ZyXEL Communications P-873HNUP-51B Support Notes
  1. Manuals
  2. Brands
  3. ZyXEL Communications Manuals
  4. Gateway
  5. P-873HNUP-51B
  6. Support notes
ZyXEL Communications P-873HNUP-51B Support Notes

ZyXEL Communications P-873HNUP-51B Support Notes

Hide thumbs Also See for P-873HNUP-51B:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
P-873HNUP-51B Support Notes
P-873HNUP-51B
Support Notes
April 2011
Edition 1.0
All contents copyright (c) 2011 ZyXEL Communications Corporation.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the P-873HNUP-51B and is the answer not in the manual?

Questions and answers

Related Manuals for ZyXEL Communications P-873HNUP-51B

Summary of Contents for ZyXEL Communications P-873HNUP-51B

  • Page 1 P-873HNUP-51B Support Notes P-873HNUP-51B Support Notes April 2011 Edition 1.0 All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 2: Table Of Contents

    TR069 – Remote Firmware Upgrade ..............41 Environment ....................41 TR069 Configuration ..................42 ACS server (Vantage Access 3.0) ..............43 NAT Port Forwarding ................... 44 NAT/Multi-NAT Introduction ................ 44 Environment ....................45 All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 3 WPS configuration..................78 Product FAQ ......................80 Will the device work with my Internet connection?........80 Why do I need to use P-873HNUP-51B? ............80 What is PPPoE? .................... 80 Does the device support PPPoE? ..............80 How do I know I am using PPPoE? ............... 81 Why does my provider use PPPoE? .............
  • Page 4 What is Server Set ID (SSID)? ............... 93 What is an ESSID?..................93 How do I secure the data across an Access Point's radio link? ....93 What is WEP? ....................93 All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 5 CPU usage ....................96 Memory usage ..................... 97 Current processes ..................98 NAT session table ..................99 IGMP table ....................100 Packets statistics ..................101 Physical layer statistics ................102 CLI Command List ....................103 All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 6: General Application Notes

    P-873HNUP-51B Support Notes General Application Notes P-873HNUP-51B supports ADSL/VDSL bonding, user can use two DSL line to connect to P-873HNUP-51B, and it would have double bandwidth for upstream. We use P-873HNUP-51B as the sample for WEB GUI and configuration. Why use P-873HNUP-51B? ...

  • Page 7: Application Scenario

    Application Scenario FTTx - FTTC Solution A typical scenario is used with P-873HNUP-51B in a FTTC (Fiber to the Curb) solution. The P-873HNUP-51B serves as a home gateway, providing the high speed INTERNET service and High Quality IPTV service. The COE (VDSL switch) is located in a street cabinet, providing a high speed service within a 600 feet range, assuring the bandwidth reaching up to 100/50Mbps (Downstream/Upstream) at maximum.
  • Page 8 P-873HNUP-51B Support Notes FTTx – FTTB Solution An often seen scenario is used with P-873HNUP-51B in a FTTB (Fiber to the Building) solution. The P-873HNUP-51B serves as a home gateway, providing the high speed INTERNET service, High Quality IPTV service and VoIP service. The COE...

  • Page 9: Prologue

    Note: Do not assign the arbitrary IP address and subnet mask to your PCs; otherwise, you will not be able to access the Internet.  Click the WINS configuration tab and select Disable WINS Resolution. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 10 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) 2011 ZyXEL Communications Corporation.

  • Page 11: Access Application Notes

    Login the P-873HNUP-51B via Web GUI. Set up your PC/NB IP address to be a DHCP client. Connect to a LAN port of P-873HNUP-51B via RJ45 Ethernet cable and open your IE browser. The default IP of P-873HNUP-51B is 192.168.1.1 username/password = admin/1234.

  • Page 12: Telnet

    Login the P-873HNUP-51B via Telnet. Set up your PC/NB IP address to be a DHCP client. Connect to a LAN port of P-873HNUP-51B via RJ45 Ethernet cable and open your Hyper Terminal software (capable of using TELNET). The default IP of P-873HNUP-51B is 192.168.1.1 username/password = admin/1234.

