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7

7.

Troubleshooting

Diagnose and solve problems

This chapter provides information about troubleshooting your modem router. After each problem
description, instructions are provided to help you diagnose and solve the problem.

This chapter contains the following sections:

•

Troubleshoot with the LEDs

•

Cannot Log In to the Modem Router

•

Troubleshoot the Internet Connection

•

TCP/IP Network Does Not Respond

•

Changes Not Saved

•

Incorrect Date or Time

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Содержание N150RM

Страница 1: ...350 East Plumeria Drive San Jose CA 95134 USA December 2012 202 11139 01 v1 0 Easy Reliable Secure N150 Wireless ADSL2 Modem Router N150RM User Manual...

Страница 2: ...o the products described in this document without notice On Networks does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Th...

Страница 3: ...SP Information 15 Types of Logins and Access 16 Log In to the Modem Router 16 Unsuccessful Login 17 Log Out Manually 17 Home Screen Dashboard 17 EZ Setup Wizard 18 Join Your Wireless Network 19 WPS Me...

Страница 4: ...Upgrade the Firmware 44 Automatic Firmware Check 44 Check for Firmware Upgrades 45 Backup Settings 46 Back Up 46 Restore 46 Erase 46 Set the Password 47 Password Recovery 47 View Router Status 48 ADS...

Страница 5: ...Is Red 66 Obtaining an Internet IP Address 66 PPPoE or PPPoA 67 Internet Browsing 67 TCP IP Network Does Not Respond 68 Test the LAN Path to Your Modem Router 68 Test the Path from Your Computer to a...

Страница 6: ...up your hardware If you have already set up your modem router you can skip this chapter Chapter 2 explains how to set up your Internet connection This chapter contains the following sections Unpack Y...

Страница 7: ...center of the area where your computers and other devices operate and preferably within line of sight to your wireless devices So it is accessible to an AC power outlet and near Ethernet cables for wi...

Страница 8: ...r use a wireless computer or device to join a secure wireless network without typing the password See WPS Method on page 22 Solid green A WPS capable device is connected to the router Blinking green A...

Страница 9: ...ter is negotiating the best possible speed on the DSL line Off The unit is off or there is no DSL link established Ethernet 1 4 Solid green The LAN port has detected an Ethernet link with a device suc...

Страница 10: ...paper clip to press and hold the Reset button for at least 7 seconds For information about the factory settings see Factory Settings on page 72 Label The label on the bottom of the modem router shows...

Страница 11: ...etween the phone line and the phone b Connect the ADSL port of the modem router to the ADSL port of the filter splitter c If your modem router and telephone connect to the same phone line use an ADSL...

Страница 12: ...t time that you connect to your modem router the browser automatically displays a modem router screen to help you set up your Internet connection If this screen does not display see the following sect...

Страница 13: ...e and reopen the browser to make sure that the browser does not cache the previous page Browse to http www mywifirouter com or http 192 168 0 1 index htm If the computer is set to a static or fixed IP...

Страница 14: ...tting Started This chapter contains the following sections Modem Router Setup Preparation Types of Logins and Access Log In to the Modem Router Home Screen Dashboard EZ Setup Wizard Join Your Wireless...

Страница 15: ...ting the modem router setup Gather ISP Information You need the following information to set up your modem router and to check that your Internet configuration is correct Your Internet service provide...

Страница 16: ...em Router You can log in to the rmodem router to view or change its settings To log in to the modem router 1 Type http 192 168 0 1 in the address field of your browser and press Enter to display the l...

Страница 17: ...g setup you can use an Ethernet cable to connect your computer so that you can log in to the modem router 4 If you cannot connect to the modem router check the Internet Protocol TCP IP properties For...

Страница 18: ...gement Advanced tab Set the modem router up for unique situations such as when remote access by IP or by domain name from the Internet is needed See Advanced Settings on page 54 Using this menu requir...

Страница 19: ...r addresses automatically See your computer documentation Join Your Wireless Network Select either the WPS method or the manual method to join your wireless network WPS Method Wi Fi Protected Setup WP...

Страница 20: ...d type its password to connect To connect manually 1 On your computer or wireless device open the software that manages your wireless connections This software scans for all wireless networks in your...

Страница 21: ...21 3 3 Modem Router Setup This chapter contains the following sections Internet Setup Basic Settings Preset Security WiFi Security Basics Wireless Setup WAN Setup LAN Ports...

Страница 22: ...lect the encapsulation method and enter the login name If you want to change the login time out enter a new value in minutes No Enter the account and domain names as needed 3 Enter the settings for th...

Страница 23: ...Dynamically from ISP Your ISP uses DHCP to assign your IP address Your ISP automatically assigns these addresses Use Static IP Address Enter the IP address IP subnet mask and the gateway IP address th...

Страница 24: ...s and store it in a safe place where you can easily find it WiFi Security Basics Unlike wired network data wireless data transmissions extend beyond your walls and can be received by any device with a...

