ZyXEL Communications P-2612HNU-Fx Support Notes
  1. Manuals
  2. Brands
  3. ZyXEL Communications Manuals
  4. Wireless Router
  5. P-2612HNU-Fx Series
  6. Support notes
ZyXEL Communications P-2612HNU-Fx Support Notes

ZyXEL Communications P-2612HNU-Fx Support Notes

Dual wan adsl2+ voip iad with 802.11n wireless
Hide thumbs Also See for P-2612HNU-Fx:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
P2612HNU Fx Support Notes
P-2612HNU-Fx
Dual WAN ADSL2+ VoIP IAD with 802.11n Wireless
(Green Product)
Support Notes
January 2010
Edition 1.0
All contents copyright (c) 2010 ZyXEL Communications Corporation.
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the P-2612HNU-Fx and is the answer not in the manual?

Questions and answers

Related Manuals for ZyXEL Communications P-2612HNU-Fx

Summary of Contents for ZyXEL Communications P-2612HNU-Fx

  • Page 1 P2612HNU Fx Support Notes P-2612HNU-Fx Dual WAN ADSL2+ VoIP IAD with 802.11n Wireless (Green Product) Support Notes January 2010 Edition 1.0 All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 2: Table Of Contents

    Maintenance Procedure ................71 Product FAQ ....................74 Will the device work with my Internet connection? ........74 Why do I need to use P-2612HNU-Fx? ............74 What is PPPoE? ....................74 Does the device support PPPoE? ..............75 How do I know I am using PPPoE?...............75 Why does my provider use PPPoE?..............75...
  • Page 3 What are potential factors that may causes interference among WLAN products? .....................87 What's the difference between a WLAN and a WWAN?......88 What is Ad Hoc mode?.................88 What is Infrastructure mode?..............88 How many Access Points are required in a given area?......89 All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 4 What is the difference between No authentication required, No access allowed and Authentication required? ............93 What is AAA?....................94 What is RADIUS? ..................94 What is WPA?....................94 What is WPA-PSK? ..................95 What is WPA2?.....................95 All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 5: General Application Notes

    P2612HNU Fx Support Notes General Application Notes P-2612HNU-Fx support note is applied to both P-2612HNU-F1, and P-2612HNU-F3 models. The differences between these two models are: F1 supports Annex A, and F3 supports Annex B. Ø For F1, the DSL line connector is RJ-11, and for F3, the DSL line connector is Ø...
  • Page 6 ATM network without changing the CPE. Ÿ Quality of Service (QoS) The P-2612HNU-Fx series comes equipped with both ATM and IP QoS features. The service provider can base its QoS policy on the service plan to freely design and prioritize mission-critical services such as IPTV and VoIP. This increases the network efficiency and productivity to enable the service provider to bring real multi-play into residential user’...
  • Page 7 The ZyXEL device provides shared Internet Access by connecting the DSL port to the DSL or Modem jack on a splitter or your telephone jack. If you prefer not to use a DSL All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 8: Internet Connection

    WAN port to the broadband modem or router. This way, you can access the Internet via an Ethernet connection and still use the QoS, Firewall and VoIP functions of the ZyXEL Device. The P-2612HNU-Fx serves as a home gateway, providing high speed Internet service and High Quality IPTV service.
  • Page 9 Windows CD or disk. When the drivers are updated, you will be asked if you want to restart the PC. Make sure that your Device is powered on before answering “Yes” to the prompt. Repeat the aforementioned steps for each Windows PC on your network. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 10: Access Application Notes

    Please enter the LAN IP address of the Prestige router in the URL location to retrieve the web screen from the device. The default LAN IP of the device is 192.168.1.1. See the example below. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 11 Log into the P-2612HNU-Fx via Web GUI. Set up your PC/NB IP address to be a DHCP client. Connect to a LAN port of P-2612HNU-Fx via RJ45 Ethernet cable and open your Web browser. The default IP of P-2612HNU-Fx is 192.168.1.1 Username/password = admin/1234 or user/1234.

