3Com 3CBLSG24 User Guide
3Com 3CBLSG24 - Baseline Switch 2924-SFP Manual
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3Com® Baseline Switch 2916-SFP Plus and Baseline Switch 2924-SFP Plus User Guide 3CBLSG16 / 3CBLSG24 www.3Com.com Part Number 10016143 Rev. AA Published May 2007 -
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... to provide notification of such revision or change. 3Com Corporation provides this documentation without warranty, term, or condition of any kind...to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements... -
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...provides information about the Web user interface for the 3Com® Baseline Switch 2916-SFP Plus and Baseline Switch 2924-SFP Plus. The Web interface is a network management system that allows you to configure, monitor, and troubleshoot your switch from a remote web browser. The Web interface... -
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4 ABOUT THIS GUIDE -
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... with your product and the information there differs from the information in this guide, follow the instructions in the release notes. Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) or HTML on the 3Com Web site: -
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... Setting Up for Management ...17 Methods of Managing a Switch ...17 Switch Setup Overview ...18 Using the ... and Passwords...27 Upgrading Software using the CLI...27 2 USING THE 3COM WEB INTERFACE Starting the 3Com Web Interface...28 Understanding the 3Com Web Interface ...30 Using Screen and Table ... -
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3 VIEWING BASIC SETTINGS Viewing Device Settings ...41 Viewing Color Keys ...43 4 MANAGING DEVICE SECURITY Configuring System Access...45 Defining RADIUS Clients...50 Defining Port-Based Authentication (802.1X)...52 Defining Access Control Lists ...57 Enabling Broadcast Storm...78 5 GENERAL ... -
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...VLAN Settings ...107 Removing VLANs ...108 9 CONFIGURING IP AND MAC ADDRESS INFORMATION Defining IP Addressing ...109 Configuring ARP Settings...110 Configuring Address Tables...114 10 ...Removing SNMP Traps ...140 13 CONFIGURING QUALITY OF SERVICE Viewing CoS Settings...143 Defining CoS... -
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......175 Viewing Cable Diagnostics ...178 A 3COM NETWORK MANAGEMENT 3Com Network Supervisor...181 3Com... 3Com Network Access Manager ...182 3Com Enterprise Management Suite ...183 Integration Kit with... Related Standards ...184 Environmental ...184 Physical ...184 Electrical...185 Switch Features ...185 -
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... Cable...190 PC-AT Serial Cable ...190 Modem Cable...190 Ethernet Port RJ-45 Pin Assignments ...191 D TROUBLESHOOTING Problem Management ...192 Troubleshooting Solutions ...192 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface ... -
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1 GETTING STARTED This chapter contains introductory information about the 3Com® Baseline Switch 2916-SFP Plus and the Baseline Switch 2924-SFP Plus and how they can be used in your network. It covers summaries of hardware and software features and also the ... -
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... Switch 2924 are Gigabit Ethernet switching products that deliver flexible three-speed performance (10/100/...-QoS and auto-voice VLAN. This makes the switches ideal for medium businesses and small enterprises seeking to build a secure converged network. The Switch 2916 and 2924 includes the following ... -
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... and Gigabit Ethernet Ports SFP Ethernet Ports Supports fiber Gigabit Ethernet ... Figure 1 shows the front panel of the Switch 2916-SFP Plus 16-Port unit.... Figure 2 shows the front panel of the Switch 2924-SFP Plus 24-Port unit. Figure 2 Switch 2924 SFP Plus 24-Port-front panel 1 4 5 8 9 12 22... -
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... CHAPTER 1: GETTING STARTED LED Status Indicators The 2916-SFP Plus 16-Port and 24-Port Ethernet switches provide LED indicators on the front ... 2924 LED Power Label Power Status Green Description The switch starts normally. The LED flashes when the system is performing power... -
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... Specification Physical dimensions (H×W×D) Weight Console port Gigabit Ethernet ports on the front panel Switch 2916-SFP Plus 16-Port 3CBLSG16 Switch 2924-SFP Plus 24-Port 3CBLSG24 44×440×173 mm (1.73 17.3 6.81 in.) 2.0 kg (4.4 lb) One Console port ... -
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... oder Instandhaltungsarbeiten verrichten, lesen Sie die 3Com Switch Family Safety and Regulatory ..., debe leer la informacion de seguridad facilitada en el 3Com Switch Family Safety and Regulatory ...¼y zapoznać się z informacjami o bezpieczeństwie zawartymi w 3Com Switch Family Safety and Regulatory ... -
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... to manage a switch. It covers the following topics: Methods of Managing a Switch Switch Setup Overview Manually set the IP Address using the Console Port ... Up SNMP Management V1 or V2 Default Users and Passwords Methods of Managing a Switch To manage your switch you can ... -
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... Network Management Protocol (SNMP) as shown in Figure 4. For example, you can use the 3Com Network Director software, available from the 3Com website. ...of what you need to do to get your switch set up and ready for management when it is in its default state. The whole setup process is summarized in ... -