Страница 25: ...ent supports it WPA has several options including pre shared key PSK encryption and 802 1x encryption for enterprises It is possible to disable wireless security but that is not recommended You can vi...

Страница 26: ...ork password This information is printed on the label of your modem router You view or change these settings in the Wireless Settings screen To view or change wireless settings 1 Select Setup Wireless...

Страница 27: ...oint Allow the unit to work as a wireless acces point Allow Broadcast of Name SSID This feature allows the modem router to broadcast its SSID so that a wireless station can display this wireless name...

Страница 28: ...een To restrict access based on MAC addresses 1 Select Advanced Wireless Settings and click the Setup Access List to display the Wireless Card Access List 2 Click Add to add a wireless device to the w...

Страница 29: ...rdrop Attack UDP Flood ARP Attack Spoofing ICMP Null Scan and many others This should be disabled only in special circumstances Default DMZ Server This feature is sometimes helpful when you are playin...

Страница 30: ...loits from the Internet If compromised the DMZ server computer can be used to attack other computers on your network The router usually detects and discards incoming traffic from the Internet that is...

Страница 31: ...u suspect an MTU problem a common solution is to change the MTU to 1400 If you are willing to experiment you can gradually reduce the MTU from the maximum value of 1500 until the problem goes away The...

Страница 32: ...55 255 255 0 These addresses are part of the designated private address range for use in private networks and are suitable for most applications If your network requires a different IP addressing sche...

Страница 33: ...g data in RIP 2 format RIP 2B uses subnet broadcasting RIP 2M uses multicasting Use Router as a DHCP Server This check box is selected by default so that the modem router functions as a Dynamic Host C...

Страница 34: ...selected If you clear this check box and no other DHCP server is on your network you need to set your computers IP addresses manually so that they can access the modem router Address Reservation When...

Страница 35: ...5 4 4 Security Settings This chapter contains the following sections Block Internet Sites Block Services Firewall Rules to Control Network Access Set the Time Zone Schedule Services Set Up Email Alert...

Страница 36: ...ter a keyword or domain click Add Keyword and click Apply The Keyword list supports up to 32 entries Here are some sample entries Specify XXX to block http www badstuff com xxx html Specify com if you...

Страница 37: ...not limited to these choices To add your own service definitions 1 Select Security Services to display the following screen 2 Click the Add Services button If you want to change a service select it a...

Страница 38: ...at the bottom In some cases the order of precedence is important to determine which communications are allowed into or out of the network To set up firewall rules 1 Select Security Firewall Rules 2 To...

Страница 39: ...everal network time servers on the Internet To set the time zone 1 Select Security Schedule 2 Select your time zone This setting determines the blocking schedule and time stamping of log entries 3 If...

Страница 40: ...Every Day or select one or more days 3 If you want to limit access completely for the selected days select All Day Otherwise to limit access during certain times for the selected days enter times in...

Страница 41: ...able to find this information in the configuration settings of your email program Enter the email address to which logs and alerts are sent This email address is also used as the From address If you l...

Страница 42: ...ekly If the Weekly Daily or Hourly option is selected and the log fills up before the specified period the log is emailed to the specified email address After the log is sent it is cleared from the mo...

Страница 43: ...5 Network Management This chapter contains the following sections Upgrade the Firmware Check for Firmware Upgrades Backup Settings Set the Password View Router Status View Attached Devices Logs Diagno...

Страница 44: ...mware Automatic Firmware Check When automatic firmware checking is on the modem router performs the check and notifies you if an upgrade is available or not To check the firmware automatically 1 Click...

Страница 45: ...g the window clicking a link or loading a new page If the browser is interrupted it could corrupt the firmware 1 Log in to your router and select Management Upgrade Firmware 2 Click Browse and locate...

Страница 46: ...e a copy of the current settings 3 Choose a location to store the cfg file that is on a computer on your network Restore To restore the configuration file 1 Enter the full path to the file on your net...

Страница 47: ...u are required to log in again to continue the configuration If you have backed up the modem router settings previously you should do a new backup so that the saved settings file includes the new pass...

Страница 48: ...ss If no address is shown the modem router cannot connect to the Internet Network Type The value such as PPPoA depends on your ISP IP Subnet Mask The DSL port IP subnet mask Gateway IP Address The IP...

Страница 49: ...nection from the phone company to your Router Upstream Connection Speed The connection speed of the ADSL connection from your Router to the phone company VPI The VPI setting VCI The VCI setting Wirele...

Страница 50: ...ports For each port the screen displays the following Status The link status of the port TxPkts The number of packets transmitted since reset or manual clear RxPkts The number of packets received sinc...

Страница 51: ...the WAN port by the ISP Betting Network Mask The subnet mask assigned to the WAN port by the ISP View Attached Devices The Attached Devices screen shows all IP devices that the modem router has disco...

Страница 52: ...o the following displays The Include in Log check boxes allow you to select which events are logged The security log entries include the following information Date and time The date and time the log e...

