HP 110 Wireless-N Router Series Instrukcja Użytkownika Strona 1

http://www.3Com.com/Part No. 10016794 Rev AAPublished July 2008Wireless 11n ADSL Firewall RouterUser GuideWL-6033CRWDR300A-733CRWDR300B-73

8 ABOUT THIS GUIDEConventions Table 1 and Table 2 list conventions that are used throughout this guide.Table 1 Notice IconsIcon Notice Type Descript

98 CHAPTER 5: CONFIGURING THE ROUTERTo edit or delete specific existing filtering rules, click on Edit or Delete for the appropriate filtering rule.Fi

Firewall 99Schedule Rule The Router can be configured to restrict access to the Internet, email or other network services at specific days and times.

100 CHAPTER 5: CONFIGURING THE ROUTERURL Filter To configure the URL filter feature, use the table on the URL Filter screen to specify the Web sites (

Advanced 101Advanced The Advanced section allows you to set additional parameter details for the Router. You can configure: Security VLAN Static Ro

102 CHAPTER 5: CONFIGURING THE ROUTER NAT — (Network Address Translation), NAT is the method by which the Router shares the single IP address assigne

Advanced 103 MSS Clamping — You might not be able to browse some Web sites or to send email messages that contain attachments from an Internet Connec

104 CHAPTER 5: CONFIGURING THE ROUTERVLAN A VLAN is a flexible group of devices that can be located anywhere in a network, but they communicate as if

Advanced 105Figure 80 VLAN ScreenClick Add VLAN to create a new entry (see Figure 81).Figure 81 VLAN Profile Screen Enter a description for your

106 CHAPTER 5: CONFIGURING THE ROUTERStatic Routes You can configure static routes in this screen. You can setup a static route that will get all traf

Advanced 107 Gateway — the Router used to route data to the network specified by the network address. Interface — select the interface. Note that yo

Feedback About This User Guide 9Feedback About This User GuideYour suggestions are very important to us. They will help make our documentation more us

108 CHAPTER 5: CONFIGURING THE ROUTERRIP RIP (Routing Information Protocol) - RIP allows the network administrator to set up routing information on on

Advanced 1095 Use the Poison Reverse drop-down menu to enable or disable Poison Reverse on the Router. Enabling Poison Reverse on your Router allows i

110 CHAPTER 5: CONFIGURING THE ROUTERDDNS The Router provides a list of dynamic DNS providers for you to choose from. Dynamic Domain Name Server (DDNS

Advanced 111SNMP SNMP (Simple Network Management Protocol) allows remote management of your Router by a PC that has an SNMP management agent installed

112 CHAPTER 5: CONFIGURING THE ROUTERYou can configure the Router to send status messages to the SNMP management agent if a problem occurs on the netw

Advanced 113Proxy ARP Proxy ARP is the technique in which one host, usually a Router, answers ARP requests intended for another machine. By “faking” i

114 CHAPTER 5: CONFIGURING THE ROUTERQoS Settings The QoS (Quality of Service) function allows you to differentiate your network traffic and provide i

Advanced 115Traffic Mapping Up to 16 rules can be defined to classify your network traffic into Diffserv forwarding groups and outgoing connections.Fi

116 CHAPTER 5: CONFIGURING THE ROUTERFigure 93 Detailed Edit Traffic Class ScreenEnter the information, then click Apply to make the settings to tak

VPN 117VPN The Router has a Virtual Private Network (VPN) feature that provides a secure link between remote users and the corporate network by establ

10 ABOUT THIS GUIDE

118 CHAPTER 5: CONFIGURING THE ROUTERFigure 94 VPN Screen1 Check the Enable IPSec box, configuration details screen appears. Figure 95 Enable IPSe

VPN 119Figure 96 Add New VPN Tunnel Configuration ScreenOn the VPN Tunnel Parameter screen, 1 Set the VPN Tunnel Type to IPSec. 2 Enter a descriptiv

