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Chapter 7

Application of SP3353

7.1. Internet Access

BroadLink SP3353 is the ideal high-speed Internet access solution. It supports the

TCP/IP protocol, which the Internet uses exclusively and compatible with all major

ADSL DSLAM (Digital Subscriber Line Access Multiplexer) providers. Think of it as

the equivalent of a modem rack for ADSL. A typical Internet Access application is

shown below. It allows multiple users on the LAN to access the Internet

concurrently by sharing Single User Account.

7.2. Port Forwarding

In many cases, Port Forwarding is called “Virtual Server”. The Virtual Servers

feature allows Internet users to access standard Servers on your LAN, via the

Internet IP Sharer. Normally, Internet users would not be able to access a server on

your LAN because:

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Содержание BroadLink SP3353

Страница 1: ...http www micronet info Installation Guide BroadLink ADSL Router Model No SP3353 ...

Страница 2: ...2 Copyright C 2002 All Rights Reserved ...

Страница 3: ...or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into a different outlet from that the receiver is connected Consult your local distributors o...

Страница 4: ...4 CopyrightC 2002 All Rights Reserved ...

Страница 5: ... 1 What is ADSL 12 2 2 VPI VCI 13 2 3 Multiplexing 14 2 4 PPPoE 14 Chapter 3 Introduction To Internet ADSL Router 17 3 1 The Front Panel 17 3 2 The Real Panel 19 3 3 Installing and Using Internet ASDL Router 19 Chapter 4 System Configuration of this ADSL Router 26 4 1 Error Log 26 4 2 Remote Access 26 4 3 Upgrade 27 4 4 Autoprovisioning 27 4 5 Restart 28 Chapter 5 Configuration of this ADSL Router...

Страница 6: ...Advanced Configuration 39 6 4 Firewall Policy Configuration 42 6 5 Firewall Trigger Configuration 44 Chapter 7 Hardware Settings 46 7 1 Gs7070 46 7 2 Ethernet 47 Chapter 8 Application of SP3353 48 8 1 Internet Access 48 8 2 Port Forwarding 48 8 3 NAT Port Mapping 50 8 4 DNS Setting 50 8 5 AutoPVC 50 Chapter 9 Appendix 52 Chapter 10 Glossary 53 ...

Страница 7: ... proof of purchase should the product have indications of failure due to faulty workmanship and or materials Micronet will at its discretion repair or replace the defective products or components without charge for either parts or labor and to whatever extent it shall deem necessary to restore the product or components to proper operating condition Any replacement will consist of a new or re manuf...

Страница 8: ...pped by Micronet to the corresponding return address 1 3 Customer Support If you have questions about your Micronet product s or desire assistance please contact Micronet Communications Corporation offices in Taiwan The telephone number is 886 2 22183656 Our technical support email address support micronet info is also available 1 4 ADSL Router SP3353 SP3353 is an ADSL router used for Internet LAN...

Страница 9: ...It is designed to guide you through the correct configuration of your SP3353 for various applications 1 6 Package Information Before you start please check all the contents of this package The product package should include the following One ADSL Router One power adapter One UTP cable User s Manual CD ROM Quick Installation Guide 1 7 Product Specifications Standard ITU G 992 1 G DMT AnnexA AnnexB ...

Страница 10: ...ions System Power Status Port ADSL LINK ACT Port Ethernet SPEED LINK FDX COL Software Support Embedded Web based management interface LAN WAN management via Telnet or Web based management interface DHCP client server relay function Internet game and multi media applications support Firmware upgradeable PPPoAand PPPoE protocol Static Dynamic routing NAT NAPT function Port filtering Security trigger...

Страница 11: ...uffer Memory MAC address 128Kbyte 4K MAC address table Emission FCC Class B CE Operating Environment Temperature 0 degree C to 50 degree C Humidity 10 to 90 Power Supply External Power Adapter 12VDC 1000mA ...

Страница 12: ...stems can operate over the same cable The advantages of ADSL form the point of view of the Network Service Provider and the end users 1 ADSL enables Telcos to use the existing copper wires around the world to deliver affordable high speed remote access to the Internet corporate networks and on line services over ordinary phone lines 2 There is no time wasted for dialing up ADSL is always on and co...

