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Firewall

95

Virtual Servers

The Virtual servers feature allows you to route external (Internet) calls for
services such as a web server (port 80), FTP server (Port 21), or other
applications through your Router to your internal network. Since your
internal computers are protected by a firewall, machines from the
Internet cannot get to them because they cannot be 'seen'.

If you need to configure the Virtual Server function for a specific
application, you will need to contact the application vendor to find out
which port settings you need.

The maximum number of virtual servers that can be configured is 20.

Figure 72

Virtual Servers Screen

A list of popular servers has been included to choose from. Select the
server from the

Popular servers

drop-down menu. Then click

Add

, your

selection will be added to the table.

If the server that you want to use is not listed in the drop-down menu,
you can manually add the virtual server to the table. To manually
configure your virtual servers:

1

Enter the IP address, and the description in the spaces provided for the
internal machine.

2

Select the protocol type (TCP, UDP, or both TCP and UDP) from the
drop-down menu.

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Содержание WL-603

Страница 1: ...http www 3Com com Part No 10016794 Rev AA Published July 2008 Wireless 11n ADSL Firewall Router User Guide WL 603 3CRWDR300A 73 3CRWDR300B 73...

Страница 2: ...am or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be...

Страница 3: ...14 Minimum System and Component Requirements 15 Physical Features 15 INSTALLING THE ROUTER Introduction 21 Safety Information 21 Positioning the Router 21 Using the Rubber Feet 22 Wall Mounting 22 Mo...

Страница 4: ...38 Wizard Time and Time Zone 39 Wizard Connection Type 40 Wizard LAN Settings 46 Wizard Wireless Setting 47 Wizard Configuration Summary 52 CONFIGURING THE ROUTER Navigating through the Router Config...

Страница 5: ...VLAN 104 Static Routes 106 RIP 108 DDNS 110 SNMP 111 Syslog 112 Proxy ARP 113 QoS Settings 114 Traffic Mapping 115 VPN 117 System Tools 124 Restart Router 124 Configuration 124 Upgrade 125 Time Zone 1...

Страница 6: ...etworking 139 Recovering from Corrupted Software 140 Power Adapter 141 Frequently Asked Questions 143 IP ADDRESSING The Internet Protocol Suite 145 Managing the Router over the Network 145 IP Addresse...

Страница 7: ...YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 160 Solve Problems Online 160 Purchase Extended Warranty and Professional Services 160 Access Software Downloads 161 Contact Us 161 T...

Страница 8: ......

Страница 9: ...e of ADSL connector and type of cable supplied with your Router for connection to your telephone line If a release note is shipped with the 3Com Wireless 11n ADSL Firewall Router and contains informat...

Страница 10: ...jury Table 2 Text Conventions Convention Description The words enter and type When you see the word enter in this guide you must type something and then press Return or Enter Do not press Return or En...

Страница 11: ...Document title Document part number on the title page Page number if appropriate Example 3Com Wireless 11n ADSL Firewall Router User Guide Part Number 10016794 Rev AA Page 24 Do not use this e mail ad...

Страница 12: ...10 ABOUT THIS GUIDE...

Страница 13: ...to provide a cost effective means of sharing a single broadband Internet connection amongst several wired and wireless computers The Router also provides protection in the form of an electronic firewa...

Страница 14: ...outer in your network Figure 2 and Figure 3 it becomes your connection to the Internet Connections can be made directly to the Router or to an OfficeConnect Switch or Hub expanding the number of compu...

Страница 15: ...Wireless 11n ADSL Firewall Router 13 Figure 3 Example Network Using a Firewall Router without splitter...

Страница 16: ...ote access to Web FTP and other services on your network Security Firewall protection against Internet hacker attacks and encryption to protect wireless network traffic Package Contents The Router kit...

Страница 17: ...0 Mbps or 10 100 1000 Mbps NIC for each computer to be connected to the LAN port on your Router An 802 11b 802 11g or 802 11n draft2 0 compliant wireless NIC An active ADSL subscription and connection...

Страница 18: ...g configuration at power up 4 ADSL Data Blue Fast flash means transmitting receiving data Slow flash means ADSL connection is down 5 Wireless LAN WLAN Status LED Blue If the LED is on it indicates tha...

Страница 19: ...t should be connected to the Router using WPS at any one time Attempting to connect two or more clients at once may result in connection failures When the WPS button is pressed or WPS is initiated usi...