  • Page 12: Application Scenario

    In the ADSL WAN mode, we will set up 2 WAN interfaces for Data/IPTV, and VoIP services. Based on the current implementation, the IPTV service will go through the Data WAN interface in routing mode. Select “ADSL (ATM)” mode to create the Data WAN interface. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 13 Please select “EoA” for PPPoE, IPoE, and Bridge DSL Link Type. Select “Default mode” in the Connection mode setting. Please set“Encapsulation Mode” to”UBR with PCR” for Data and IPTV service for medium priority. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 14 Please repeat step 1-5 to create the second Layer2 Interface. Select “CBR with cell rate 170” this time. After completion, you will see two Layer2 interfaces as shown in the following screen shot. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 15 Please note that the device has automatically assigned Layer2 interfaces for the 2 PVCs just created. They are nas1, and nas2 by order of creation. Go to Network > WAN > Internet Connection and select “Add”. Choose nas1 for Data/IPTV WAN internet connection. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 16 Data/IPTV WAN interface will obtain the IP either dynamically, or from the DHCP server. The P-2612HNU-Fx series offers a choice of PPPoE, IPoE or Bridge WAN service types. 12. Select “Obtain an IP address automatically” option to get the IP dynamically from the DHCP server.
  • Page 17 The primary reason is that NAT service is enabled on the Data_IPTV WAN interface. For the IGMP Multicast and NAT service, there will be a detailed introduction following the WAN configuration. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 18 P2612HNU Fx Support Notes 15. Select “Obtain DNS info dynamically”. 16. Proceed to ”Next” and save the configuration. Upon completion, you will see the Data_IPTV WAN internet connection set up. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 19 For the VoIP server, we will use IPoE WAN service type with Static IP assignment to demonstrate how to configure static IP. 18. Select “nas2” as the VoIP WAN interface, and “Next”. 19. Select “IPoE” as the WAN service type, and assign VoIP as the WAN internet All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 20 21. Select the WAN Interface “VoIP/nas2” as the default gateway for VoIP WAN interface. Since Static IP is manually configured for the VoIP WAN interface, DNS server IP address MUST also be configured manually in the current All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 21 P2612HNU Fx Support Notes implementation. 22. Click “Next” and save the configuration. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 22: Ip Multicast Introduction

    IGMP to report their multicast group membership to any immediate-neighbor multicast routers, so the multicast routers can decide if a multicast packet needs to be forwarded. At the start-up, the Prestige queries all directly connect networks to gather group membership. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 23: Nat Introduction

    If you do not define any servers, the NAT offers the additional benefit of firewall protection. In such case, all incoming connections to your network will be filtered out by the CPE, thus preventing intruders from probing your network. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 24 1. One to One In One-to-One mode, the Prestige maps one ILA to one IGA. 2. Many to One In Many-to-One mode, the CPE maps multiple ILAs to one IGA. 3. Many to Many Overload All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 25 ILA2---->IGA1 Outgoing ILA1---->IGA1 ILA2---->IGA2 Many-to-Many ILA3---->IGA1 Outgoing Overload ILA4---->IGA2 ILA1---->IGA1 Many-to-Many ILA2---->IGA3 Overload ILA3---->IGA2 Outgoing (Allocate ILA4---->IGA4 Connections) Server 1 IP<----IGA1 Server Incoming Server 2 IP<----IGA1 Port numbers for some services: • All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 26: Data Service Ftp Downloading Scenario

    NAT provides system administrators with an easy solution to create a private IP network for security and IP management. Powered by NAT technology, the P-2612HNU-Fx supports complete NAT mapping and most popular Internet All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 27: Port Forwarding Configuration

    FTP server installed behind the CPE with an IP assigned by the local DHCP server (192.168.1.33). How should we configure the P-2612HNU-Fx, so that the notebook at the WAN site can access the FTP server? The following step-by-step guide illustrates the setup.

  • Page 28: Voip Configuration

    With the account information supplied by your ITSP provider at hand you may start the setup procedure. Go to VoIP>SIP, click on “SIP Service Provider” and enter the SIP server IP address supplied by your SIP service provider. Leave the Advanced setting unchanged. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 29 Click on the “SIP Account” tab to configure the SIP account. Choose “SIP1” and Enable the SIP account. Fill in the SIP number and the account username and password. Leave the Advanced setting unchanged. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 30 P2612HNU Fx Support Notes After the SIP account is properly configured, the P-2612HNU-Fx will automatically register the configured SIP account with assigned SIP server. You can also go to the Status page, scroll down to the SIP account status section, and click “Register” to register the SIP account manually.

