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... Control, AutoMDI(X), Data Rate Control) Restoring Default Values 55 Finding Computers Connected to IntelliJacks 59 Upgrading the NJ220 Firmware 60 Viewing Log Files 63 Viewing and Canceling Scheduled Firmware Upgrades 64 TROUBLESHOOTING THE NJ220 Troubleshooting Matrix 65 TECHNICAL SUPPORT Where To Go For Help 67 Contact Us 68 PRODUCT SPECIFICATIONS WARRANTY AND REGULATORY INFORMATION
... Control, AutoMDI(X), Data Rate Control) Restoring Default Values 55 Finding Computers Connected to IntelliJacks 59 Upgrading the NJ220 Firmware 60 Viewing Log Files 63 Viewing and Canceling Scheduled Firmware Upgrades 64 TROUBLESHOOTING THE NJ220 Troubleshooting Matrix 65 TECHNICAL SUPPORT Where To Go For Help 67 Contact Us 68 PRODUCT SPECIFICATIONS WARRANTY AND REGULATORY INFORMATION
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...completed, click the Finish button to slightly alter this process if your network. The program group folder is Apache Tomcat, Version 4.1. NJ220 IntelliJacks are available at no charge from any Web-enabled computer on the Desktop--one for the Local Configuration Manager and one for the ... is labeled 3Com IntelliJack and can be found under the Programs menu. You can access from the Start menu. In order to enable the Web Configuration Manager you can also launch the programs from a program group you will create two shortcut icons on your specific environment is ...
...completed, click the Finish button to slightly alter this process if your network. The program group folder is Apache Tomcat, Version 4.1. NJ220 IntelliJacks are available at no charge from any Web-enabled computer on the Desktop--one for the Local Configuration Manager and one for the ... is labeled 3Com IntelliJack and can be found under the Programs menu. You can access from the Start menu. In order to enable the Web Configuration Manager you can also launch the programs from a program group you will create two shortcut icons on your specific environment is ...
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...the discovery process will return the following box will open another database file, select the Open Database or Save Database As option from the NJ220 IntelliJacks on your current database with its own list of devices. For example, you may want a separate database for each with the new ... and complete the From and To fields. 4 If the box next to the default database. Discovering NJ220 Devices on Your Network 31 3 You can discover new devices based on a specific subnet or on a specific range of the devices in your network: • IP address • MAC address • Subnet...
...the discovery process will return the following box will open another database file, select the Open Database or Save Database As option from the NJ220 IntelliJacks on your current database with its own list of devices. For example, you may want a separate database for each with the new ... and complete the From and To fields. 4 If the box next to the default database. Discovering NJ220 Devices on Your Network 31 3 You can discover new devices based on a specific subnet or on a specific range of the devices in your network: • IP address • MAC address • Subnet...
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...NJ220 IntelliJack lets you can refresh the list, add MAC addresses to it is related to it. This last operation is referred as MAC address filtering and you manage its ATU table. Finally, you have "locked down a MAC address so that you may want to lock down " to a specific IntelliJack.... The Address Translation Unit (ATU) performs MAC address searching, learning, and aging functions for each entry. You may want to the NJ220's ATU table. All of these configurations are handled through the Properties...
...NJ220 IntelliJack lets you can refresh the list, add MAC addresses to it is related to it. This last operation is referred as MAC address filtering and you manage its ATU table. Finally, you have "locked down a MAC address so that you may want to lock down " to a specific IntelliJack.... The Address Translation Unit (ATU) performs MAC address searching, learning, and aging functions for each entry. You may want to the NJ220's ATU table. All of these configurations are handled through the Properties...
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... a VLAN ID (VID), whether packets are tagged or untagged and whether the ports are handled through the Properties page, since a VLAN table is related to a specific IntelliJack. You can edit existing VLAN settings, tagging schemes and port associations by clicking the Edit button. You may want to know which have been configured... VLAN Table button. You can refresh the list of these configurations are associated with one another. 38 CHAPTER 4: USING THE CENTRAL CONFIGURATION MANAGER 10 The NJ220 IntelliJack also lets you to display all the VIDs that...
... a VLAN ID (VID), whether packets are tagged or untagged and whether the ports are handled through the Properties page, since a VLAN table is related to a specific IntelliJack. You can edit existing VLAN settings, tagging schemes and port associations by clicking the Edit button. You may want to know which have been configured... VLAN Table button. You can refresh the list of these configurations are associated with one another. 38 CHAPTER 4: USING THE CENTRAL CONFIGURATION MANAGER 10 The NJ220 IntelliJack also lets you to display all the VIDs that...
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... the information and click OK. 19 Click Exit to save any changes you are running the Central Configuration Manager on the CCMs of specific events happening with the IntelliJack. If you make, and a configuration summary dialog box will be active for the last CCM that discovered the device. Each level above 0 provides...
