User Guide
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... Web Interface 23 Menu 23 Buttons 25 Accessing the Interface Without Using Discovery 26 DHCP Assigned IP Address 26 Manually Assigned (Static) IP Address 26 4 CONFIGURING THE SWITCH Configuration Overview 27 Device Summary Information 27 Administration Settings 29 Modifying the IP Address Settings 29 Automatic IP...
... Web Interface 23 Menu 23 Buttons 25 Accessing the Interface Without Using Discovery 26 DHCP Assigned IP Address 26 Manually Assigned (Static) IP Address 26 4 CONFIGURING THE SWITCH Configuration Overview 27 Device Summary Information 27 Administration Settings 29 Modifying the IP Address Settings 29 Automatic IP...
User Guide
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... 31 Initialize 31 Reboot 32 System Access 32 System Time 34 SNMP 34 Configuring VLANs 35 VLAN 36 Forwarding Tagged/Untagged Frames 39 Sample VLAN Configurations 40 Spanning Tree 41 IGMP Snooping 42 IGMP Query 42 Broadcast Storm 43 Configuring Port Settings 43 Administration 43 Speed/Duplex for 1000 Mbps Connections 45 Link...
... 31 Initialize 31 Reboot 32 System Access 32 System Time 34 SNMP 34 Configuring VLANs 35 VLAN 36 Forwarding Tagged/Untagged Frames 39 Sample VLAN Configurations 40 Spanning Tree 41 IGMP Snooping 42 IGMP Query 42 Broadcast Storm 43 Configuring Port Settings 43 Administration 43 Speed/Duplex for 1000 Mbps Connections 45 Link...
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If release notes are shipped with your Switch and perform initial management configurations. Consequently, it appears on the 3Com World Wide Web site: http://www.3com.com Conventions Table 1 and Table 2 list conventions that alerts you see the word "enter" in this guide, follow the instructions in the release notes. sie ...
If release notes are shipped with your Switch and perform initial management configurations. Consequently, it appears on the 3Com World Wide Web site: http://www.3com.com Conventions Table 1 and Table 2 list conventions that alerts you see the word "enter" in this guide, follow the instructions in the release notes. sie ...
User Guide
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... the high-speed performance of the Baseline Switch 2250 Plus The 3Com® Baseline Switch 2250 Plus is necessary, unless you get to configure advanced features such as VLAN support and link aggregation. No configuration is a versatile, easy-to fiber-based Gigabit media. While ...only a maximum of the device. This allows you to connect network devices to another switch port, server, or workstation without additional configuration. Autosensing of Gigabit links but do not need sophisticated management capabilities. The 1000BASE-T ports also support automatic 10/100/1000 Mbps ...
... the high-speed performance of the Baseline Switch 2250 Plus The 3Com® Baseline Switch 2250 Plus is necessary, unless you get to configure advanced features such as VLAN support and link aggregation. No configuration is a versatile, easy-to fiber-based Gigabit media. While ...only a maximum of the device. This allows you to connect network devices to another switch port, server, or workstation without additional configuration. Autosensing of Gigabit links but do not need sophisticated management capabilities. The 1000BASE-T ports also support automatic 10/100/1000 Mbps ...
User Guide
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... broadcast storms. A spanning tree uses the spanning tree algorithm to comply with 802.1p, VLAN tagged frames. If your network is configured to detect Traffic prioritization uses the multiple traffic queues that support the spanning tree protocol communicate with each other using bridge protocol data unit...ports support fiber Gigabit Ethernet short-wave (SX) and long-wave (LX) SFP transceivers in the following table. This offers you can configure 3Com Baseline Switch 2250 Plus to forward or to block and discard bridge protocol data unit (BPDU) packets to see if they have been...
... broadcast storms. A spanning tree uses the spanning tree algorithm to comply with 802.1p, VLAN tagged frames. If your network is configured to detect Traffic prioritization uses the multiple traffic queues that support the spanning tree protocol communicate with each other using bridge protocol data unit...ports support fiber Gigabit Ethernet short-wave (SX) and long-wave (LX) SFP transceivers in the following table. This offers you can configure 3Com Baseline Switch 2250 Plus to forward or to block and discard bridge protocol data unit (BPDU) packets to see if they have been...
User Guide
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...ützte oder ungeschützte Buchsen dürfen an diese Datensteckdosen angeschlossen werden. The numbers in "Front Panel" on page 9 and "Rear Panel" on configuring BPDU forwarding and blocking, refer to determine the best available path and block less optimal paths. Their speed and duplex mode The Switch has 48...
