESS), but as they belong to different BSS, the logical coverage differs.
Figure 1-4 Single ESS, Multiple BSS Network
The network of single ESS and multiple BSS is also applicable when both 802.11a and 802.11b/g are supported. Figure 4
shows two clients connecting to two radios while in the same ESS but different BSS.
Protocol Specification
IEEE Std 802.11-2012
Default Configuration
Configuring WLAN
Command Function
Ruijie#config Enters global configuration mode.
Ruijie(config)#dot11 wlan 1 Enters WLAN configuration mode.

Configuration Guide Configuring Fat AP
Ruijie(dot11-wlan-config)# ssid fat_ap Configures SSID.
Ruijie(dot11-wlan-config)# vlan 1 Configures WLAN VLAN ID.
Ruijie(dot11-wlan-config)# broadcast-ssid Displays the configured SSID.
Configuring Dot11radio Sub-Interface
Command Function
Ruijie# config Enters global configuration mode.
Ruijie(config)# interface Dot11radio 1/0.1 Enters Dot11radio sub-interface configuration mode.
Ruijie(config-subif)# encapsulation dot1Q 2 Configures Dot11radio sub-interface VLAN ID 2
Configuring WLAN ID
Command Function
Ruijie# config Enters global configuration mode.
Ruijie(config)# interface Dot11radio 1/0 Enters Dot11radio main interface configuration mode.
Ruijie(config-if-Dot11radio 1/0)# wlan-id 1 Configures Dot11radio main interface to support WLAN
1.
Configuring Wireless Parameters
Command Function
Ruijie# config Enters global configuration mode.
Ruijie(config)# interface Dot11radio 1/0 Enters Dot11radio interface configuration mode.
Ruijie(config-if-Dot11radio 1/0)#channel 11 Configures radio channels.
Ruijie(config-if-Dot11radio 1/0)# antenna transmit 7 Configures the transmitting antenna.
Ruijie(config-if-Dot11radio 1/0)# antenna receive 7 Configures the receiving antenna.
Ruijie(config-if-Dot11radio 1/0)# beacon dtim-period 10 Sets the delivery traffic indication message (DTIM)
period.
Ruijie(config-if-Dot11radio 1/0)#beacon period 100 Sets beacon period.
Ruijie(config-if-Dot11radio 1/0)#radio-type 802.11b Configures the RF mode of the radio
Ruijie(config-if-Dot11radio 1/0)#country-code CNI Sets a country code.
Ruijie(config-if-Dot11radio 1/0)# fragment-threshold
1500
Sets a fragmentation threshold.
Ruijie(config-if-Dot11radio 1/0)# rts threshold 1500 Sets an RTS threshold.
Ruijie(config-if-Dot11radio 1/0)# chan-width 40 Sets the channel width to 40 MHz.
Ruijie(config-if-Dot11radio 1/0)# slottime long Sets long slot time.
Ruijie(config-if-Dot11radio 1/0)# short-preamble Sets the short preamble.
Ruijie(config-if-Dot11radio 1/0)# short-gi enable
chan-width 20
Enables short guard interval (GI) in the channel width of
20 MHz.