  • Page 13: Broadband

    Click Network Settings > Broadband to modify the type of the WAN Layer 2 Interface. There are three Interfaces support for P-873HNUP-51B. In the Broadband Interface Configuration page, there are three types: ADSL/VDSL over PTM Mode, ADSL over ATM Mode and Ethernet Mode.

  • Page 14: Wan Configuration

    The P-873HNUP-51B is a CPE bridge. a. Bridge Mode Go to Network Settings > Broadband. Click modify icon to modify the WAN service of P-873HNUP-51B to bridge mode. Select the WAN service type to be “Bridging”. Also you want to enter the Name.
  • Page 15 P-873HNUP-51B Support Notes Click Apply to Save. The summary will be showed on the Broadband page that includes all related configuration parameters. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 16: Ipoe Mode

    IPoE Mode Go to Network Settings > Broadband. Click modify icon to modify the WAN service type of P-873HNUP-51B. Select the Encapsulation to be “IPoE”. Also you want to enter the Name. Click Apply button to save and then review all WAN setup parameters to make sure all related settings are correct.

  • Page 17: Pppoe Mode

    PPPoE Mode Go to Network Settings > Broadband. Click modify icon to modify the WAN service type of P-873HNUP-51B. Select Encapsulation to be “PPPoE”. Also you want to enter the Name. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 18 Enter the PPP Username, e.g. “test”. Enter the PPP Password, e.g. “1234”. Click Apply button to save and then review all WAN setup parameters to make sure all related settings are correct. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 19: Ethernet Mode

    P-873HNUP-51B Support Notes Ethernet Mode Scenario: The P-873HNUP-51B has more than one remote node (WAN Interface). In this case, the third WAN interface is using the “Ethernet Encapsulation” as its format for its transmission to the Central Office. d. More than one connection Go to Network settings >...
  • Page 20 802.1Q VLAN ID for this WAN Service. Also you want to enter the Name. Click Apply button to save and then review all WAN setup parameters to make sure all related settings are correct. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 21: Dsl Bonding

    The solution currently being utilized is to connect two ADSL/VDSL lines to one router. For this to work, you need a specially designed router, such as the P-873HNUP-51B. ADSL/VDSL Bonding takes two copper based lines per subscriber and aggregates them to almost double the bandwidth speed available to the existing customers and also expands high speed broadband access to areas that are underserved today.

  • Page 22: Dsl Bonding Configuration

    Click Network Settings > Broadband to modify the type of the WAN Layer 2 Interface. Click modify icon to modify the WAN service type of P-873HNUP-51B. Select the Encapsulation to be “IPoE”. Also you want to enter the Name. Click Apply button to save and then review all WAN setup parameters to make sure all related settings are correct.
  • Page 23 Enable DSL Bonding, and select mode as ADSL Bonding. Click Apply to save configure then CPE will auto reboot. CO side can see the DSL linked up and payload rate of two ADSL port. Click Status, the DSL rate is double. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 24: Ip Multicast

    After that, the CPE updates the information by periodic queries. The device implementation of IGMP is also compatible with version 1. The multicast setting can be turned on or off on the Ethernet and remote nodes. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 25: Igmp Setting

    IGMP Setting a. IP Multicast Go to Network settings > Broadband. Click modify icon to modify the WAN service type of P-873HNUP-51B. At the Routing Feature, check the checkbox of Enable. To enable IP multicast for this WAN Service. Go to Network Settings > IGMP Setting > General.

  • Page 26: Protocol Based Scenario

    IPoE. The COE (VDSL switch) has the ability to distinguish those 2 traffics and assign the dedicated ACL rules to them. So, how should we configure the P-873HNUP-51B to fit the aforementioned scenario? The following step-by-step procedure instructs us the method.