...ützte oder ungeschützte Buchsen dürfen an diese Datensteckdosen angeschlossen werden. The numbers in "Front Panel" on page 9 and "Rear Panel" on configuring BPDU forwarding and blocking, refer to determine the best available path and block less optimal paths. Their speed and duplex mode The Switch has 48...
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...and that you ensure that autonegotiation is enabled, if it has priority over the 10/100/1000 port of the same number is a configurable option). (see "Troubleshooting" on page 59). (2) 10/100/1000BASE-T/SFP Ports Ports 49 and 50 are being received or transmitted on ...operation, so you the flexibility of network performance. 3Com recommends that you use straight-through or crossover cables for all network connections to workstations or servers, or to create a high-capacity aggregated link backbone connection. In such a configuration, you may notice some degradation of using SFP ...
...and that you ensure that autonegotiation is enabled, if it has priority over the 10/100/1000 port of the same number is a configurable option). (see "Troubleshooting" on page 59). (2) 10/100/1000BASE-T/SFP Ports Ports 49 and 50 are being received or transmitted on ...operation, so you the flexibility of network performance. 3Com recommends that you use straight-through or crossover cables for all network connections to workstations or servers, or to create a high-capacity aggregated link backbone connection. In such a configuration, you may notice some degradation of using SFP ...
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...has a Web browser Running the Discovery Application The 3Com Baseline Switch 2250 Plus CD-ROM contains, among others, the Discovery application. To use to set the admin password, change the IP address that is assigned to the Switch, and configure its CD drive. If it does not start automatically...connect to the Web interface, do not need the following: ■ The Discovery application, which is included on 3Com Baseline Switch 2250 Plus CD-ROM that is supplied with options to configure, modify, and upgrade the Switch. 3 CONNECTING TO THE WEB INTERFACE The Switch has a built-in Web ...
...has a Web browser Running the Discovery Application The 3Com Baseline Switch 2250 Plus CD-ROM contains, among others, the Discovery application. To use to set the admin password, change the IP address that is assigned to the Switch, and configure its CD drive. If it does not start automatically...connect to the Web interface, do not need the following: ■ The Discovery application, which is included on 3Com Baseline Switch 2250 Plus CD-ROM that is supplied with options to configure, modify, and upgrade the Switch. 3 CONNECTING TO THE WEB INTERFACE The Switch has a built-in Web ...
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... administration user name and password to gain access to choose from. Figure 8 Switch Screen Layout Sub-Menu Tabs To log on to easily perform advanced configuration tasks and view information about the Switch. Figure 7 Logon Dialog Box Navigating the Web Interface The Web interface has been designed to enable you click...
... administration user name and password to gain access to choose from. Figure 8 Switch Screen Layout Sub-Menu Tabs To log on to easily perform advanced configuration tasks and view information about the Switch. Figure 7 Logon Dialog Box Navigating the Web Interface The Web interface has been designed to enable you click...
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... menu. System Time Allows you to set the system time. Backup Configuration Allows you to backup the Switch's configuration. Configures the ports. Contains tabs that allow you to setup, modify, or view the IP configuration parameters. Allows you to : ■ Create a VLAN. ■.... ■ Modify existing users. ■ Remove existing users. System Access Contains tabs that allow you to enable or disable rate limiting. Configures the device. Allows you to : ■ Display SNMP summary information. ■ Enable or disable SNMP. ■ Add community strings....
... menu. System Time Allows you to set the system time. Backup Configuration Allows you to backup the Switch's configuration. Configures the ports. Contains tabs that allow you to setup, modify, or view the IP configuration parameters. Allows you to : ■ Create a VLAN. ■.... ■ Modify existing users. ■ Remove existing users. System Access Contains tabs that allow you to enable or disable rate limiting. Configures the device. Allows you to : ■ Display SNMP summary information. ■ Enable or disable SNMP. ■ Add community strings....
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.... Displays MAC address table information for a selected port. Direct link to : ■ Display Radius Client information. ■ Configure Radius Client settings and set authentication parameters. Navigating the Web Interface 25 Menu Item Link Aggregation Spanning Tree per Port Port Mirroring Statistics.... ■ Modify the spanning tree settings for all ports. ■ Display all cable diagnostics information per port. ■ Configure 802.1X settings. Click to save and apply any unsaved changes Display statistics for ports and VLANs. Contains tabs that allow you...
