User Guide
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... SFP Transceivers 18 Inserting an SFP Transceiver 18 Removing an SFP Transceiver 19 Performing Spot Checks 19 3 CONNECTING TO THE WEB INTERFACE Requirements for Accessing the Web Interface 21 Running the Discovery Application 21 Logging On to the Web Interface 22 Navigating Around the Web Interface 23 Menu 23 Buttons 24 Device Mimic 24 Accessing the Interface Without Using Discovery 25 DHCP Assigned IP Address 25 Manually Assigned (Static) IP Address 25 4 CONFIGURING THE SWITCH Configuration Overview 27 Viewing Switch...
... SFP Transceivers 18 Inserting an SFP Transceiver 18 Removing an SFP Transceiver 19 Performing Spot Checks 19 3 CONNECTING TO THE WEB INTERFACE Requirements for Accessing the Web Interface 21 Running the Discovery Application 21 Logging On to the Web Interface 22 Navigating Around the Web Interface 23 Menu 23 Buttons 24 Device Mimic 24 Accessing the Interface Without Using Discovery 25 DHCP Assigned IP Address 25 Manually Assigned (Static) IP Address 25 4 CONFIGURING THE SWITCH Configuration Overview 27 Viewing Switch...
User Guide
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... an Aggregated Link 38 Modifying Settings and Deleting an Aggregated Link 39 Viewing the Trunk Summary 39 Viewing Statistics 40 Mirroring Port Traffic 41 Running Cable Diagnostic 42 Using the System Tools 42 Restart 42 Configuration 43 Resetting to Factory Defaults 43 Backing Up and Restoring Configuration 44 Upgrade 44 Spanning Tree 45 802.1p Prioritization 46 Viewing Support Information 47 5 TROUBLESHOOTING Forgotten Password 49 Forgotten Static IP Address 49 Solving LED Issues 49 If the Problem Persists 52 A OBTAINING SUPPORT FOR...
... an Aggregated Link 38 Modifying Settings and Deleting an Aggregated Link 39 Viewing the Trunk Summary 39 Viewing Statistics 40 Mirroring Port Traffic 41 Running Cable Diagnostic 42 Using the System Tools 42 Restart 42 Configuration 43 Resetting to Factory Defaults 43 Backing Up and Restoring Configuration 44 Upgrade 44 Spanning Tree 45 802.1p Prioritization 46 Viewing Support Information 47 5 TROUBLESHOOTING Forgotten Password 49 Forgotten Static IP Address 49 Solving LED Issues 49 If the Problem Persists 52 A OBTAINING SUPPORT FOR...
User Guide
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... connect to -use . Overview of the Switch package and helps you to connect network devices to fiber-based Gigabit media. No configuration is a versatile, easy-to another switch port, server, or workstation without additional configuration. Autonegotiating 10/100/1000 Mbps Ports Each 10/100/1000 Mbps port automatically determines the speed and duplex mode of the 3Com® Baseline Switch 2816/2824-SFP Plus. It also identifies the contents of the Baseline Switch The 3Com Baseline Switch 2816-SFP...
... connect to -use . Overview of the Switch package and helps you to connect network devices to fiber-based Gigabit media. No configuration is a versatile, easy-to another switch port, server, or workstation without additional configuration. Autonegotiating 10/100/1000 Mbps Ports Each 10/100/1000 Mbps port automatically determines the speed and duplex mode of the 3Com® Baseline Switch 2816/2824-SFP Plus. It also identifies the contents of the Baseline Switch The 3Com Baseline Switch 2816-SFP...
User Guide
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... (2816-SFP) 1 1 9 8 4 5 12 13 Baseline Switch 2816-SFP Plus Module Present 8 16 Link/Activity : Green = 1000M, Yellow = 10/1000M, Flash = Activity, Duplex : On = Full, Off = Half 3C16485A 2 4 53 6 7 9 Front Panel The front panel of the Switch contains a series of indicator lights (LEDs) that help describe the state of various networking and connection operations. (1) RJ-45 10/100/1000 Ports WARNING: RJ-45 Ports. Each port They cannot be connected to numbered sections...
... (2816-SFP) 1 1 9 8 4 5 12 13 Baseline Switch 2816-SFP Plus Module Present 8 16 Link/Activity : Green = 1000M, Yellow = 10/1000M, Flash = Activity, Duplex : On = Full, Off = Half 3C16485A 2 4 53 6 7 9 Front Panel The front panel of the Switch contains a series of indicator lights (LEDs) that help describe the state of various networking and connection operations. (1) RJ-45 10/100/1000 Ports WARNING: RJ-45 Ports. Each port They cannot be connected to numbered sections...