Страница 13: ... VCI The valid range for the VPI is 1 to 255 The VCI is 32 to 65535 since 1 to 31 is reserved for local management of ATM traffic Your Telecos should supply you with these numbers ATM is a connection oriented technology It sets up virtual circuits over which end systems communicate The terminology for virtual circuits involves VC virtual channel and VP virtual path VC is the logical connections be...

Страница 14: ... of ATM VCs in fast and economical LLC based multiplexing VC carries multiple protocols with protocol identifying information being contained in each packet header Despite the extra bandwidth and processing overhead this method may be advantageous if it is not practical to have a separate VC for each carried protocol e g if charging heavily depends on the number of simultaneous VCs 2 4 PPPoE When ...

Страница 15: ...see the figure below One PVC can support any number of PPP sessions from your LAN PPPoE provides access control and billing functionality in a manner similar to dial up services using PPP Like the architecture shown above the PPPoE driver makes the Ethernet appear as a serial link to the PC while the modem bridges the Ethernet frames to the Access Concentrator AC Between the AC and an ISP the AC i...

Страница 16: ...rface 2 PPPoE lessens the burden on the carriers of provisioning virtual circuits all the way to the ISP on multiple switches for thousands of users For PSTN and ISDN the switching fabric is already in place 3 It allows the ISP to use the existing dial up model to authenticate and to provide differentiated services ...

Страница 17: ...EDs Power Lights green when the ADSL Router is receiving power Status The LED will be dark for 10 seconds when the system is started After that the LED will blink periodically to show the ADSL Router is working normally If the LED stays green dark that means the system is fail you need to try to reboot the system or contact your agent Port LEDs ADSL LINK The LED stays light green means the port ha...

Страница 18: ...linkage to its associated device Flashing green indicates that the port is receiving or transmitting data between its associated devices SPEED The SPEED LED indicates the link speed of each port If the LED lights green then the connection speed is 100Mbps off for 10Mbps Factory Setting Button Push the button for 5 seconds the system will return to factory default setting In the meantime system rew...

Страница 19: ...on provides a step by step guide to the installation and configuration of the ADSL Router It assumes that your computer uses the Windows 95 98 or newer version and a web browser is installed for configuration purposes We suggest you go over the whole section and then do more advanced operation 3 3 1 Network configuration setup Steps to build up the network 1 Check your ADSL service is enabled and ...

Страница 20: ...other side to the wall outlet 3 3 2 Computer configuration setup In order to communicate with ADSL Router the connected computer needs to install the TCP IP protocol and setup the related address information 1 Double click the My Computer icon on the desktop screen 2 Double click the Control Panel Network 3 Click the Configuration tab and check the TCP IP protocol is available or not If yes skip t...

Страница 21: ...window After that select TCP IP protocol on the Network Protocols block and click OK button 6 Select the TCP IP component in the Configuration tab of the Network window Click Properties button 7 The screen will show up the TCP IP Properties window then start the setting First of all you need to choose the IP address is dynamically assigned by a DHCP server or fixed ...

Страница 22: ...of the TCP IP Properties window and enter 192 168 1 x in the IP Address field the x is a number between 2 and 254 used by the ADSL Router to identify individual computers Select the DNS Configuration tab and click Enable DNS Enter the DNS IP Address obtained from your ISP in the Server Search Order location Click OK button NOTE 0 The default IP address of ADSL Router is 192 168 1 1 and subnet mask...

Страница 23: ...ADSL Router through your computer has a web browser installed Please follow up the steps listed below 1 Double click the Internet web browser icon on your desktop screen Netscape Communicator 4 0 and Internet Explorer 3 0 or update version 2 Type 192 168 1 1 into the URL web address location and press Enter 3 The Username and Password Required window appears Enter admin in the User name location d...

Страница 24: ...options to configure the system In the right navigation screen is the summary of system status you could view the configurations or click the short cuts for further system setup Quick Start This page allows you to set up some authentication login details which your ISP may require ...

Страница 25: ...Login Setup 2 PPPoE Login Setup Enter your PPPoE Username and Password provided by your ISP 3 PPPoE Login Option PPPoE Service Name Some ISPs require PPPoE Service Name when making ADSL service connection Dial On Demand Enter a number as a predetermined period of time for auto disconnection This device can auto disconnect from the Internet when the idle time minutes is up Keep Alive To keep the li...