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...is automatically configured using DHCP See page 20 The switch uses its default IP information See page 20 Yes Do you want to manually configure the IP... See page 25 Refer to the label on the rear of the switch which details the default IP address. Connect to the console port and ... -
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... an IP address from a DHCP server on the network. Default IP Address If no DHCP server is detected, the switch will use its default IP information. The default IP address is 169.254.x.y, ...last two bytes of its MAC address. Note: The switch's default IP address is listed on a label located on ... -
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Using the Command Line Interface (CLI) 21 -
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... cable. The settings must be set to match the default settings for the switch, which are: 38,400 baud (... (POST) will be performed. The Switch 2916 and 2924 takes approximately one minute to boot. Manually ... Port You are now ready to manually set up the switch with IP information using the command ... -
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... option# should be displayed. 5 Enter the IP address and subnet mask for the switch as follows: ipSetup ... logout command to terminate the CLI session. The initial setup of your switch is now complete and ... method. See "Methods of Managing a Switch" on page 17. Viewing IP Information using the Console ... -
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...of the display from the Summary command. Select menu option# summary IP Method: default IP address: 169.254.99.51 Subnet mask: 255....up your chosen management method. See "Methods of Managing a Switch" on page 17. For more information about the CLI, refer to "3Com CLI Reference Guide" on page 195. If ... -
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Setting Up Web Interface Management 25 Setting Up Web Interface Management This section describes how you can set up web interface management over the network. Prerequisites -
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... running the Simple Network Management Protocol (SNMP) to manage the switch. 3Com offers a range of network management applications to address networks of all sizes and complexity. See "3Com Network Management" on page 181. Be sure the management workstation is connected to the switch using a ... -
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... Users and Passwords 27 Default Users and Passwords If you intend to manage the switch or to change the default passwords, you must log in with a valid user name and password. The switch has one default user name. The default user is listed in Table 5.... -
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... topics: Starting the 3Com Web Interface Understanding the 3Com Web Interface Saving the Configuration Resetting the Device Restoring Factory Defaults Logging Off the Device Starting the 3Com Web Interface This section includes the following ... -
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... 3Com Web Interface 29 Accessing the 3Com Web Interface This section contains information on starting ...interface. To access the 3Com user interface: 1 Open an Internet browser. 2 Enter the device IP address ...blank. Passwords are case sensitive. 4 Click Login. The 3Com Web Interface Home Page opens:... -
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30 CHAPTER 2: USING THE 3COM WEB INTERFACE Figure 8 3Com Web Interface Home Page Understanding the 3Com Web Interface The 3Com Web Interface Home Page contains the following views: -
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Understanding the 3Com Web Interface 31 Figure 9 Web Interface Components The following table lists the user interface components with their corresponding numbers: Table 6 Interface Components View 1 Tree View Description Tree View provides easy navigation through the configurable device ... -
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... 3COM WEB INTERFACE Device Representation The 3Com Web Interface Home Page contains a graphical ... information, and include the following: Table 7 Button 3Com Web Interface Configuration Buttons Button ... device. Deletes configuration settings. Table 8 Tab 3Com Web Interface Information Tabs Tab ... -
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Using Screen and Table Options 33 Using Screen and Table Options 3Com contains screens and tables for configuring devices. This section contains the following topics: Viewing Configuration Information Adding Configuration Information Modifying Configuration Information Removing Configuration ... -
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... 2: USING THE 3COM WEB INTERFACE Adding Configuration Information User-defined information can be added to specific 3Com Web Interface pages, by opening the IP Setup Page. For example, to configure IP Setup: 1 Click Administration ... -
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Using Screen and Table Options 35 Modifying Configuration Information 1 Click Administration > System Access > Modify. The System Access Modify Page opens: Figure 13 System Access Modify Page 2 Modify the fields. 3 Click Apply. The access fields are modified. -
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36 CHAPTER 2: USING THE 3COM WEB INTERFACE Removing Configuration Information 1 Click Administration > System Access > Remove. The System Access Remove Page opens: Figure 14 System Access Remove Page 2 Select the user account to be deleted. 3 Click Remove. The user account is deleted, and the ... -