Configuration Guide Configuring Fat AP
Ruijie(config-if-Dot11radio 1/0)#response-rssi 10 Sets the received signal strength indicator (RSSI).
Ruijie(config-if-Dot11radio 1/0)#power local 20 Sets the value of power.
Ruijie(config-if-Dot11radio 1/0)# coverage-area-control
12
Sets the coverage area of wireless signals.
Ruijie(config-if-Dot11radio 1/0)#restries long 2 Sets the long retry limit.
Ruijie(config-if-Dot11radio 1/0)#restries short 6 Sets the short retry limit.
Ruijie(config-if-Dot11radio 1/0)#sta-limit 12 Sets STA limit.
Ruijie(config-if-Dot11radio 1/0)#sta-idle-time 900 Sets the STA idle time.
Ruijie(config-if-Dot11radio 1/0)#mcast_rate 130 Sets multicast rate.
Ruijie(config-if-Dot11radio 1/0)# 11bsupport enable Enables the AP to support 802.11b.
Ruijie(config-if-Dot11radio 1/0)# 11gsupport enable Enables the AP to support 802.11g.
Ruijie(config-if-Dot11radio 1/0)# 11nsupport enable Enables the AP to support 802.11n.
Ruijie(config-if-Dot11radio 1/0)# rate-set 11n
mcs-mandatory 10
Sets the modulation and coding scheme (MCS) index of
10 to mandatory on the 802.11n radio.
Ruijie(config-if-Dot11radio 1/0)# rate-set 11a disable 6 Sets the rate set on 802.11a.
Ruijie(config-if-Dot11radio 1/0)# rate-set 11g mandatory
54
Sets the rate set on 802.11g.
Displaying the Configuration
Command Function
show run Shows the configuration of the fat AP.
show dot11 wireless 1/0 Shows the related wireless parameters and configuration
of the wireless LAN card.
Configuration Examples
Centralized Management of 802.11n
Networking Requirements
The 2.4 GHz (802.11g, Radio1) network operates in Channel 6. The SSID is RUIJIE-2G. Parameter configuration is
required;
The 5 GHz (802.11a, Radio2) network operates in Channel 149. The SSID is RUIJIE-5G. Parameter configuration is
required.
Networking Topology
Figure 1-5 Network Topology of Fat AP

Configuration Guide Configuring Fat AP
Configuration Tips
N/A
Configuration Steps
Step 1: Configure WLAN
Ruijie#config
Ruijie(config)# dot11 wlan 1
Ruijie(dot11-wlan-config)# ssid RUIJIE-2G
Ruijie(dot11-wlan-config)# vlan 2
Ruijie#config
Ruijie(config)# dot11 wlan 2
Ruijie(dot11-wlan-config)# ssid RUIJIE-5G
Ruijie(dot11-wlan-config)# vlan 3
Step 2: Configure Dot11radio sub-interface
Ruijie(config)#interface vlan 1
Ruijie(config-subif)# encapsulation dot1Q 2
Ruijie(config)#interface vlan 2
Ruijie(config-subif)# encapsulation dot1Q 3

Configuration Guide Configuring Fat AP
Step 3: Configure WLAN ID
Ruijie(config-if-Dot11radio 1/0)# wlan-id 1
Ruijie(config-if-Dot11radio 2/0)# wlan-id 2
Step 4: Configure wireless parameters
Ruijie(config-if-Dot11radio 1/0)# channel 6
Ruijie(config-if-Dot11radio 1/0)# radio-type
802.11b
Ruijie(config-if-Dot11radio 1/0)# rts threshold 1500
Ruijie(config-if-Dot11radio 1/0)# antenna receive 7
Ruijie(config-if-Dot11radio 1/0)# antenna transmit 7
Ruijie(config-if-Dot11radio 1/0)# no short-preamble
Ruijie(config-if-Dot11radio 1/0)# short-gi enable chan-width 20
Ruijie(config-if-Dot11radio 1/0)# short-gi enable chan-width 40
Ruijie(config-if-Dot11radio 1/0)# beacon period 200
Ruijie(config-if-Dot11radio 1/0)# beacon dtim-period 2
Ruijie(config-if-Dot11radio 1/0)# power local 100
Ruijie(config-if-Dot11radio 1/0)# coverage-area-control 12
Ruijie(config-if-Dot11radio 1/0)# sta-limit 12
Ruijie(config-if-Dot11radio 1/0)# sta-idle-time 900
Ruijie(config-if-Dot11radio 1/0)# rate-set 11n mcs-mandatory 10
Ruijie(config-if-Dot11radio 1/0)# mcast_rate 130
Ruijie(config-if-Dot11radio 1/0)# response-rssi 10
Ruijie(config-if-Dot11radio 1/0)# coverage-rssi 50
Ruijie(config-if-Dot11radio 2/0)# channel 149
Ruijie(config-if-Dot11radio 2/0)# antenna receive 7
Ruijie(config-if-Dot11radio 2/0)# antenna transmit 7
Ruijie(config-if-Dot11radio 2/0)# no short-preamble
Ruijie(config-if-Dot11radio 2/0)# chan-width 40
Ruijie(config-if-Dot11radio 2/0)# slottime long
Verification
Ruijie#show run
!
dot11 wlan 1
vlan 2
broadcast-ssid
ssid RUIJIE-2G
!
dot11 wlan 2
vlan 3
broadcast-ssid
ssid RUIJIE-5G