  • Page 31: Qos Service

    VoIP. 1. Click Advanced > QoS > General, and activate the QoS service, then set the Maximum Upstream bandwidth value to 509 to fully utilize WAN bandwidth. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 32 2. Click on “Queue Setup”. 3. You can “Add” or “Edit” the Queues displayed on the screen shot. VoIP and FTP download are in the default setting. 4. The Priority and Weight can be adjusted. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 33 5. Click on the “Class Setup” tab to set up QoS Classifiers. 6. Configure the first Class rule for “VoIP” as follows: 7. Enable the From Interface “Local”, and Ether Type criteria and set them accordingly. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 34 Now we have completed the Class rule for VoIP service, and the next step is to configure the second class rule for Data_IPTV service. 10. Click “Add” to add the second class rule. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 35 12. Enable the “From Interface” criteria and set it to LAN”. 13. To make sure the Class rules are correctly configured. You can go to Advanced>QoS>Monitor. 14. Select 5 sec as the refresh interval time, and monitor the ZyXEL device’ s All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 36: Wireless Application Notes

    P2612HNU Fx Support Notes QoS packet statistics. Wireless Application Notes All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 37: Wireless Introduction

    Initialization Vector (IV) is used to augment the shared WEP key (secret key) and produce a different RC4 key for each packet. The IV is also All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 38 Setting up the Access Point Most access points and clients have the ability to hold up to the 4 WEP keys simultaneously. You need to specify one of the 4 keys as default Key for data All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 39 802.11 Wireless LAN and ADSL LRE (Long Reach Ethernet), in order to provide a means of authenticating and authorizing devices attached to a LAN port that has point-to-point connection characteristics, and of preventing access to that port in case of the failure of authentication process. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 40 Some Wireless AP (i.e. ZyXEL Wireless AP) have built-in authentication server, therefore the external RADIUS authentication server is not needed. In this case, the Wireless AP is acted as both authenticator and authentication server. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 41 The port transmits and receives the normal traffic without the 802.1x-based authentication of client. This is the default port control setting. While the AP is setup as Force Authorized, All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 42 This method is referred to as the EAP over LANs, or EAPOL. Ethernet type of EAPOL is 88-8E, two octets in length. The EAPOL encapsulations are described for IEEE 802 compliant environment, such as the 802.3 Ethernet, 802.11 Wireless LAN and Token Ring/FDDI. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 43 If the authentication succeeds, the port becomes authorized. If the authentication fails, the port becomes unauthorized. When the supplicant does not need the wireless access any more, it sends EAPOL-Logoff packet to terminate its All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 44 The EAPOL packet contains the following fields: protocol version, packet type, packet body length, and packet body. Most of the fields are obvious. The packet type can have four different values and these values are described as followed: All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 45 Extensible Authentication Protocol (EAP) to authenticate wireless clients using an external RADIUS database. You can not use the P-660HW-Tx v2's local user database for WPA authentication purpose, since the local user database uses the MD5 EAP which can not generate keys. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 46: Wireless Configuration

    AES (Advanced Encryption Standard), WPA2’ s level and standard is requirement for some corporate and government users. Wireless Configuration Activate the WLAN interface of the P-2612HNU-Fx and connect the notebook (802.11bg wireless NIC required) under the WPA-PSK security mode. a. Wireless Setup.
  • Page 47 Check the Active Wireless LAN box. Enter the Network Name(SSID), e.g. “Test_01”. Select the Security Mode, e.g. “WPA-PSK”. Select the WPA Encryption, e.g. “TKIP”. Enter the Pre-Shared Key, e.g. “njdrhwceiq”. Click Apply. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 48 P2612HNU Fx Support Notes View all the available wireless networks on your notebook (802.11bg wireless NIC required): All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 49 We can see that the notebook is now connected to the WLAN interface of the P-2612HNU-Fx. b. Wireless Setup Hiding the SSID. Go to Network > Wireless LAN > General. Check the Active Wireless LAN box. Enter the Network Name (SSID), e.g. “TEST_01”. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 50 P2612HNU Fx Support Notes Check the Hide Network Name (SSID) box Select the Security Mode, e.g. “WPA-PSK”. Select the WPA Encryption, e.g. “TKIP”. Enter the Pre-Shared Key, e.g. “njdrhwceiq”. Click Apply. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 51 View all the available wireless networks on your notebook: As we can see, we cannot find the SSID “TEST_01”. To connect to “TEST_01”, we need to configure the “Wireless Network Connection Properties” of the notebook WLAN interface: All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 52 Go to the “Connection” tab and check “Connect when this network is in range” checkbox. We can then see the notebook connected to the “TEST_01”, even though the SSID is not displayed in the broadcast network list. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 53: Wps Application Notes

