3Com OfficeConnect 3C891A Скачать руководство пользователя

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FFICE

ONNECT

ISDN LAN M

ODEM

ELEASE

OTE

V. 6.2.0 (ST)

AND

5.3.0 (U)

Single User

Router (such as a LAN Modem) running NAT calls into a LAN Modem.

LAN Modem
Site to Site

LAN Modem to LAN Modem

Advanced

Router other than a LAN Modem calls into a LAN Modem

Dial-In
Wizard
Profile Name Network Scenario

Public telephone

network

N S

ISD

N L

Small office LAN

OfficeConnect

ISDN LAN Modem

ISDN BRI line

Router running NAT

Home office with multiple users

Public telephone

network

Small office LAN

OfficeConnect

ISDN LAN Modem

ISDN BRI line

OfficeConnect

ISDN LAN Modem

Public telephone

network

Small office LAN

Office LAN

OfficeConnect

ISDN LAN Modem

Router (other than

LAN Modem)

ISDN BRI line

More connected

Com

Statu

Reset

1/2

3/4

ces

s S

yst

Pow

I IS

SLOT

Com

Status

Reset

1/2

3/4

LAN

Remote Access System 1500

WAN

Power

BRI ISDN U

SLOT 1

SLOT 2

STACKNET

CONSOLE

SUPER
STACK

Com

Содержание OfficeConnect 3C891A

Страница 1: ...iguration or to check statistics Now Dial in support has been enhanced to extend access to workstations or servers located behind a remote LAN Modem Dial in Applications The following dial in scenarios are supported by the LAN Modem If you would like more detailed descriptions of these scenarios refer to Understanding the Three Dial in Scenarios later in this release note Dial In Wizard Profile Na...

Страница 2: ...N Modem ISDN BRI line Router running NAT Home office with multiple users Public telephone network Small office LAN Small office LAN OfficeConnect ISDN LAN Modem ISDN BRI line OfficeConnect ISDN LAN Modem Public telephone network Small office LAN Office LAN OfficeConnect ISDN LAN Modem Router other than LAN Modem ISDN BRI line More connected 3 Com Status Reset TX D D 1 2 1 2 4 3 1 2 3 4 3 4 RX TX L...

Страница 3: ... not permitted for dial in access Changing the Remote Administration Password Previously when dialing into a LAN Modem to configure it remotely or check statistics you were prompted to enter the password associated with the LAN Modem s configuration parameters Additional security has now been added which requires a unique user name and password for remote access This is referred to as the Remote A...

Страница 4: ...ure global dial in parameters Create a dial in user profile for each dial in connection you require Configuring global dial in parameters Dial in Global parameters allow you to allocate B channel resources and set dial in authentication preferences to be used for all dial in users 1 From the LAN Modem s main configuration page click Dial In Figure 1 LAN Modem Main Configuration Page ...

Страница 5: ... will be used for the dial in call however one B channel will be dropped when outgoing calls are placed from the server LAN Modem Multilink is disabled by default 5 In the Callback Prefix field if a telephone number prefix is required to get an outside line such as a 9 enter that number Otherwise leave this field blank 6 In the LAN to LAN Site Number designate the LAN Modem site for dial in access...

Страница 6: ...e can do any of the three authentication will be successful Note that at least one must be enabled 8 Click Submit to save changes If you chose Site B or Site C as the LAN to LAN Site Number the LAN Modem will re initialize as its IP address is reset The front panel LEDs flash indicating a reset in progress Once the LAN Modem IP address has been changed you can no longer access the LAN Modem until ...

Страница 7: ...Configuring the Server LAN Modem 7 Figure 3 Dial In Wizard Profile Type Selection Page ...

Страница 8: ...user may access when dialing into this LAN Modem To disable remote service provider access for dial in users choose None 7 Click Finish This completes the dial in configuration for single user To continue setting up your LAN Modem for dial in access go on to Configuring the Client Site LAN Modem Site to Site Dial In Wizard Instructions 1 From the LAN Modem main configuration page click Dial in 2 C...

Страница 9: ...in configuration page click Dial in 2 Click Dial in Wizard 3 Select Advanced and then click Next The Username and Password page appears 4 Enter a unique name and password to identify and verify this dial in user when dialing into this LAN Modem 5 Click Next The dial in user parameters page appears For configuration instructions refer to Dial in Users Parameters Screen for more information Configur...

Страница 10: ...back username and password Setting Up a Connection to a Server LAN Modem To set up a connection on a client LAN Modem to dial into a server LAN Modem do the following 1 From the client LAN Modem s main page click the Service Providers icon The Service Provider Selection screen opens 2 Choose New Private Network from the drop down menu and click Select The Private Network Parameters screen opens If...

