Browan BW2251 User manual

Dual Radio 802.11a/n+b/g/n Outdoor
Access Point
BW2251
User’s Guide v1.0

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Copyright
© 2002-2013 BROWAN COMMUNICATIONS.
This USER GUIDE is copyrighted with all rights reserved. No part of this publication may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in
any form by any means without the written permission of BROWAN.
Notice
BROWAN reserves the right to change specifications without prior notice.
While the information in this document has been compiled with great care, it may not be deemed an
assurance of product characteristics. BROWAN shall be liable only to the degree specified in the
terms of sale and delivery.
The reproduction and distribution of the documentation and software supplied with this product and
the use of its contents is subject to written authorization from BROWAN.
Trademarks
The product described in this book is a licensed product of BROWAN.
Microsoft, Windows 95, Windows 98, Windows Millennium, Windows NT, Windows 2000, Windows
XP, Windows 7,and MS-DOS are registered trademarks of the Microsoft Corporation.
Novell is a registered trademark of Novell, Inc.
MacOS is a registered trademark of Apple Computer, Inc.
Java is a trademark of Sun Microsystems, Inc.
Wi-Fi is a registered trademark of Wi-Fi Alliance.
All other brand and product names are trademarks or registered trademarks of their respective
holders.

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FederalCommunicationCommissionInterferenceStatement
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
IMPORTANTNOTE:
RadiationExposureStatement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with minimum distance 20cm between the radiator &
your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or
transmitter.
Country Code selection feature to be disabled for products marketed to the US/CANADA
Operations in the 5.15-5.25GHz / 5.470 ~ 5.725GHz band are restricted to indoor usage only.
The band from 5600-5650MHz will be disabled by the software during the manufacturing and cannot
be changed by the end user.
This device meets all the other requirements specified in Part 15E, Section 15.407 of the FCC Rules.
Professionalinstallationinstruction
1. Installation personal:
This product is designed for specific application and needs to be installed by a qualified personal who
has RF and related rule knowledge. The general user shall not attempt to install or change the setting.
2. Installation location:
The product shall be installed at a location where the radiating antenna can be kept 20 cm from
nearby person in normal operation condition to meet regulatory RF exposure requirement.
3. External antenna:
Use only the antennas which have been approved by the applicant.The non-approved antenna(s)
may produce unwanted spurious or excessive RF transmitting power which may lead to the violation
of FCC limit and is prohibited.
4. Installation procedure:
Please refer to user’s manual for the detail.
5. Warning:
Please carefully select the installation position and make sure that the final output power does not
exceed the limit set force in relevant rules. The violation of the rule could lead to serious federal
penalty.
TerminalDopplerWeatherRadarInterference
Any installation of this product within 35km of a Terminal Doppler Weather Radar (TDWR) location
must be separated by at least 30MHz (center-to-center) from the TDWR operating frequency. A
database of TDWR locations and their center frequencies can be found at the following URL:
http://www.spectrumbridge.com/udia/home.aspx. The installer is encouraged to register installations
in the 5470-5725 frequency band at the same URL, where registration instructions are provided.