.... Displays MAC address table information for a selected port. Direct link to : ■ Display Radius Client information. ■ Configure Radius Client settings and set authentication parameters. Navigating the Web Interface 25 Menu Item Link Aggregation Spanning Tree per Port Port Mirroring Statistics.... ■ Modify the spanning tree settings for all ports. ■ Display all cable diagnostics information per port. ■ Configure 802.1X settings. Click to save and apply any unsaved changes Display statistics for ports and VLANs. Contains tabs that allow you...
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... assigned to the Switch, and then using Discovery. To determine the IP address that the Switch will perform auto IP configuration to assign an IP address to itself during auto IP configuration, check the sticker on page 29. This section describes how to access the interface directly, without using Discovery. If you... Switch's IP address settings, it will assign to itself . If you know the Switch's IP address, you want to configure the Switch. Manually Assigned (Static) IP Address If you assigned a static IP address to the Switch, you need to use that IP address to access ...
... assigned to the Switch, and then using Discovery. To determine the IP address that the Switch will perform auto IP configuration to assign an IP address to itself during auto IP configuration, check the sticker on page 29. This section describes how to access the interface directly, without using Discovery. If you... Switch's IP address settings, it will assign to itself . If you know the Switch's IP address, you want to configure the Switch. Manually Assigned (Static) IP Address If you assigned a static IP address to the Switch, you need to use that IP address to access ...
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...: ■ Device View ■ Polling Interval ■ Color Key Device View Contains fields that display the system, switch, and management switch information to configure the Switch's advanced features. You only need to access the Web interface if you want the Switch to function as a basic layer 2 switch, you ...log on to access the Web interface and configure the Switch. If you only want to: ■ Set the administration password to the Web interface ■ Assign an IP address to the Switch...
...: ■ Device View ■ Polling Interval ■ Color Key Device View Contains fields that display the system, switch, and management switch information to configure the Switch's advanced features. You only need to access the Web interface if you want the Switch to function as a basic layer 2 switch, you ...log on to access the Web interface and configure the Switch. If you only want to: ■ Set the administration password to the Web interface ■ Assign an IP address to the Switch...
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...the polling interval: 1 Click the Device Summary menu, click Polling Interval tab. 2 Enter a number between 10 to 180 seconds for technical assistance from 3Com Support, you would like the Switch to refresh. (Range: 10 to 180 seconds; 0 to disable polling). Enter a 0 to print out the ...information on this screen. Color Key Description of the color coding. Figure 11 Color Key 28 CHAPTER 4: CONFIGURING THE SWITCH Figure 9 Device View If you request for the polling interval. Polling Interval Enter the interval in seconds you may be asked to disable...
...the polling interval: 1 Click the Device Summary menu, click Polling Interval tab. 2 Enter a number between 10 to 180 seconds for technical assistance from 3Com Support, you would like the Switch to refresh. (Range: 10 to 180 seconds; 0 to disable polling). Enter a 0 to print out the ...information on this screen. Color Key Description of the color coding. Figure 11 Color Key 28 CHAPTER 4: CONFIGURING THE SWITCH Figure 9 Device View If you request for the polling interval. Polling Interval Enter the interval in seconds you may be asked to disable...
User Guide
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...able to connect to the Web interface. Administration Settings The Administration menu includes eight administration items: ■ IP Setup ■ Backup Configuration ■ Restore Configuration ■ Firmware Upgrade ■ Initialize ■ Reboot ■ System Access ■ System Time ■ SNMP Modifying the IP...Settings 29 To determine the exact IP address that the Switch assigns to be 169.254.1.2. This is found. 3Com recommends using the automatic configuration process, the Switch goes through the following sequence of its MAC address. For example, if the MAC address ...
...able to connect to the Web interface. Administration Settings The Administration menu includes eight administration items: ■ IP Setup ■ Backup Configuration ■ Restore Configuration ■ Firmware Upgrade ■ Initialize ■ Reboot ■ System Access ■ System Time ■ SNMP Modifying the IP...Settings 29 To determine the exact IP address that the Switch assigns to be 169.254.1.2. This is found. 3Com recommends using the automatic configuration process, the Switch goes through the following sequence of its MAC address. For example, if the MAC address ...
