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Section 6 – Troubleshooting

D-Link DIR-602 User Manual

65

You should start at 1472 and work your way down by 10 each time. Once you get a reply, go up by 2 until you get a
fragmented packet. Take that value and add 28 to the value to account for the various TCP/IP headers. For example,
lets say that 1452 was the proper value, the actual MTU size would be 1480, which is the optimum for the network
we’re working with (1452+28=1480).

Once you find your MTU, you can now configure your router with the proper MTU size.

To change the MTU rate on your router follow the steps below:

• Open your browser, enter the IP address of your router (192.168.0.1) and click

OK

.

• Enter your username (admin) and password (blank by default). Click

OK

to enter the web configuration page

for the device.

• Click on

Setup

and then click

Manual Configure

.

• To change the MTU enter the number in the MTU field and click

Save Settings

to save your settings.

• Test your e-mail. If changing the MTU does not resolve the problem, continue changing the MTU in increments

of ten.

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Содержание DIR-602

Страница 1: ......

Страница 2: ...ed for revision Trademarks D Link and the D Link logo are trademarks or registered trademarks of D Link Corporation or its subsidiaries in the United States or other countries All other company or product names mentioned herein are trademarks or registered trademarks of their respective companies Copyright 2010 by D Link Systems Inc All rights reserved This publication may not be reproduced in who...

Страница 3: ...Another Router 13 Getting Started 15 Configuration 16 Web based Configuration Utility 16 Internet Connection Setup Wizard 17 Internet 22 Static IP 22 Dynamic IP DHCP 23 PPPoE username password 24 PPTP 25 L2TP 26 Wireless Settings 27 WPS Wi Fi Protected Setup 27 Wireless Basic Settings 29 Wireless Security Settings 30 WDS Settings 32 Network Settings 33 Advanced 34 Port Forwarding 34 Application Ru...

Страница 4: ...Logs 51 Statistics 52 Wireless 53 Support 54 InterWireless Security 55 What is WPA 55 Configure WPA Personal PSK 56 Connecting to a Wireless Network 57 Using Windows Vista 57 Configure WPA WPA2 58 Connect Using WCN 2 0 60 Using Windows XP 61 Troubleshooting 62 Wireless Basics 66 Wireless Modes 70 Networking Basics 71 Checking your IP address 71 Statically Assign an IP address 72 Technical Specific...

Страница 5: ...ink DIR 602 Wireless N Router Power Adapter Ethernet Cable CD ROM Note Using a power supply with a different voltage rating than the one included with the DIR 602 will cause damage and void the warranty for this product D Link DIR 602 User Manual 4 ...

Страница 6: ...ting system An installed Ethernet adapter Browser Requirements Internet Explorer 6 0 or higher Firefox 1 5 or higher Safari 1 0 or higher with Java 1 3 1 or higher Opera 6 0 or higher Mozilla 1 7 12 or higher Flock 0 7 14 or higher Windows Users Make sure you have the latest version of Java installed Visit www java com to download the latest version CD Installation Wizard Requirements Computer wit...

Страница 7: ... can be scheduled to be active on certain days or for a duration of hours or minutes Secure Multiple Concurrent Sessions The DIR 602 can pass through VPN sessions It supports multiple and concurrent IPSec and PPTP sessions so users behind the DIR 602 can securely access corporate networks User friendly Setup Wizard Through its easy to use Web based user interface the DIR 602 lets you control what ...

Страница 8: ...Section 1 Product Overview Hardware Overview Connections D Link DIR 602 User Manual 7 ...

Страница 9: ...Section 1 Product Overview Hardware Overview LEDs D Link DIR 602 User Manual 8 ...

Страница 10: ...our modem disconnect the USB cable and connect an Ethernet cable to the Internet port on the router and then turn the modem back on In some cases you may need to call your ISP to change connection types USB to Ethernet If you have DSL and are connecting via PPPoE make sure you disable or uninstall any PPPoE software such as WinPoet Broadjump or Enternet 300 from your computer or you will not be ab...