User Guide
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... Power LED does not light up with the recesses of the Switch. Table 5 Possible Power LED Colors After POST Color State Green The unit is clean and free from lightning and power surges. Installing proper grounding helps to your network. Checking for Correct Operation After you install power conditioning, especially in areas prone to black outs, power dips and electrical storms. The unit is complete, the Power LED turns green. Before powering...
... Power LED does not light up with the recesses of the Switch. Table 5 Possible Power LED Colors After POST Color State Green The unit is clean and free from lightning and power surges. Installing proper grounding helps to your network. Checking for Correct Operation After you install power conditioning, especially in areas prone to black outs, power dips and electrical storms. The unit is complete, the Power LED turns green. Before powering...
User Guide
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... 3Com network supplier for a solution. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter http://knowledgebase.3com.com. ■ Contact your settings. This can happen if a ports or ports fail when the Switch was successfully completed. ■ Reset the Switch. CAUTION: Resetting the Switch to Factory Defaults" on switched 100 Mbps or 1000 Mbps connections To connect a device to the Switch: 1 Connect one end of the cable to the Switch, use...
... 3Com network supplier for a solution. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter http://knowledgebase.3com.com. ■ Contact your settings. This can happen if a ports or ports fail when the Switch was successfully completed. ■ Reset the Switch. CAUTION: Resetting the Switch to Factory Defaults" on switched 100 Mbps or 1000 Mbps connections To connect a device to the Switch: 1 Connect one end of the cable to the Switch, use...
User Guide
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... 3: CONNECTING TO THE WEB INTERFACE Table 7 Available Menu Items Menu Item Description Summary Provides a summary of the Switch's basic settings and versions of current components Password Allows you to change the administrator password IP Settings Allows you to configure the IP address settings of the Switch Port Configuration Allows you to configure the Switch's port settings VLANs Allows you to create VLAN groups, add port members, and specify how VLAN tagging is used Link Aggregation Allows you to set up and restoring configuration...
... 3: CONNECTING TO THE WEB INTERFACE Table 7 Available Menu Items Menu Item Description Summary Provides a summary of the Switch's basic settings and versions of current components Password Allows you to change the administrator password IP Settings Allows you to configure the IP address settings of the Switch Port Configuration Allows you to configure the Switch's port settings VLANs Allows you to create VLAN groups, add port members, and specify how VLAN tagging is used Link Aggregation Allows you to set up and restoring configuration...
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.... ■ Enable or disable flow control ■ Configure the speed duplex settings ■ Set traffic priority for the IP address that is assigned to the Switch, and then using that address to connect to the Web interface. For example, if you can access the Web interface without using Discovery. For more information, refer to access the interface directly, without using Discovery. This section describes how to "Automatic IP Configuration" on the base of the Switch. Manually Assigned (Static) IP Address If...
.... ■ Enable or disable flow control ■ Configure the speed duplex settings ■ Set traffic priority for the IP address that is assigned to the Switch, and then using that address to connect to the Web interface. For example, if you can access the Web interface without using Discovery. For more information, refer to access the interface directly, without using Discovery. This section describes how to "Automatic IP Configuration" on the base of the Switch. Manually Assigned (Static) IP Address If...
User Guide
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... need to access the Web interface if you want the Switch to function as a basic layer 2 switch, you log on how to configure the Switch's features. You only need to access the Web interface and configure the Switch. Topics include: ■ Configuration Overview ■ Viewing Switch Information ■ Changing the Admin Password ■ Modifying the IP Address Settings ■ Configuring Port Settings ■ Configuring VLANs ■ Configuring Link Aggregation ■ Viewing Statistics ■ Mirroring Port Traffic ■ Running Cable Diagnostic ■ Using the System Tools...
... need to access the Web interface if you want the Switch to function as a basic layer 2 switch, you log on how to configure the Switch's features. You only need to access the Web interface and configure the Switch. Topics include: ■ Configuration Overview ■ Viewing Switch Information ■ Changing the Admin Password ■ Modifying the IP Address Settings ■ Configuring Port Settings ■ Configuring VLANs ■ Configuring Link Aggregation ■ Viewing Statistics ■ Mirroring Port Traffic ■ Running Cable Diagnostic ■ Using the System Tools...
