NetComm NB750 User Manual Download Page 1

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Summary of Contents for NB750

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Page 2: ...ta Monitor 21 3 4 WAN Con guration 23 3 4 1 Dynamic IP Connect to CABLE MODEM 25 3 4 2 PPPoE Dial Up DSL Type 25 3 4 3 Static IP Leased DSL Type 26 3 5 Bandwidth Usage Control 27 3 6 Con gure LAN DHCP...

Page 3: ...eway Mode Basic NAT Mode only 50 3 11 10 System Log 51 3 11 11 MAC Address Clone 51 3 12 Administration 53 3 12 1 Change Password 53 3 12 2 Back Up Restore 53 3 12 3 Load Factory Default 54 3 12 4 Dis...

Page 4: ...devices users if necessary Families with multiple PCs could share one ISP account to play games against each other through the NB750 Important Features Allows many users to use it with a single user...

Page 5: ...ning the NB750 user s manual 1 x AC Adapter suitable for your electric service 1 x Network cable with RJ 45 connectors for LAN connection When you open your package make sure all of the above items ar...

Page 6: ...Panel View LED Indicators LEDs Indication POWER On Power on Off Power off ALARM On System not working Off Normal operation WAN1 WAN2 On Linked Flash Data Transmitting Off Disconnected or undetected L...

Page 7: ...rash press the Factory Reset button to reload the factory default value or reset it back to the latest con guration le 1 2 3 Hardware Load Default If you need to reset the NB750 to factory default val...

Page 8: ...working mode includes different features Function Mode LAN to WAN Throughput NAT Function DMZ DoS Virtual Ser IP Filtering IP Domain PPPoE Dial up Gateway Mode Good Yes Yes Legal To Illegal Yes Router...

Page 9: ...ring X Remote IP Filtering X Intrusion Security X Dos Defense X URL Filtering X Remote Con gure X X X Virtual Server X X DMZ Host X X Multi NAT X X IP Binding X X Load Balance X X Dynamic DNS X X Mail...

Page 10: ...onnect to Internet Health Check X WAN Type Dynamic IP Schedule X Bandwidth Usage Control X Con gure LAN DHCP DHCP server X Routing Table Static Route X Dynamic Route X Access Control Local IP Filterin...

Page 11: ...NB750 Load Balancing Router User Guide 11 YML817 Rev1 Administration Password X Backup Restore X Load Factory Default Load Default Display X Save Reset X...

Page 12: ...ide YML817 Rev1 1 3 3 How to configure router This equipment provides three working modes for various usages In order to set the proper parameters in each function mode you can follow this ow chart be...

Page 13: ...the broadband ISP For the RJ45 cable type both WAN LAN ports support the auto MDI MDIX Function You can choose to use either crossover or straight type RJ 45 cable 2 2 Connection Procedure 1 Plug in D...

Page 14: ...s First check for the IP protocol and if necessary install it 1 In the Windows task bar click the Start button point to Settings and then click Control Panel 2 Double click the Network and Dial up Con...

Page 15: ...displays with a list of currently installed network components If the list includes TCP IP and then the protocol has already been enabled Skip to step 9 4 If TCP IP does not display as an installed c...

Page 16: ...our user name and password The default user name and password are both admin Figure 1 Login Web con guration display includes Welcome Work Mode System Status WAN Con gure Bandwidth Usage Control Con g...

Page 17: ...17 YML817 Rev1 Figure 2 Welcome You can select various functions listed in the left hand side of the Welcome display You are advised to change your password immediately Advice on managing your passwo...

Page 18: ...ual Ser IP Filtering IP Domain PPPoE Dial up Gateway Mode Good Yes Yes Legal To Illegal Yes Router Mode Best No No 1 Legal To Legal 4 No Basic NAT Mode 2 Good Yes Yes 3 Legal To Illegal Yes 1 All NAT...

Page 19: ...ering X Remote IP Filtering X Intrusion Security X Dos Defense X URL Filtering X Remote Con gure X X X Virtual Server X X DMZ Host X X Multi NAT X X IP Binding X X Load Balance X X Dynamic DNS X X Mai...

Page 20: ...Firmware Information DHCP TABLE Figure 4 Link Status LAN Status Shows the information of MAC Address IP Address Subnet Mask and DHCP Status Enable Disable WAN Status Shows the information of MAC Addre...

Page 21: ...ccumulated Data and Real Time Data for each WAN port Figure 5 Data Monitor Current Session TCP Session UDP Session ICMP Session Total Session Current Bandwidth Download Speed Upload Speed Accumulated...