Страница 20: ...N Do not force the antennae beyond their mechanical stops Rotating the antennae further may cause damage 2 ADSL Port RJ 11 port 3CRWDR300A 73 RJ 45 port 3CRWDR300B 73 connect this port with the teleph...

Страница 21: ...r to Forgotten Password and Reset to Factory Defaults on page 138 for further details 6 Power Adapter Socket Only use the power adapter that is supplied with this Router Do not use any other adapter 7...

Страница 22: ...20 CHAPTER 1 INTRODUCING THE ROUTER...

Страница 23: ...illez lire attentivement la section Consignes importantes de s curit avant de mettre en route Positioning the Router You should place the Router in a location that is conveniently located for connecti...

Страница 24: ...when you put 3Com 11n ADSL Router on top of another unit if the unit underneath is hot this may impact the reliability of 3Com 11n ADSL Router Wall Mounting There are two slots on the underside of th...

Страница 25: ...push the Router on to the wall and move it downwards to secure CAUTION When making connections be careful not to push the unit up and off the wall Powering Up the Router To power up the Router 1 Plug...

Страница 26: ...providing ADSL service to the ADSL port on your Router When inserting an ADSL RJ 11 Annex A or RJ 45 Annex B plug be sure the tab on the plug clicks into position to ensure that it is properly seated...

Страница 27: ...If you are using a splitterless G lite connection then your service provider will attach the outside ADSL line directly to your phone system In this case you can connect your phones and computer dire...

Страница 28: ...nfiguration from a computer that is directly connected to one of the LAN ports If you configure the Router from a wireless computer note that you may lose contact with the Router if you change the wir...

Страница 29: ...follow the instructions in this chapter Obtaining an IP Address Automatically Windows 2000 If you are using a Windows 2000 based computer use the following procedure to change your TCP IP settings 1...

Страница 30: ...Area Properties Screen 6 Ensure that the options Obtain an IP address automatically and Obtain DNS server address automatically are both selected as shown in Figure 11 Click OK Figure 11 Internet Pro...

Страница 31: ...roperties and click continue 5 A screen similar to Figure 12 should appear Select Internet Protocol Version 6 Version 4 TCP IPv6 v4 and click on Properties Figure 12 Local Area Connection Properties S...

Страница 32: ...ck on Properties 6 Ensure that the options Obtain an IP address automatically and Obtain DNS servers automatically are both selected Click OK 7 Restart your computer Macintosh If you are using a Macin...

Страница 33: ...en similar to Figure 14 should be displayed 4 Select the Never dial a connection option Figure 14 Internet Properties Screen You may want to remove the PPPoE client software from your computer to free...

Страница 34: ...32 CHAPTER 3 SETTING UP YOUR COMPUTERS...

Страница 35: ...tion to the documentation the 3Com Detect Application To use 3Com Detect to connect to the Web interface of your Router do the following On the computer that is connected to your Router either directl...

Страница 36: ...n for a connected Router default or specifying an IP range Note that specifying a large range may take some time for the search to complete see Figure 16 and Figure 17 Figure 16 Discovery Screen searc...

Страница 37: ...rer 6 0 or higher or Mozilla 1 2 1 or higher or Apple s Safari To use the Setup Wizard 1 Ensure that you have at least one computer connected to the Router Refer to Chapter 2 for details on how to do...

Страница 38: ...appear see Figure 21 Please select the country form the drop down menu and click Apply 1 To comply with US FCC regulations operation for any country is limited to channels from 1 to 11 2 Customers ou...

Страница 39: ...2 There are three tabs Notice Board Password and Wizard Figure 22 Welcome Screen Go to the Notice Board tab to see the current software information To view the Web help click the Help button Go to the...

Страница 40: ...the time period in Login Timeout to set a maximum period of time for which the login session is maintained during inactivity default 10 minutes Then click Apply Wizard Change Password To ensure the se...

Страница 41: ...u want to automatically synchronize the Router with a public time server check the Enable box in the Using Time Server NTP field 3 Select the time zone in the Set Time Zone drop down menu 4 Enter the...

Страница 42: ...pe Screen Select a mode from the following options and click Next PPPoE PPP over Ethernet providing routing for multiple PCs see page 41 PPPoA PPP over ATM providing routing for multiple PCs see page...

Страница 43: ...he Username field 2 Enter your password in the Password field 3 Re type your password in the Retype Password field 4 Enter your VPI and VCI information in the VPI VCI fields 5 Select the encapsulation...