Страница 11: ...t is 1 5 feet thick 5 meters at a 45 degree angle appears to be almost 3 feet 1 meter thick At a 2 degree angle it looks over 42 feet 14 meters thick Position devices so that the signal will travel straight through a wall or ceiling instead of at an angle for better reception 3 Building Materials make a difference A solid metal door or aluminum studs may have a negative effect on range Try to posi...

Страница 12: ...Section 2 Installation Network Diagram D Link DIR 602 User Manual 11 ...

Страница 13: ...into the Internet port on the router 4 Plug an Ethernet cable into one of the four LAN ports on the router Plug the other end into the Ethernet port on your computer 5 Turn on or plug in your modem Wait for the modem to boot about 30 seconds 6 Plug the power adapter to the router and connect to an outlet or power strip Wait about 30 seconds for the router to boot 7 Turn on your computer 8 Verify t...

Страница 14: ...tion If you need to change the settings write down your existing settings before making any changes In most cases your computer should be set to receive an IP address automatically in which case you will not have to do anything to your computer 2 Open a web browser enter http 192 168 0 1 and press Enter When the login window appears set the user name to admin and leave the password box empty Click...

Страница 15: ...r and connect it to your other router Do not plug anything into the Internet port of the D Link router 8 You may now use the other 3 LAN ports to connect other Ethernet devices and computers To configure your wireless network open a web browser and enter the IP address you assigned to the router Refer to the Configuration and Wireless Security sections for more information on setting up your wirel...

Страница 16: ...d CD in the CD ROM drive The step by step instructions that follow are shown in Windows XP or Vista The steps and screens are similar for the other Windows operating systems If the CD autorun function does not automatically start on your computer go to Start Run In the run box type D DIR602 exe where D represents the drive letter of your CD ROM drive When the autorun screen appears click Wizard an...

Страница 17: ...ion Utility To access the configuration utility open a web browser such as Internet Explorer and enter the IP address of the router 192 168 0 1 Select admin from the drop down menu and then enter your password Leave the password blank by default If you get a Page Cannot be Displayed error please refer to the Troubleshooting section for assistance D Link DIR 602 User Manual 16 ...

Страница 18: ...face of the router the WELCOME TO THE WIZARD page will appear Click the Wizard button to quickly configure your router using the setup wizard If you want to enter your settings without running the wizard click Manual and skip to page 19 Click Next to continue D Link DIR 602 User Manual 17 ...

Страница 19: ...provider and click Next to continue If you are not sure which type to select contact your Internet service provider If you selected Static IP Address Connection fill in your IP information provided by you Internet Service provider and then click Next to continue D Link DIR 602 User Manual 18 ...

Страница 20: ...directly to your modem If you are currently using that computer click Clone MAC Address and then click Next to continue The Host Name is optional but may be required by some ISPs The default host name is DIR 602 If you selected Username Password Connection PPPoE enter your PPPoE username and password Click Next to continue D Link DIR 602 User Manual 19 ...

Страница 21: ...ed Username Password Connection PPTP enter your PPTP username and password Click Next to continue If you selected Username Password Connection L2TP enter your L2TP username and password Click Next to continue D Link DIR 602 User Manual 20 ...

Страница 22: ... Configuration Set a Wireless Network Name SSID and then click Next to continue Select a Wireless Security Mode and then click Next to continue Click Save to Save your configuration D Link DIR 602 User Manual 21 ...

Страница 23: ...by your ISP Subnet Mask Enter the Subnet Mask assigned by your ISP Default Gateway Address Enter the Gateway assigned by your ISP MTU Maximum Transmission Unit you may need to change the MTU for optimal performance with your specific ISP 1500 is the default MTU MAC Address The default MAC Address is set to the Internet port s physical interface MAC address on the Broadband Router It is not recomme...

Страница 24: ...Cable modem services Host Name The Host Name is optional but may be required by some ISPs MTU Maximum Transmission Unit you may need to change the MTU for optimal performance with your specific ISP 1500 is the default MTU MAC Address The default MAC Address is set to the Internet port s physical interface MAC address on the Broadband Router It is not recommended that you change the default MAC add...