... the information and click OK. 19 Click Exit to save any changes you are running the Central Configuration Manager on the CCMs of specific events happening with the IntelliJack. If you make, and a configuration summary dialog box will be active for the last CCM that discovered the device. Each level above 0 provides...
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...the Calendar function, you do not know the configuration (speed/duplex) of the attached NIC. 9 The next two settings apply not to a specific port, but to match the speed and duplex of all network interface cards (NICs) use area such as a whole. This is installed. ...configures a networked device based on the speed and duplex of the upstream device it may want to Blocking (Disable) when you save an IntelliJack configuration profile. 44 CHAPTER 4: USING THE CENTRAL CONFIGURATION MANAGER This window has five tabs across the top--General Configuration, Priority & VLAN Configuration...
...the Calendar function, you do not know the configuration (speed/duplex) of the attached NIC. 9 The next two settings apply not to a specific port, but to match the speed and duplex of all network interface cards (NICs) use area such as a whole. This is installed. ...configures a networked device based on the speed and duplex of the upstream device it may want to Blocking (Disable) when you save an IntelliJack configuration profile. 44 CHAPTER 4: USING THE CENTRAL CONFIGURATION MANAGER This window has five tabs across the top--General Configuration, Priority & VLAN Configuration...
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...configuration tasks unless you set the security options of the NJ220 IntelliJack. Changing Device Configuration 49 Security Configuration 21 Select the Security Configuration tab to set . Typical 802.1X implementations in an Ethernet switch usually include the authenticator as well as The default ...setting for Port Authorize Mode is Disable 802.1X. 802.1X is "password"), and either enable or disable local configuration. NOTE: You should change the device password (the default password is a standard for a specific...
...configuration tasks unless you set the security options of the NJ220 IntelliJack. Changing Device Configuration 49 Security Configuration 21 Select the Security Configuration tab to set . Typical 802.1X implementations in an Ethernet switch usually include the authenticator as well as The default ...setting for Port Authorize Mode is Disable 802.1X. 802.1X is "password"), and either enable or disable local configuration. NOTE: You should change the device password (the default password is a standard for a specific...
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... applies. In this port will block all packets entering the port are allowed to the NJ220. Therefore, packets sent from the phone can select the MAC address filter option if ...is authorized, the port it connects to a port with IP Phone is required at specific intervals. The IntelliJack disables reauthentication by default without authentication. 24 When 802.1X security is applied, authentication ...the correct MAC address specified in the ATU and allow its ATU to the switch. In this mode, when a 3Com IP phone is enabled. 50 CHAPTER 4: USING THE CENTRAL CONFIGURATION MANAGER RADIUS ...
... applies. In this port will block all packets entering the port are allowed to the NJ220. Therefore, packets sent from the phone can select the MAC address filter option if ...is authorized, the port it connects to a port with IP Phone is required at specific intervals. The IntelliJack disables reauthentication by default without authentication. 24 When 802.1X security is applied, authentication ...the correct MAC address specified in the ATU and allow its ATU to the switch. In this mode, when a 3Com IP phone is enabled. 50 CHAPTER 4: USING THE CENTRAL CONFIGURATION MANAGER RADIUS ...
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... Information Database (MIB) browser. 32 Set the Trap Community String in the SNMP transmission. • Vendor Specific Traps indicate 802.1X User Login, 802.1X User Logout, and 802.1X Login Failure when the IntelliJack is configured for this window: Event Alert Levels 34 At the top of this window is "disable... creates an additional workload. Changing Device Configuration 53 • An Auth Fail Trap indicates a wrong Community name in the final field of this window. The NJ220 can Set Trap Destination by entering the IP address of your SNMP management console.
... Information Database (MIB) browser. 32 Set the Trap Community String in the SNMP transmission. • Vendor Specific Traps indicate 802.1X User Login, 802.1X User Logout, and 802.1X Login Failure when the IntelliJack is configured for this window: Event Alert Levels 34 At the top of this window is "disable... creates an additional workload. Changing Device Configuration 53 • An Auth Fail Trap indicates a wrong Community name in the final field of this window. The NJ220 can Set Trap Destination by entering the IP address of your SNMP management console.
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The Flow Control sends a message to the upstream switch the IntelliJack is connected to, telling it to pass through cables... Setting Flow Control to configure AutoMDI[X]. This will slow down or block particular types of specific events happening with the IntelliJack. If you use cross-over cables). 54 CHAPTER 4: USING THE CENTRAL CONFIGURATION MANAGER You... that the patch cords between the device and the PAN port of how quickly it is processed by the IntelliJack. Each level above 0 provides different types of event alerts as described below: Alert Level Level 0: Disable ...