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Saving the Configuration 37 Saving the Configuration Configuration changes are only saved to the device once the user saves the changes to the flash memory. The Save Configuration tab allows the latest configuration to be saved to the flash memory. To save the device configuration: 1 Click Save ... -
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38 CHAPTER 2: USING THE 3COM WEB INTERFACE Resetting the Device The Reset Page enables resetting the device from a remote location. To prevent the current configuration from being lost, use the Save Configuration Page to save all user-defined changes to the flash memory before resetting the ... -
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Restoring Factory Defaults 39 Restoring Factory Defaults The Restore option appears on the Reset Page. The Restore option restores device factory defaults. To restore the device: 1 Click Administration > Reset. The Reset Page opens: Figure 18 Reset Page The Reset Page contains the following ... -
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40 CHAPTER 2: USING THE 3COM WEB INTERFACE Logging Off the Device To log off the device: 1 Click Logout. The Logout Page opens. 2 The following message appears: 3 Click OK. The 3Com Web Interface Home Page closes. -
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3 VIEWING BASIC SETTINGS This section contains information about viewing basic settings available from the Web interface home page, including the Device Summary page and the Color Keys page. Viewing Device Settings The Device Summary Page displays general information, including the system name,... -
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42 CHAPTER 3: VIEWING BASIC SETTINGS -
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Viewing Color Keys 43 Viewing Color Keys The Color Key Page provides information about the RJ45 or SFP port status. To view color keys: 1 Click Device Summary > Color Key. The Color Key Page opens: Figure 20 Color Key Page The Color Key Page contains the following fields: -
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4 MANAGING DEVICE SECURITY The Management Security section provides information for configuring system access, defining RADIUS authentication, port-based authentication and defining access control lists. This section includes the following topics: Configuring System Access Defining RADIUS ... -
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... allows 10 users to be created and access the switch concurrently. Access levels provide read or read/write permissions to users for configuring the switch. Login information is managed in the local database. ... password is required of each user. Two access levels exist on the 3Com Web Interface:... -
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46 CHAPTER 4: MANAGING DEVICE SECURITY Viewing System Access Settings The System Access Summary Page displays the current users and access levels defined on the device. To view System Access settings: 1 Click Administration > System Access > Summary. The System Access Summary Page opens: Figure ... -
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...Access 47 Defining System Access The System Access Setup Page allows network administrators to define users,...this page. 1 Click Administration > System Access > Setup. The System Access Setup Page opens: Figure 22 System Access Setup Page The System Access Setup Page contains the following fields... -
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48 CHAPTER 4: MANAGING DEVICE SECURITY Modifying System Access The System Access Modify Page allows network administrators to modify users, passwords, and access levels using the System Access Interface. Monitor users have no access to this page. 1 Click Administration > System Access > Modify. ... -
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Configuring System Access 49 Removing System Access The System Access Remove Page allows network administrators to remove users from the System Access Interface. Monitor users have no access to this page. To remove users: 1 Click Administration > System Access > Remove. The System Access Remove ... -
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... provide a centralized authentication method for 802.1X. The default parameters are user-defined, and are applied to newly defined RADIUS servers. If new default parameters are not defined, the system default values are applied to newly defined RADIUS servers. Monitor users have no access... -
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Defining RADIUS Clients 51 -
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52 CHAPTER 4: MANAGING DEVICE SECURITY Defining Port-Based Authentication (802.1X) Port-based authentication authenticates users on a per-port basis via an external server. Only authenticated and approved system users can transmit and receive data. Ports are authenticated via the RADIUS server ... -
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Defining Port-Based Authentication (802.1X) 53 Viewing 802.1X Authentication The 802.1X Summary Page allows the network administrator to view port-based authentication settings. To view Port-based Authentication: 1 Click Security > 802.1X > Summary. The 802.1X Summary Page opens: Figure 26 802.... -
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54 CHAPTER 4: MANAGING DEVICE SECURITY -