Страница 26: ...nd Restart In this page system settings and parameters could be launched 4 1 Error Log You can read here system logs and error messages 4 2 Remote Access After enabling the NAT function system may temporarily permit remote administration of this device via WAN port This feature could prevent outside intruders from accessing this management interface ...

Страница 27: ...disk Click Browse button and specify the file path then click the Upgrade button the upgrade process will begin If the upgrade process has been interrupted by any reason power off cable plug out etc the system will fail Before performing Firmware Upgrade process ensure a safe operating environment please 4 4 Autoprovisioning If your ISP supports AutoPVC please enable it here ...

Страница 28: ...28 4 5 Restart Press the Restart button to reboot the ADSL Router IF you would like to reset all configurations to factory default please check the Reset to factory default settings box ...

Страница 29: ...s chapter we introduce you the configuration step by step Since the Security is more complicated than others So we divide the section in the next chapter 5 1 Save Config Click Save button here to save and enable the changes you have ever made 5 2 Authentication You can add new user account in this page ...

Страница 30: ...false this user only has the permission to view System Status and Error Logs 4_ Enter the statement in Comment for identification Optional 5_ Click Create button to add a new user account or Reset to clear all value 5 3 LAN Connection You can change the IP address of your LAN interface here Basically the IP address will be the Default Gateway and DNS Server of your LAN interface ...

Страница 31: ...y need to assign different system parameters Please referring to your ISP s technical documents first for correct information or consult an experienced technician for help Create a new service There is a factory default WAN service click Edit Delete for Modify Remove the service RFC1483 routed RFC1483 encapsulation routing mode RFC1483 bridged RFC1483 encapsulation bridging mode ...

Страница 32: ...rence to your ISP s technical documents Tx Vci Vpi Virtual Circuit Path Identity of ATM transmission rate Rx Vci Vpi Virtual Circuit Path Identity of ATM receiving rate Edit IP Interface The WAN IP interface values Edit RIP Version RIP protocol values for routing table exchange Edit TCP MSS Clamp MSS Clamping values 5 5 IP Routes You can create a Static Routing table manually to administrate the n...

Страница 33: ...example 203 69 28 0 Gateway The Gateway IP address to the destination network for example 203 69 28 18 Netmask Network mask of the destination network 5 6 DHCP Server This function assigns IP addresses to local client computers dynamically The DHCP Server Mode default value is enable ...

Страница 34: ...e Max Lease Time is up It can be changed from clicking Configure Box Allow Bootp Some clients acquire an IP address by BOOTP protocol In this case you could enable this function Click Configure Box and Advanced Options Edit Dhcp Server screen will show in the right frame Select True or False to control this feature Allow Unknown Clients Enable the feature can allow Remote clients access your netwo...

Страница 35: ...35 Enabled True DHCP Enabled False DHCP Disabled 5 6 2 Subnet definitions Subnet Value The current Network ID of your LAN factory default value is 192 168 1 0 ...

Страница 36: ...er will be sent simultaneously with leased IP address to the client True The ADSL Router is the Default Gateway False The ADSL Router is not the Default Gateway 5 7 DNS Client Enter the DNS server s IP addresses and click Add button Every time when DNS servers reply queries the ADSL Router makes a copy and saves the record Next time when the same domain name is queried again the ADSL Router replie...

Страница 37: ...37 5 8 DNS Relay Please enter the DNS server IP address When client hosts query domain names ADSK Router will relay the queries to DNS server you specified here ...

Страница 38: ...ty For security or management consideration you man need to setup system policies or filters to limit block specific IP addresses ports from being accessed The ADLS Router provides various security functions In this page you can setup Security State Security Level Firewall Policy Configuration Firewall Trigger Configuration Configure Intrusion Detection ...

Страница 39: ...is added 5 Repeat the phase 2 4 Replace iplan by ipwan and internal by external in phase 3 to add the External Interface 6 The Enable NAT to internal interfaces button under Security Interfaces item appears click it to enable NAT Network Address Translation function 6 3 NAT Advanced Configuration 6 3 1 Global Address Pools A Global Address Pool is a pool of addresses seen from the outside network ...