  • Page 27: Wan Configuration

    WAN Configuration a. INTERNET Service Go to Network Settings > Broadband. Click modify icon to modify the WAN service type of P-873HNUP-51B. Select the WAN service type to be “PPPoE”. Also you want to enter the Name. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 28 Enter the PPP Username, e.g. “test@isp.net”. Enter the PPP Password, e.g. “1234”. Click Apply button to save and then review all WAN setup parameters to make sure all related settings are correct; the IGMP multicast should be Disabled. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 29 Go to Network Settings > Broadband. Click Add New WAN Interface. Select the Encapsulation type to be “IPoE”. Also you want to enter the Name. Select “Obtain an IP address automatically” in the WAN Configuration Settings page. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 30 We don’t enable the NAT at this IPTV WAN service; but we need to check the checkbox for IGMP Proxy Enable. Click Apply button to save and then review all WAN setup parameters to make sure all related settings are correct. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 31: Vlan Based Scenario

    COE (VDSL switch) receives the already VLAN tagged traffic from the CPE, and handles them according to their VID values. So how should we configure the P-873HNUP-51B to fit the aforementioned scenario? The following step-by-step procedure instructs us the method.

  • Page 32: Wan Configuration

    Go to Network Settings > Broadband. Click Add New WAN Interface. Select the Encapsulation type to be “IPoE”. Also you want to enter the Name. Select “Obtain an IP address automatically” in the WAN Configuration Settings page. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 33 IGMP Proxy Enable. Enter the 802.1P priority 5 and 802.1Q VLAN ID 100 Click Apply button to save and then review all WAN setup parameters to make sure all related settings are correct. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 34 Enter the PPP Username and PPP Password Check Enable NAT box and Apply as Default Gateway box. Check Active box of VLAN item and enter 802.1P priority 3 and 802.1Q VLAN ID 200. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 35 P-873HNUP-51B Support Notes Click Apply button to save and then review all WAN setup parameters to make sure all related settings are correct. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 36: Quality Of Service

    In the case of the aforementioned diagram, we would like to limit the maximum upload rate of the IPTV service to 350 kbps. So how should we configure the P-873HNUP-51B to fit the aforementioned scenario? The following step-by-step procedure instructs us the method.

  • Page 37: Qos Configuration

    Enable QoS Go to Network Settings > QoS. Check the Active QoS box. Go to Network Settings > QoS > Queue Setup. Click modify icon to modify the current Queue of P-873HNUP-51B. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 38 Enter the Queue Name box, e.g. “PriQ1”. Select the Outgoing interface, e.g. “WAN”. Select the Priority as “1”. Select the Weight as “3”. Click Apply. Go to Network Settings > QoS > Class Setup. Click Add New Classifier. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 39 11. Select the Classification Order to be “Last”. 12. Select the Ether Type to be “IP (0x800)”. 13. Check the From Interface to be “LAN1”. 14. Check the Queue Index to be “PriQ1”. 15. Click Apply. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 40 Enter the Committed Burst Size as “100”. Select the Conforming Action as “Pass”. Select the Non-Conforming Action as “Drop”. 10. Select the Class in Available Class field and add to Selected Class. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 41: Tr069 - Remote Firmware Upgrade

    TR069 – Remote Firmware Upgrade Environment The P-873HNUP-51B provides the TR-069 remote management feature; it could speed up the deployment of CPEs and ease our supporting costs. It can also help the VDSL ISP (Internet Service Provider) to reduce operation effort as well as enhance customer satisfaction.

  • Page 42: Tr069 Configuration

    Enter the Inform Interval, e.g. “30” seconds. Enter the ACS URL, e.g. “http://59.124.163.140/TR069”. Enter the ACS User Name, e.g. “admin”. Enter the ACS Password, e.g. “1234”. Select the WAN Interface used by TR-069 client, e.g. “Any_WAN”. Click Apply. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 43: Acs Server (Vantage Access 3.0)

    ACS server (Vantage Access 3.0) Make sure that the P-873HNUP-51B is correctly subscribed on the ACS server. As we can see, a P-873HNUP-51B is subscribed on the server and the SW Version is 1.10(TUK.0)b3. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 44: Nat Port Forwarding

    For more information on the IP address translation, please refer to RFC 1631, The IP Network Address Translator (NAT).  Port numbers for some services: Service Port Number Telnet SMTP DNS (Domain Name Server) www-http (Web) All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 45: Environment

    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-873HNUP-51B, so that the notebook at the WAN site can access the FTP server? The following step-by-step procedure instructs us the method.