    Wi-Fi Protected Setup. There are several different methods defined in WPS to simplify the process of configuration. P-2612HNU-Fx supports two of those methods, which are the PIN Method and the PBC Method. PIN Method:...
  • Page 54 P2612HNU Fx Support Notes Note: You must press the other wireless device’ s WPS button within 2 minutes of pressing this button. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 55: File Sharing

    USB Hard drive. 1. Plug in Flash disk in USB port. 2. Go to USB Service. 3. Click on “Share Configuration” to enable “SMB” function. 4. Assign a Workgroup Name. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 56 P2612HNU Fx Support Notes 5. Click on “Apply”. When File Sharing feature is enabled, P2612HNU Fx will find the attached USB Hard Drive. 6. Click on “Modify”. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 57 8. Click on “Apply”. 9. Click on “Confirm” to confirm the configuration. 10. Click on “Account Management”. 11. Click on “Add” to create a new account for access log in. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 58 12. Click on “Apply”. 13. Repeat the step 6, 7 and 8 to change the access control level. 14. Select Access Level as “Security”. 15. Select KJerry as “Allow User”. 16. Click on “Apply”. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 59 The following steps will show you how the PC A, B or C Access the USB Hard Drive from the PC. 17. Go to Windows “Run” and connect to P2612HNU FX. 18. After connected to P2612HNU Fx, the USB hard drive will be displayed on the screen. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 60 P2612HNU Fx Support Notes 19. Click on the USB hard drive, and a pop up window will be displayed asking the login information. 20. Key in the user account : kjerry, password : 123456. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 61 P2612HNU Fx Support Notes After successful log in, the content of the USB hard drive will be displayed. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 62 NSA-210 which is connecting to the LAN port. 1. Download DiXiM media client V2 to the PC which would like to play the media files on the external storage device NAS210. 2. Install this software. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 63 P2612HNU Fx Support Notes All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 64 3. We will use the Wireless client to play the media files in this scenario. 4. Connecting the Wireless client to P2612HNU Fx. 5. Go to USB Services>Media Server>Configuration. 6. Click on “Enable Media Server”. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 65 7. Click on “DiXiM Media Client” icon on the desktop. 8. Select the “Media Server”. 9. Browse to “Server”. From the Server list, you will see all the servers existed on the network. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 66 P2612HNU Fx Support Notes 10. Select ZyXEL “P-2612HNU-F3”. Now you are in USB hard drive. 11. Click on “Video”. 12. Select “All Video”. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 67 P2612HNU Fx Support Notes 13. Select the Video you want to play All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 68: Maintenance Log

    Maintenance Log Internal Maintenance The P-2612HNU-Fx has the ability to record the events occurring in the CPE in a system log (according to the severity) and maintain this log in itself. At this point, the P2612HNU-Fx only can logs VoIP service events.
  • Page 69 P2612HNU Fx Support Notes b. View the log in the Web GUI. Go to Maintenance > Logs > ViewLogs. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 70 P2612HNU Fx Support Notes All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 71: Maintenance Tools

    Upgrading Firmware. Go to Maintenance > Tools > Firmware. Click Browse. Select the Firmware to upload and click Open. Click Upload. b. Backing-up the Configuration. Go to Maintenance > Tools > Configuration. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 72 P2612HNU Fx Support Notes Click “Backup”. Click “Save”. Select the directory to save and click Save. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 73 P2612HNU Fx Support Notes c. Upload Configuration. Go to Maintenance > Tools > Configuration. Click Browse. Select the configuration file to upload and click Open. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 74: Product Faq

    Why do I need to use P-2612HNU-Fx? You need an ADSL modem/router to use with ADSL line, P-2612HNU-Fx is an ideal device for such application. The device has 4 Ethernet ports (LAN ports) and one ADSL WAN port. You should connect the computer to the LAN port and connect the ADSL line to the WAN port.

  • Page 75: Does The Device Support Pppoe

    RealPlayer, VDOLive, Quake, QuakeII, QuakeIII, StarCraft, & Quick Time. How can I configure the device? a. Telnet remote management- driven user interface for easy remote management b. Web browser- web server embedded for easy configurations All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 76: What Can We Do With The Device

    If your company does not have a domain name, it means that your ISP provides you with a dynamic IP address. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 77: Is It Possible To Access A Server Running Behind Sua From The Outside Internet? If Possible, How

    Press down the reset button and hold down for approx 5 second, the unit will be reset. When the reset button is pressed the devices all parameter will be reset back to factory default include, password, and IP address. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 78: What Network Interface Does The New Device Series Support