Страница 11: ...Modem connects to the remote server This allows for the reversing of toll charges for the dial in call Note that if a different number is configured on the server the server callback number takes precedence Callback Username and Password Enter the username and password of the callback user These values are used to verify the server s authenticity to the client These fields should match the login a...

Страница 12: ...ge the IP address of the client LAN Modem in order to distinguish between the two networks This is required because by default the subnet addresses for both LAN Modems are the same 192 168 1 x Note that this change occurs automatically when creating a LAN Modem Site to Site profile via the Dial in Wizard To change the IP address of the LAN Modem which will dial into the server LAN Modem via the Si...

Страница 13: ...er LAN Modem with several attached workstations In this case the client side LAN Modem uses NAT to share the single IP address provided by the server side LAN Modem similar to a typical ISP connection as shown in Figure 6 Note that unlike the LAN Modem Site to Site scenario the Single User scenario does not provide for bidirectional LAN to LAN connectivity While authorized workstations attached to...

Страница 14: ... Modem s subnet address which by default are identical 192 168 1 x Figure 7 LAN Modem Site to Site Dial in In LAN Modem Site to Site Dial in the target LAN Modem provides its WAN IP address as the DNS server to the client LAN Modem This scenario allows users across the connection direct access to all available workstations via domain name or IP address Choose LAN Modem Site to Site when your dial ...

Страница 15: ...al in user parameters or manually create a new Dial in user via the Dial in User Parameters You can create a total of ten dial in user profiles If you have created ten profiles and would like to add a new user you must delete one profile before adding the new one To access Dial in User profiles do the following 1 Click the Dial in Users button The Dial in User Selection screen opens as shown in Fi...

Страница 16: ...nario for which your dial in situation applies Refer to Understanding the Three Dial in Scenarios for more information Choose Single User Dial in if this user will be accessing the LAN Modem from an ISDN terminal adapter or from another LAN Modem on which attached workstations will share a single IP address Choose LAN Modem Site to Site if this user will be dialing in from another LAN Modem which ...

Страница 17: ...lback Multilink Number field enter a second ISDN telephone to be used for either Multilink PPP or as a second number to try if the call cannot be established with the first telephone number 4 In the Callback Authentication field check the box to require callback authentication Note that Callback Authentication is not required for callback functionality but provides a further level of security by c...

Страница 18: ...P address of the LAN Modem which is receiving the dial in call 5 Click Submit Placing a Call to a Server LAN Modem Once you have created a service provider profile on your client LAN Modem refer to Setting Up a Connection to a Server LAN Modem for more information you can place a call in one of two ways You can use the client LAN Modem s Manual Call Control page to manually place a call or you can...

Страница 19: ... download the latest firmware Local DNS Table The LAN Modem now includes a local DNS Table for configuring up to ten static DNS entries allowing the LAN Modem to resolve designated IP addresses locally The Local DNS Table can be used to suppress spurious calls caused by an application on the LAN generating packets which is in turn launching unwanted calls to your service provider For example if an...

Страница 20: ...ograms CD ROM Once installed the application resides in the Windows 95 98 NT Tool Tray The LAN Modem Desktop Manager provides direct access to LAN Modem call functionality without requiring the use of a Web browser No further configuration of the LAN Modem is required The following options are provided by the LAN Modem Desktop Manager Place and hang up calls to service providers Monitor call statu...

Страница 21: ...parameters Real Time Clock synchronization You can now manually synchronize the LAN Modem s internal clock to match the date time of an attached workstation Access the Real Time Clock Synchronization via the Maintenance button located on the Advanced submenu Maintenance Page relocation The LAN Modem Maintenance page has been moved to the Advanced Page submenu Default Workstation for Incoming Packe...

Страница 22: ...calls from initiating automatic data calls Note that once a call has been established choosing this option may prevent a call from coming down The Enable NetBIOS Filtering field is located on the LAN Ethernet Parameters page which may be accessed by clicking on the LAN Modem icon from the LAN Modem s main configuration page ...

Страница 23: ...y not be registered in other countries 3Com the 3Com logo and OfficeConnect are registered trademarks of 3Com Corporation Windows and Windows NT are registered trademarks of Microsoft Macintosh is a registered trademark of Apple Computer Corporation Other brand and product names may be registered trademarks or trademarks of their respective holders Release Note written by Eric Heller ...

Страница 24: ...24 OFFICECONNECT ISDN LAN MODEM RELEASE NOTE V 6 2 0 ST AND 5 3 0 U ...

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