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ONE

Chapter 

1

5

Introduction and Description

Introduction

If you haven’t already done so, go through your Installation Manual which details how to
install the ProxyServer and the ProxyServer utilities. Be sure to follow all instructions.

Congratulations on purchasing the best in networking technology. The ProxyServer acts
as a central dial-out Internet access point for all of your network clients.  The
ProxyServer accomplishes this by allowing all of your network clients to simultaneously
share:

1 Modem or ISDN TA

1 regular dial-up account from your ISP.

1 IP address that can be either dynamic or static

The ProxyServer Utilities

The ProxyServer utilities include:

ProxyServer Wizard: A step-by-step process that will let you input all the basic
settings that are needed to configure your ProxyServer for general usage.  All
settings that are entered here will also be shown in their respective menus in
ProxyServer Manager.

ProxyServer Manager: ProxyServer Manager is the main program used to
configure all the settings of your ProxyServer.

ProxyServer Monitor: ProxyServer Monitor

 is a multipurpose utility that was

designed for letting you know the status of your ProxyServer connection. It provides
a step-by-step event monitor whereby on each event you can point and click to bring
up an on-line help screen that will advise you of any troubleshooting procedures that
are needed.

Summary of Contents for ProxyServer MTPSR1-100

Page 1: ...Proxy User Guide Model MTPSR1 100 ...

Page 2: ... from time to time in the content hereof without obligation of Multi Tech Systems Inc to notify any person or organization of such revisions or changes Record of Revisions Revision Description A Manual released All pages at revision A 6 1 98 Patents This Product is covered by one or more of the following U S Patent Numbers 5 301 274 5 309 562 5 355 365 5 355 653 5 452 289 5 453 986 Other Patents P...

Page 3: ...4 Server IP Address 14 Server Subnet Mask 14 External Port IP Address 14 DNS Server IP Address s 14 Allow connection to be established by dial in 14 Callback Telephone Number 15 Modem Settings 16 Baudrate 16 Select Modem and Modem String Setting 16 Enable Login Script 17 Writing a Login script 18 Step A Learn the ProxyServer Login Script Commands Available to you 18 Step B Get Login Script Informa...

Page 4: ...pplications to Connect Through LAN 39 Step 4 Important Notes 40 Chapter 6 Troubleshooting Tools for Your ProxyServer 41 Tool A ProxyServer Monitor 41 Tool B PING 41 Tool C WINIPCFG and IPCONFIG 42 Tool D TRACERT 42 Troubleshooting Time 43 Chapter 7 Warranty Service and Technical Support Introduction 45 Limited Warranty 45 Online Warranty Registration 46 Tech Support 46 Recording ProxyServer Inform...

Page 5: ...ynamic or static The ProxyServer Utilities The ProxyServer utilities include ProxyServer Wizard A step by step process that will let you input all the basic settings that are needed to configure your ProxyServer for general usage All settings that are entered here will also be shown in their respective menus in ProxyServer Manager ProxyServer Manager ProxyServer Manager is the main program used to...

Page 6: ...Telephony Chat and Video Conferencing 460K bps baud rate easily supports 128K bps ISDN TAs or 56K bps analog modems Some ProxyServer FAQs Q Can the ProxyServer support both dynamic and fixed IP addresses A Yes the ProxyServer supports both dynamic and fixed IP addresses Q How many simultaneous sessions can the ProxyServer handle A The ProxyServer serial port can simultaneously handle 16 FTP sessio...

Page 7: ...t all the basic settings that are needed to configure your ProxyServer for general usage All settings that are entered here will also be shown in their respective menus in ProxyServer Manager After you have installed the ProxyServer utilities you will automatically be brought into ProxyServer Wizard To Run ProxyServer Wizard from Windows 95 NT click Start Programs ProxyServer ProxyServer Wizard ...

Page 8: ...g from the Device Name list Click Next to continue Step 2 Set the Device s IP Address and Name The next thing you must do is give your ProxyServer an IP address on your network This is NOT the IP address from your ISP but the local internal LAN IP address Note Please Pick an IP address that won t conflict with any other PCs or devices on your network The first three octets of every device or compu...

Page 9: ...les So our example number could also be entered as 9 5552323 Each comma will provide around a 3 4 second delay Note ISDN TA Setup If you would like to bundle your two ISDN B channels together you need to enter the two phone numbers in the Telephone Number field Usually ISDN TAs support either the or command so when entering the phone numbers you can enter them as either for example 555 2323 555 21...

Page 10: ...ntinue Step 5 Select Modem and Set Baudrate Enter the modem that you are using and the baudrate i e the speed of communication between the ProxyServer and your modem or ISDN TA This is a very important setting and determines the communication between your ProxyServer and modem Modem You can use the Select Modem button to select your Modem or ISDN TA This setting will configure the initial string i...