Страница 44: ...2 Enter your password in the Password field 3 Re type your password in the Retype Password field 4 Enter your VPI and VCI information in the VPI VCI fields 5 Select the encapsulation type LLC or VC MU...

Страница 45: ...ng the data between them based on the hardware address To set up the Router for use with an RFC1483 bridged connection use the following procedure Figure 29 Bridged Mode Screen 1 Enter your VPI and VC...

Страница 46: ...dress in the WAN IP field 2 Enter the subnet mask in the Subnet Mask field 3 Enter the default gateway IP address in the Default Gateway field 4 Enter the DNS address in the DNS field 5 Enter your VPI...

Страница 47: ...check the Get WAN IP By DCHP checkbox and then click Next To assign a fixed IP address 1 Enter your IP address in the WAN IP field 2 Enter the subnet mask in the Subnet Mask field 3 Enter the default...

Страница 48: ...the new IP address in the IP Address field and then enter the subnet mask in the Subnet Mask field 2 Check the Enable DHCP Server box to enable the DHCP function 3 Enter the client IP address range i...

Страница 49: ...etwork an unique name For advanced settings please click Wireless Settings on the left menu bar after completing this Setup Wizard setting 3 Click Next The security mode screen appears Security Mode S...

Страница 50: ...4 bit WEP Screen To enable 64 bit WEP 1 You can enter the 64 bit WEP key manually Enter the WEP key as 5 pairs of hex digits 0 9 A F Or you can generate the 64 bit WEP key automatically Enter a memora...

Страница 51: ...client devices to use WEP Figure 36 128 bit WEP To enable 128 bit WEP 1 You can enter the 128 bit WEP key manually enter your WEP key as 13 pairs of hex digits 0 9 A F Or you can generate the 128 bit...

Страница 52: ...for WPA AES for WPA2 and AES for both WPA and WPA2 WPA supports TKIP and AES Encryption technique for some old module of wireless client cards they may only support TKIP In this case we suggest you to...

Страница 53: ...for WPA2 and AES for both WPA and WPA2 WPA supports TKIP and AES Encryption technique for some old module of wireless client cards they may only support TKIP In this case we suggest you to select AUTO...

Страница 54: ...will appear Verify the configuration information of the Router and then click Apply to save your settings 3Com recommends that you print out this page for your records Figure 39 Configuration Summary...

Страница 55: ...efault IP is http 192 168 1 1 However if you changed the Router LAN IP address during initial configuration use the new IP address instead Enter your password to login to the management interface The...

Страница 56: ...ask The default setting is 255 255 255 0 Enable Disable the DHCP Server Function The default is Enable Specify the Starting and Ending IP Pool address The default is Starting 2 Ending 254 Specify the...

Страница 57: ...for each computer 5 Specify the Local Domain Name for your network this step is optional 6 Enter the IP address of the NBX Call Processor in the 3Com NBX Call Processor field this step is optional 7 C...

Страница 58: ...e Whether the client is connected to the Router by wired or wireless connection Check the Fix checkbox to permanently fix the IP address Click Release to release the displayed IP address Click Add to...

Страница 59: ...You can enable or disable the wireless connection for your LAN When disabled no wireless PCs can gain access to either the Internet or other PCs on your wired or wireless LAN through this Router Figur...

Страница 60: ...SSID to be used by your wireless network in the SSID field If there are other wireless networks in your area you should give your wireless network an unique name 5 Enable or disable SSID Broadcast A...

Страница 61: ...when your wireless mode is 802 11n or 11n with 11b 11 g mixed mode If your wireless network is purely 11b only or 11g only or 11b and 11g mixed select 20 MHz 8 Select to turn on off the Protected Mode...

Страница 62: ...down menu and click Apply There are five selections Disabled 64 bit WEP see page 61 128 bit WEP see page 62 WPA PSK no server this option includes both WPA and WPA2 see page 63 WPA with RADIUS Server...

Страница 63: ...1 You can enter the 64 bit WEP key manually enter the WEP key as 5 pairs of hex digits 0 9 A F Or you can generate the 64 bit WEP key automatically enter a memorable passphrase in the Passphrase fiel...

Страница 64: ...wireless connection Figure 47 128 bit WEP Screen To setup 128 bit WEP 1 You can enter the 128 bit WEP key manually enter your WEP key as 13 pairs of hex digits 0 9 A F Or you can generate the 128 bit...