  • Page 46: Port Forwarding Configuration

    P-873HNUP-51B Support Notes Port Forwarding Configuration a. Show the device information. Click Status. We can see that the WAN is assigned with IP = 111.251.185.173 All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 47 21. Since we are creating a new rule using port 21, the default port number of the CPE’s FTP server port will automatically be moved to 2121. A new port forwarding rule is now created. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 48 P-873HNUP-51B Support Notes Show the IP configuration of notebook: Use the notebook to access the FTP server with IP = 111.251.185.173 All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 49: Dmz Host Configuration

    Go to Network Settings > NAT > DMZ. Enter the IP of the Default Server Address, e.g. “192.168.1.35”. Click Apply. Use the notebook to access the FTP server with IP = 111.251.185.173 All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 50: Lan Connection

    Enter the Ending IP Address, e.g. “192.168.100.254”. b. Show information on the DHCP server. Login the device by Telnet. Type the command “lan config” to enter configuration mode. Type the command “dhcpserver show” All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 51 P-873HNUP-51B Support Notes All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 52: Using Universal Plug N Play (Upnp)

    (in this case, a laptop) to a network, the device may ask the network to find the UPnP-enabled devices. These devices respond with their URLs and device descriptions. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 53  Presentation: Each device can provide its own control interface by the URL link. So that users can go to the device's presentation Web page by the URL to control this device. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 54 PC1 will assign the mapping to the router dynamically. Note that, since the PC1 must support UPnP, we presume that its OS is Microsoft WinME or WinXP. Device: Device Router Service: NAT function provided by device Router Control Point: PC1 All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 55: Universal Plug N Play (Upnp) Configuration

    P-873HNUP-51B Support Notes Universal Plug n Play (UPnP) Configuration a. Activate the UPnP feature. Go to Network Settings > Home Networking > UPnP. Check the Enable box. Click Apply. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 56: Maintenance Log

    P-873HNUP-51B Support Notes Maintenance Log Internal Maintenance The P-873HNUP-51B has the ability to record the events happening in the CPE into a system log (according to the severity) and maintain this log in itself. a. Activate the Maintenance Log. Go to Maintenance > Log Settings.
  • Page 57 P-873HNUP-51B Support Notes b. Show the log in the Web GUI. Go to System Monitor > Log. c. Show the log by Telnet. Login the device by Telnet, Type the command “syslog dump”. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 58: Remote Maintenance

    P-873HNUP-51B Support Notes Remote Maintenance The P-873HNUP-51B also has the ability to send the system log outside the CPE. Let’s say that we want the system log to be sent to the notebook with IP = 192.168.1.101. a. Activate the Maintenance Log.

  • Page 59: Maintenance Tool

    Upload Firmware. Go to Maintenance > Firmware Upgrade. Click Browse. Select the Firmware to upload and click Open. Click Upload. b. Save Configuration. Go to Maintenance > Configuration. Click Backup. Click Save. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 60 P-873HNUP-51B Support Notes All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 61 P-873HNUP-51B Support Notes Select the directory to save and click Save. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 62 P-873HNUP-51B Support Notes c. Upload Configuration. Go to Maintenance > Configuration. Click Browse. Select the configuration file to upload and click Open. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 63: Wireless Application Notes

    APs. The WEP employs the key encryption algorithm, Ron's Code 4 Pseudo Random Number Generator (RC4 PRNG). The same key is used to encrypt and decrypt the data. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 64 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) 2011 ZyXEL Communications Corporation.
  • Page 65 (WPA Pre-Share Key) that only requires a single (identical) password entered into each access point, wireless gateway and wireless client. As long as the passwords match, a client will be granted to access to a WLAN. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 66: Wireless Configuration