120 CHAPTER 5: CONFIGURING THE ROUTER5 Select the Local Party ID, and then enter the ID, Network Address and Subnet Mask of the Local Secure Group. Th

VPN 121Check the Enable L2TP box, configuration details screen appears, see Figure 97.Figure 97 Enable L2TP Screen1 Enter the Pre-shared Key for L2T

122 CHAPTER 5: CONFIGURING THE ROUTER1 Set the Tunnel Type to L2TP over IPSec.2 Enter a descriptive name for the tunnel in the Tunnel Name field.3 Ent

VPN 123Figure 100 Add new PPTP VPN Tunnel Screen1 Set the Tunnel Type to PPTP.2 Enter a descriptive name for the tunnel in the Tunnel Name field.3 E

124 CHAPTER 5: CONFIGURING THE ROUTERSystem Tools These screens allow you to manage different parameters of the Router and perform certain administrat

System Tools 125 Backup Configuration — You can save your current configuration by clicking the Backup button. Saving your configuration will allow y

126 CHAPTER 5: CONFIGURING THE ROUTERTime Zone You can set the time settings for the Router on this screen. Figure 104 Time Zone ScreenThe Router ke

System Tools 127Ping The ping tool is used to test if the network is working properly. Figure 105 Ping Screen1 Enter the IP address or domain name i

1INTRODUCING THE ROUTERWelcome to the world of networking with 3Com®. In the modern business environment, communication and sharing information is cru

128 CHAPTER 5: CONFIGURING THE ROUTERTraceroute Traceroute is the program that shows you the route over the network between two systems, listing all t

System Tools 129DNS Lookup DNS Lookup is the process of resolving an IP address(i.e. 192.168.11.137) to a host name (i.e. xxxcompany.net). Figure 107

130 CHAPTER 5: CONFIGURING THE ROUTERStatus and Logs You can use the Status Screen to view version numbers for your Router’s software and hardware and

Status and Logs 131ADSL Status This screen shows ADSL modem status and statistics.Figure 110 ADSL Status ScreenATM PVC Status This screen shows ATM

132 CHAPTER 5: CONFIGURING THE ROUTERRouting Table This screen displays details for the default routing used by your Router and any routing created us

Status and Logs 133Traffic Statistics This screen shows the traffic statistics. Use the Refresh button to update the information. Note that the curren

134 CHAPTER 5: CONFIGURING THE ROUTERSupport/Feedback You can use the Support/Feedback screen to obtain support and help, and also provide feedback to

6TROUBLESHOOTINGBasic Connection ChecksThe Router has been designed to aid you when detecting and solving possible problems with your network. These p

136 CHAPTER 6: TROUBLESHOOTINGBrowsing to the Router Configuration ScreensIf you have connected your Router and computers together but cannot browse t

Connecting to the Internet 137 If the ADSL Sync LED is off or flashes but does not go to a steady on state, please go through the following steps bef

12 CHAPTER 1: INTRODUCING THE ROUTERFigure 1 Example Network Without a RouterWhen you use the Router in your network (Figure 2 and Figure 3), it bec

138 CHAPTER 6: TROUBLESHOOTING Ensure that you have entered the correct information into the Router configuration screens as required by your Interne

Wireless Networking 139Wireless Networking Ensure that you have an 802.11b or 802.11g or 802.11n wireless adapter for each wireless computer, and tha

140 CHAPTER 6: TROUBLESHOOTINGunsure try relocating both the wireless computers and the Router to establish whether this problem exists. Most wireles

Power Adapter 1414 Using the Web browser on the computer, enter the following URL in the location bar: http://192.168.1.1. This will connect you to th

142 CHAPTER 6: TROUBLESHOOTINGFor reference, the part number for the power adapter supplied for your region is: 3Com Number Region3C15VHUS US and Cana

Frequently Asked Questions 143Frequently Asked QuestionsHow do I reset the Router to Factory Defaults?See Forgotten Password and Reset to Factory Defa