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Copyright.............................................................................................................................................1
Notice ..................................................................................................................................................1
Trademarks .........................................................................................................................................1
Federal Communication Commission Interference Statement ...........................................................2
CONTENTS ............................................................................................................................................3
ABOUT THIS GUIDE..............................................................................................................................6
Purpose...............................................................................................................................................6
Prerequisite Skills and Knowledge......................................................................................................6
Conventions Used in this Document...................................................................................................6
CHAPTER 1 – INTRODUCTION............................................................................................................7
The Product Package..........................................................................................................................7
Product Overview................................................................................................................................7
Features Highlight...............................................................................................................................8
CHAPTER 2 – HARDWARE INSTALLATION.......................................................................................9
Hardware Introduction.........................................................................................................................9
General Overview............................................................................................................................9
I/O Interface.....................................................................................................................................9
Bottom Cover.................................................................................................................................10
Back label ......................................................................................................................................11
Hardware Installation.........................................................................................................................12
LAN port with waterproof connector ..............................................................................................12
Antenna connection and grounding...............................................................................................13
Waterproof tape.............................................................................................................................14
Mounting kit....................................................................................................................................15
Connect to the Power Source and Local Network ............................................................................16
Access to your access point..............................................................................................................16
Configuration..................................................................................................................................16
CHAPTER 3 – REFERENCE MANUAL----AP MODE.........................................................................18
Web Interface....................................................................................................................................18
Status ................................................................................................................................................19
Status | Device Status ...................................................................................................................19
Status | Wireless Status.................................................................................................................21
Status | Dynamic Bridge Status.....................................................................................................21
Status | Interface Statistics ............................................................................................................22
Network .............................................................................................................................................23
Network | Interface.........................................................................................................................23
Network | Bridge ............................................................................................................................24
Network | Attack Countermeasure.................................................................................................25
Network | RADIUS Server .............................................................................................................26
Network | RADIUS Properties........................................................................................................30
Network | DHCP.............................................................................................................................31
Network | DHCP Lease..................................................................................................................35
Network | Link Integrity ..................................................................................................................35
Network | WAPI Certificate Upload................................................................................................37
Network | Tr069 Settings ...............................................................................................................37
Wireless.............................................................................................................................................40
Wireless | Basic .............................................................................................................................40
Wireless | Advanced......................................................................................................................46
Contents

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Wireless | WEP..............................................................................................................................55
Wireless | MAC ACL......................................................................................................................57
Wireless | Layer 2 Isolation(Inter-BSS)..........................................................................................59
Wireless | Neighbor List.................................................................................................................61
Wireless | Priority 5G.....................................................................................................................62
User...................................................................................................................................................64
User | Users...................................................................................................................................64
User | Station Supervision.............................................................................................................66
Services.............................................................................................................................................67
Services | Telnet............................................................................................................................67
Services | SNMP............................................................................................................................68
Services | Time..............................................................................................................................69
Services | NTP...............................................................................................................................69
Services | Watchdog......................................................................................................................72
System...............................................................................................................................................73
System | Administrator...................................................................................................................73
System | System Log.....................................................................................................................74
System | System Mode..................................................................................................................75
System | System Info.....................................................................................................................76
System | Configuration ..................................................................................................................77
System | Reset and Reboot...........................................................................................................78
System | Local Upgrade ................................................................................................................79
System | TFTP Upgrade................................................................................................................80
System | Location Settings............................................................................................................81
CHAPTER 4 – REFERENCE MANUAL----AP-ROUTER MODE.........................................................82
Web Interface....................................................................................................................................82
Status ................................................................................................................................................84
Status | Device Status ...................................................................................................................84
Status | Wireless Status.................................................................................................................85
Status | Interface Statistics ............................................................................................................85
Network .............................................................................................................................................87
Network | Interface.........................................................................................................................87
Network | PPPoE...........................................................................................................................89
Network | L2TP..............................................................................................................................90
Network | RADIUS Server .............................................................................................................92
Network | RADIUS Properties........................................................................................................96
Network | DNS...............................................................................................................................98
Network | DHCP.............................................................................................................................99
Network | DHCP Lease................................................................................................................102
Network | Static Route.................................................................................................................102
Network | Attack Countermeasure...............................................................................................103
Network | Link Integrity ................................................................................................................103
Network | Tr069 Settings .............................................................................................................105
Wireless...........................................................................................................................................108
Wireless | Basic ...........................................................................................................................108
Wireless | Advanced....................................................................................................................114
Wireless | WEP............................................................................................................................121
Wireless | MAC ACL....................................................................................................................123
User.................................................................................................................................................126
User | Users.................................................................................................................................126
User | Station Supervision...........................................................................................................128
User | User ACL...........................................................................................................................129
User | Walled Garden ..................................................................................................................131
User | WISP.................................................................................................................................132
User | Start Page .........................................................................................................................134
User | Customized UAM ..............................................................................................................135
User | Pages................................................................................................................................139