Configuration Guide Configuring Fat AP
!
interface Dot11radio 1/0
no ip proxy-arp
rate-set 11b mandatory 1 2 5 11
rate-set 11b support 1 2 5 11
rate-set 11g support 6 9 12 18 24 36 48 54
rate-set 11a mandatory 6 12 24
rate-set 11a support 9 18 36 48 54
rate-set 11n mcs-support 15
rate-set 11n mcs-mandatory 10
station-role root-ap
short-gi enable chan-width 20
mac-mode fat
beacon period 200
beacon dtim-period 2
no short-preamble
rts threshold 1500
sta-limit 12
sta-idle-timeout 900
chan-width 20
radio-type 802.11b
antenna receive 7
antenna transmit 7
coverage-area-control 12
response-rssi 10
country-code CNI
channel 6
mcast_rate 130
coverage-rssi 50
wlan-id 1
!
interface Dot11radio 1/0.1
encapsulation dot1Q 2
mac-mode fat
mcast_rate 54
!
interface Dot11radio 2/0
no ip proxy-arp
rate-set 11b mandatory 1 2 5 11
rate-set 11g mandatory 1 2 5 11
rate-set 11g support 6 9 12 18 24 36 48 54
rate-set 11a mandatory 6 12 24
rate-set 11a support 9 18 36 48 54
rate-set 11n mcs-support 15

Configuration Guide Configuring Fat AP
station-role root-ap
mac-mode fat
no short-preamble
slottime long
chan-width 40
radio-type 802.11a
antenna receive 7
antenna transmit 7
country-code CNI
channel 149
mcast_rate 54
coverage-rssi 10
wlan-id 2
!
interface Dot11radio 2/0.1
encapsulation dot1Q 3
mac-mode fat
mcast_rate 54
!

Configuration Guide Configuring WLAN
Configuring WLAN
Configuring AMPDU software retransmission attempts
In a wireless network, AMPDU software retransmission is adopted to reduce the sub-frame loss. The more retransmission
attempts, the less the package loss. However excessive retransmission attempts increase the workload of air interfaces,
which reduce the immediacy of other packages. It is recommended to configure more retransmission attempts when
sub-frame loss frequently occurrs.
Command Function
Ruijie(config)# ap-config ap-name Enter the configuration mode of the specified AP.
Ruijie(config-ap)#ampdu-retries times radio radio_id Configure the AMPDU software retransmission times on
the designated AP.
times: AMPDU software retransmission times; within the
range from 1 to 10; by default the value is 4.
radio_id: RF port number.
Configuring AMPDU RTS Protection
AMPDU RTS protection is able to avoid aggregation conflict on air interface, to avoid resource waste. However, RTS
interaction consumes some resources of the air interface which brings about side-effect to the air interface in most
scenario. The function is disabled by default.
Command Function
Ruijie(config)# ap-config ap-name Enter the configuration mode of the specified AP.
Ruijie(config-ap)#[no] stbc radio radio_id Use this command to enable AMPDU RTS protection on
the designated AP.
Use the no form of this command to disable AMPDU RTS
protection on the designated AP.
radio_id: RF port number.
By default, this function is enabled.