    P-873HNUP-51B Support Notes Wireless Configuration Activate the WLAN interface of the P-873HNUP-51B and connect the notebook (802.11bg wireless NIC required) under the WPA-PSK as its security mode. a. Wireless Setup. Go to Network Settings > Wireless > General. Check the Enable box.
  • Page 67 P-873HNUP-51B Support Notes Show all the wireless networks in your notebook (802.11bg wireless NIC required): Enter the WPA-PSK pre-shared key. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 68 P-873HNUP-51B Support Notes We can see that the notebook is now connected to the WLAN interface of the P-873HNUP-51B. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 69 Check the Enable box. Enter the Network Name(SSID), e.g. “TEST_01”. Check the Hide Network Name(SSID) box. Select the Security Mode, e.g. “WPA-PSK”. Enter the Pre-Shared Key, e.g. “11111111”. Select the Encryption, e.g. “TKIP+AES”. Click Apply. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 70 P-873HNUP-51B Support Notes Show all the wireless networks in your notebook: As we can see, we cannot find the SSID “TEST_01”. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 71 P-873HNUP-51B Support Notes To connect to “TEST_01”, we need to configure the “Wireless Network Connection Properties” of the notebook WLAN interface: All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 72 P-873HNUP-51B Support Notes Go “Connection” tab and check the box under the name of “Connect when this network is in range”. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 73 P-873HNUP-51B Support Notes Then we will see the notebook connected to the “TEST_01”, even though the SSID is now displayed in the broadcast list. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 74 Wireless Setup Using “Auto Generate Key”. Go to Network Settings > Wireless > General. Check the Enable box. Check the Generate Password Automatically box. Select the Security Mode, e.g. “WPA-PSK”. Select the Encryption, e.g. “TKIP+AES”. Click Apply. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 75 P-873HNUP-51B Support Notes Show all the wireless networks in your notebook: Enter the WPA-PSK pre-shared key auto-generated by P-873HNUP-51B. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 76 P-873HNUP-51B Support Notes We can see that the notebook is now connected to the WLAN interface of the P-873HNUP-51B. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 77: Wps Application Notes

    Wi-Fi Protected Setup. There are several different methods defined in WPS to simplify the process of configuration. P-873HNUP-51B supports two of those methods, which are the PIN Method and the PBC Method. PIN Method:...

  • Page 78: Wps Configuration

    WPS Station Setup Go to Network Settings > Wireless > WPS. Click the Connect. Note: You must press the other wireless device’s WPS button within 2 minutes of pressing this button. All contents copyright (c) 2011 ZyXEL Communications Corporation.
  • Page 79 P-873HNUP-51B Support Notes c. MAC filtering Go to Network Settings > Wireless > MAC Authentication. Chick ck the Add new MAC address button. Enter the MAC Address, e.g. “00:1C:BF:A3:AD:0F”. Click Apply. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 80: Product Faq

    Why do I need to use P-873HNUP-51B? You need a VDSL modem/router to use with VDSL line, P-873HNUP-51B is an ideal device for such application. The device has 4 Ethernet ports (LAN ports) and one VDSL WAN port. You should connect the computer to the LAN port and connect the VDSL line to the WAN port.

  • Page 81: Why Does My Provider Use Pppoe

    These are just a few of many benefits you can enjoy when you put the whole office on-line with the device. Does device support dynamic IP addressing? The device supports either a static or dynamic IP address from ISP. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 82: How Does E-Mail Work Through The Device

    SUA server table. Therefore, to make a local server accessible to the outside users, the port number and the inside IP address of the server must be configured. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 83: What Dhcp Capability Does The Device Support

    TFTP (Trivial File Transfer Protocol) over LAN. Can the device support TFTP over WAN? Although TFTP should work over WAN as well, it is not recommended because of the potential data corruption problems. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 84: How Fast Can The Data Go

    NAT based on RFC 1631, and we call this feature as 'Multi-NAT'. For more information on IP address translation, please refer to RFC 1631, The IP Network Address Translator (NAT). All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 85: When Do I Need Multi-Nat