Страница 25: ...Service Name Enter the ISP Service Name optional Idle Time Enter a maximum idle time during which the Internet connection is maintained during inactivity To disable this feature enable Auto reconnect MTU Maximum Transmission Unit you may need to change the MTU for optimal performance with your specific ISP 1492 is the default MTU MAC Address The default MAC Address is set to the Internet port s ph...

Страница 26: ...ISP Server IP Enter the Server IP provided by your ISP optional PPPoE Username Enter your PPTP username PPPoE Password Enter your PPTP password and then retype the password in the next box MTU Maximum Transmission Unit you may need to change the MTU for optimal performance with your specific ISP 1400 is the default MTU Idle Time Enter a maximum idle time during which the Internet connection is mai...

Страница 27: ... ISP Server IP Enter the Server IP provided by your ISP optional L2TP Username Enter your L2TP username L2TP Password Enter your L2TP password and then retype the password in the next box MTU Maximum Transmission Unit you may need to change the MTU for optimal performance with your specific ISP 1400 is the default MTU Idle Time Enter a maximum idle time during which the Internet connection is main...

Страница 28: ... Push Button Configuration WPS Enable Select Enabled to enable the WPS function Device Name Enter a Device Name WPS UUID A UUID Universally Unique Identifier is the exclusive identifier of the element in the Wireless Distribution System PIN You can click the Generate New PIN button to generate a PIN or click Reset PIN to Default button to set default PIN WPS config Show the WPS configuration statu...

Страница 29: ... PIN enter the PIN and click the Connect button If your device supports PBC you can click the PBC button below to start connecting to your device After entering a PIN or clicking the PBC button the router will look for your WPS device and will automatically connect to it D Link DIR 602 User Manual 28 ...

Страница 30: ... Indicates the channel setting for the DIR 602 By default the channel is set to 6 The Channel can be changed to fit the channel setting for an existing wireless network or to customize a wireless network SSID Broadcast When this is set to On your wireless network name is broadcast to anyone within range of your signal If you are not using encryption anybody may connect to your wireless network Whe...

Страница 31: ...r with a wireless adapter you will lose connectivity until you enable WEP on your adapter and enter the same passphrase as you did on the router WEP is the wireless encryption standard To use it you must enter the same key s into the router and the wireless stations For 64 bit keys you must enter 10 hex digits into each key box For 128 bit keys you must enter 26 hex digits into each key box A hex ...

Страница 32: ...se TKIP AES 3 Next to Pre Shared Key enter a key passphrase The key is entered as a passphrase in ASCII format at both ends of the wireless connection The passphrase must be between 8 63 characters 4 Click Save Settings to save your settings If you are configuring the router with a wireless adapter you will lose connectivity until you enable the Security mode on your adapter and enter the same pas...

Страница 33: ...nother AP s MAC address The MAC address must be the Wireless MAC address of the AP Bridge Restriction Selecting Disabled disables wireless bridge restriction Any wireless bridge including the ones listed in Bridges will be granted access Selecting Enabled enables wireless bridge restriction Only those bridges listed in Bridges will be granted access Bridge Link Detection Interval Set the Wireless ...

Страница 34: ...aximum DHCP Users Set the maximum number of DHCP users DHCP Lease Time The length of time for the IP address lease Enter the lease time in minutes ADD DHCP RESERVATION Enable Check the box to enable DHCP reservation IP Address Enter the IP address you want to assign to the computer or device The IP address must be within the DHCP IP address range MAC Address Enter the MAC address of the computer o...

Страница 35: ... forward Traffic Type You can select TCP UDP or BOTH IP Address Enter the IP address of the computer on your local network that you want to forward traffic to If your computer is receiving an IP address automatically from the router DHCP your computer will be listed in the Select DHCP Client drop down menu Select your computer and click Enable Select Enabled to enable the rule and click Add to add...