Configuration Guide Configuring WLAN
One-Click WLAN configuration
To perform fast configuration on an unconfigured device, one-click WLAN configuration function is developed.
This function automatically makes the following configurations on the AC or the Fat AP:
(1) Vlan Division: On an AC, VLAN 1 is the AP’s VLAN, VLAN 2 is theSTA’s VLAN; On a Fat AP, VLAN 1 is STA’s VLAN.
(2) Address Pool:
On an AC, the network segment 192.168.1.0 is AP’s address pool; The network segment 192.168.2.0 is STA’s address
pool; By default, the IP address of VLAN 1 is 192.168.1.1 and the IP address of VLAN 2 is 192.168.2.1; The default
management IP address is 88.88.88.88.
On a Fat AP, the network segment 192.168.1.0 is STA’s address pool; The IP address of BVI 1 is 192.168.1.1.
(3) WLAN Configuration: Set the WLAN name to autowifi_XXXX, the last four digits is the same as that of the device’s
MAC address; Set the WLAN-ID to 1.
(4) Security: By default, WPA2 is used for encryption; the password is autowifi.
(5) WLAN-VLAN Mapping: On an AC, map WLAN-ID 1 to VLAN 1 in the ap-group default group; On a Fat AP encapsulate
VLAN 1 on the wireless interface and set the WLAN-ID to 1.
(6) Service: Enable DHCP service.
Command Function
[no] autowifi Use this command to enable one-click WLAN
configuration on the designated AP.
Use the no form of this command to disable one-click
WLAN configuration on the designated AP.
Configuring Received Ethernet Package Limit Per Time
You can improve the network performance by raising the received Ethernet package limit per time on an AP, at the cost of
reducing immediacy of key packages.With regard to applications which are multi-user current and immediacy sensitive,
such as electronic schoolbag, requiring only ordinary networks, you are recommended to decrease the value of received
Ethernet package limit per time to 25.
Command Function
Ruijie(config)# ap-config ap-name Enter the configuration mode of the specified AP.

Configuration Guide Configuring WLAN
Ruijie(config-ap)#eth-schd limit Configure received Ethernet package limit per time on
the designated AP.
The limit value range of the following APs: 1-256
AP220-I v1.0, AP220-I v1.1, AP220-SI v1.0
AP220-SI v1.1, AP220-E v2.03, AP220-E v2.0
AP220-SH v2.0, AP220-SH (C) v3.0, AP220-E(M) v2.0,
AP220-E(M) v2.20, AP620-H(C) v2.0, AP220-E(C) v3.0,
AP220-E(M) v2.3, AP220-E v2.99, AP620-H(C) v2.99,
AP220-SH(C) v2.99
AP220-E(C) v2.99, AP530-I v1.0:
The limit value range of other APs: 1-200.
The default limit value of the following APs: 256
AP220-I v1.0, AP220-I v1.1, AP220-SI v1.0, AP220-SI
v1.1, AP220-E v2.03, AP220-E v2.0, AP220-SH v2.0,
AP220-SH (C) v3.0, AP220-E(M) v2.0, AP220-E(M)
v2.20, AP620-H(C) v2.0, AP220-E(C) v3.0, AP220-E(M)
v2.3, AP220-E v2.99, AP620-H(C) v2.99, AP220-SH(C)
v2.99, AP220-E(C) v2.99, AP530-I v1.0.
The default limit value of the following APs : 180
AP320-I v1.0, AP220-E(M)-V2 v3.0, AP320-I v1.1,
AP3220 v1.0, AP220-E(P) v1.0, AP220-E(C) v4.0,
AP220-E(M)-V2 v3.9.
The default limit value of the following APs: 64
AP330-I v1.1, AP220-E(P) v2.0.
The default limit value of other APs: 25
Configuring Low-Density Parity-Check Code
As part of FEC (Forward Error Correction) technology, LDPC is a simple and easily-implemented linear error correcting
code developed in the early 1960s that used in the data transmission over noisy channels to improve the coding reliablity
and coding gain,so as to reduce the risk of data loss. However, only few terminals are incomparible with LDPC, featuring
package loss. This commands is used to enable or disable this function.
Command Function

Configuration Guide Configuring WLAN
Ruijie(config)# ap-config ap-name Enter the configuration mode of the specified AP.
Ruijie(config-ap)#[no] stbc radio radio_id Use this command to enable LDPC on the designated
AP.
Use the no form of this command to disable LDPC on the
designated AP.
radio_id: RF port number.
By default, this function is enabled.
Configuring 11n Space-Time Block Coding
Space–time block coding is a technique used in wireless communications to transmit multiple copies of a data stream
across a number of antennas at different time and to exploit the various received versions of the data to improve the
reliability of data-transfer. An obvious advantage of STBC is adopting simple maximum likelihood decoding to realize full
antenna gain. But some terminals may be incompatible with STBC. This commands is used to enable or disable this
function.
Command Function
Ruijie(config)# ap-config ap-name Enter the configuration mode of the specified AP.
Ruijie(config-ap)#[no] stbc radio radio_id Use this command to enable STBC on the designated
AP.
Use the no form of this command to disable STBC on the
designated AP.
radio_id: RF port number.
By default, this function is enabled.