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... on your computer to a file: 1 Click Administration, then Restore Configuration on the menu. Figure 12 IP Settings Screen Backup Configuration To save the Switch configuration settings: 1 Click Administration, then Backup Configuration on the menu. Figure 14 Restore Configuration 2 Click Browse to complete the setup. 30 CHAPTER 4: CONFIGURING THE SWITCH IP Setup To set system name, location...
... on your computer to a file: 1 Click Administration, then Restore Configuration on the menu. Figure 12 IP Settings Screen Backup Configuration To save the Switch configuration settings: 1 Click Administration, then Backup Configuration on the menu. Figure 14 Restore Configuration 2 Click Browse to complete the setup. 30 CHAPTER 4: CONFIGURING THE SWITCH IP Setup To set system name, location...
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...stopped flashing and is taking place. You will restart and apply the newer system firmware version. For security purposes, restoring the configuration does not change the file type in case the upgrade process fails for example, the connection between the computer and the Switch... to *.* to be downloaded via HTTP and copied to see "Automatic IP Configuration" on page 29). Figure 15 Upgrade Screen 1 Click Administration, then Firmware Upgrade on your configuration settings, 3Com recommends that 3Com may not start up properly afterwards. Although the upgrade process has been designed ...
...stopped flashing and is taking place. You will restart and apply the newer system firmware version. For security purposes, restoring the configuration does not change the file type in case the upgrade process fails for example, the connection between the computer and the Switch... to *.* to be downloaded via HTTP and copied to see "Automatic IP Configuration" on page 29). Figure 15 Upgrade Screen 1 Click Administration, then Firmware Upgrade on your configuration settings, 3Com recommends that 3Com may not start up properly afterwards. Although the upgrade process has been designed ...
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... to prevent unauthorized access to your computer to restart their access level. Even if you do not access the Web interface, 3Com recommends that you first configure the Switch. Figure 16 User Summary Screen If you forget the administration password after you are : ■ User name -... User Summary Displays the list of user names and their computers when the reboot has completed and the Switch is case-sensitive. No configuration information will have their access interrupted while the reboot takes place, and they may need to re-establish communication with four system access ...
... to prevent unauthorized access to your computer to restart their access level. Even if you do not access the Web interface, 3Com recommends that you first configure the Switch. Figure 16 User Summary Screen If you forget the administration password after you are : ■ User name -... User Summary Displays the list of user names and their computers when the reboot has completed and the Switch is case-sensitive. No configuration information will have their access interrupted while the reboot takes place, and they may need to re-establish communication with four system access ...
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34 CHAPTER 4: CONFIGURING THE SWITCH System Time Click Administration, then System Time on a network. Figure 20 System Time Screen Summary Displays the list community access strings. Equipment commonly ...; SNMP Add ■ SNMP Remove Setup Enable or disable the SNMP Agent Status. Figure 22 SNMP Setup Screen SNMP Add This page allows you to configure these devices for managing devices on the menu. You can set the system time. Figure 21 SNMP Summary Screen SNMP Simple Network Management Protocol (SNMP...
34 CHAPTER 4: CONFIGURING THE SWITCH System Time Click Administration, then System Time on a network. Figure 20 System Time Screen Summary Displays the list community access strings. Equipment commonly ...; SNMP Add ■ SNMP Remove Setup Enable or disable the SNMP Agent Status. Figure 22 SNMP Setup Screen SNMP Add This page allows you to configure these devices for managing devices on the menu. You can set the system time. Figure 21 SNMP Summary Screen SNMP Simple Network Management Protocol (SNMP...
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A VLAN serves as though located on the VLAN), or configure a port make it a member of their physical location or connection point in large networks. You can only take place if they are all VLANs. Communication ... connected to organize any group of ports into separate broadcast domains. VLANs confine broadcast traffic to remove community strings. Figure 24 SNMP Remove Screen Configuring VLANs 35 Configuring VLANs A virtual LAN (VLAN) is a collection of network nodes that the port can create up to 64 VLANs, add specific ports to share information...
A VLAN serves as though located on the VLAN), or configure a port make it a member of their physical location or connection point in large networks. You can only take place if they are all VLANs. Communication ... connected to organize any group of ports into separate broadcast domains. VLANs confine broadcast traffic to remove community strings. Figure 24 SNMP Remove Screen Configuring VLANs 35 Configuring VLANs A virtual LAN (VLAN) is a collection of network nodes that the port can create up to 64 VLANs, add specific ports to share information...