User Guide
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... number of ports, and the version of these settings, click IP Settings. To modify any of the editable fields in Figure 11 on this section, click Apply to save your network. blank (no password) To ensure that unauthorized users do not intend to actively manage the switch, 3Com recommends that you can view on the Switch ■ Management Software Information - Shows the IP address settings of the loader (firmware), boot...
... number of ports, and the version of these settings, click IP Settings. To modify any of the editable fields in Figure 11 on this section, click Apply to save your network. blank (no password) To ensure that unauthorized users do not intend to actively manage the switch, 3Com recommends that you can view on the Switch ■ Management Software Information - Shows the IP address settings of the loader (firmware), boot...
User Guide
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... itself during auto IP configuration, check the The Change Administration Password page appears. 2 In Old Password, type your first time to access this is case-sensitive. 5 Click Apply. either by DHCP or by manually assigning a static IP address. Figure 10 Password Page To set . 4 In Confirm Password, retype the password you typed in step 3 to modify the admin password later on the Switch for the first time, it , refer to "Forgotten Password" on page...
... itself during auto IP configuration, check the The Change Administration Password page appears. 2 In Old Password, type your first time to access this is case-sensitive. 5 Click Apply. either by DHCP or by manually assigning a static IP address. Figure 10 Password Page To set . 4 In Confirm Password, retype the password you typed in step 3 to modify the admin password later on the Switch for the first time, it , refer to "Forgotten Password" on page...
User Guide
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.... 3Com recommends using DHCP or assigning a static IP address) to configure itself with the default IP address 169.254.x.y, where x and y are listed in use on the network, then the Switch detects this, and increments the last byte of the Switch. For example, if the MAC address were 08004E000102, the IP address would therefore become 169.254.1.3. 3 The Switch repeats step 2 until an unused IP address is already in Table...
.... 3Com recommends using DHCP or assigning a static IP address) to configure itself with the default IP address 169.254.x.y, where x and y are listed in use on the network, then the Switch detects this, and increments the last byte of the Switch. For example, if the MAC address were 08004E000102, the IP address would therefore become 169.254.1.3. 3 The Switch repeats step 2 until an unused IP address is already in Table...
User Guide
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... also view the current connection status of the gateway router between this option if you want to assign to VLAN 1. IP Address Mode Specify how the Switch will only be able to access that Web interface from which the Web interface can configure the speed/duplex and flow control settings of the port. The IP address that is set to Static. This option is only available if IP Address Mode is assigned to VLAN 1. By default, all ports belong...
... also view the current connection status of the gateway router between this option if you want to assign to VLAN 1. IP Address Mode Specify how the Switch will only be able to access that Web interface from which the Web interface can configure the speed/duplex and flow control settings of the port. The IP address that is set to Static. This option is only available if IP Address Mode is assigned to VLAN 1. By default, all ports belong...
User Guide
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... to connect all ports to access the Web interface. You can only be a member of VLAN 1 (the management VLAN). Communication between different VLANs can only communicate with no longer be set to a router or layer 3 switch. VLANs confine broadcast traffic to the backbone of the network. Use the uplink port function to connect the Switch to the originating group and help eliminate broadcast storms in large networks. Traffic from the other ports on the Switch to create VLANs...
... to connect all ports to access the Web interface. You can only be a member of VLAN 1 (the management VLAN). Communication between different VLANs can only communicate with no longer be set to a router or layer 3 switch. VLANs confine broadcast traffic to the backbone of the network. Use the uplink port function to connect the Switch to the originating group and help eliminate broadcast storms in large networks. Traffic from the other ports on the Switch to create VLANs...
User Guide
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... enables ports that are members of the same VLAN (but are connected. Setting Up VLAN Across Two Switches This example explains how you can set the VLAN ID to uplink, and that the ports on the default VLAN1 and the ports on each other ports, unless you want to add ports 7, 8, and 16 to VLAN2 (as shown in VLAN 2 Baseline Switch 2824-SFP Plus add another port to the VLAN or change the port configuration. VLAN1 is set...
... enables ports that are members of the same VLAN (but are connected. Setting Up VLAN Across Two Switches This example explains how you can set the VLAN ID to uplink, and that the ports on the default VLAN1 and the ports on each other ports, unless you want to add ports 7, 8, and 16 to VLAN2 (as shown in VLAN 2 Baseline Switch 2824-SFP Plus add another port to the VLAN or change the port configuration. VLAN1 is set...