    ISP. In addition, you can designate servers, e.g., a web server and a telnet server, on your local network and make them accessible to the outside world. If you do not define any servers, NAT offers the additional benefit of All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 79: When Do I Need Nat

    Internal Local Addresses (ILA) and the global IP addresses as the Inside Global Address (IGA), 1. One to One In One-to-One mode, the device maps one ILA to one IGA. All contents copyright (c) 2010 ZyXEL Communications Corporation.
  • Page 80 One-to-One mode. The following table summarizes these types. NAT Type IP Mapping One-to-One ILA1<--->IGA1 ILA1<--->IGA1 Many-to-One ILA2<--->IGA1 (SUA/PAT) ILA1<--->IGA1 ILA2<--->IGA2 Many-to-Many ILA3<--->IGA1 Overload ILA4<--->IGA2 ILA1<--->IGA1 ILA2<--->IGA2 Many-to-Many ILA3<--->IGA3 No Overload ILA4<--->IGA4 All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 81: What Is The Difference Between Sua And Multi-Nat

    Internet. To use the service, you must first apply an account from several free Web servers such as WWW.DYNDNS.ORG. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 82: When Do I Need Ddns Service

    P2612HNU Fx Support Notes Without DDNS, we always tell the users to use the WAN IP of the P-2612HNU-Fx to reach our internal server. It is inconvenient for the users if this IP is dynamic. With DDNS supported by the device, you apply a DNS name (e.g., www.zyxel.com.tw) for your server (e.g., Web server) from a DDNS server.

  • Page 83: What Are The Advantages Of Wireless Lans

    What are the disadvantages of Wireless LANs? The speed of Wireless LAN is still relative slower than wired LAN. The most popular All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 84: Where Can You Find Wireless 802.11 Networks

    LAN devices can communicate to each other.802.11 provides 1 or 2 Mbps transmission in the 2.4 GHz ISM band using either FHSS or DSSS. What is 802.11b? All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 85: How Fast Is 802.11B

    An 802.11b radio card will interface directly with an 802.11g access point (and vice versa) at 11 Mbps or lower depending on range. The range at 54 Mbps is less than for 802.11b operating at 11 Mbps. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 86: What Is 802.11N

    Various spread spectrum radio communication applications use the 2.4 GHz band. This includes WLAN systems (not necessarily of the type IEEE 802.11b), cordless phones, wireless medical telemetry equipment and Bluetooth™ short-range wireless All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 87: Does The 802.11 Interfere With Bluetooth Devices

    What are potential factors that may causes interference among WLAN products? Factors of interference: 1. Obstacles: walls, ceilings, furniture… etc. 2. Building Materials: metal door, aluminum studs. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 88: What's The Difference Between A Wlan And A Wwan

    Access Points must be used to connect to the wired LAN backbone. Wireless clients have their configurations set for "infrastructure mode" in order to utilize access points relaying. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 89: How Many Access Points Are Required In A Given Area

    To an unsynchronized receivers an FHSS transmission appears to be short-duration impulse noise. 802.11 may use FHSS or DSSS. Do I need the same kind of antenna on both sides of a link? All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 90: What Is An Essid

    ESSID of the mobile device must match the ESSID of the AP to communicate with the AP. The ESSID is a 32-character maximum string and is case-sensitive. How do I secure the data across an Access Point's radio link? All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 91: What Is Wep

    A WEP key is a user defined string of characters used to encrypt and decrypt data. A WEP key is a user defined string of characters used to encrypt and decrypt data? All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 92: Can The Ssid Be Encrypted

    An attacker can sniff and capture legitimate traffic. Many of the sniffer tools for Ethernet are based on capturing the first part of the connection session, where the data would typically include the username and password. An intruder can All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 93: What Is 802.1X

    What is the difference between No authentication required, No access allowed and Authentication required? No authentication required— disables 802.1X and causes the port to transition to the authorized state without any authentication exchange required. The port transmits All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 94: What Is Radius

    Server, where it is verified. RADIUS also provides a mechanism for accounting. What is WPA? WPA (Wi-Fi Protected Access) is a subset of the IEEE 802.11i security sepcification draft. Key difference between WPA and WEP are user authentication and improve data encryption. All contents copyright (c) 2010 ZyXEL Communications Corporation.

  • Page 95: What Is Wpa2

    Eventually, each packet which is sent over the air is encrypted with a unique key. The higher security is enhanced with the use of a new and unique encryption key because there is no key reuse. All contents copyright (c) 2010 ZyXEL Communications Corporation.

Table of Contents