144 CHAPTER 6: TROUBLESHOOTING

AIP ADDRESSINGThe Internet Protocol SuiteThe Internet Protocol suite consists of a well-defined set of communications protocols and several standard a

146 APPENDIX A: IP ADDRESSINGFor your network to work correctly, all devices on the network must have: The same sub-network address. The same subnet

How does a Device Obtain an IP Address and Subnet Mask? 147This type of IP Address operates on a subnet mask of ‘255.255.0.0’.See Ta ble 4 for an exam

Wireless 11n ADSL Firewall Router 13Figure 3 Example Network Using a Firewall Router (without splitter)

148 APPENDIX A: IP ADDRESSINGAuto-IP Addressing Network devices use automatic IP addressing if they are configured to acquire an address using DHCP bu

BTECHNICAL SPECIFICATIONSThis section lists the technical specifications for the 3Com Wireless 11n ADSL Firewall Router.3Com Wireless 11n Cable/DSL Fi

150 APPENDIX B: TECHNICAL SPECIFICATIONSStandard IEEE 802.11g, Direct Sequence Spread Spectrum (DSSS)Transmission rate: 54 Mbps, automatic fallback to

3Com Wireless 11n Cable/DSL Firewall Router 151Standards Functional: ISO 8802/3IEEE 802.3IEEE 802.11b, 802.11gSafety: EN 60950-1: 2001UL 60950-1IEC 60

152 APPENDIX B: TECHNICAL SPECIFICATIONSEthernet Performance The Router complies to the IEEE 802.3i, u and x specifications.Cable Specifications The R

CSAFETY INFORMATIONImportant Safety InformationWARNING: Warnings contain directions that you must follow for your personal safety. Follow all directio

154 APPENDIX C: SAFETY INFORMATIONWARNING: RJ-45 ports. These are shielded RJ-45 data sockets. They cannot be used as telephone sockets. Only connect

155VORSICHT: Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Gerät vorhanden. Wenn Sie ein Problem mit dem Router haben, da

156 APPENDIX C: SAFETY INFORMATIONconditions ne sont maintenues que si l'équipement auquel il est raccordé fonctionne dans les mêmes conditions.A

DEND USER SOFTWARE LICENSE AGREEMENT3Com CorporationEND USER SOFTWARE LICENSE AGREEMENTYOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BE

14 CHAPTER 1: INTRODUCING THE ROUTERRouter Advantages The advantages of the Router include: Shared Internet connection for both wired and wireless co

158 APPENDIX D: END USER SOFTWARE LICENSE AGREEMENTTRADE SECRETS; TITLE: You acknowledge and agree that the structure, sequence and organization of th

159

EOBTAINING SUPPORT FOR YOUR 3COM PRODUCTS3Com offers product registration, case management, and repair services through eSupport.3com.com. You must ha

Access Software Downloads 161Contact your authorized 3Com reseller or 3Com for additional product and support information. See the table of access num

162 APPENDIX E: OBTAINING SUPPORT FOR YOUR 3COM PRODUCTSTo send a product directly to 3Com for repair, you must first obtain a return materials author

Contact Us 163You can also obtain support in this region using this URL: http://emea.3com.com/support/email.htmlYou can also obtain non-urgent support

164 APPENDIX E: OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS

GLOSSARY802.11b The IEEE specification for wireless Ethernet which allows speeds of up to 11 Mbps. The standard provides for 1, 2, 5.5 and 11 Mbps dat

166 GLOSSARYAd Hoc mode Ad Hoc mode is a configuration supported by most wireless clients. It is used to connect a peer to peer network together witho

GLOSSARY 167DHCP Dynamic Host Configuration Protocol. This protocol automatically assigns an IP address for every computer on your network. Windows 95

Minimum System and Component Requirements 15Minimum System and Component RequirementsYour Router requires that the computer(s) and components in your

168 GLOSSARYFull Duplex A system that allows packets to be transmitted and received at the same time and, in effect, doubles the potential throughput