Страница 36: ...he port normally associated with an application in the Incoming Ports select the protocol type as TCP or UDP then enter the Outgoing ports associated with the Incoming ports to open them for inbound traffic Name Enter a name for the rule Incoming Port Start Incoming Port End Enter the port or a range of ports that you want as your port trigger Traffic Type Select TCP UDP or BOTH from the drop down...

Страница 37: ...omputers not to have network access Select Deny all to pass except the following settings if you want all computers to have network access except those computers in the list Policy Name Enter a name to your policy Time Filter Week Choose the day of the week you would like your policy to be applied Time Enter the time of the day you would like your policy to apply MAC Address Filter You can set som...

Страница 38: ...ental Controls Blocking a URL will block any website that starts with that URL Blocking a keyword will block any website that contains the keyword anywhere in the URL address URL Filter You may choose some URLs that you want to block access to Keyword Filter You may choose some keywords that you want to block access to D Link DIR 602 User Manual 37 ...

Страница 39: ...G WAN option Ping is often used by malicious Internet users to locate active networks or PCs Block IDENT Block Identification used port 113 Port 113 is associated with the Internet s Ident Auth Identification Authentication service When a client program in your computer contacts a remote server for services such as POP IMAP SMTP or IRC that remote server sends back a query to the Ident server runn...

Страница 40: ...uld be made DTIM Interval Delivery Traffic Indication Message 3 is the default setting A DTIM is a countdown informing clients of the next window for listening to broadcast and multicast messages Beacon Interval Beacons are packets sent by an Access Point to synchronize a wireless network Specify a value 100 is the default setting and is recommended Preamble Type The Preamble Type defines the leng...

Страница 41: ...urer of the network adapter This feature can be configured to ALLOW or DENY wireless access If you choose ALLOW computers listed to access the wireless only those clients whose wireless MAC addresses are in the access control list will be able to connect to your wireless router When Deny computers listed to access the wireless is selected these wireless clients on the list will not be able to conn...

Страница 42: ...nt software and peripherals This is an UPnP enabled router meaning it will work with other UPnP devices software If you do not want to use the UpnP functionality you can disable it DNSMasq DNSMasq is a lightweight easy to configure DNS forwarder and DHCP server designed to provide DNS and optionally DHCP services to a small scale network When DNSMasq is enabled the client will set the router IP ad...

Страница 43: ...c routing to allow different IP domain users to access the Internet through this device Destination IP Enter the routing destination IP address Subnet Mask Enter the routing subnet mask Gateway Enter the routing gateway Metric This is the number of the network equipment that the data will pass through Interface Select the interface to transmit data through D Link DIR 602 User Manual 42 ...

Страница 44: ...he DIR 602 to be configured from the Internet by a web browser A username and password is still required to access the Web Management interface In general only a member of your network can browse the built in web pages to perform Administrator tasks This feature enables you to perform Administrator tasks from the remote Internet host IP Address range You can specify an IP address range to allow re...

Страница 45: ...and an end date for daylight saving time Enable NTP Server NTP stands for Network Time Protocol NTP synchronizes computer clock times in a network of computers Check this box to use an NTP server This will only connect to a server on the Internet not a local server NTP Server Enter the NTP server or select one from the drop down menu then the DIR 602 will sync its clock with the D Link Internet ti...

Страница 46: ...ngs Load from Local Hard Drive Use this option to load previously saved router configuration settings First use Browse to find and select a previously saved configuration file Then click the Restore Configuration from File button to transfer those settings to the router Restore to Factory Defaults This option will restore all configuration settings back to the settings that were in effect at the t...

Страница 47: ...uter to improve functionality and performance To upgrade the firmware locate the upgrade file on the local hard drive with the Browse button Once you have found the file to be used click the Upgrade button below to start the firmware upgrade D Link DIR 602 User Manual 46 ...

Страница 48: ...anging IP addresses Using a DDNS service provider your friends can enter your domain name to connect to your server no matter what your IP address is Server Choose your DDNS provider from the drop down menu Host Name Enter the Host Name that you registered with your DDNS service provider Username Enter the Username for your DDNS account Password Enter the Password for your DDNS account Timeout Thi...