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Defining Port-Based Authentication (802.1X) 55 To configure 802.1X Settings: 1 Click Security > 802.1X > Setup. The 802.1X Setup Page opens: Figure 27 802.1X Setup Page The 802.1X Setup Page contains the following fields: 802.1X Global Settings -
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56 CHAPTER 4: MANAGING DEVICE SECURITY access. For example, a network administrator can use Guest VLANs to deny network access via port-based authentication, but grant Internet access to unauthorized users. -
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Defining Access Control Lists 57 Defining Access Control Lists Access Control Lists (ACL) allow network managers to define classification actions and rules for specific ingress ports. Packets entering an ingress port, with an active ACL are either admitted or denied entry. If they are denied ... -
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58 CHAPTER 4: MANAGING DEVICE SECURITY Viewing MAC Based ACLs The MAC Based ACL Summary Page displays information regarding MAC Based ACLs configured on the device. Ports are reactivated from the Interface Configuration Page. To view MAC Based ACLs: 1 Click Device > ACL > MAC Based ACL > Summary... -
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Defining Access Control Lists 59 -
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60 CHAPTER 4: MANAGING DEVICE SECURITY Add Rules to ACL -
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Defining Access Control Lists 61 packet is assigned rate limiting restrictions for forwarding. The options are as follows: -
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62 CHAPTER 4: MANAGING DEVICE SECURITY Modify -
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Defining Access Control Lists 63 -
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64 CHAPTER 4: MANAGING DEVICE SECURITY -
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... Viewing IP Based ACLs The IP Based ACL Summary Page displays information regarding IP Based ACLs configured on the device. To view IP Based ACLs: 1 Click Device >... Based ACL > Summary. The IP Based ACL Summary Page opens: Figure 32 IP Based ACL Summary Page The IP Based ACL Summary Page contains ... -
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66 CHAPTER 4: MANAGING DEVICE SECURITY -
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Defining Access Control Lists 67 To configure IP Based Access Control Lists: 1 Click Device > ACL > IP Based ACL > Setup. The IP Based ACL Setup Page opens: Figure 33 IP Based ACL Setup Page The IP Based ACL Setup Page contains the following fields: -
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68 CHAPTER 4: MANAGING DEVICE SECURITY -
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Defining Access Control Lists 69 -
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70 CHAPTER 4: MANAGING DEVICE SECURITY -
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Defining Access Control Lists 71 The IP Based ACL Modify Page contains the following fields: -
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72 CHAPTER 4: MANAGING DEVICE SECURITY For each TCP flag, the possible field values are: -
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Defining Access Control Lists 73 -
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74 CHAPTER 4: MANAGING DEVICE SECURITY The IP Based ACL Remove Page contains the following fields: -
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Defining Access Control Lists 75 -
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... 4: MANAGING DEVICE SECURITY Configuring ACL Binding The ACL Binding Setup Page allows the network administrator to bind specific ports to MAC or IP Based ACLs. The .... The ACL Binding Summary Page opens: Figure 37 ACL Binding Setup Page The ACL Binding Setup Page contains the ... -
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Defining Access Control Lists 77 Removing ACL Binding The ACL Binding Remove Page allows the network administrator to remove user-defined ACLs from a selected interface. Monitor users have no access to this page. To remove ACL Binding: 1 Click Device > ACL > ACL Binding > Remove. The ACL Binding... -
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...port, and discards the frames when the rate exceeds a user-defined rate. Packet threshold is ignored if Broadcast Storm Control is Disabled. Monitor users have no access to this page. 1 Click Device > Broadcast Storm > Setup. The Broadcast Storm Setup Page opens: Figure 39 Broadcast Storm Setup Page -
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Enabling Broadcast Storm 79 The Broadcast Storm Setup Page contains the following fields: -
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5 GENERAL SYSTEM INFORMATION This section contains information about configuring general system parameters, and includes the following: -
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Viewing System Description 81 The Device View Page contains the following fields: -
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82 CHAPTER 5: GENERAL SYSTEM INFORMATION Configuring System Name Information The System Name Page allows the Network Administrator to provide a user-defined system name, location, and contact information for the device. Monitor users have read-only permissions on this page. To configure the ... -
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... System Time 83 Configuring System Time The System Time Setup Page contains fields for defining system time parameters for ... on this page. Country specific times need to be added manually. To configure the System Time: 1 Click Administration > System Time. The System Time Setup Page opens: Figure ... -