Страница 40: ...ddress of a range in the IP Address item for example 203 69 28 08 2 Enter starting IP address of a range in the Subnet Mask IP Address item for example 203 69 28 36 3 Click Add Global Address Pool button to add the IP address 203 69 28 08 203 69 28 36 Reserved Mappings A reserved mapping is used so that NAT knows where to route packets on inbound sessions The reserved mapping will map a specific g...

Страница 41: ...41 Reserved Mapping table when an Internet Browser Internet Explorer Netscape Navigator knocks port 80 of the Global IP Address 203 69 28 08 the Internal IP Address 192 168 1 2 provides HTTP service ...

Страница 42: ... preset firewall policies are implemented Port filters Port filters are rules that determine how a packet should be handled Refer to the following Port filters table users in the LAN side could access the port 21 ftp and port 80 http services in the Internet But outside users who access the port 21 and port 80 via WAN port of the device are not allowed ...

Страница 43: ... addresses to block specific internal users from accessing being accessed the Internet Refer to the following Host Validator table 1 Any access intention incoming from WAN port to the internal IP address 192 168 3 will be blocked 2 Any incoming outgoing access intention come to from the IP addresses in the range of 192 168 1 128 192 168 1 143 will be blocked ...

Страница 44: ...tions during normal operations The most common example of this is FTP Rather than allowing a range or port numbers triggers handle the situation dynamically allowing the secondary sessions on when appropriate After selecting a security level the preset Firewall Triggers are implemented Allow Multiple Hosts Allows multiple hosts to use the same port or not Max Activity Interval ...

Страница 45: ...ed address and or port information in the payload of the packet This function allows you to specify what type of address replacement is set on a trigger Incoming packets are searched in order to find their embedded IP address The address is then replaced by the correct inside host IP address and NAT translates the packets to the correct destination Configure Intrusion Detection Key in the detectio...

Страница 46: ... this chapter we discuss the hardware settings These settings will influence the handshaking with DSLAM Please don t change the value unless your telephone service provider does 7 1 Gs7070 These are basic port attributes of ADSL port ...

Страница 47: ...47 7 2 Ethernet These are basic port attributes of Ethernet port ...

Страница 48: ... Think of it as the equivalent of a modem rack for ADSL A typical Internet Access application is shown below It allows multiple users on the LAN to access the Internet concurrently by sharing Single User Account 7 2 Port Forwarding In many cases Port Forwarding is called Virtual Server The Virtual Servers feature allows Internet users to access standard Servers on your LAN via the Internet IP Shar...

Страница 49: ... but using different protocols To Internet users all virtual Servers on your LAN have the same IP Address This IP Address is the IP Address allocated by ISP on the Internet Account screen for the port s which you are using This address should be static rather than dynamic to make it easier for Internet users to connect to your Servers The Internet IP Sharer supports two 2 types of Virtual Servers ...

Страница 50: ... the site or the DNS name When you type a domain name in a Web browser a query is sent to the primary DNS server defined in your Web browser s configuration dialog box The DNS server converts the name you specified to an IP address and returns this address to your system From then on the IP address is used in all subsequent communications SP3353 design DNS in DHCP Parameter It keeps three Name Ser...

Страница 51: ... is switched to the Ethernet port Inside ATM VCs any protocol can be transported However at both endpoints the ATM channels are terminated the same protocol must be supported If not there will be no end to end connectivity Only frames recognized supported by SP3353 on a particular ATM connection are extracted or encapsulated Currently the supported encapsulations are 1 Transparently Bridged connec...

Страница 52: ...opher TCP 70 HTTP TCP 80 HTTPS TCP 443 IMAP TCP 143 InterLocator TCP 389 IRC TCP 6660 6669 L2TP TCP 1701 VDOLive TCP 7000 7010 WAIS TCP 210 WINFRAME TCP 1494 X WIN TCP 6000 6030 DNS UDP 53 IKE UDP 500 NFS UDP 111 NTP UDP 123 PC Anywhere UDP 123 RIP UDP 520 SNMP UDP 161 SYSLOG UDP 514 TALK UDP 517 518 TFTP UDP 69 UDP Any UDP Any UUCP UDP 540 PING ICMP ANY TRACEROUTE ICMP Any ...