GLOSSARY 169IPSec IP Security. Provides IP network-layer encryption. IPSec can support large encryption networks (such as the Internet) by using digit

170 GLOSSARYPPPoE Point-to-Point Protocol over Ethernet. Point-to-Point Protocol is a method of data transmission originally created for dial-up conne

GLOSSARY 171TCP/IP Transmission Control Protocol/Internet Protocol. This is the name for two of the most well-known protocols developed for the interc

172 GLOSSARYWireless Client The term used to describe a desktop or mobile PC that is wirelessly connected to your wireless network.Wireless LAN Servic

173REGULATORY NOTICESFor 3Com Wireless 11n ADSL Firewall RouterGENERAL STATEMENTS The 3Com Wireless 11n ADSL Firewall Router (WL-603) must be installe

174The correction of interference caused by such unauthorized modification, substitution or attachment will be the responsibility of the user.Changes

175INDUSTRY CANADA - RF COMPLIANCEThis device complies with RSS-210 of the Industry Canada Rules. Operation is subject to the following two conditions

176Česky [Czech]3Com Coporation tímto prohlašuje, ze tento RLAN device je ve shodě se základními pozadavky a dalšími příslušnými ustanoveními směrnice

177A copy of the signed Declaration of Conformity can be downloaded from the Product Support web page for the 3Com Wireless 11n ADSL Firewall Router a

16 CHAPTER 1: INTRODUCING THE ROUTER1 Power LED (Illuminated Logo)WhiteThe 3Com logo serves as power OK indicator. This LED will light if the router i

178

INDEXNumbers128-bit WEP 46128-bit WEP Screen 461483 Bridge Mode 5564-bit WEP Screen 47AAccess Control Screen 62Add PC Screen 63Add Schedule Rule Scree

180 INDEXconfiguring 56MAC Address Filtering Screen 66mode 30NNAT (Network Address Translation) 68NAT-T (NAT Traversal) 68Networkaddresses 85Networkin

Physical Features 177 WPS LEDBlueWiFi Protected Setup (WPS) is a standard for easy and secure establishment of a wireless network, allowing wireless c

3Com Corporation350 Campus Drive,Marlborough, MAUSA 01752-3064Copyright © 2004, 2005, 2006, 2007, 2008, 3Com Corporation. All rights reserved. No part

18 CHAPTER 1: INTRODUCING THE ROUTERThe rear panel (Figure 5) of the Router contains one ADSL port, four LAN ports, one WiFi on/off button, a reset bu

Physical Features 194 WiFi On/Off buttonUse this button to turn on/turn off the wireless function. Press the button for 3 seconds. 5 Reset ButtonIf yo

20 CHAPTER 1: INTRODUCING THE ROUTER

2INSTALLING THE ROUTERIntroduction This chapter will guide you through a basic installation of the Router, including: Connecting the Router to the In

22 CHAPTER 2: INSTALLING THE ROUTERWhen positioning your Router, ensure: It is out of direct sunlight and away from sources of heat. Cabling is away

Powering Up the Router 23MountingInstructions forWood WallsTo wall mount the unit:1 Make two holes 98 mm (3.9 in.) apart.2 Fix two suitable screws dir

24 CHAPTER 2: INSTALLING THE ROUTERFigure 6 Connecting the Router (with splitter)Figure 7 Connecting the Router (without splitter)1 Run the provid

Connecting the Router 252 Then: If you are using a full-rate (G.dmt) connection, your service provider will attach the outside ADSL line to a data/vo

26 CHAPTER 2: INSTALLING THE ROUTERFigure 9 Installing without a splitterYou have now completed the hardware installation of your Router. Next you n

3SETTING UP YOUR COMPUTERSThe Router has the ability to dynamically allocate network addresses to the computers on your network, using DHCP. However,

CONTENTSABOUT THIS GUIDENaming Convention 7Conventions 8Feedback About This User Guide 9Related Documentation 9INTRODUCING THE ROUTERWireless 11n ADSL