Страница 65: ...WPA AES for WPA2 and AES for both WPA and WPA2 WPA supports TKIP and AES Encryption technique for some old module of wireless client cards they may only support TKIP In this case we suggest you to sel...

Страница 66: ...A2 and AES for both WPA and WPA2 WPA supports TKIP and AES Encryption technique for some old module of wireless client cards they may only support TKIP In this case we suggest you to select AUTO for W...

Страница 67: ...ss NIC on this screen PIN 1 Check the Enable WPS Function box The WPS PIN field will appear 2 Enter the PIN code in the WPS PIN field And then click Apply Please note that the PIN code is generated th...

Страница 68: ...way the LED will flash slowly If the connection has been successful the WPS LED will remain illuminated for 5 minutes If the connection attempt has failed the WPS LED will flash rapidly for 5 minutes...

Страница 69: ...ons available in the Access rule for registered MAC address field if you click Allow this means only the MAC addresses registered here in the list will be allowed to access the Router via wireless lin...

Страница 70: ...sh to update the list WMM Wireless Multimedia WMM mode which supports devices that meet the 802 11E QBSS standard WMM uses traffic priority based on the four ACs Voice Video Best Effort and Background...

Страница 71: ...ime before the next data transmission attempt Specify the AIFS value in the range 0 15 microseconds CWMax Maximum Contention Window The maximum upper limit of the random backoff wait time before wirel...

Страница 72: ...d a transmit opportunity it can transmit data for a time up to the TxOp Limit This data bursting greatly improves the efficiency for high data rate traffic Specify a value in the range 0 65535 microse...

Страница 73: ...ill interoperate In addition the security settings for WDS links should be the same as the one set up for your wireless clients Figure 54 Wireless WDS Settings Screen 1 Check the Enable WDS Function c...

Страница 74: ...nnel and wireless mode Set the wireless security setting and enable wireless WDS function Setting of the second Router Set the LAN IP setting use a different IP address from the IP address of the firs...

Страница 75: ...s Settings 73 Figure 56 First Router Add WDS Screen Access the Web UI of the second Router repeat the above steps to add the first Router to the WDS table see Figure 57 Figure 57 Second Router Add WDS...

Страница 76: ...ng to broadcast and multicast messages Fragmentation Threshold this is the maximum size for directed data packets transmitted The use of fragmentation can increase the reliability of frame transmissio...

Страница 77: ...nicating with one another When enabled this creates a separate virtual network for your wireless network each of your wireless client will be in its own virtual network and will not be able to communi...

Страница 78: ...ady contains information that s been configured using the Wizard in the initial setup If you want to change that information or set up other connection click Edit There are six options available for t...

Страница 79: ...connect to the Internet Figure 60 Disable Internet Connection Screen PPPoE PPP over Ethernet provides routing for multiple PCs this mode is often used for the DSL connection To configure this functio...

Страница 80: ...Do not make changes to this setting unless your ISP specifically requires a different setting other than 1454 7 IPCP is used by PPP protocol to get one IP address from the PPP server IPCP subnet funct...

Страница 81: ...NRT class VBR RT is used for connections in which there is a fixed timing relationship between samples VBR NRT is used for connections in which there is no fixed timing relationship between samples bu...

Страница 82: ...Username field And enter the password assigned to you by your ISP in the Password field Re enter your password in the Confirm Password field 4 Select always connected auto or manual from the Connect t...

Страница 83: ...R CBR constant bit rate the CBR service class is intended for real time applications for example those requiring tightly constrained delay and delay variation such as voice and video applications The...

Страница 84: ...ect Bridge Mode from the Protocol drop down menu 2 Select VLAN 3 Enter the VPI VCI values Or click Auto Search to find out the values VPI Virtual Path Identifier and VCI Virtual Circuit Identifier num...

Страница 85: ...ing relationship between samples but that still need a guaranteed QoS Compare with ABR CBR and UBR UBR unspecified bit rate the UBR service class is intended for delay tolerant or non real time applic...

Страница 86: ...lt gateway information 3 If your ISP provides DNS information check the DNS Automatic from ISP box 4 If the ISP requires you to input a Host Name enter it in the Host Name field 5 If your ISP uses DHC...

Страница 87: ...RT class VBR RT is used for connections in which there is a fixed timing relationship between samples VBR NRT is used for connections in which there is no fixed timing relationship between samples but...

Страница 88: ...5 IPoEoA adopts a three layer architecture with IP encapsulation at the uppermost layer IP over Ethernet IPoE in the middle and IPoEoA at the bottom When a device is connected to a remote access serve...