Page 22: ...the data counter When the counter reaches its upper limit 4294967K it will reset from 0 automatically Total Bytes Total packets transferred by each WAN port Packets begin accumulating from power on C...

Page 23: ...k automatically to ascertain whether or not the link is alive Should the link fail the NB750 will switch packets to another existing link except TCP packet The router will switch back to the ADSL link...

Page 24: ...er ID and password have been con rmed and a connection made The user ID and password here are provided by your ISP 3 Static IP connect to Leased DSL ISP assigns you a static IP address When using the...

Page 25: ...lets the NB750 remain connected all the time unless disconnected by the user manually or by the ISP If you de ne the period as 3 the NB750 will automatically be disconnected after idling for 3 minutes...

Page 26: ...3 4 3 Static IP Leased DSL Type If you select Static IP Leased DSL you will need to input the IP Address Subnet Mask Primary DNS Secondary DNS and Gateway provided by your ISP The picture below is an...

Page 27: ...Figure 9 Bandwidth usage Control Example In the following display FTP HTTP Mail bandwidth will be limited by a certain percentage This router provides three commonly used protocols in the table Just l...

Page 28: ...nments It also simpli es IP use because the IP addresses are automatically and dynamically assigned when a station powers on You will need to indicate the range of DHCP servers and DNS addresses if yo...

Page 29: ...erver Domain B Users need to set the static routing path in the NB750 to let it recognize that there is another domain in this area These settings enable the packets from Domain A to reach the destina...

Page 30: ...50 Load Balancing Router User Guide YML817 Rev1 3 7 2 Current Table This display shows the valid routing paths in the NB750 Users can view the information about current routing paths Figure 13 Routing...

Page 31: ...rs from Con gure LAN display Reservations IP function By using this function users can have speci ed IP addresses matched to their computer NIC MAC address There are ten items in this function You can...

Page 32: ...cept digits 0 9 and only 3 8 2 Remote IP Filtering Gateway Mode only The NB750 allows you to restrict user access using the Remote IP Filter function You may restrict some destination IP addresses Fig...

Page 33: ...esses of any access If both addresses match the access is passed If the MAC address or IP address are not on the list or they do not match you have two options you can block it or let it pass through...

Page 34: ...r not If they are illegal IP s or multicast addresses this function will drop these packets Oversized Ping Dropping the packets of ping which exceed the size you set The default value is 32 bytes Drop...

Page 35: ...lose this source address for 5 minutes default value temporarily UDP Flooding WAN When a destination address of the NB750 receives UDP from WAN over 10000 times default value in one second the NB750 w...

Page 36: ...ion to take effect IP MAX MIN Limit The IP MAX MIN Limit allows you to manage bandwidth allocation for users IP IP address of speci ed user MAX Bandwidth limitation to this user MIN Minimal Bandwidth...

Page 37: ...sion mode When choosing this mode the NB750 will assign each incoming session to each WAN port one by one no matter what the traf c loading on each WAN port Figure 21 Session Mode Weight Round Robin m...

Page 38: ...N port to transmit and receive data automatically You need to enter the correct ADSL CABLE WAN speed The NB750 checks the available bandwidths in all WAN ports periodically then assigns the next sessi...

Page 39: ...IP addresses In this case the NB750 can let you de ne a dedicated port number to go to a dedicated WAN port The dedicated port is used to access these special WEB Servers Figure 24 Special Application...

Page 40: ...dress in the URL eld The NB750 provides easy access to the Internet via Dynamic IP Dynamic port Figure 26 Remote Con guration Remote IP speci c dedicated PC can remotely access the NB750 Leaving these...

Page 41: ...global port local port mapping function You can easily con gure an internal server with the same port number mapping on to a WAN IP with a different port number Global port WAN virtual protocol number...

Page 42: ...ass Through Example Example Supposing you want to have four servers providing FTP HTTP Mail and Telnet services you must enter four virtual servers and enable them If users key in ftp 203 74 94 30 the...

Page 43: ...ke to grant remote users the right to access one of your computers on LAN to perform some actions such as Internet games you must enable the function of DMZ When remote users access your legal IP s Br...

Page 44: ...use this section to speci cally assign the WAN IP address to a corresponding DMZ host If you own several legal WAN IPs you can assign which WAN IP corresponds to which IP on your LAN This assignment...

Page 45: ...bene t restrict broadcast storm in single IP domain the NB750 can check each packet with DoS function enabled Figure 31 Multi NAT LAN IP Separated LAN IP domain Subnet Mask Mask for IP domain WAN IP S...

Page 46: ...d WAN port to reach a dedicated destination server They will show only 1 IP address That means if the destination server address shows in this display when a user wants to reach the destination server...