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84 CHAPTER 5: GENERAL SYSTEM INFORMATION -
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6 CONFIGURING PORTS This section contains information for configuring Port Settings, and includes the following sections: -
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86 CHAPTER 6: CONFIGURING PORTS To view Port Settings: 1 Click Port > Administration > Summary. The Port Administration Summary Page opens: Figure 43 Port Administration Summary Page The Port Administration Summary Page contains the following fields: -
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Viewing Port Settings 87 -
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... PORTS Defining Port Settings The Port Administration Setup Page allows network managers to configure ...Port Settings: 1 Click Port > Administration > Setup. The Port Administration Setup Page opens: Figure 44 Port Administration Setup Page The Port Administration Setup Page contains the following ... -
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Defining Port Settings 89 10 - Indicates the port is currently operating at 10 Mbps. 100 - Indicates the port is currently operating at 100 Mbps. 1000 - Indicates the port is currently operating at 1000 Mbps. Auto - Use to automatically configure the port. No Change - Retains the current port... -
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90 CHAPTER 6: CONFIGURING PORTS Viewing Port Details The Port Detail Page displays current port parameters for specific ports. Monitor users have no access to this page. To view Port Details: 1 Click Port > Administration > Detail. The Port Detail Page opens: Figure 45 Port Detail Page The Port... -
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Viewing Port Details 91 -
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7 AGGREGATING PORTS This section contains information for configuring Link Aggregation, which optimizes port usage by linking a group of ports together to form a single LAG. A Link Aggregated Group (LAG) aggregates ports or VLANs into a single virtual port or VLAN. Aggregating ports multiplies ... -
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Viewing Link Aggregation 93 Viewing Link Aggregation The Link Aggregation Summary Page displays port usage by linking a group of ports together to form a single LAG. Aggregating ports multiplies the bandwidth between the devices, increases port flexibility, and provides link redundancy. To view ... -
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94 CHAPTER 7: AGGREGATING PORTS 1 Click Ports > Link Aggregation > Create. The Link Aggregation Create Page opens: Figure 47 Link Aggregation Create Page The Link Aggregation Create Page includes the following fields: -
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Modifying Link Aggregation 95 Modifying Link Aggregation The Link Aggregation Modify Page optimizes port usage by linking a group of ports together to form a single LAG. Aggregating ports multiplies the bandwidth between the devices, increases port flexibility, and provides link redundancy. ... -
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96 CHAPTER 7: AGGREGATING PORTS Summary -
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Viewing LACP 97 The Link Aggregation Remove Page includes the following fields: -
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98 CHAPTER 7: AGGREGATING PORTS The LACP Summary Page contains the following fields: -
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Modifying LACP 99 The LACP Modify Page contains the following fields: -
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...network changes, additions, and moves to be implemented. VLANs restrict traffic within the VLAN. VLAN1 is the management VLAN. You can only manage the switch through a port that is an untagged member of VLAN1. VLANs have no minimum number of ports, and can be created per unit, per device, or through... -
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... VLAN information between VLAN groups. VLAN1is the default VLAN. All ports are untagged members of VLAN1 by default. If any port becomes an untagged member of a different VLAN, then the ... can only be an untagged member of one VLAN. By default it is untagged member of VLAN1. If its untagged ... -
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102 CHAPTER 8: CONFIGURING VLANS Viewing VLAN Details The VLAN Detail Page provides information and global parameters on VLANS configured on the system. 1 Click Device > VLAN > VLAN Detail. The VLAN Detail Page opens: Figure 52 VLAN Detail Page The VLAN Detail Page contains the following ... -
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Viewing VLAN Port Details 103 Viewing VLAN Port Details The VLAN Port Detail Page provides displays VLAN configured ports. To view VLAN Port details: 1 Click Device > VLAN > Port Detail. The VLAN Port Detail Page opens: Figure 53 VLAN Port Detail Page The VLAN Port Detail Page contains the ... -
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104 CHAPTER 8: CONFIGURING VLANS Creating VLANs The VLAN Setup Page allows the network administrator to create user-defined VLANs. The monitor users ... no access to this page. To create VLANs: 1 Click Device > VLAN > Setup. The VLAN Setup Page opens: Figure 54 VLAN Setup Page The VLAN Setup Page ... -
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Modifying VLAN Settings 105 3 Click Create. The VLANs are configured, and the device is updated. To rename a VLAN: 1 Highlight a VLAN to be renamed from the VLAN list. 2 Enter the new name for the VLAN. 3 Click Rename. The VLAN is renamed, and the device is updated. Modifying VLAN Settings The ... -