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User | Upload...............................................................................................................................141
User | HTTP Headers ..................................................................................................................141
User | Remote Authentication......................................................................................................142
Services...........................................................................................................................................143
Services | Telnet..........................................................................................................................143
Services | SNMP..........................................................................................................................143
Services | NTP.............................................................................................................................144
Services | Time............................................................................................................................147
Services | Watchdog....................................................................................................................147
System.............................................................................................................................................149
System | Administrator.................................................................................................................149
System | System Log...................................................................................................................150
System | System Mode................................................................................................................151
System | System Info...................................................................................................................152
System | Configuration ................................................................................................................153
System | Reset and Reboot.........................................................................................................154
System | Local Upgrade ..............................................................................................................155
System | TFTP Upgrade..............................................................................................................156
System | Location Settings..........................................................................................................157
CHAPTER 5 – USER PAGES (BASED ON XSL)..............................................................................158
User Pages Overview......................................................................................................................158
Welcome Page.............................................................................................................................158
Login Page...................................................................................................................................158
Logout Page.................................................................................................................................159
Help Page....................................................................................................................................160
Unauthorized Page......................................................................................................................161
Example for External Pages........................................................................................................161
Example for Internal Pages .........................................................................................................164
Extended UAM................................................................................................................................167
Parameters Sent to WAS.............................................................................................................169
CHAPTER 6 – CUSTOMIZED USER PAGE (HTML)........................................................................173
Set up your customized user page..................................................................................................173
FAQ.................................................................................................................................................178
APPENDIX..........................................................................................................................................179
A) Specification ...............................................................................................................................179
B) Factory Defaults for the BW2251 ...............................................................................................180
Network Interface Configuration Settings....................................................................................180
User Settings ...............................................................................................................................182
System Settings...........................................................................................................................182
C) Location ID and ISO Country Codes..........................................................................................183

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Purpose
This document provides information and procedures on hardware installation, setup, configuration,
and management of the high performance Outdoor Access Point BW2251.
Prerequisite Skills and Knowledge
To use this document effectively, you should have a working knowledge of Local Area Networking
(LAN) concepts and wireless Internet access infrastructures. In addition, you should be familiar with
the following:
Hardware installers should have a working knowledge of basic electronics and mechanical
assembly, and should understand related local building codes.
Network administrators should have a solid understanding of software installation procedures for
network operating systems under Microsoft Windows 95, 98, Millennium, 2000, NT, and Windows
XP and general networking operations and troubleshooting knowledge.
Conventions Used in this Document
The following typographic conventions and symbols are used throughout this document:
Very important information. Failure to observe this may result in damage.
Important information that should be observed.
Additional information that may be helpful but which is not required.
bold Menu commands, buttons and input fields are displayed in bold
code File names, directory names, form names, and system-generated output
such as error messages are displayed in constant-width type
<value> Placeholder for certain values, e.g. user inputs
[value] Input field format, limitations, and/or restrictions.
About this Guide