Страница 89: ...ty of a fixed quantity of bandwidth is considered appropriate for CBR service VBR variable bit rate QoS class defined by the ATM Forum for ATM networks VBR is subdivided into a real time RT class and...

Страница 90: ...14 Figure 66 DNS Screen If the DNS information is automatically provided by your ISP every time you connect to it check the Automatic from ISP checkbox this is the default setting If your ISP provide...

Страница 91: ...1 Some ISPs require a host name If your ISP has this requirement enter the host name in the Host Name field 2 Three different ways to configure the WAN MAC Address If your ISP requires an assigned MA...

Страница 92: ...cket Inspection SPI The Intrusion Detection Feature of the Router limits access for incoming traffic at the WAN port This feature is called a stateful packet inspection because it examines the content...

Страница 93: ...h off For medium level of firewall protection DoS is on but SPI is off For high level of firewall protection refer to Figure 70 Both DoS and SPI are on for this level of firewall protection The higher...

Страница 94: ...structure for use by another packet TCP SYN wait Defines how long the software will wait for a TCP session to synchronize before dropping the session TCP FIN wait Specifies how long a TCP session will...

Страница 95: ...ber of allowed incomplete TCP UDP sessions per minute Maximum incomplete TCP UDP sessions number from same host Maximum number of incomplete TCP UDP sessions from the same host Incomplete TCP UDP sess...

Страница 96: ...setting for that application If your application is not listed you will need to check with the application vendor to determine which ports need to be configured You can manually enter the port inform...

Страница 97: ...pplication vendor to find out which port settings you need The maximum number of virtual servers that can be configured is 20 Figure 72 Virtual Servers Screen A list of popular servers has been includ...

Страница 98: ...t up to unrestricted two way Internet access This may be necessary if the NAT feature is causing problems with an application such as a game or video conferencing application Figure 73 DMZ Screen Use...

Страница 99: ...ly PC Privileges The Router can be configured to restrict access to the Internet email or other network services at specific days and times Restriction can be set for a single computer a range of comp...

Страница 100: ...b sites and keywords defined in this screen will not be filtered out 3 Select the services to be blocked A list of popular services is listed on this screen to block a particular service check the app...

Страница 101: ...define the rules in the PC Privileges screen see page 97 Figure 76 Schedule Rule Screen 1 Click Add Rule to add a schedule rule refer to Figure 77 Figure 77 Add Schedule Rule Screen 2 Enter a name and...

Страница 102: ...x Figure 78 URL Filter Screen 1 Check the Enable URL Filtering Function checkbox The rule table will appear 2 Enter the URL address or keywords in the URL Keyword field 3 Select Denied or Allowed from...

Страница 103: ...to set additional parameter details for the Router You can configure Security VLAN Static Routes RIP DDNS SNMP Syslog Proxy Arp QoS Settings Security Use the Security screen to set the advanced secur...

Страница 104: ...nd Play compliant Some applications require the Router s firewall to be configured in a specific way to operate properly This usually requires opening TCP and UDP ports and in some instances setting t...

Страница 105: ...d by some firewalls When this occurs the packet is dropped To allow the message to go through the firewall enable MSS Clamping MSS clamping will make Internet Connection Sharing set the MSS value low...

Страница 106: ...ee other benefits It eases the change and movement of devices on IP networks With traditional IP networks network administrators spend much of their time dealing with moves and changes If users move t...

Страница 107: ...cription field Enter the IP Address and subnet mask in the corresponding fields Select to set the NAT Domain as public or private IGMP Snooping enabling it will turn on the feature that allows an Ethe...

Страница 108: ...of the VPN tunnel Figure 82 Static Routes Screen To add a static route entry to the table click Add see Figure 83 To change an existing entry click Edit To delete an entry click Delete Figure 83 Add...

Страница 109: ...u should only configure either the Gateway information or select the Interface After you have finished making changes to the table click Apply Here is an example of setting up a static route IP addres...

Страница 110: ...zation sends simplified routing data to other RIP enabled devices rather than full routing data 3 Select the Operation Mode Disable RIP is not enabled for the WAN or LAN interface Enable RIP is enable...

Страница 111: ...nt to each other preventing data loops 6 Use the Authentication Required field to choose the mode of authentication None Switches off authentication on the specified interface Password An unencrypted...