Page 11: ... ProxyServer is 4 times the speed of your modem If you set the baudrate too high the ProxyServer may not be able to dial up a connection For example if you have a 14 4K bps modem the highest you should set the baudrate is 57 6K bps Also note that due to ISP connections and phone line conditions this maximum speed is theoretical and not guaranteed When you are finished click Next to continue Step 6...

Page 12: ...he bottom of your screen 2 If you don t need to configure anything else in ProxyServer Manager click Run Monitor and then use ProxyServer Monitor s Test Connection function to see if your ProxyServer can dial up a connection with the settings that you have configured Please see Chapter 4 ProxyServer Monitor for instructions 3 Once Test Connection has verified your connection go to Chapter 5 Settin...

Page 13: ......

Page 14: ...dress is often dynamically assigned by your ISP i e it changes every time you log on To have this address assigned by the ISP leave this field as it s default entry 0 0 0 0 If you have been given a static IP address by your ISP you can enter it in this field DNS Server IP Address s The DNS Server IP address that you entered in ProxyServer Wizard will be displayed here The ProxyServer supports mult...

Page 15: ...to your ISP up all the time and your ISP will not support the telephone charge to dial in to your network when people try and access your static IP address or domain name After you have entered your ISP s phone number in this field when anyone calls up the ProxyServer the ProxyServer will automatically hang up and dial the ISP s phone number establishing the Internet connection For information on ...

Page 16: ... displayed here was configured automatically when you selected your modem or ISDN TA in ProxyServer Wizard If your modem is not listed in the Modem Selection List the Standard Modem selection will work with most modems Note ISDN TA Setup Extremely Important Unfortunately unlike most modems ISDN initial strings vary between different ISDN TAs and there is no Standard ISDN TA initial string If your ...

Page 17: ...gin script you can manually input the communication between your Modem and ISP Most ISPs support automatic PPP negotiation but if your ISP does not support automatic PPP negotiation you will have to enter a login script You can also use the login script to enter a second backup ISP or write a script that makes the ProxyServer redial until a successful connection has been established To write a log...

Page 18: ...er Monitor display to hide password Send Types Enter key at the ISP Interface Important for ISPs like Compuserve Wait Wait 5 Modem will wait for 5 seconds before going to next command Wait CONNECT Modem will wait for CONNECT to come onto screen before going to next command Wait CONNECT 6 Modem will wait for CONNECT to come onto screen before going to next command If connect does not come onto scre...

Page 19: ...ng utility in Windows 95 Your Windows 95 Dial up Networking folder is located in the My Computer icon For example the screen below shows the opening display screen for an ISP called HINET The important parts of the screen where the ISP requests information are highlighted Annex Command Line Interpreter Copyright C 1988 1995 Xylogics Inc Checking authorization Please wait Enter username Jerry Enter...

Page 20: ...Waits for ISP to send reply password Send 1234 Sends password 1234 to ISP Wait Waits for ISP to send reply Send 1 Selects option 1 PPP for this ISP Starts PPP mode Example 2 Script for Unreliable ISP Redial until connected Login Script Meaning of Each Login Script Command 1 Send ATZ Resets modem 2 Send AT S0 1 Sends initial string AT S0 1 to modem 3 Send ATDT 5552121 Dials phone number 555 2121 4 ...

Page 21: ... 1234 to ISP 9 Wait Waits for ISP to send reply 10 Send 1 Selects option 1 PPP for this ISP 11 Go Starts PPP mode Rest of script ignored 12 Hangup Hangs up Modem 13 Send AT S0 1 Sends initial string AT S0 1 to modem 14 Send ATDT 5553333 Dials phone number 555 3333 ISP 2 15 Wait CONNECT 23 Waits for ISP to send reply CONNECT If not received will go to line 23 16 Wait username 23 Waits for ISP to se...

Page 22: ...ets you set the idle time out function for the serial port of your ProxyServer Here you can set the number of minutes you wish to let a connection stay idle before disconnecting Note If you turn off the idle timer once a client establishes a connection the connection will be maintained until you turn off your modem unplug the ProxyServer or use the Terminate Connection function in ProxyServer Moni...

Page 23: ...nge then enter a new range and click Insert To delete an IP address range first select it and then click Delete IP Address Mapping Reservation You can use the IP Address Mapping Reservation option to give particular computers on your network the same static IP address every time they turn on their computer To assign a computer on your network a static IP address enter the MAC address of the comput...

Page 24: ... routes between You should enter the router s IP address that is on the same side as your ProxyServer In our example the IP address of our router is 213 0 0 10 3 Set the Interface to Local Network 4 Click Insert 5 Click OK What is the purpose of the routing table The routing table is important if you have routers on your LAN The Internet is basically one giant network that uses IP addresses to loc...