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Thank you for choosing the Outdoor Access Point BW2251.
The BW2251 is fully compliant to 802.11a/b/g/n standard and provides the flexibility of different kinds
of 802.11n, 802.11a, 802.11g or 802.11b clients access to the BW2251. With the high speed data
rate(Max. 300Mbps) and security, feature rich software functionality, it provides the high performance
wireless connection for the SMB, enterprise, and hotspot of public area.
The Product Package
The product comes with the following:
Item Description Q’ty
1 Dual Radio 802.11a/n+b/g/n Outdoor Access Point (model: BW2251) 1
2 Mounting kit(1 unit) 1
3 Waterproof RJ-45 connector 1
4 Antenna (optional) N/A
5 External power supply (optional, 48VDC Power adapter+PoE injector(BE3013) N/A
Product Overview
Flexibility and high performance
BW2251 is a high-performance and feature-rich Outdoor Access Point. It provides high quality
connectivity for Wi-Fi networks designed to support large hotspots. The platform providing powerful
hardware processing ability and maximize its service coverage for deploying outdoor Wi-Fi networks.
zSupport IEEE802.11a/b/g/n Wi-Fi standard.
zWireless AP router mode: NAT, Different IP subnet per BSSID, Support DHCP server or client.
zFAT AP with AP or AP Router mode configuration.
zPoint to point or smart point to multi-point bridge.
Secure and reliable wireless networking
BW2251 supports and meets industry security requirement of wide area networking professionals for
secured wireless network:
zSupports VLAN, up to 16 VLAN ID
zIEEE 802.1x/EAP with password, certificates and SIM card
z64bits/128bits static and dynamic WEP encryption
zSupports Wi-Fi Protected Access (WPA/WPA2) with AES and TKIP support
zLayer 2 Isolation for preventing snooping on the same BSS
zMAC address filtering (ACL) for preventing illegal attacking from Internet
zHidden SSID broadcast to prevent illegal users connection
zBuilt-in Web login authentication (UAM, AP Router mode)
Strong Anti-interference
Dynamic Channel Allocation (DCA) solution automatically selects optimal operational frequency
channel during power up and the periodically monitors the environment and adjusts for best
operational channel. DCA enhances BW2251 performance and provide continuous coverage under
high AP density wireless network environment.
Chapter 1 – Introduction

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Multiple BSSID “Virtual AP” Technology
Supports up to16 BSSID and each can be configured independently to support range of security
policies, authentication model, RADIUS servers and VLAN IDs. Each BSSID also can be set different
priority based on 802.1p tag or 802.11e EDCA which enables WLAN client device to access wireless
link QoS capabilities.
Ease Installation and Deployment
Power option includes an integrated IEEE 802.3at Power-over-Ethernet port enables effortless
deployment in various environments.
Easy and Secure Remote Management
BW2251 supports secure remote management through HTTPS, CLISH, SNMP and TR-069(DMS)
management.
zSecure management via HTTPs, CLISH, SNMP
zSupport TR-069 protocol
zDetail client survey and site survey
zRemote firmware update via WEB UI, BROWAN DMS server
zBackup/Restore configuration file
zCommand Line Interface(CLI) with optional SSH
zSimple Network Management Protocol(V1,V2)
Features Highlight
Support IEEE802.11a/b/g/n Wi-Fi standard.
Superior Wireless Bridging Capability (PtP, PtMP)
Support up to 16 BSSID – “Virtual AP”
Wi-Fi Protected Access (WPA and WPA2) with TKIP or AES
Wired Equivalent Privacy (WEP) using static or dynamic key of 64 or 128 bits
Anti-Interference with Dynamic Channel Allocation (DCA)
Hidden SSID for blocking illegal users accessing
Supports 802.1x authentication using EAP-TLS, EAP-TTLS, PEAP, and SIM
MAC Access Control List (ACL)
Layer2 Isolation for Peer to Peer client access protection
Built-in Web user login Authentication
DHCP server, DHCP client
Support up to 16 VLAN ID
RADIUS authentication
Wireless Quality of Service
Backup/Restore configuration settings
System Log, Save/Send System Log to remote log server with different log levels
NTP for clock Synchronization
Remote firmware upgrade via HTTP
Remote secure management by HTTPS and SNMP
Software watchdog supported

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Hardware Introduction
General Overview
BW2251 equips with an aluminum-alloy frame-resistant with waterproof design housing is able to
operate even under extreme weather conditions.
Figure 1 – BW2251 General View
I/O Interface
Antenna(2.4G) ETH/PoE Console Antenna(2.4G)
Antenna(5G) Antenna(5G)
Figure 2 – BW2251 I/O interface
Chapter 2 – Hardware Installation