28 CHAPTER 3: SETTING UP YOUR COMPUTERSFigure 10 Local Area Properties Screen6 Ensure that the options Obtain an IP address automatically, and Obtai

Obtaining an IP Address Automatically 29Windows Vista1 From the Windows Start Menu, select Settings > Network.2 Click on Organize. Select Propertie

30 CHAPTER 3: SETTING UP YOUR COMPUTERSWindows XP1 From the Windows Start Menu, select Control Panel.2 Click on Network and Internet Connections.3 Cli

Disabling PPPoE and PPTP Client Software 31Disabling PPPoE and PPTP Client SoftwareIf you have PPPoE client software installed on your computer, you w

32 CHAPTER 3: SETTING UP YOUR COMPUTERS

4RUNNING THE SETUP WIZARDAccessing the Router using the 3Com Detect ApplicationThe 3Com Detect application works by automatically locating your Router

34 CHAPTER 4: RUNNING THE SETUP WIZARDFigure 15 3Com Detect ApplicationIf the computer has multiple network adapters, select the adapter that connec

Accessing the Setup Wizard 35Figure 18 Router List ScreenAccessing the Setup WizardThe Router setup program is Web-based, which means that it is acc

36 CHAPTER 4: RUNNING THE SETUP WIZARD4 To log in as an administrator, enter the password (the default password is admin) in the System Password field

Accessing the Setup Wizard 37The Wizard will then launch automatically (refer to Figure 24). You will be guided step by step through a basic setup pro

Windows Vista 29Windows XP 30Macintosh 30Disabling PPPoE and PPTP Client Software 31Disabling Web Proxy 31RUNNING THE SETUP WIZARDAccessing the Router

38 CHAPTER 4: RUNNING THE SETUP WIZARDFigure 23 Password Screen1 To change the current password, enter the password in the Current Password field. 2

Accessing the Setup Wizard 39Wizard - Time andTime ZoneThe Time and Time Zone screen allows you to set up the time for the Router.Figure 25 Time and

40 CHAPTER 4: RUNNING THE SETUP WIZARDWizard - ConnectionTypeThe Connection Type screen allows you to set up the Router for the type of Internet conne

Accessing the Setup Wizard 41PPPoEPPPoE is often used for DSL connection. To set up the Router for use with a PPPoE (PPP over Ethernet) connection, us

42 CHAPTER 4: RUNNING THE SETUP WIZARDPPPoA To set up the Router for use with a PPP over ATM (PPPoA) connection, use the following procedure:Figure 28

Accessing the Setup Wizard 43Bridge Mode (for a single PC) Selecting the Bridge mode sets the device into 1483 bridging mode in which the device conne

44 CHAPTER 4: RUNNING THE SETUP WIZARDRouting Mode over ATMThe Routing Mode over ATM uses fixed/static IP addresses, which are provided by your ISP, t

Accessing the Setup Wizard 45Dynamic/Fixed IP in 1483 Bridge Mode (For Multiple PCs) For bridge mode to work, you need to assign an IP address to the

46 CHAPTER 4: RUNNING THE SETUP WIZARDWizard - LAN Settings The LAN Settings screen allows you to set the default IP address and DHCP client IP range

Accessing the Setup Wizard 47Wizard - WirelessSettingThe Wireless Settings screen allows you to set up the SSID and radio channel used for the wireles

DNS 88Clone MAC address 89Firewall 90SPI 90Special Applications 94Virtual Servers 95DMZ 96PC Privileges 97Schedule Rule 99URL Filter 100Advanced 101Se

48 CHAPTER 4: RUNNING THE SETUP WIZARDFigure 34 Security Mode Screen64-bit WEP WEP is the basic mechanism to transmit your data securely over the wi

Accessing the Setup Wizard 492 Click Next. Note that all four WEP keys on each device of the same wireless network must be identical.128-bit WEPWEP is

