3Com OfficeConnect 3C891A инструкция обслуживания

Part No. 1-024-2301 Published October 1999 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) Int r oduction This r elease note describes the following enhancements made to the O f ficeConnect ISDN LAN Modem as part of the latest firmwa r e r eleases. ■ Enhanced Dial-in Support ■ Callback Featu r e ■ Upgrade Check F[...]

2 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N 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 A L E R T L A N S[...]

Configuring Dial-In 3 Configuring Dial-In There ar e three main steps for configuring dial-in support. 1 Change remote administration passwor d 2 Create dial-in user pr ofile on server or central site 3 Create service pr ovider profile on client or r emote site Before you Begin Before you begin configuration, please note the following: ■ Any[...]

4 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) Configuring the Server LAN Modem Configuring the server LAN Modem for Dial-in support requir es two main steps: ■ Configure global dial-in parameters ■ Create a dial-in user pr ofile for each dial-in connection you requir e Configuring global dial-in parameters D[...]

Configuring the Server LAN Modem 5 2 Click Dial-in Global . Figure 2 Dial-In Global Parameters Scr een 3 In the Channels allocated for Dial-in field, select 1 to limit available dial-in channels to one (the default). Choose 2 to allow either a single-user Multilink PPP dial-in, or to allow two differ ent dial-in users simultaneous access. Note tha[...]

6 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) For example, if you have already designated a r emote LAN Modem as Site A, and you are now setting up a second LAN Modem for LAN-to-LAN connectivity , you would designate this second LAN Modem as Site B. This will differ entiate between the two IP addresses, which by defa[...]

Configuring the Server LAN Modem 7 Figure 3 Dial-In Wizard Pr ofile T ype Selection Page[...]

8 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) 3 Select Single User and then click Next . The Username and Password page appears, as shown in Figure 4. Figure 4 Dial-In WIzar d Passwor d Screen 4 Enter a unique name and password to identify and verify this dial-in user when dialing into this LAN Modem. This will match[...]

Configuring the Client Site 9 5 Click Next. 6 Specify the site name you would like to designate for this dial-in user’ s LAN Modem, A, B or C. Note that this site name must be differ ent from the site name designated in this LAN Modem’ s Dial-In Global Parameters, in order to distinguish between the two networks. The site name specified here w[...]

10 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) Configuring the Client Site for a LAN Modem If a LAN Modem is the device at the client site, you must create a service pr ovider profile on the client LAN Modem in or der to dial into the remote LAN Modem. Y ou then use this service provider to place automatic or manua[...]

Configuring the Client Site for a LAN Modem 11 8 Specify Bandwidth Allocation. 9 Under Private Network Parameters, specify your private network parameters. ■ Private Network IP Address: Enter the IP addr ess of the server LAN Modem. For instance, if the server LAN Modem has been designated as Site A, or is set to its default IP address, enter 192[...]

12 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) 18 In the Default Workstation for Incoming Packets field, specify the workstation to which all unsolicited TCP/UDP packets should be delivered. Note that if the Enable Intelligent NA T field is set to Ye s , the ISDN LAN Modem first attempts to deliver the unsolicited[...]

Understanding the Three Dial-in Scenarios 13 Understanding the Three Dial-in Scenarios Before you can use the Dial-in Wizard to set up the LAN Modem for dial-in access, you should understand the three dial-in scenarios available for each of your ten authorized dial-in users. The scenarios are as follows. ■ Single User Dial-in (terminal adapter or[...]

14 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) Choose Single-User Dial-in when your dial-in user will access a server LAN Modem via a single ISDN terminal adapter , or via a LAN Modem that will share one IP address for all attached workstations. Note that in this scenario, workstations on the server -side cannot acce[...]

Understanding the Three Dial-in Scenarios 15 Once you have chosen a dial-in scenario that best fits your dial-in criteria, you are ready to cr eate a dial-in user profile. Refer to “Cr eate a Dial-In User Pr ofile Using the Dial-In W izard” or “Configuring Dial-in User Parameters” to manually cr eate or further define Dial-in users. Co[...]

16 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) Figure 9 Dial-in Users Parameters Scr een 3 In the Name field, enter a unique name to designate this dial-in user . This value should correspond with the username configured on the client. 4 In the Password field, enter a passwor d to verify access when this user dial[...]

Understanding the Three Dial-in Scenarios 17 6 In the Idle T imer field, enter the length of inactivity befo r e the LAN Modem d r ops the incoming call. By default this value is 900 seconds (15 minutes). 7 In the ISP Selection field, select the service p r ovider that this dial-in user can access when dialing into the LAN Modem. 8 In the Data Co[...]

18 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) 3 Remote CLID Phone Number 2: If you are r equiring CLID authentication and have two phone numbers, enter the second expected telephone number for this dial-in user . W AN Parameters 1 LAN Modem W AN IP: If the local LAN Modem W AN link has a static IP address, enter the[...]

Upgrade Check Feature 19 Upgrade Check Feature The LAN Modem now pr ovides an Upgrade Check feature which will query the LAN Modem’ s Internet homepage for available firmware updates. Note that you must have a service provider with Internet access configured in order to use the Upgrade Check featur e. T o check for new firmware updates, do the[...]

20 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) Figure 10 DNS Configuration T able Enter the domain name and IP address as desir ed, and click Submit to save changes. LAN Modem Desktop Manager (Windows 95/98/NT) The LAN Modem Desktop Manager application for W indows 95/98/NT is available for downloading from the LAN [...]

Miscellaneous Enhancements 21 Miscellaneous Enhancements The latest LAN Modem firmware incorporates the following enhancements, changes, and fixes. ■ Abort Call Functionality ISDN data calls can now be aborted in progr ess via the Manual Call Control page. Access the Manual Call Control page by clicking Manual Calling fr om the LAN Modem main p[...]

22 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U) ■ Block Call Initiation: This option will prevent NetBIOS calls fr om initiating automatic data calls. Note that once a call has been established, choosing this option may prevent a call fr om coming down. The Enable NetBIOS Filtering field is located on the LAN (Ethe[...]

Miscellaneous Enhancements 23 Copyright © 1999, 3Com Corporation. All rights reserved. Unless otherwise indicated, 3Com register ed trademarks are r egistered in the United States and may or may not be register ed in other countries. 3Com, the 3Com logo, and OfficeConnect, ar e register ed trademarks of 3Com Corporation. Windows and W indows NT a[...]

24 O FFICE C ONNECT ISDN LAN M ODEM R ELEASE N OTE V. 6.2.0 (ST) AND 5.3.0 (U)[...]