Страница 49: ...nnectivity on both LAN and Internet interface Ping Test The Ping Test is used to send Ping packets to test if a computer is on the Internet Enter the IP Address that you wish to Ping and click Ping Ping Results The results of your ping attempts will be displayed here D Link DIR 602 User Manual 48 ...

Страница 50: ...view and the level of the events to view This router also has external Syslog Server support so you can send the log files to a computer on your network that is running a Syslog utility Enable Log When this is Enabled the router will record the events in its internal memory Enable Remote Log Check the box then the router will send these logs to another location Enter the IP address of the computer...

Страница 51: ...Section 3 Configuration Status Device Info All of your Internet and network connection details are displayed on this page The firmware version is also displayed here D Link DIR 602 User Manual 50 LOGS ...

Страница 52: ...Section 3 Configuration Logs Displays the captured log messages of the router activities these captured log mesages may be useful for troubleshooting and monitoring D Link DIR 602 User Manual 51 ...

Страница 53: ...Section 3 Configuration Statistics Traffic Statistics display Receive and Transmit packets passing through the router D Link DIR 602 User Manual 52 ...

Страница 54: ...Section 3 Configuration Wireless The Wireless Client table below displays wireless clients connected to the router D Link DIR 602 User Manual 53 ...

Страница 55: ...Section 3 Configuration Support D Link DIR 602 User Manual 54 ...

Страница 56: ... tampered with WPA2 is based on 802 11i and uses Advanced Encryption Standard AES instead of TKIP User authentication which is generally missing in WEP through the extensible authentication protocol EAP WEP regulates access to a wireless network based on a computer s hardware specific MAC address which is relatively simple to be sniffed out and stolen EAP is built on a more secure public key encry...

Страница 57: ...IP address of the router 192 168 0 1 Click on Setup and then click Wireless Settings on the left side and then click Manual Wireless Network Setup 2 Next to Security Mode select WPA Personal 3 Next to Cipher Type select TKIP and AES TKIP or AES If you have wireless clients that use both types use TKIP AES 4 Next to Pre Shared Key enter a key passphrase The key is entered as a passphrase in ASCII f...

Страница 58: ...seen below D Link DIR 602 User Manual 57 If you receive the Wireless Networks Detected bubble click on the center of the bubble to access the utility or Right click on the wireless computer icon in your system tray lower right corner next to the time Select Connect to a network The utility will display any available wireless networks in your area Click on a network displayed using the SSID and cli...

Страница 59: ...adapter If you are joining an existing network you will need to know the security key or passphrase being used 1 Open the Windows Vista Wireless Utility by right clicking on the wireless computer icon in your system tray lower right corner of screen Select Connect to a network 2 Highlight the wireless network SSID you would like to connect to and click Connect D Link DIR 602 User Manual 58 ...

Страница 60: ...ase that is on your router and click Connect It may take 20 30 seconds to connect to the wireless network If the connection fails please verify that the security settings are correct The key or passphrase must be exactly the same as on the wireless router D Link DIR 602 User Manual 59 ...

Страница 61: ...ed There are three basic methods to accomplish this use Windows Vista s built in support for WCN 2 0 use software provided by a third party or manually configure If you are running Windows Vista log into the router and click the Enable checkbox in the Basic Wireless section Use the Current PIN that is displayed on the Advanced Wi Fi Protected Setup section or choose to click the Generate New PIN b...

Страница 62: ... XP utility as seen below If you receive the Wireless Networks Detected bubble click on the center of the bubble to access the utility or Right click on the wireless computer icon in your system tray lower right corner next to the time Select View Available Wireless Networks The utility will display any available wireless networks in your area Click on a network displayed using the SSID and click ...

Страница 63: ...must be on the same IP subnet to connect to the web based utility Make sure you have an updated Java enabled web browser We recommend the following Internet Explorer 6 0 or higher Netscape 8 or higher Mozilla 1 7 12 5 0 or higher Opera 8 5 or higher Safari 1 2 or higher with Java 1 3 1 or higher Camino 0 8 4 or higher Firefox 1 5 or higher Verify physical connectivity by checking for solid link li...