User Guide
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... not create VLAN1 since it . Removing a VLAN To remove an existing VLAN: 1 In the VLAN ID list, select the VLAN ID that you want to be part of VLAN2 to U (uplink egress packet). Click Apply. 3 On Switch 2, set the ports that you deleted disappears from the VLAN ID list. The VLANs page refreshes, and the VLAN ID that you want to delete. 2 Click Remove. Figure 17 Uplink VLAN Configuration Endstation in VLAN 1 (Desktop) Server in VLAN 1 (Desktop...
... not create VLAN1 since it . Removing a VLAN To remove an existing VLAN: 1 In the VLAN ID list, select the VLAN ID that you want to be part of VLAN2 to U (uplink egress packet). Click Apply. 3 On Switch 2, set the ports that you deleted disappears from the VLAN ID list. The VLANs page refreshes, and the VLAN ID that you want to delete. 2 Click Remove. Figure 17 Uplink VLAN Configuration Endstation in VLAN 1 (Desktop) Server in VLAN 1 (Desktop...
User Guide
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... forwarded to workstations, it can be configured to a particular type of traffic. Spanning tree BPDU packets received on a different queue from lower priority traffic, and is forwarded through the normal or high priority channel. If the Switch is forwarded on a port are part of the spanning tree network, set to "Block and Discard." 802.1p Prioritization The Switch has priority queuing enabled, which relates to forward or block spanning tree BPDUs. Priority Level Traffic Type...
... forwarded to workstations, it can be configured to a particular type of traffic. Spanning tree BPDU packets received on a different queue from lower priority traffic, and is forwarded through the normal or high priority channel. If the Switch is forwarded on a port are part of the spanning tree network, set to "Block and Discard." 802.1p Prioritization The Switch has priority queuing enabled, which relates to forward or block spanning tree BPDUs. Priority Level Traffic Type...
User Guide
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... "Resetting to Factory Defaults" on page 21. 5 TROUBLESHOOTING This chapter lists some issues that are related to the LEDs on to the Web interface using the default admin account settings: ■ User name - Forgotten Password If you forget the password to the Web interface after you set it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to obtain support for the port does not light There is connected but the Link/Activity Status LED for...
... "Resetting to Factory Defaults" on page 21. 5 TROUBLESHOOTING This chapter lists some issues that are related to the LEDs on to the Web interface using the default admin account settings: ■ User name - Forgotten Password If you forget the password to the Web interface after you set it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to obtain support for the port does not light There is connected but the Link/Activity Status LED for...
User Guide
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... required version of the Switch. CAUTION: Before recovering the Switch, save the Switch's current configuration. After at least 5 seconds, or when the LED flashes, release the recovery button. If the firmware image becomes corrupted, you need to its factory default settings. Alternatively, click RESET to return the Switch to upgrade the firmware. The Discovery application can restore the default settings, using a pointed tool, and then turn on -screen instructions to upgrade the Switch to the factory defaults. For...
... required version of the Switch. CAUTION: Before recovering the Switch, save the Switch's current configuration. After at least 5 seconds, or when the LED flashes, release the recovery button. If the firmware image becomes corrupted, you need to its factory default settings. Alternatively, click RESET to return the Switch to upgrade the firmware. The Discovery application can restore the default settings, using a pointed tool, and then turn on -screen instructions to upgrade the Switch to the factory defaults. For...
User Guide
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... access these services for a user name and password. First time users will be found at http://eSupport.3com.com/, or under the Product Support heading at www.3com.com/ Software Upgrades are correct at the sender's expense. In order to software downloads can obtain an RMA number online at http://csoweb4.3com.com/contactus/ 54 APPENDIX A: OBTAINING SUPPORT FOR YOUR PRODUCT Updates you must first obtain a return authorization number (RMA). A link to access upgrades...
... access these services for a user name and password. First time users will be found at http://eSupport.3com.com/, or under the Product Support heading at www.3com.com/ Software Upgrades are correct at the sender's expense. In order to software downloads can obtain an RMA number online at http://csoweb4.3com.com/contactus/ 54 APPENDIX A: OBTAINING SUPPORT FOR YOUR PRODUCT Updates you must first obtain a return authorization number (RMA). A link to access upgrades...