Страница 112: ...hostname that points to your dynamic IP or static IP address or URL Before you set up DDNS you must obtain an account password or key and static domain name from your DDNS provider The Router supports...

Страница 113: ...nfigure SNMP Community 1 In the Community column enter the name of the SNMP communication channel Your SNMP management agent needs to be configured with this name so that it can communicate with your...

Страница 114: ...me of the SNMP communication channel to which you want your Router to send status messages 3 Set the Version field to match the version of trap messaging that your SNMP management agent supports The R...

Страница 115: ...r machine By faking its identity the Router accepts responsibility for routing packets to the real or intended destination This heightens the security for your network Figure 89 Proxy ARP Screen 1 Che...

Страница 116: ...ations such as VoIP gaming and VPN This QoS function allows you to classify traffic of applications and provides them with differentiated services Diffserv Figure 90 QoS Settings Screen 1 Check the En...

Страница 117: ...dd the Edit Traffic Class screen will appear Figure 92 Edit Traffic Class Screen 1 Define the Rule name 2 Select the traffic type from drop down menu 3 Select the forwarding group from the Map to Forw...

Страница 118: ...116 CHAPTER 5 CONFIGURING THE ROUTER Figure 93 Detailed Edit Traffic Class Screen Enter the information then click Apply to make the settings to take effect...

Страница 119: ...to administer PPTP does not support gateway to gateway connections and is only suitable for connecting remote users Check that your ISP s routers support this protocol before you use it Note Enabling...

Страница 120: ...OUTER Figure 94 VPN Screen 1 Check the Enable IPSec box configuration details screen appears Figure 95 Enable IPSec Screen 2 Enter the Local ID Name of your VPN the default is 3ComVPN 3 Click Add to c...

Страница 121: ...tered identically on the IPSec software installed on the client s machine If IP_IPV4_ADDR is selected then enter the IP address and subnet mask in the Remote Network Address and Remote Subnet Mask fie...

Страница 122: ...hentication Algorithm drop down menu Both ends of the connection must use the same value 10 Select DES 3DES Null AES 128 AES 192 or AES 256 from the Encrypt Algorithm drop down menu Both ends of the c...

Страница 123: ...e 97 Figure 97 Enable L2TP Screen 1 Enter the Pre shared Key for L2TP Server over IPSec Setting 2 Define the IP Address Pool for L2TP clients enter the start end address 3 Click Add to create a new en...

Страница 124: ...onnect box if you want to auto reconnect after disconnection if the L2TP Type Setting is set to L2TP Server go to step 6 6 Check the box to enable the Remote Network Setting and then enter the Remote...

Страница 125: ...as PPTP Client then set the Local Type Setting to Network or Host then enter the Remote Server IP Check the Auto reconnect box if you want to auto reconnect after disconnection if the PPTP Type Settin...

Страница 126: ...etimes it may be necessary to restart or reboot the Router Restarting the Router from this screen will not delete any of your configuration settings Click the Restart the Router button to restart the...

Страница 127: ...k Restore Reset to Factory Default Using this option will reset all of the settings in the Router to the factory default settings It is recommended that you backup your settings before you restore all...

Страница 128: ...ord the security log and control client filtering Select the time zone that you reside in If you reside in an area that observes Daylight Saving then check the Enable Daylight Savings box The system c...

Страница 129: ...working properly Figure 105 Ping Screen 1 Enter the IP address or domain name in the IP Address or Domain Name field and click Ping 2 Select from the Number of times to Ping drop down menu 3 The Rout...

Страница 130: ...tions to a given server might be poor and can often help you figure out where exactly the problem is It also shows you how systems are connected to each other letting you see how your ISP connects to...

Страница 131: ...in the IP Address or Domain Name field and click DNS lookup 2 The Router keeps a log of the DNS lookup test click Clear Log to delete the records Diagnostic This screen is designed to collect diagnost...

Страница 132: ...sion numbers for your Router s software and hardware and check the status of connections to Internet LAN and WLAN interfaces Status This screen shows Router status and statistics Release use this butt...

Страница 133: ...DSL modem status and statistics Figure 110 ADSL Status Screen ATM PVC Status This screen shows ATM PVC status and statistics Click Disconnect to disconnect from your ISP Click Connect to make a connec...

Страница 134: ...hows any attempts that have been made to gain access to your network as well as the system activities Figure 113 Logs Screen Click Help to view the help file Click Save to save the log to the hard dis...

Страница 135: ...traffic statistics Use the Refresh button to update the information Note that the current implementation only shows traffic statistics per forwarding group Hence if QoS is not enabled this screen will...