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Bottom Cover
The Bottom Cover of the BW2251 contains:
Figure 3 –Bottom Cover of the BW2251
Item Connector Description
1 Console For console connection(RJ-45 interface)
2 ETH/PoE Connecting RJ-45 cable to Ethenet network and for PoE power supply.
3 Ant. connector WLAN 1(2.4G) N type antenna connector(mark with ANT1)
4 Ant. connector WLAN 1(2.4G) N type antenna connector(mark with ANT2)
5 Grounding Grounding contact. It is highly recommend to connect the grounding system
in order protecting surge and lightning damage.
6 Reset button Reboot or Reset device
Press reset button to reboot device or keep press for more than 5 seconds
to reset factory default configuration.
7 Air convection
Air convection hole for air convection and prevent steam accumulate within
AP
8 Ant. connector WLAN 2(5G) N type antenna connector(mark with 5G)
9 Ant. connector WLAN 2(5G) N type antenna connector(mark with 5G)

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Back label
The back label format as below.
Figure 4 – back label
1. Back Label with MAC address and S/N, model name, certification…etc.
2. MAC address. The label shows the WLAN interface MAC address of the device.
WLAN 1:the radio MAC for 2.4G
WLAN 2:the radio MAC for 5G
The LAN MAC= WLAN 1 MAC + 1(Hex, AP mode)
The WAN MAC=WLAN 1 MAC + 1(Hex, AP router mode)
3. Serial Number of the device.

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Hardware Installation
LAN port with waterproof connector
The waterproof connector of LAN port is to lock to the corresponding contact on the device in order to
be waterproof. Following the assemble instruction shown as below. It is recommend to use
shielding(STP) RJ-45 cable to be grounding and shielding.
①strip cable sheath
②insert the screw nut into the
housing
③insert the sealing into clip and
housing
④insert the cable all the way
through
⑤crimp the RJ45 plug
⑥insert the RJ45 plug into the
housing, then secure the sealing
nut tightly
Figure 5 – Waterproof connector assembly

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Rotate the nut on the Ethernet contact until it has firmly locked to the RJ-45 connector on the device.
Failing to do this may result in water leakage and poor contact.
Figure 6 – secure the waterproof RJ45 connector
Antenna connection and grounding
The BW2251 is equipped with N type connector for
outdoor antenna connection. Connecting the N type
antenna to the connector as shown on the right.
Attach the grounding wire to be grounding to
protect from the lightning damage. It is recommend
that the length of grounding wire less than 3 meter
and the cross-section area should be no smaller
than 6mm2.
Figure 7 – secure antenna and grounding cable
Connecting antenna before power on the device. Failing to do this may damage the
device.

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Waterproof tape
The waterproof tape protect device from water leakage. Use the enclosed waterproof tape to wrap
around the base of N type and RJ-45 connector which shown as following.
Figure 8 – waterproof tape
The BW2251 equipped with aluminum housing already IP-68 rated waterproof.

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Mounting kit
Step 1 Assemble the supplied mount kit as shown below. The mount kit is made of two parts,
mast holder and base. Assemble the mast holder first and combine these two parts. All the
screws and nuts must be locked tightly and securely.
Figure 9 – mount kit assembly
Step 2 Assemble the base of bracket on the back of the device and mount on the mast. All screws
and nuts must be locked tightly and securely at this time also.
Figure 10 – mounting to the device and mast

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Connect to the Power Source and Local Network
BW2251 support IEEE 802.3at Power-over-Ethernet. BROWAN also provide 48VDC power supply
and PoE injector(BE3013) for the PoE functionality.
The 48VDC power supply and PoE injector(BE3013) is optional which is non-
compliant to 802.3at. Please contact with BROWAN for the requirement.
Use the BROWAN BE3013 PoE injector+DC 48V power adapter:
Step 1 Place the Access Point on a flat work surface or mount it on the mast.
Use the enclosed mount kit to mount BW2251 on the mast.
Step 2 Connect DC 48V power supply to PoE injector DC jack.
Step 3 Connect the Ethernet cable from the BW2251 to PoE injector “P+data” out port.
Step 4 Connect Ethernet cable from PoE injector “data in” port to the computer or through LAN
switch connect to your local network. Please refer to the figure shown as below.
Figure 11 – Connecting BW2251 to Power source and network by PoE
Access to your access point
Configuration
Now it is ready to access and configure your access point. Open web browser and enter ip address.
The default ip address for your new access point is:
IP 192.168.2.2 subnet 255.255.255.0