Страница 64: ...his should open the login page for your the web management If you still cannot access the configuration unplug the power to the router for 10 seconds and plug back in Wait about 30 seconds and try accessing the configuration If you have multiple computers try connecting using a different computer 2 What can I do if I forgot my password If you forgot your password you must reset your router Unfortu...

Страница 65: ...2 1472 etc Note AOL DSL users must use MTU of 1400 To find the proper MTU Size you ll have to do a special ping of the destination you re trying to go to A destination could be another computer or a URL Click on Start and then click Run Windows 95 98 and Me users type in command Windows NT 2000 and XP users type in cmd and press Enter or click OK Once the window opens you ll need to do a special p...

Страница 66: ...h 1452 28 1480 Once you find your MTU you can now configure your router with the proper MTU size To change the MTU rate on your router follow the steps below Open your browser enter the IP address of your router 192 168 0 1 and click OK Enter your username admin and password blank by default Click OK to enter the web configuration page for the device Click on Setup and then click Manual Configure ...

Страница 67: ...ead of wires Wireless LANs are used increasingly in both home and office environments and public areas such as airports coffee shops and universities Innovative ways to utilize WLAN technology are helping people to work and communicate more efficiently Increased mobility and the absence of cabling and other fixed infrastructure have proven to be beneficial for many users Wireless users can use the...

Страница 68: ...ata from one point A to point B But wireless technology has restrictions as to how you can access the network You must be within the wireless network range area to be able to connect your computer There are two different types of wireless networks Wireless Local Area Network WLAN and Wireless Personal Area Network WPAN Wireless Local Area Network WLAN In a wireless local area network a device call...

Страница 69: ...nes laptops speakers and other devices that operate on batteries Who uses wireless Wireless technology has become so popular in recent years that almost everyone is using it whether it s for home office business D Link has a wireless solution for it Home Gives everyone at home broadband access Surf the web check e mail instant message and etc Gets rid of the cables around the house Simple and easy...

Страница 70: ...ot knowing where to start That s why we ve put together a few setup steps and tips to help you through the process of setting up a wireless network Tips Here are a few things to keep in mind when you install a wireless network Centralize your router or Access Point Make sure you place the router access point in a centralized location within your network for the best performance Try to place the ro...

Страница 71: ...Infrastructure All wireless clients will connect to an access point or wireless router Ad Hoc Directly connecting to another computer for peer to peer communication using wireless network adapters on each computer such as two or more DIR 602 wireless network Cardbus adapters An Infrastructure network contains an Access Point or wireless router All the wireless devices or clients will connect to th...

Страница 72: ...teps below Click on Start Run In the run box type cmd and click OK Windows Vista users type cmd in the Start Search box At the prompt type ipconfig and press Enter This will display the IP address subnet mask and the default gateway of your adapter If the address is 0 0 0 0 check your adapter installation security settings and the settings on your router Some firewall software programs may block a...

Страница 73: ...er and select Properties Step 3 Highlight Internet Protocol TCP IP and click Properties Step 4 Click Use the following IP address and enter an IP address that is on the same subnet as your network or the LAN IP address on your router Example If the router s LAN IP address is 192 168 0 1 make your IP address 192 168 0 X where X is a number between 2 and 99 Make sure that the number you choose is no...

Страница 74: ... 54 Mbps 40 5Mbps Safety Emissions 27 Mbps 13 5 Mbps FCC Part 15B 15C MPE 9 Mbps 6 Mbps IC RSS 210 NCC LP0002 5 5 Mbps 2 Mbps LED 1Mbps Power WLAN LAN INTERNET Security Dimensions WPA WPA2 64 128 bit WEP L 108 mm W 62 mm H 25 5 mm Maximum wireless signal rate derived from IEEE Standard 802 11g and 802 11n specifications Actual data throughput will vary Network conditions and environmental factors ...

Страница 75: ...e interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help For detailed warranty information applicable to products purchased outside the ...

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