    When the ISP assigns the device a new IP, the device updates this IP to DDNS server so that the server can update its IP-to-DNS entry. Once the IP-to-DNS table in the DDNS server is updated, the DNS name for your web server (i.e., www.zyxel.com.tw) is still usable. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 86: When Do I Need Ddns Service

    IP address we can use the DDNS service. The DDNS server allows to alias a dynamic IP address to a static hostname. Whenever the ISP assigns you a new IP, the device sends this IP to the DDNS server for its updates. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 87: Wireless Faq

    Wireless LAN systems can be configured in a variety of topologies to meet the needs of specific applications and installations. Configurations are easily changed and range from peer-to-peer networks suitable for a small number of users to full infrastructure All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 88: What Are The Disadvantages Of Wireless Lans

    802.11b is the first revision of 802.11 standard allowing data rates up to 11Mbps in the 2.4GHz ISM band. Also known as 802.11 High-Rate and Wi-Fi. 802.11b only uses DSSS, the maximum speed of 11Mbps has fallbacks to 5.5, 2 and 1Mbps. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 89: How Fast Is 802.11B

    Yes. As long as the products comply with the same IEEE 802.11 standard. The Wi-Fi logo is used to define 802.11b compatible products. Wi-Fi5 is a compatibility standard for 802.11a products running in the 5GHz band. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 90: What Is Wi-Fi

    Metals reflect radio waves and concrete attenuates radio waves. The amount of attenuation suffered in passing through concrete will be a function of its thickness and amount of metal re-enforcement used. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 91: What Are Potential Factors That May Causes Interference Among Wlan Products

    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) 2011 ZyXEL Communications Corporation.

  • Page 92: How Many Access Points Are Required In A Given Area

    The ISM band is populated by Industrial, Scientific and Medical devices that are all low power devices, but can interfere with each other. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 93: What Is Server Set Id (Ssid)

    WEP encryption uses a 40 bit (10 Hex character) as "secret key" (set by user), and a 24 bit "Initialization Vector" (not under user control) (40+24=64). Some vendors refer to this level of WEP as 40 bit, others as 64 bit. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 94: A Wep Key Is A User Defined String Of Characters Used To Encrypt And Decrypt Data

    An intruder can masquerade as that user by using this captured information. An intruder who monitors the wireless network can apply this same attack principle on the wireless. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 95: What Is The Difference Between Open System And Shared Key Of Authentication Type

    Radius server but still want to benefit from it. Because WPA-PSK only requires a single password to be entered on wireless AP/gateway and wireless client. As long as the passwords match, a client will be granted access to the WLAN. All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 96: Trouble Shooting

    P-873HNUP-51B Support Notes Trouble Shooting In case of problems happening to the P-873HNUP-51B, we are able to check the device with more detailed information by entering the “shell mode”. Those statistics may help the engineer to pinpoint the problem more easily.

  • Page 97: Memory Usage

    P-873HNUP-51B Support Notes Memory usage Command: # cat /proc/meminfo All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 98: Current Processes

    P-873HNUP-51B Support Notes Current processes Command: All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 99: Nat Session Table

    P-873HNUP-51B Support Notes NAT session table Command: #cat /proc/net/ip_conntrack All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 100: Igmp Table

    P-873HNUP-51B Support Notes IGMP table Command: #cat /proc/net/igmp All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 101: Packets Statistics

    P-873HNUP-51B Support Notes Packets statistics Command: #cat /proc/net/dev All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 102: Physical Layer Statistics

    P-873HNUP-51B Support Notes Physical layer statistics Command: #adslctl info All contents copyright (c) 2011 ZyXEL Communications Corporation.

  • Page 103: Cli Command List

    The latest CI command list is available in release notes of every ZyXEL firmware release. Please go to ZyXEL public WEB site http://www.zyxel.com/web/support_download.php download firmware package (*.zip), you should unzip the package to get the release note in PDF format. All contents copyright (c) 2011 ZyXEL Communications Corporation.

Table of Contents