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Step 1 Configure your PC with a static IP address on the 192.168.2.x subnet with mask
255.255.255.0. Connect the BW2251 into the same physical network as your PC.
Open the Web browser and type the default IP address of the BW2251:
https://192.168.2.2/a.rg
Step 2 Enter the BW2251 administrator login details to access the Web management.
The default administrator log on settings for all access point interfaces are:
User Name: admin
Password: admin01
Continuously clicking Yes to proceed.
Figure 12 – Security alert
Figure 13 – login page
Step 3 After successful administrator log on you will see the main page of the BW2251 Web
interface:
Figure 14 – Web interface Management Menu
Now you are enabled to perform your configuration.

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This chapter describes the configuration of the BW2251 which works in AP mode using the Web
Interface.
The BW2251 Web Interface in AP mode is different from that in AP-Router mode. To
change your BW2251 to AP-Router mode, please refer to System | System Mode .
For the detailed configuration of BW2251 working in AP-Router mode, please refer to
the next chapter: Chapter 4 – Reference Manual----AP-Router Mode
The web management main menu consists of the following sub menus:
Status – device status showing
Network – device settings affecting networking
Wireless – device settings related to the wireless part of the BW2251
User –device settings affecting the user interface
Services – networking service settings of the BW2251
System – device system settings directly applicable to the BW2251
Exit – click exit and leave the web management then close your web-browser window.
Web Interface
The main web management menu is displayed at the top of the page after successfully logging into
the system (see the figure below). From this menu all essential configuration pages are accessed.
Figure 15 – Main Configuration Management Menu
The web management menu has the following structure:
Status
Device Status – show the status related with the whole device
Wireless Status – show the status of the two radios
Dynamic Bridge Status – show the dynamic bridge status of the two radios
Interface Statistics – show the status of each network interface
Network
Interface – TCP/IP settings of BW2251 LAN (Bridge) port
Bridge – 802.1d settings of BW2251 bridge port
Attack Countermeasure – Anti-attack settings for protecting BW2251
RADIUS Server – specify the accounting/authentication RADIUS server which is used by
802.1x or WPA
RADIUS Properties – specify the settings of the RADIUS properties, includes NAS server ID,
RADIUS Retries and other settings
DHCP – specify the settings of DHCP server service
DHCP lease – display the DHCP lease information
Link Integrity – specify the status and settings of link integrity feature.
Chapter 3 – Reference Manual----AP Mode

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WAPI Certificate Upload – configure the WAPI certificate
Tr069 settings – configure the remote management through TR069 ACS server(BROWAN
DMS server)
Wireless
Basic – specify the basic settings related with wireless part
Advance – specify the settings of multiple BSSID or Bridge
WEP – specify the WEP settings related with static WEP encryption
MAC ACL – MAC ACL settings for BW2251
Layer 2 Isolation – Inter-BSS layer2 Isolation settings of BW2251
Neighbor list – scan the neighbor AP of 2.4G/5G
Priority 5G – configure the 5G priority
User
Users – show the connected users’ statistics list and log-out user function
Station Supervision – monitor station availability with ARP-pings settings
Services
Telnet – Telnet/SSH service
SNMP – SNMP service
Time – manually set time
NTP – NTP settings of BW2251
Watchdog – Enable the S/W or H/W watchdog of BW2251
System
Administrator – set access permission to your BW2251
System Log – check the system log locally or specify address where to send system log file
System Mode – specify whether the BW2251 works in AP mode or in AP router mode
System Info – specify some device related information for BW2251
Configuration – system configuration utilities, including Backup/Upload configuration
Reset & Reboot – reboot device and restore systems to factory default
Local Upgrade – upgrade firmware from local PC
TFTP Upgrade –upgrade firmware from tftp server
Location settings – define AP location(Longitude/Latitude)
In the following sections, short references for all menu items are presented.
Status
Status | Device Status
The Device Status page shows important information of system status and network configuration for
the BW2251.