Страница 53: ...for transport through the ATM network ADSL Asymmetrical Digital Subscriber Line is an asymmetrical technology meaning that the downstream data rate is much higher than the upstream data rate ADSL operates in a frequency range that is above the frequency range of voice services so the two systems can operate over the same cable ATU C and ATU R ADSL Transmission Unit Central or Remote the device at ...

Страница 54: ...r pathway within a network Bandwidth This is the capacity on a link usually measured in bits per second bps Bit and Byte Binary Digit A single digit number in base 2 in other words either a 1 or a zero The smallest unit of computerized data A set of bits that represent a single character There are 8 bits in a Byte Bridge A device connects two or more physical networks and forwards packets between ...

Страница 55: ...alternative protocol that avoids sending passwords over the wire by using a challenge response technique Client A software program that is used to contact and obtain data from a Server software program on another computer Each Client program is designed to work with one or more specific kinds of Server programs and each Server requires a specific kind of Client A Web Browser is a specific kind of ...

Страница 56: ...to transmit digital data over the hardware channel The device converts signals from bridges routers and multiplexors into the bipolar digital signals used by the digital lines Multiplexors mix voice signals and data on the same line D DCE Data Communications Equipment is typically a modem or other type of communication device The DCE sits between the DTE data terminal equipment and a transmission ...

Страница 57: ...r return messages or data transfers from the network machine to the user s premises machine DSL Digital Subscriber Line technologies enhances the data capacity of the existing twisted pair wire that runs between the local telephone company switching offices and most homes and offices There are actually seven types of DSL service ranging in speeds from 16 Kbits sec to 52 Mbits sec The services are ...

Страница 58: ...work Dynamic IP addresses are typically assigned by a DHCP server which can be a computer on the network or another piece of hardware such as the Router A dynamic IP address may change every time your computer connects to the network E Encapsulation The technique used by layered protocols in which a layer adds header information to the protocol data unit PDU from the layer above As an example in I...

Страница 59: ...at is a repository for services available to other computers on the network It is quite common to have one host machine provide several services such as WWW and USENET I ICMP Internet Control Message Protocol is a message control and error reporting protocol between a host server and a gateway to the Internet ICMP uses Internet Protocol IP datagrams but the messages are processed by the TCP IP sof...

Страница 60: ...ter s unique hardware number On an Ethernet LAN it s the same as your Ethernet address The MAC layer frames data for transmission over the network then passes the frame to the physical layer interface where it is transmitted as a stream of bits N NAT Network Address Translation is the translation of an Internet Protocol address used within one network to a different IP address known within another...

Страница 61: ... dial up connection PSTN Public Switched Telephone Network was put into place many years ago as a voice telephone call switching system The system transmits voice calls as analog signals across copper twisted cables from homes and businesses to neighborhood COs central offices this is often called the local loop The PSTN is a circuit switched system meaning that an end to end private circuit is es...

Страница 62: ...on the Internet and is common in the NetWare environment as a method for exchanging routing information between routers Router A system responsible for making decisions about which of several paths network or Internet traffic will follow To do this it uses a routing protocol to gain information about the network and algorithms to choose the best route based on several criteria known as routing met...

Страница 63: ...s that are not recognized as being local some packets can circulate for long periods of time eventually degrading system performance This algorithm ensures only one path connects any pair of stations selecting one bridge as the root bridge with the highest priority one as identifier from which all paths should radiate Spoofing A method of fooling network end stations into believing that keep alive...

Страница 64: ...o dissimilar devices for example a data terminal equipment DTE and a data communications equipment DCE device A straight through Ethernet cable is the most common cable used Subnet For routing purposes IP networks can be divided into logical subnets by using a subnet mask Values below those of the mask are valid addresses on the subnet T TCP Transmission Control Protocol The major transport protoc...

Страница 65: ...small independent requests such as requesting a MIB value from an SNMP agent in which first setting up a connection would take more time than sending the data UNI signaling User Network Interface signaling for ATM communications V Virtual Channel Identifier Identifies virtual channels between users or between users and networks Virtual Connection VC A link that seems and behaves like a dedicated p...

Страница 66: ...al Path Identifier Identifies virtual paths between users or between users and networks W WAN Wide Area Networks link geographically dispersed offices in other cities or around the globe Just about any long distance communication medium can serve as a WAN link including switched and permanent telephone circuits terrestrial radio systems and satellite systems ...

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