Страница 53: ...es can be configured not to respond to a ping Perform a DNS Lookup A Domain Name Server DNS converts Internet names to IP addresses If you need the IP address of a server on the Internet you can do a...

Страница 54: ...nt to set the modem router up for unique situations such as when remote access from the Internet by IP or domain name is needed Note For information about port forwarding and port triggering see Chapt...

Страница 55: ...eamble Mode options are reserved for wireless testing and advanced configuration only Do not change these settings Turn off wireless signal by schedule You can use this feature to turn off the wireles...

Страница 56: ...DNS Most Internet accounts use dynamically assigned IP addresses You do not know in advance what your IP address will be and the address can change frequently In this case you can use a commercial Dyn...

Страница 57: ...re you are employed This modem router s address on your LAN is 192 168 0 100 Your company s network address is 134 177 0 0 When you first configured your modem router two implicit static routes were c...

Страница 58: ...RIP 4 Select the Active check box to make this route effective 5 Type the IP address of the final destination 6 Type the IP subnet mask for this destination If the destination is a single host type 2...

Страница 59: ...ox 3 Under Allow Remote Access By specify the external IP addresses that are allowed to access the modem router management interface remotely Note For enhanced security restrict access to as few exter...

Страница 60: ...me communications such as instant messaging or remote assistance a feature in Windows XP you should enable UPnP To turn on Universal Plug and Play 1 Select Advanced UPnP The UPnP screen displays 2 The...

Страница 61: ...ed correctly it might be necessary to increase this value UPnP Portmap Table The UPnP Portmap Table displays the IP address of each UPnP device that is accessing the modem router and which ports inter...

Страница 62: ...uter After each problem description instructions are provided to help you diagnose and solve the problem This chapter contains the following sections Troubleshoot with the LEDs Cannot Log In to the Mo...

Страница 63: ...that there is a link to the connected device c If a LAN port is connected to a 100 Mbps device verify that the LAN port s LED is green If the LAN port is 10 Mbps the LED is amber Power Ethernet ADSL...

Страница 64: ...outer and at the hub or workstation The power is turned on to the connected hub or workstation You are using the correct cable Cannot Log In to the Modem Router If you are unable to log in to the mode...

Страница 65: ...D Is Blinking Green If your ADSL link LED is blinking green then your modem router is attempting to make an ADSL connection with the service provider The LED should turn green within several minutes I...

Страница 66: ...atic IP address your modem router requests an IP address from the ISP You can determine whether the request was successful using the browser interface To check the Internet IP address from the browser...

Страница 67: ...ng PPPoE or PPPoA until data is transmitted to the network Internet Browsing If your modem router can obtain an IP address but your computer is unable to load any web pages from the Internet Your comp...

Страница 68: ...see a message like this one Pinging IP address with 32 bytes of data If the path is working you see this message Reply from IP address bytes 32 time NN ms TTL xxx If the path is not working you see t...

Страница 69: ...Basic Settings screen Your ISP could be rejecting the Ethernet MAC addresses of all but one of your PCs Many broadband ISPs restrict access by allowing traffic only from the MAC address of your modem...

Страница 70: ...tting up the modem router wait at least 5 minutes and check the date and time again Time is off by one hour This modem has automatic DST adjustment To use this feature in the Schedule screen select th...

Страница 71: ...71 A A Supplemental Information This appendix covers the following topics Factory Settings Technical Specifications...

Страница 72: ...uter resets and returns to the factory settings as shown in the following table Table 1 Factory default settings Feature Default Behavior Router Login User login URL http www mywifirouter com User nam...

Страница 73: ...HTTP port Outbound communications going out to the Internet Enabled all Source MAC filtering Disabled Wireless Wireless communication Enabled SSID name OnNetworksXX where XX are two random digits Can...

Страница 74: ...200 x 113 4 x 86 2 mm 7 9 x 4 5 x 3 4 in Weight 0 28 kg 0 62 lb Operating temperature 0 to 40 C 32 to 104 F Operating humidity 90 maximum relative humidity noncondensing Regulatory compliance EN 55022...

Страница 75: ...g conformance standards EN300 328 2 4Ghz EN301 489 17 EN60950 1 For the complete EU Declarations of Conformity visit http www on networks com doc EDOC in Languages of the European Community Language S...

Страница 76: ...lijn 1999 5 EG Malti Maltese Hawnhekk On Networks Inc jiddikjara li dan Radiolan jikkonforma mal htigijiet essenzjali u ma provvedimenti ohrajn relevanti li hemm fid Dirrettiva 1999 5 EC Magyar Hungar...

Страница 77: ...must accept any interference received including interference that may cause undesired operation FCC Radio Frequency Interference Warnings Instructions This equipment has been tested and found to comp...

Страница 78: ...t forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 20cm between the radiator your body Caution Ce dispositif est conforme la norme CNR 210 d...

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