50 CHAPTER 4: RUNNING THE SETUP WIZARDWPA-PSK (no server)WPA (Wi-Fi Protected Access) provides dynamic key changes and constitutes the best security s

Accessing the Setup Wizard 51WPA with Radius ServerWPA (Wi-Fi Protected Access) provides dynamic key changes and constitutes the best security solutio

52 CHAPTER 4: RUNNING THE SETUP WIZARDWizard -ConfigurationSummaryWhen you have completed the Setup Wizard, a configuration summary will appear. Verif

5CONFIGURING THE ROUTERNavigating through the Router Configuration ScreensThis chapter describes all the screens available through the Router configur

54 CHAPTER 5: CONFIGURING THE ROUTERLAN Settings Your Router is equipped with a DHCP server that will automatically assign IP addresses to each comput

LAN Settings 551 Enter the Router’s IP Address and Subnet Mask in the appropriate fields. The default IP address is 192.168.1.1.2 If you want to use t

56 CHAPTER 5: CONFIGURING THE ROUTER Host Name — The client machine’s host name, if configured. MAC Address — The Media Access Control (MAC) address

Wireless Settings 57Wireless Settings The Wireless Settings screens allow you to configure the settings for the wireless connections.You can enable or

Support/Feedback 134Support 134Feedback 134TROUBLESHOOTINGBasic Connection Checks 135Browsing to the Router Configuration Screens 136Connecting to the

58 CHAPTER 5: CONFIGURING THE ROUTERConfiguration The Wireless Configuration Screen allows you to turn on/ turn off the wireless function, and set up

Wireless Settings 596 Select whether your Router will operate in 11b mode only, 11g mode only, 11n mode only, or mixed mode from the Wireless Mode dro

60 CHAPTER 5: CONFIGURING THE ROUTEREncryption This feature prevents any non-authorized party from reading or changing your data over the wireless net

Wireless Settings 6164-bit WEPWEP is the basic mechanism to transmit your data securely over the wireless network. Matching encryption keys must be se

62 CHAPTER 5: CONFIGURING THE ROUTER128-bit WEPWEP is the basic mechanism to transmit your data securely over the wireless network. Matching encryptio

Wireless Settings 63WPA-PSK (no server)WPA (Wi-Fi Protected Access) provides dynamic key changes and constitutes the best security solution. If your n

64 CHAPTER 5: CONFIGURING THE ROUTERWPA (with RADIUS Server)WPA (Wi-Fi Protected Access) provides dynamic key changes and constitutes the best securit

Wireless Settings 65WPS Wi-Fi Protected Setup (WPS) integrates the new WLAN clients into your wireless network easily. You can enable this function by

66 CHAPTER 5: CONFIGURING THE ROUTER WPS-PBC1 Press the WPS button located on the rear of the Router. Note that this setup process will only be activ

Wireless Settings 67Connection Control This feature is used to filter the clients based on their MAC addresses. Using this function, you can limit the

SAFETY INFORMATIONEND USER SOFTWARE LICENSE AGREEMENTOBTAINING SUPPORT FOR YOUR 3COM PRODUCTSRegister Your Product to Gain Service Benefits 160Solve P

68 CHAPTER 5: CONFIGURING THE ROUTERClient List You can view the list of all wireless clients that are connected to the Router. Figure 52 Client Lis

Wireless Settings 69Access Categories – WMM defines four access categories (ACs): voice, video, best effort, and background. These categories correspo

70 CHAPTER 5: CONFIGURING THE ROUTERCWMin (Minimum Contention Window) – The initial upper limit of the random backoff wait time before wireless medium

Wireless Settings 71WDS The Router supports WDS (Wireless Distribution System). WDS enables one or more Access Points to rebroadcast received signals

72 CHAPTER 5: CONFIGURING THE ROUTERFigure 55 Add WDS screen On the add WDS screen, enter the MAC address of the access point, up to 4 APs can be ad