The Flow Control sends a message to the upstream switch the IntelliJack is connected to, telling it to pass through cables... Setting Flow Control to configure AutoMDI[X]. This will slow down or block particular types of specific events happening with the IntelliJack. If you use cross-over cables). 54 CHAPTER 4: USING THE CENTRAL CONFIGURATION MANAGER You... that the patch cords between the device and the PAN port of how quickly it is processed by the IntelliJack. Each level above 0 provides different types of event alerts as described below: Alert Level Level 0: Disable ...
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You can either send the update file immediately or select a specific time and date to perform the upgrade. If you want to upgrade. You may, for example, want to perform an upgrade during off hours such as a weekend. 6 Click Next and a window like this will appear: 7 Review the list of IntelliJacks you want to modify this list, click Cancel and restart the firmware upgrade procedure. Upgrading the NJ220 Firmware 61 5 Select the time to send the file.
You can either send the update file immediately or select a specific time and date to perform the upgrade. If you want to upgrade. You may, for example, want to perform an upgrade during off hours such as a weekend. 6 Click Next and a window like this will appear: 7 Review the list of IntelliJacks you want to modify this list, click Cancel and restart the firmware upgrade procedure. Upgrading the NJ220 Firmware 61 5 Select the time to send the file.
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... If the Link LED is not on ). I Make sure the IntelliJack is connected to proper length and cabling specifications for terminating the cable. I Make sure network cable is properly terminated. I Make sure the upstream switch is configured and active I The local power supply is plugged into ...the IntelliJack and into it should be on , make sure that: I If using power over Ethernet, make sure that supports Power Over Ethernet. I Has a valid connection to the connector manufacturer's instructions for your network does not support Power Over Ethernet. A Troubleshooting the NJ220 ...
... If the Link LED is not on ). I Make sure the IntelliJack is connected to proper length and cabling specifications for terminating the cable. I Make sure network cable is properly terminated. I Make sure the upstream switch is configured and active I The local power supply is plugged into ...the IntelliJack and into it should be on , make sure that: I If using power over Ethernet, make sure that supports Power Over Ethernet. I Has a valid connection to the connector manufacturer's instructions for your network does not support Power Over Ethernet. A Troubleshooting the NJ220 ...
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C Product Specifications Hardware Power consumption Network Interface 10 Mbps Ethernet 10BASE-T 100 Mbps Ethernet 100BASE-TX Performance Auto-negotiation
C Product Specifications Hardware Power consumption Network Interface 10 Mbps Ethernet 10BASE-T 100 Mbps Ethernet 100BASE-TX Performance Auto-negotiation
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... Over Ethernet Compatible with IEEE 802.3af and Capacitive Power Discovery Process Local power supply Required for bridge with VoIP standard. 72 Product Specifications MIB Support MIB II (RFC 1213) Bridge MIB (RFC 1493) Ether-like MIB (RFC 1643) MIB for MAUs (RFC 2668... Compatible with extensions (RFC 2674) 802.1x MIBs RADIUS Authentication Client MIB (RFC 2618) RADIUS Accounting Client MIB (RFC 2620) 3Com Proprietary MIBs Backup & Restore MIB RADIUS Client MIB Standard Traps Link Up Link Down Cold Start Authentication Failure Proprietary Traps SecureLogon SecureLogoff ...
... Over Ethernet Compatible with IEEE 802.3af and Capacitive Power Discovery Process Local power supply Required for bridge with VoIP standard. 72 Product Specifications MIB Support MIB II (RFC 1213) Bridge MIB (RFC 1493) Ether-like MIB (RFC 1643) MIB for MAUs (RFC 2668... Compatible with extensions (RFC 2674) 802.1x MIBs RADIUS Authentication Client MIB (RFC 2618) RADIUS Accounting Client MIB (RFC 2620) 3Com Proprietary MIBs Backup & Restore MIB RADIUS Client MIB Standard Traps Link Up Link Down Cold Start Authentication Failure Proprietary Traps SecureLogon SecureLogoff ...
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... than 512 bittimes into the transmission of frames not transmitted because the frame experienced 16 transmission attempts and was not in the Excessive counter. Product Specifications InDiscards InFiltered OutUnicasts OutBroadcasts OutPause OutMulticasts OutFCSErr OutGoodOctets Out64Octets Out127Octets Out255Octets Out511Octets Out1023Octets OutMaxOctets Collisions Late Excessive Multiple Total valid frames received that are discarded...
... than 512 bittimes into the transmission of frames not transmitted because the frame experienced 16 transmission attempts and was not in the Excessive counter. Product Specifications InDiscards InFiltered OutUnicasts OutBroadcasts OutPause OutMulticasts OutFCSErr OutGoodOctets Out64Octets Out127Octets Out255Octets Out511Octets Out1023Octets OutMaxOctets Collisions Late Excessive Multiple Total valid frames received that are discarded...