Page 25: ...m IP addresses So if you have two networks on your LAN it wouldn t be a good idea to use any IP addressing system on your network that used valid Internet IP addresses Why Because this could result in packets that are meant for another network on your LAN being sent through the ProxyServer The solution is that there are certain IP addresses that have been reserved for use on LANs and will never be...

Page 26: ...ber for the service that you will be using for this mapping C Enter the IP address of the computer or device that will act as the server site on your network in the Internal IP field Enter the port number for the service that you will be using for this mapping D Click Insert to insert the mapping Note A limitation of the Virtual Server is that you can only use one computer per port For example if ...

Page 27: ...ts access to Newsgroups Server Name and Password 1 Server Name This field displays the name of the ProxyServer If you would like to change this name enter the new name in this field 2 Server Password and Password Verification The ProxyServer Manager does not come with a password If you choose to give the ProxyServer a password this password will be required the next time and subsequent times that ...

Page 28: ... select your own file type You can also use the default directory listed in the File Directory field or choose your own Click OK to save the settings to a file Load Settings The Load Saved Settings option lets you load the original default settings of the ProxyServer or previously saved settings First choose whether you want to load the default settings or load settings from a previously saved fil...

Page 29: ...File Directory ProxyServer Manager will automatically detect the new firmware name and it will be displayed in the Firmware File Name field The Firmware File Version will display the version number of your new firmware Click Upgrade to install your new firmware General Diagnostic The general diagnostic function will perform a check up on your ProxyServer to make sure that everything is functioning...

Page 30: ...ProxyServer User Guide 30 ...

Page 31: ... ProxyServer Monitor ProxyServer Monitor is a utility that lets you know what your ProxyServer is doing and helps you with any problems To Run ProxyServer Monitor from your Desktop In Windows 95 NT Click Start Programs ProxyServer Monitor ...

Page 32: ... of ProxyServer Monitor displays the communication occurring between your ProxyServer modem or ISDN TA and ISP Note You can use your mouse to point and click on any of the event messages to bring up a help screen If any errors have occurred you can use this as a guide to help you fix the problem Terminate Connection The Terminate Connection function was designed to allow the network administrator ...

Page 33: ...t originated from Remote IP will tell you what IP address that was requested Port will tell you what port was requested Connection Time Tab Device power turned on will display the time when your ProxyServer was last turned on Total Power On Time will display the total time since your ProxyServer was last turned on Total Connection Time will display the total connection time to your ISP that has be...

Page 34: ...l commands to your modem or ISDN TA This indicator lights if the communication is successful and your modem is ready to dial a connection 3 Modem Connected This indicator lights if the ProxyServer has detected that your modem or ISDN TA has successfully dialed up a connection to a remote site 4 PPP Connected This indicator lights if after the connection is established the ProxyServer has detected ...

Page 35: ... ProxyServer clients Step 1 Install TCP IP Protocol on each ProxyServer Client PC In order for a computer to use the ProxyServer TCP IP Protocol must be installed on that computer To install or check if TCP IP protocol is installed on a PC A In Windows 95 NT Click Start Settings Control Panel Double click the Network icon to open the Network window ...

Page 36: ...IP protocol is already installed on this computer please proceed to Step 2 C To install TCP IP click Add on the Configuration tab Select Protocol and click Add D Choose Microsoft in the Manufacturers option box and TCP IP in the Network Protocols option box E Click OK to return back to the Network window where you will see TCP IP installed under the The following network components are installed W...

Page 37: ...e the ProxyServer assign this computer an IP address automatically on the IP Address tab select Obtain IP address automatically and press OK Note If you select Obtain IP address automatically this computer will also automatically retrieve it s other TCP IP information from the ProxyServer including Gateway and DNS Configuration Warning As a general rule you should only have one DHCP server working...

Page 38: ...lect Specify an IP address and enter the IP address you want to assign to this computer Also be sure to enter the Subnet Mask of this IP address which is probably 255 255 255 0 On the Gateway tab enter the IP address that you gave the ProxyServer in ProxyServer Wizard and click Add On the DNS Configuration tab enter the DNS Server IP address given to you by your ISP and click Add In the above exam...

Page 39: ...an option field where you can specify how you want to connect the application to the Internet To use the ProxyServer you must set it to connect through your LAN Setting Microsoft Internet Explorer 4 0 On the Internet Explorer View menu click Options Select the Connection tab and select the Access the Internet via a Local Area Connection Click Apply to enable the new setting and click OK to exit Se...

Page 40: ...pping up on your screen when you try and start your Internet applications take TCP IP dial up adapter off your computer If this adapter is installed your computer might sometimes get confused as to whether dial up utilities are needed or not to make a connection If you are using the ProxyServer you don t need dial up utilities since the ProxyServer will dial for you For more information on how to ...