Страница 136: ...support and help and also provide feedback to 3Com Support Figure 115 Support Screen This screen shows support information Feedback To provide feedback to 3Com please click Provide Feedback and this...

Страница 137: ...AUTION Do not power the Router off and then immediately on Wait about five seconds between power cycles Check the following symptoms and solutions Check that the Router is connected to your computers...

Страница 138: ...e Connections tab and click on the LAN Settings button at the bottom Make sure that the Proxy Server option is unchecked If you cannot browse to the Router use the winipcfg utility in Windows 98 ME to...

Страница 139: ...our line for you 4 There is too much noise on your phone line If you can hear noise on your line over the phone this may also affect your ADSL connection Contact your phone line supplier so that they...

Страница 140: ...w or have forgotten the password follow the steps below to reset the Router to its factory default configuration CAUTION All your configuration changes will be lost and you will need to run the config...

Страница 141: ...the same as those configured on the Router The Router cannot simultaneously support WPA and WEP encryption Ensure that you have the wireless computer enabled in the list of allowed MAC addresses if yo...

Страница 142: ...ng the antenna on the Router or moving the wireless computer closer to the Router In an ideal network the Router should be located in the centre of the network with wireless computers distributed arou...

Страница 143: ...the software upload If the Router does not resume normal operation following the upload it may be faulty Contact your supplier for advice Power Adapter Power Status Logo not lit This is probably becau...

Страница 144: ...nce the part number for the power adapter supplied for your region is 3Com Number Region 3C15VHUS US and Canada 3C15VHUK UK 3C15VHME Europe and Middle East 3C15VHAA Australasia except Japan and Korea...

Страница 145: ...dth consumed by each user There are only 4 LAN ports on the Router How are additional computers connected You can expand the number of connections available on your LAN by using hubs switches and wire...

Страница 146: ...144 CHAPTER 6 TROUBLESHOOTING...

Страница 147: ...ice over the network the Router must be correctly configured with the following IP information An IP address A subnet mask IP Addresses and Subnet Masks Each device on your network must have a unique...

Страница 148: ...e 192 168 100 identifies the network on which the device resides Part two 8 identifies the device within the network This type of IP address operates on a subnet mask of 255 255 255 0 See Table 3 for...

Страница 149: ...n IP address and subnet mask automatically DHCP assigns a temporary IP address and subnet mask which gets reallocated once you disconnect from the network DHCP will work on any client Operating System...

Страница 150: ...e where devices allocate themselves an IP address at random from the industry standard subnet of 169 254 x x with a subnet mask of 255 255 0 0 If two devices allocate themselves the same address the c...

Страница 151: ...enna for RX function only and the gain value is 2 dBi WLAN Interfaces IEEE draft 802 11n Orthogonal Frequency Division Multiplexing OFDM Transmission rate 802 11n 40 MHz 300 Mbps automatic fallback to...

Страница 152: ...um clients 128 E I R P 17 dBm Standard IEEE 802 11b Direct Sequence Spread Spectrum DSSS Transmission rate 11Mbps automatic fallback to 5 5 2 or 1 Mbps Maximum channels 13 Range up to 304 8 m 1000 ft...

Страница 153: ...55022 EN 55024 EN 61000 EN 301 489 1 ICES 003 Radio FCC Part 15 C RSS 210 EN 300 328 Environmental EN 60068 IEC 68 Telcom FCC Part68 See Regulatory Notices for conditions of operation System Requirem...

Страница 154: ...omplies to the IEEE 802 3i u and x specifications Cable Specifications The Router supports the following cable types and maximum lengths Category 5 Fast Ethernet or Dual Speed Ethernet Twisted Pair sh...

Страница 155: ...ARNING To ensure compliance with international safety standards only use the power adapter that is supplied with the unit WARNING The socket outlet must be near to the unit and easily accessible You c...

Страница 156: ...n Sie sich bei den zust ndigen Stellen ob die Verwendung von Funkfrequenz in dem Bereich in dem der Bluetooth Access Point eingesetzt werden soll erlaubt ist VORSICHT Bei der Installation und beim Aus...

Страница 157: ...signes Nous vous demandons de lire attentivement les consignes suivantes de s curit avant d installer ou de retirer l appareil AVERTISSEMENT La Router fournit et utilise de l nergie radio lectrique ra...