Wireless Settings 73Figure 56 First Router Add WDS ScreenAccess the Web UI of the second Router, repeat the above steps to add the first Router to t

74 CHAPTER 5: CONFIGURING THE ROUTERAdvanced The Advanced screen allows you to configure detailed settings for your wireless connection. Please note t

Wireless Settings 75 AP Isolation Mode: AP Isolation is a function to prevent wireless clients connected with the device from communicating with one

76 CHAPTER 5: CONFIGURING THE ROUTERInternet Settings You can configure the settings for your WAN port connection.ATM PVC This feature is used to conf

Internet Settings 77DisableSelecting this option means that you do not want your Router to connect to the Internet. Figure 60 Disable Internet Conne

78 CHAPTER 5: CONFIGURING THE ROUTER1 Select PPPoE from the protocol drop-down menu.2 Enter the IP address and Subnet mask information. 3 Enter the us

Internet Settings 7912 QoS Class: select CBR, UBR or VBR. CBR (constant bit rate): the CBR service class is intended for real-time applications, for

80 CHAPTER 5: CONFIGURING THE ROUTERPPPoAPPP over ATM, this is a popular choice among European DSL providers. To configure this function correctly, yo

Internet Settings 817 IPCP is used by PPP protocol to get one IP address from the PPP server. IPCP subnet function allows you to obtain a subnet (IP a

82 CHAPTER 5: CONFIGURING THE ROUTERBridge ModeIf your ISP limits access to the Internet to specific computers, this means that traffic to/from these

Internet Settings 83 VBR (variable bit rate): QoS class defined by the ATM Forum for ATM networks. VBR is subdivided into a real time (RT) class and

84 CHAPTER 5: CONFIGURING THE ROUTERRouting Mode over ATM RFC1483/2684 routed encapsulation in routing mode, it carries IP datagrams directly over ATM

Internet Settings 859 QoS Class: select CBR, UBR or VBR. CBR (constant bit rate): the CBR service class is intended for real-time applications, for e

86 CHAPTER 5: CONFIGURING THE ROUTERDynamic/Fixed IP in 1483 Bridge ModeDynamic/Fixed IP in 1483 Bridge Mode uses the same encapsulation as 1483 Bridg

Internet Settings 876 If your ISP uses DHCP to automatically assign IP addresses, check the DHCP Client checkbox.7 Check the Add Default Route checkbo

ABOUT THIS GUIDEThis guide describes how to install and configure the 3Com Wireless 11n ADSL Firewall Router (3CRWDR300A-73, 3CRWDR300B-73).This guide

88 CHAPTER 5: CONFIGURING THE ROUTERDNS Domain Name Service (or Server) is an Internet service that translates domain names into IP addresses. Because

Internet Settings 89Clone MAC address To configure the hostname and Clone MAC Address information for your Router, select Internet Settings, then go t

90 CHAPTER 5: CONFIGURING THE ROUTERFirewall This section is for configuration settings of the Router’s firewall function.Your Router is equipped with

Firewall 91To enable the firewall function:1 Select the level of protection (High, Medium, or Low) that you desire from the Firewall level drop-down m

92 CHAPTER 5: CONFIGURING THE ROUTERFigure 70 High Level Firewall Protection Screen If you select high level of protection, you would have an option

Firewall 93 Total incomplete TCP/UDP sessions HIGH - Defines the rate of new unestablished sessions that will cause the software to start deleting ha

94 CHAPTER 5: CONFIGURING THE ROUTERSpecial Applications Special Applications (port triggering) let you choose specific ports to be open for specific

Firewall 95Virtual Servers The Virtual servers feature allows you to route external (Internet) calls for services such as a web server (port 80), FTP

96 CHAPTER 5: CONFIGURING THE ROUTER3 Specify the public port that will be seen by clients on the Internet, and the LAN port which the traffic will be

Firewall 97address is not known, or if more than one PC on the Internet will need to access the DMZ PC, then set the Public IP Address to 0.0.0.0.In t