Page 47: ...e the load balance function WAN Select WAN port to transfer packets for designated destination packet Example 1 IP Address Start port End Port WAN 210 3 1 23 1 65535 WAN1 All packets going to Internet...

Page 48: ...nected to the Internet if the DDNS function is enabled Internet users can nd the NB750 via this domain name Figure 33 DDNS User Name Please apply from www dyndns org Password Please apply from www dyn...

Page 49: ...ss that will receive the alert mail Sender mail address The mail address that sends out the alert mail You should ll in a legal format address ex router yahoo com Send by Direct send Emails are sent f...

Page 50: ...Basic NAT Mode only The NB750 will obtain Greenwich Mean Time GMT after it is connected to the Internet You need to indicate the local time so the system shows the correct time For example Sydney s l...

Page 51: ...down WAN IP address the obtained time DDNS current corresponding WAN IP address and so forth You can use the page saving function of your browser to save the log details Figure 37 System Log 3 11 11...

Page 52: ...nt to use then click OK Set WAN PORT MAC Address Equal PC MAC Address Duplicate the MAC address to the MAC address in each WAN port Remove all Ethernet cables on the NB750 LAN port except for the PC y...

Page 53: ...he password will be changed to the new one after the re boot Password length can up to 30 alphanumeric characters case sensitive Figure 39 Password WE ADVISE YOU TO CHANGE THE NB750 PASSWORD AND KEEP...

Page 54: ...efault press Default button and hold for 2 seconds the factory default con guration will be loaded Reset press Default button and hold for 2 seconds The latest con guration le will be loaded Load Fact...

Page 55: ...rmware on the web site to help you updating the rmware of your NB750 Follow the procedure to update your rmware after downloading the new code Method 1 Run a TFTP server program such as TFTPD32 TFTPD...

Page 56: ...of TFTPD32 Figure 44 Save TFTP File Enter the Server Name and File Name in the new folder elds of Firmware Update window and then click OK Figure 45 Fill in Server Name and File Name You will see the...

Page 57: ...the le with exe extension le name you downloaded Here we take v105 exe as the example of new version le Click Search to nd the IP of the NB750 Figure 46 Search for IP Address The IP address of the NB...

Page 58: ...set In order to save the con guration changes that have been made to the NB750 you must save them to the NB750 s Flash memory If you do not save the changes the con guration settings will be lost in t...

Page 59: ...CP SMTP 25 TCP RLOGIN 513 UDP DNS 53 UDP SYSLOG 514 UDP TFTP 69 UDP TALK 517 518 TCP GOTHER 70 UDP RIP 520 TCP FINGER 79 TCP AFPOWERTCP 548 TCP HTTP 80 TCP Net Meeting 1503 1702 TCP POP3 110 TCP L2TP...

Page 60: ...y WAN connection drop out the NB750 maintain Internet services by automatically routing data to an active connection The NB750 provides one LAN port to connect to a computer via a cable You can also c...

Page 61: ...PTP Routing Protocol Static Route RIP 1 RIP 2 Dynamic DNS Support dyndns org dtdns com 88ip com oray net Working mode Router mode Work as a router with 3 different LAN Not support PPPoE Gateway mode A...

Page 62: ...il Alert WAN up WAN down DoS attack System Log Support both direct sending and Mail Server forwarding System Timer NTP Network Timer Protocol Use PC local time System Log Local event logging DHCP Serv...

Page 63: ...Binding speci c destination IP address plus port number through dedicated WAN port Special IP assignment speci c destination IP or local IP address through dedicated WAN port Route path control by IP...

Page 64: ...rent LAN segment IP can be de ne at LAN port Virtual Server Bi direction virtual server Local virtual server pass through Support group virtual server setting mode LAN users can use WAN IP to reach vi...

Page 65: ...Network Ports can connect any networking devices that use a standard LAN interface such as a Hub Switch Hub or Router Use unshielded twisted pair UTP or shield twisted pair STP cable to connect the ne...

Page 66: ...nd In a crossover cable the wires of 1 2 3 6 are reversed so that wire 1 become 3 at the other end of the cable 2 becomes 6 and so forth To determine which wire is wire 1 hold the RJ 45 cable tip with...

Page 67: ...com au Fax 612 9424 2010 Web www netcomm com au Copyright Information This manual is copyright Apart from any fair dealing for the purposes of private study research criticism or review as permitted u...

Page 68: ...o guarantee that interference will not occur with the installation of this product in your home or of ce If this equipment does cause some degree of interference to radio or television reception which...

Page 69: ...You or someone else use the product or attempts to use it other than as speci ed by NetComm 2 The fault or defect in your product is the result of a voltage surge subjected to the product either by t...

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