Configuration Guide Configuring WLAN-VLAN Mapping
Configuring WLAN-VLAN Mapping
Understanding VLAN Groups
Overview
A VLAN group including multiple VLANs can be associated with a wireless LAN (WLAN) to form mapping between a
WLAN and N VLANs, so that VLANs can be flexibly assigned to STAs that access the WLAN.
VLANs are assigned to STA based on the idle situation of the address pool of the DHCP server.
The VLAN group function is used in the following network topology:
In the figure above, multiple STAs access the same WLAN. VLANs in the VLAN group associated with the
WLAN are assigned to the STAs. The STAs in the same WLAN can be assigned with the same or different

Configuration Guide Configuring WLAN-VLAN Mapping
VLANs.
To better understand the subsequent configuration process, learn about the following concepts:
VLAN Group
VLAN group: You can add multiple VLANs to one VLAN group. When STAs access a WLAN, VLANs in the VLAN group
associated with the WLAN are assigned to the STAs
VLAN Assignment Mode
VLAN assignment mode: VLANs in each VLAN group can be assigned based on the 802.1x assignment VLAN.
Working Principle
The process of assigning VLANs through 802.1x is as follows:
Before a user passes authentication, the VLAN that belongs to the user is the default VLAN of the VLAN group associated
with the current WLAN.
After the STA in the default VLAN is authenticated, the authentication server assigns a VLAN to the STA.
If the authentication server assigns a VLAN, packets sent by the STA are transmitted over the VLAN.
If the authentication server does not assign a VLAN to the STA, the packets from the STA are transmitted over the default
VLAN.
Protocol Specification
None
Default Configuration
The default VLAN group configuration is shown in the following table.
Feature Default Setting
VLAN group No VLAN group is created.
VLAN assignment mode VLAN assignment mode is unspecified and must be
manually configured.
Default VLAN in the VLAN group to be assigned VLAN assignment mode is unspecified and must be
manually configured.
List of the VLANs in the VLAN group The VLAN group has no VLAN. VLANs must be manually
added.
VLAN group associated with a WLAN The WLAN is not associated with any VLAN group.

Configuration Guide Configuring WLAN-VLAN Mapping
Configuring a VLAN Group
Use the following commands to create a VLAN group and associate it with a WLAN: (For details about these commands,
refer to command reference.)
Command Function
Ruijie# configure terminal Enters global configuration mode.
Ruijie(config)# vlan-group group-id Creates a VLAN group and enters VLAN group
configuration mode.
Ruijie(config-vlan-group)# vlan-assign-mode dot1x Configures the VLAN assignment mode for the VLAN
group.
Ruijie(config-vlan-group)#vlan-list vlan-list Configures the list of VLANs in the VLAN group.
The example below shows how to create VLAN group 100, specify the 802.1x-based VLAN assignment mode, add
VLANs 1-10 to the VLAN group, and set VLAN 1 as the default VLAN:
Ruijie(config)# vlan-group 100
Ruijie(config-vlan-group)# vlan-assign-mode dot1x
Ruijie(config-vlan-group)# vlan-list 1-10
Ruijie(config-vlan-group)# default-vlan 1
Ruijie(config-vlan-group)# end
You can create a maximum of 128 VLAN groups.
You can added a maximum of 128 VLANs to a VLAN group.
Mapping a WLAN to a VLAN Group
On an AP, use the following commands to map a WLAN to a VLAN group: (For details about these commands, refer to
command reference.)
Command Function
Ruijie# configure terminal Enters global configuration mode.
Ruijie(config)# dot11 wlan wlan-id Creates a WLAN and enter the WLAN configuration
mode.
Ruijie(dot11-wlan-config)# vlan-group group-id Maps a WLAN to the VLAN group.
Ruijie(dot11-wlan-config)# end Exits from the WLAN configuration mode.
Ruijie(config)# interface interface-name Enters WLAN sub-interface configuration mode.
Ruijie(config-subif)# encapsulation dot1Q group
group-id
Configures VLAN group encapsulation for the
sub-interface.
Ruijie(config-subif)# end Exits from WLAN configuration mode.
The example below shows how to map WLAN 100 to VLAN group 10 on a fat AP: