User Guide
Page 4
... Configuring Multiple Hubs 4-3 Quick Config Manager Window Map 4-3 Accessing the Hub 4-6 Giving the Hub an IP Address 4-7 Resetting the Hub 4-11 Initializing the Hub 4-11 Viewing the Hub 4-12 Displaying Information About the Hub 4-13 Setting Up the Alert LED 4-15 Monitoring 4-18 Monitoring Activity and Errors Statistics 4-19 Frame Types Statistics 4-21 Network Traffic Statistics 4-22 Network Errors Statistics 4-23 Configuring a Port 4-25 Hub Security 4-28 Configuring Security at Port Level 4-29 Configuring Security at Hub Level 4-31 Resilience 4-33 Setting Up a Resilient Link Pair 4-34 Using...
... Configuring Multiple Hubs 4-3 Quick Config Manager Window Map 4-3 Accessing the Hub 4-6 Giving the Hub an IP Address 4-7 Resetting the Hub 4-11 Initializing the Hub 4-11 Viewing the Hub 4-12 Displaying Information About the Hub 4-13 Setting Up the Alert LED 4-15 Monitoring 4-18 Monitoring Activity and Errors Statistics 4-19 Frame Types Statistics 4-21 Network Traffic Statistics 4-22 Network Errors Statistics 4-23 Configuring a Port 4-25 Hub Security 4-28 Configuring Security at Port Level 4-29 Configuring Security at Hub Level 4-31 Resilience 4-33 Setting Up a Resilient Link Pair 4-34 Using...
User Guide
Page 15
... of Ethernet cable connected to a port, whether this cable is seen by the hub. On coaxial segments an increase in traffic. You can indicate a problem with a device, particularly if it is used to refer to a piece of collisions can configure a device so that define how a management station can also indicate faulty cabling. A sudden sustained increase in the number of network equipment. Every device has a unique address...
... of Ethernet cable connected to a port, whether this cable is seen by the hub. On coaxial segments an increase in traffic. You can indicate a problem with a device, particularly if it is used to refer to a piece of collisions can configure a device so that define how a management station can also indicate faulty cabling. A sudden sustained increase in the number of network equipment. Every device has a unique address...
User Guide
Page 32
By default, the hub automatically configures its baud rate. The null modem cable must: s Have a 9 pin female 'D' connector for connection to your hub, and the appropriate connector for connection to the hub's console port. You need to use . s Not exceed 15 meters (50 feet). There are a variety of these, see "Remote Management Service" on page A-2. The maximum rate the autoconfiguration function detects is available from your management station...
By default, the hub automatically configures its baud rate. The null modem cable must: s Have a 9 pin female 'D' connector for connection to your hub, and the appropriate connector for connection to the hub's console port. You need to use . s Not exceed 15 meters (50 feet). There are a variety of these, see "Remote Management Service" on page A-2. The maximum rate the autoconfiguration function detects is available from your management station...
User Guide
Page 39
Configuring Multiple Hubs There is particularly useful if you have the same baud rate (or are set to close and reopen Quick Config Manager. Quick Config Manager closes any windows that describes the window. This diagram also appears on the Quick Reference Guide. You can change this : 1 Make your serial connection to COM2. Quick Config Manager Window Map Figure 4-1 (over a serial link from your management station to a new OfficeConnect® Hub 8/TPM without needing to Auto Config) as the default serial port. The number at the top...
Configuring Multiple Hubs There is particularly useful if you have the same baud rate (or are set to close and reopen Quick Config Manager. Quick Config Manager closes any windows that describes the window. This diagram also appears on the Quick Reference Guide. You can change this : 1 Make your serial connection to COM2. Quick Config Manager Window Map Figure 4-1 (over a serial link from your management station to a new OfficeConnect® Hub 8/TPM without needing to Auto Config) as the default serial port. The number at the top...
User Guide
Page 53
... light). WorkGroup Monitor Failure Enabled / Disabled Allows you to specify whether the Alert LED lights if a port security violation occurs, which happens if a remote device fails to respond to a workgroup monitor poll from your hub. Login Violation Enabled / Disabled Allows you to specify whether the Alert LED lights if an authentication failure occurs, which happens if a user attempts to log on your hub using an invalid community string. Authentication Failure Enabled / Disabled...
... light). WorkGroup Monitor Failure Enabled / Disabled Allows you to specify whether the Alert LED lights if a port security violation occurs, which happens if a remote device fails to respond to a workgroup monitor poll from your hub. Login Violation Enabled / Disabled Allows you to specify whether the Alert LED lights if an authentication failure occurs, which happens if a user attempts to log on your hub using an invalid community string. Authentication Failure Enabled / Disabled...
User Guide
Page 61
... MAC address (hardware address) of frames whose timing was detected after the valid packet minimum time. For each port you can occur if you disable any cabling which may indicate a non-compliant device on your network. Enabling a port allows it . 16710.bk : MANAGING.FRM Page 25 Tuesday, October 7, 1997 11:38 AM Configuring a Port 4-25 Check the cable routing and reroute any unused ports to prevent unauthorized use. Late Events Shows the number...
... MAC address (hardware address) of frames whose timing was detected after the valid packet minimum time. For each port you can occur if you disable any cabling which may indicate a non-compliant device on your network. Enabling a port allows it . 16710.bk : MANAGING.FRM Page 25 Tuesday, October 7, 1997 11:38 AM Configuring a Port 4-25 Check the cable routing and reroute any unused ports to prevent unauthorized use. Late Events Shows the number...
User Guide
Page 70
... link has failed and the standby link should take over coaxial media (10BASE-2), so you cannot set up resilient links using the hub's 10BASE-2 (Coax) port. s Each link must not belong to more than one standby link. When your network is in the pair are connected to. 16710.bk : MANAGING.FRM Page 34 Tuesday, October 7, 1997 11:38 AM 4-34 CHAPTER 4: MANAGING YOUR HUB USING QUICK CONFIG MANAGER Resilient Links...
... link has failed and the standby link should take over coaxial media (10BASE-2), so you cannot set up resilient links using the hub's 10BASE-2 (Coax) port. s Each link must not belong to more than one standby link. When your network is in the pair are connected to. 16710.bk : MANAGING.FRM Page 34 Tuesday, October 7, 1997 11:38 AM 4-34 CHAPTER 4: MANAGING YOUR HUB USING QUICK CONFIG MANAGER Resilient Links...
User Guide
Page 82
... default, the hub automatically configures the baud rate of its console port to operate with the connected terminal or modem, provided the parity, stop bits and character size are using a VT100 terminal connected (directly or through modems) to the console port, you are identical to perform the wake-up procedure is successfully completed, the main banner is performed automatically. If you need to the connected terminal...
... default, the hub automatically configures the baud rate of its console port to operate with the connected terminal or modem, provided the parity, stop bits and character size are using a VT100 terminal connected (directly or through modems) to the console port, you are identical to perform the wake-up procedure is successfully completed, the main banner is performed automatically. If you need to the connected terminal...
User Guide
Page 83
... speed is disabled. If you cannot resolve the problem, refer to obtain the banner screen, it may be that the hub's console port uses. Figure 5-3 Logon Screen The console port's autoconfigure option only operates if your user name and password in the Logon screen, as shown in Figure 5-3, before you cannot see "Connecting a Modem to operate with the same parameters that : s Your terminal is set...
... speed is disabled. If you cannot resolve the problem, refer to obtain the banner screen, it may be that the hub's console port uses. Figure 5-3 Logon Screen The console port's autoconfigure option only operates if your user name and password in the Logon screen, as shown in Figure 5-3, before you cannot see "Connecting a Modem to operate with the same parameters that : s Your terminal is set...
User Guide
Page 84
... access but cannot add or delete users, download software or initialize the hub. Manager - The system manager needs to use one of the default users, your user name and password in the following table. If you are not logging on as 'manager' and 'monitor' to change the passwords for the first time (after installation or initialization), use depends on page 5-18. You can change the operational parameters of the hub but not change all manageable parameters. The user...
... access but cannot add or delete users, download software or initialize the hub. Manager - The system manager needs to use one of the default users, your user name and password in the following table. If you are not logging on as 'manager' and 'monitor' to change the passwords for the first time (after installation or initialization), use depends on page 5-18. You can change the operational parameters of the hub but not change all manageable parameters. The user...
User Guide
Page 86
.... Figure 5-5 Management Setup Screen MAC Address The MAC address of IP, refer to Appendix B for the hub. Device IP Address If using IP, enter a suitable subnet mask. If you change the device IP address, you to set up traps and console port parameters. This cannot be changed. Device SubNet Mask If using IP, you need to enter a unique IP address for you must reset the hub to effect the change . Default Router If...
.... Figure 5-5 Management Setup Screen MAC Address The MAC address of IP, refer to Appendix B for the hub. Device IP Address If using IP, enter a suitable subnet mask. If you change the device IP address, you to set up traps and console port parameters. This cannot be changed. Device SubNet Mask If using IP, you need to enter a unique IP address for you must reset the hub to effect the change . Default Router If...
User Guide
Page 87
...-of the network. If you to download the IP address, the SubNet Mask, and the Router IP address from a BOOTP server on page 5-13. For a class C address, 255.255.255.0 (the default setting) is the address Quick Config Manager uses. Configuring and Viewing Setup Information 5-11 BOOTP Select Enabled / Disabled When enabled, BOOTP allows you change this field, reset the hub to effect the change. It continues sending requests for the data. The default is 192...
...-of the network. If you to download the IP address, the SubNet Mask, and the Router IP address from a BOOTP server on page 5-13. For a class C address, 255.255.255.0 (the default setting) is the address Quick Config Manager uses. Configuring and Viewing Setup Information 5-11 BOOTP Select Enabled / Disabled When enabled, BOOTP allows you change this field, reset the hub to effect the change. It continues sending requests for the data. The default is 192...
User Guide
Page 91
The hub can automatically configure the terminal speed to work with monitor access level is enabled or disabled. Note that corresponds with security access level. For example, the top left field shows whether console port access by users with your terminal or modem. CTS Bidirectional / RTS - Speed Auto-Config / 1200 / 2400 / 4800 / 9600 / 19200 Select the baud rate for preventing various types of access method (console port, Telnet or SNMP) and access level. To start automatic configuration, the wake...
The hub can automatically configure the terminal speed to work with monitor access level is enabled or disabled. Note that corresponds with security access level. For example, the top left field shows whether console port access by users with your terminal or modem. CTS Bidirectional / RTS - Speed Auto-Config / 1200 / 2400 / 4800 / 9600 / 19200 Select the baud rate for preventing various types of access method (console port, Telnet or SNMP) and access level. To start automatic configuration, the wake...
User Guide
Page 92
... the hub completely, console port access is important or secret data on your network, we suggest that you to the management facilities through SNMP using a remote network manager. This allows the user to view the essential operations of the hub and to monitor and change the operating parameters of problems on page 5-18. You may wish to disable all the management operations. The user cannot create or delete other users, re-initialize the hub or download a software...
... the hub completely, console port access is important or secret data on your network, we suggest that you to the management facilities through SNMP using a remote network manager. This allows the user to view the essential operations of the hub and to monitor and change the operating parameters of problems on page 5-18. You may wish to disable all the management operations. The user cannot create or delete other users, re-initialize the hub or download a software...
User Guide
Page 93
... AM Configuring Users Creating Users The Create User screen, as the User Name. There can be unique. Configuring Users 5-17 User Name Enter the name of up to 32 characters. Password Enter a password for SNMP access. Up to three users can be up to 10 characters. You can be configured to add new users. There is used only for this string to the number of SNMP remote management sessions. Community String By default, the...
... AM Configuring Users Creating Users The Create User screen, as the User Name. There can be unique. Configuring Users 5-17 User Name Enter the name of up to 32 characters. Password Enter a password for SNMP access. Up to three users can be up to 10 characters. You can be configured to add new users. There is used only for this string to the number of SNMP remote management sessions. Community String By default, the...
User Guide
Page 100
... dialog box. Check your connections and remove the loop. With 10BASE-2 (Coax) it is connected to light, see "Setting Up the Alert LED" on and operating correctly. Check that there is either continual excessive use any other power adapter with another OfficeConnect power adapter. Link between two OfficeConnect hubs not working. Port Status LED not lit for a 10BASE-T port that the equipment it is likely a terminator (end piece) is not, select Disable and click...
... dialog box. Check your connections and remove the loop. With 10BASE-2 (Coax) it is connected to light, see "Setting Up the Alert LED" on and operating correctly. Check that there is either continual excessive use any other power adapter with another OfficeConnect power adapter. Link between two OfficeConnect hubs not working. Port Status LED not lit for a 10BASE-T port that the equipment it is likely a terminator (end piece) is not, select Disable and click...
User Guide
Page 101
... hub's console port set to 9600 baud (or autoconfiguration enabled), the serial connection type set to 'Terminal', and the flow control set to 19200 baud. For console port access, check you still cannot access the hub, reset the hub using VT100, and use a standard null modem cable, and have performed the wake-up procedure. Log in to the hub using Quick Config Manager, see "Connecting a Modem to 'NONE'. 16710.bk : PROBSOLV.FRM Page 3 Tuesday, October 7, 1997 11:38 AM Problems When Using Quick Config Manager 6-3 Problems When Using Quick Config Manager...
... hub's console port set to 9600 baud (or autoconfiguration enabled), the serial connection type set to 'Terminal', and the flow control set to 19200 baud. For console port access, check you still cannot access the hub, reset the hub using VT100, and use a standard null modem cable, and have performed the wake-up procedure. Log in to the hub using Quick Config Manager, see "Connecting a Modem to 'NONE'. 16710.bk : PROBSOLV.FRM Page 3 Tuesday, October 7, 1997 11:38 AM Problems When Using Quick Config Manager 6-3 Problems When Using Quick Config Manager...
User Guide
Page 102
... log in using Quick Config Manager and initialize the device, see "Initializing the Hub" on page 4-11. 16710.bk : PROBSOLV.FRM Page 4 Tuesday, October 7, 1997 11:38 AM 6-4 CHAPTER 6: PROBLEM SOLVING Check the settings on your community string, you can log in using VT100, delete your password. You forget your user name, and create a new user name, with speeds from 1200 to the default values. The Telnet management station cannot access...
... log in using Quick Config Manager and initialize the device, see "Initializing the Hub" on page 4-11. 16710.bk : PROBSOLV.FRM Page 4 Tuesday, October 7, 1997 11:38 AM 6-4 CHAPTER 6: PROBLEM SOLVING Check the settings on your community string, you can log in using VT100, delete your password. You forget your user name, and create a new user name, with speeds from 1200 to the default values. The Telnet management station cannot access...
User Guide
Page 115
...® online service World Wide Web Site Access the latest networking information on 3Com Corporation's World Wide Web site by modem, set your Internet browser: http://www.3Com.com/ This service features the latest information about 3Com solutions and technologies, customer service and support, news about the company, NetAge® Magazine, and more. 3Com Bulletin Board Service 3ComBBS contains patches, software, and drivers for all 3Com products, as...
...® online service World Wide Web Site Access the latest networking information on 3Com Corporation's World Wide Web site by modem, set your Internet browser: http://www.3Com.com/ This service features the latest information about 3Com solutions and technologies, customer service and support, news about the company, NetAge® Magazine, and more. 3Com Bulletin Board Service 3ComBBS contains patches, software, and drivers for all 3Com products, as...
User Guide
Page 122
...hubs together 2-8 using 10BASE-2 (Coax) 2-9 using 10BASE-T 2-10 connections checking 2-11 hub 2-5 workstation 2-4 console port 3-4, 5-13, A-3 autoconfiguration 5-15 changing the management station's port 4-3 enabling/disabling access 5-16 management 3-4 terminal emulator, connecting 3-5 VT100 terminal connecting 3-5 Console Port Setup screen 5-13 contact 4-9 contract ID 4-9 control keys 5-3 conventions 2 Create User screen 5-17 creating resilient links 4-35 crossover 4-35, A-2 D data link protocol 5-12 default COM port 4-3 passwords 5-8 router 5-10 users 5-8 values, note 4-1, 5-1 Delete Users...
...hubs together 2-8 using 10BASE-2 (Coax) 2-9 using 10BASE-T 2-10 connections checking 2-11 hub 2-5 workstation 2-4 console port 3-4, 5-13, A-3 autoconfiguration 5-15 changing the management station's port 4-3 enabling/disabling access 5-16 management 3-4 terminal emulator, connecting 3-5 VT100 terminal connecting 3-5 Console Port Setup screen 5-13 contact 4-9 contract ID 4-9 control keys 5-3 conventions 2 Create User screen 5-17 creating resilient links 4-35 crossover 4-35, A-2 D data link protocol 5-12 default COM port 4-3 passwords 5-8 router 5-10 users 5-8 values, note 4-1, 5-1 Delete Users...