Page 41: ...uter or device Is there anything alive at this IP address You can use the PING command in your DOS prompt You can also type either the IP address or the domain name of the ProxyServer you wish to PING For example both PING 213 0 0 2 and PING www yahoo com will work In the example below we have sent a successful PING to an ProxyServer which has an IP address of 213 0 0 2 So who cares right Actually...

Page 42: ... Unfortunately this utility will not display the MAC address To display the MAC address of a Windows NT computer Click Start Programs Administrative Tools Common NT Diagnostics Select the Network tab On the bottom of the Network tab click Transport The MAC address you want to use will be the one that is under NO in the WAN column Tool D TRACERT Tracert is an extension of the PING utility that lets...

Page 43: ...ter on your network If ping is successful your computer is properly connected to the network Take TCP IP Dial up Adapter off your computer see below for instructions Other computers can connect to the ProxyServer but my computer can t Whenever I click on Internet Explorer or Netscape I still see the Win dows Dial up utility popping up on my screen asking for my phone number and password to dial up...

Page 44: ...onnect to your ISP please use the ProxyServer Monitor which has on line help Please see Chapter 4 ProxyServer Monitor The ProxyServer dials up a connection but can t seem to communi cate with the ISP This is most likely a problem due to the fact that your baudrate setting is too high for your modem or ISDN TA Many times the maximum baud rate that your modem or ISDN TA claims it can achieve is not ...

Page 45: ... date of shipment MTS MAKES NO OTHER WARRANTY EXPRESSED OR IMPLIED AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED This warranty does not apply to any products which have been damaged by lightning storms water or power surges or which have been neglected altered abused used for a purpose other than the one for which they were manufactured re...

Page 46: ...ottom of your ProxyServer Please note the type of external link device that is connected to your ProxyServer before calling tech support Also note the status of your ProxyServer including LED indicators screen messages diagnostic test results DIP Switch settings problems with a specific application etc Use the space below to note the ProxyServer status _____________________________________________...

Page 47: ... the ProxyServer is out of warranty Check with your technical support specialist for the standard repair charge for your ProxyServer if possible note the name of the technical support specialist with whom you spoke If you need to inquire about the status of the returned product be prepared to provide the serial number of the product sent Send your ProxyServer to this address MULTI TECH SYSTEMS INC...

Page 48: ... the BBS asks if your name is spelled correctly If you answer yes a questionnaire appears You must complete the questionnaire to use the BBS on your first call 4 Press ENTER until the Main Menu appears From the Main Menu you have access to two areas the Files Menu and News For help on menu commands type To Download a file If you know the file name 1 From the Main Menu type F to access the Files Me...

Page 49: ... one or more files for download type M press ENTER type the list numbers of the files and press ENTER again 5 Enter D You will see a list of the files you have marked Enter E if you would like to edit the list otherwise enter D again to start the download process 6 Select a file transfer protocol by typing the indicated letter such as Z for Zmodem the recommended protocol 7 If you select Zmodem th...

Page 50: ...ncludes a Web site at http www multitech com and an ftp site at ftp ftp multitech com The ftp server mirrors the Multi Tech BBS About the Multi Tech Fax Back Service Multi Tech s fax back system provides 24 hour access to sales marketing and technical literature Dial 612 717 5888 follow the voice prompts and request document number 10 for a catalog of available documents For convenence have your f...

Page 51: ... is it called dynamic Each time a network client turns on their computer the ProxyServer DHCP server will automatically give them an IP address from the IP address pool configured in the DHCP Server menu of ProxyServer Manager It is called dynamic because the address that they get could be different each time they turn on their computer depending on which addresses have already been assigned DNS D...

Page 52: ...rmanent fixed A dynamic IP address is a temporary IP address that is assigned to you by a server Usually a DHCP server when you turn on your computer A static IP address is a permanent IP address that you can set yourself in your computer When the ProxyServer dials up your ISP your ISP can give it a fixed or dynamic IP address Likewise when you turn on your computer the ProxyServer can give your c...

Page 53: ...er Nothing There s nothing there but the ProxyServer which will not reverse translate unless you have allowed it by using the Virtual Server function LAN External IP Address given by your ISP and valid on the Internet This IP address will be shared by all of your Network clients Internal IP address only valid on your LAN ISP IAS Network Address The network portion of an IP address For a class A ne...

Page 54: ...ver and are thus called ProxyServer Clients Subnet A portion of a network that shares a common address component On TCP IP networks subnets are defined as all devices whose IP Addresses have the same prefix For example all devices with IP addresses that start with 213 0 0 would be part of the same subnet Subnet Mask IP Address Mask Subnet mask is what is used to determine what subnet an IP address...

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