Страница 158: ...moyeu Si vous avez un probl me physique avec le moyeu qui ne peut pas tre r solu avec les actions de la r solution des probl mes dans ce guide contacter votre fournisseur AVERTISSEMENT D branchez l a...

Страница 159: ...s and its licensors proprietary rights and copyright notices in the same form as on the original You agree not to remove or deface any portion of any legend provided on any licensed program or docume...

Страница 160: ...All warranties and limitations of liability applicable to the Software are as stated on the Limited Warranty Card or in the product manual whether in paper or electronic form accompanying the Software...

Страница 161: ...159...

Страница 162: ...Helps you to troubleshoot 3Com products This query based interactive tool is located at http knowledgebase 3com com It contains thousands of technical solutions written by 3Com support engineers Purch...

Страница 163: ...s cover feature enhancements incremental functionality and bug fixes but they do not include software that is released by 3Com as a separately ordered product Separately orderable software releases an...

Страница 164: ...16 1463 080 698 0880 00801 444 318 001 800 441 2152 Pakistan Call the U S direct by dialing 00 800 01001 then dialing 800 763 6780 Sri Lanka Call the U S direct by dialing 02 430 430 then dialing 800...

Страница 165: ...98 2112 AT T 800 998 2112 AT T 800 998 2112 Grenada Guadalupe Guatemala Guyana Haiti Honduras Jamaica Mexico Mexico Local Monserrat Nicaragua Panama Paraguay Peru Puerto Rico Rest of Latin America St...

Страница 166: ...164 APPENDIX E OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS...

Страница 167: ...ng multiple input multiple output MIMO and many other newer features 10BASE T The IEEE specification for 10 Mbps Ethernet over Category 3 4 or 5 twisted pair cable 100BASE TX The IEEE specification fo...

Страница 168: ...f Ethernet is 10 Mbps the bandwidth of Fast Ethernet is 100 Mbps The bandwidth for 802 11b wireless is 11Mbps Category 3 Cables One of five grades of Twisted Pair TP cabling defined by the EIA TIA 586...

Страница 169: ...ters on your home network is the location of the DNS server your ISP has assigned DSL modem DSL stands for digital subscriber line A DSL modem uses your existing phone lines to send and receive data a...

Страница 170: ...networks In the network management area this group is responsible for the development of the SNMP protocol Infrastructure mode Infrastructure mode is the wireless configuration supported by the Route...

Страница 171: ...ress Also called the hardware or physical address A Layer 2 address associated with a particular network device Most devices that connect to a LAN have a MAC address assigned to them as they are used...

Страница 172: ...mputer files and printer queues SSID Service Set Identifier Some vendors of wireless products use SSID interchangeably with ESSID Subnet Address An extension of the IP addressing scheme that allows a...

Страница 173: ...L Filter A URL Filter is a feature of a firewall that allows it to stop its clients form browsing inappropriate Web sites WAN Wide Area Network A network that connects computers located in geographica...

Страница 174: ...e Set Identifier Wizard A Windows application that automates a procedure such as installation or configuration WLAN Wireless Local Area Network A WLAN is a group of computers and devices connected tog...

Страница 175: ...is 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 ther...

Страница 176: ...lso compliant See installation instructions for details If your equipment causes harm to the telephone network the telephone company may discontinue your service temporarily If possible they will noti...

Страница 177: ...radiator your body This transmitter must not be co located or operating in conjunction with any other antenna or transmitter 2 4GHz operation of this product in Canada is firmware limited to channels...

Страница 178: ...anish Por medio de la presente 3Com Corporation declara que el RLAN device cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999 5 CE Gree...

Страница 179: ...Patent Nos 6694470 6735245 6751254 6765957 6768772 6873652 6901547 6917647 6934326 6950459 6952442 6987802 6999506 7012954 7051258 7058123 and 7272173 Malti Maltese Hawnhekk 3Com Corporation jiddikjar...

Страница 180: ...178...

Страница 181: ...icons About This Guide 8 text About This Guide 8 D DDNS 70 DHCP 87 DHCP Clients List 42 DHCP server 25 42 disabling 26 DMZ Screen 67 DNS 24 DNS Screen 55 DSL mode 29 Dynamic Domain Server DDNS Screen...

Страница 182: ...g Table Screen 59 S Schedule Rule Screen 65 Setup Wizard 27 SNMP Community Screen 71 SNMP Trap Screen 72 Special Applications Screen 60 Specifications technical 89 SSID 31 32 33 35 36 43 Static Addres...

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