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106 CHAPTER 8: CONFIGURING VLANS -
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Modifying Port VLAN Settings 107 Modifying Port VLAN Settings The Modify VLAN Port Page allows the network manager to modify port VLAN settings. The monitor users have no access to this page. 1 Click Device > VLAN > Modify Port. The Modify VLAN Port Page opens: Figure 56 Modify VLAN Port Page ... -
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108 CHAPTER 8: CONFIGURING VLANS 3 Select Membership type. 4 Enter VLAN ID to be assigned to the port. 5 Click Apply. The VLANs are configured, and the device is updated. Removing VLANs The VLAN Remove Page allows the network administrator to remove VLANs. The monitor users have no access to ... -
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9 CONFIGURING IP AND MAC ADDRESS INFORMATION This section contains information for defining IP interfaces, and includes the following sections: -
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110 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION The IP Setup Page contains the following fields: -
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Configuring ARP Settings 111 Viewing ARP Settings The ARP Settings Summary Page displays the current ARP settings. To view ARP Settings: 1 Click Administration > ARP Settings > Summary. The ARP Settings Summary Page opens: Figure 59 ARP Settings Summary Page The ARP Settings Summary Page ... -
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... CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION Defining ARP Settings The ARP Settings Setup Page allows network managers to define ARP parameters ...configure ARP entries: 1 Click Administration > ARP Settings > Setup. The ARP Settings Setup Page opens: Figure 60 ARP ... -
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... for removing ARP entries from the ARP Table. The monitor user has no access to this page. To remove ARP entries: 1 Click Administration > IP Addressing > ARP Settings > Remove. The ARP Settings Remove Page opens: Figure 61 ARP Settings Remove Page The ARP Settings Remove Page contains the ... -
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114 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION -
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Configuring Address Tables 115 Viewing Address Table Settings The Address Table Summary Page displays the current MAC address table configuration. To view Address Table settings: 1 Click Monitoring > Address Tables > Summary. The Address Table Summary Page opens: Figure 62 Address Table Summary ... -
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116 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION -
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Configuring Address Tables 117 -
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118 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION The Address Table Add Page contains the following fields: -
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... 119 Defining Aging Time The Address Table Setup Page allows the network manager to define the ... out if no traffic from the source is detected. The default value is 300 seconds. The monitor users have ... Time: 1 Click Monitoring > Address Tables > Setup. The Address Table Setup Page opens: Figure 65... -
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120 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION Removing Address Table Ports The Port Remove Page allows the network manager to remove ports from the address tables. The monitor users have no access to this page. To remove ports: 1 Click Monitoring > Address Tables > Port Remove. The ... -
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Configuring Address Tables 121 -
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122 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION -
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10 Introduction CONFIGURING IGMP SNOOPING This section contains information for configuring IGMP Snooping. When IGMP Snooping is enabled globally, all IGMP packets are forwarded to the CPU. The CPU analyzes the incoming packets and determines: -
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... IGMP SNOOPING Defining IGMP Snooping The IGMP Snooping Setup Page allows network managers to define IGMP Snooping... this page. 1 Click Device > IGMP Snooping > Setup. The IGMP Snooping Setup Page opens: Figure 68 IGMP Snooping Setup Page The IGMP Snooping Setup Page contains the following fields: ... -
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Defining IGMP Snooping 125 2 Select Enable IGMP Snooping. 3 Define the fields. 4 Click Apply. IGMP Snooping is enabled, and the device is updated. -
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...prevents Layer 2 forwarding loops in a general network topology, convergence can take between 30-60 seconds. Rapid Spanning Tree Protocol (RSTP) detects and uses network topologies that allow a faster STP convergence without creating forwarding loops. The device supports the following STP versions: -
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Viewing Spanning Tree 127 Viewing Spanning Tree The Spanning Tree Summary Page displays the current Spanning Tree parameters for all ports. To view Spanning Tree Summary: 1 Click Device > Spanning Tree > Summary. The Spanning Tree Summary Page opens: Figure 69 Spanning Tree Summary Page The ... -
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128 CHAPTER 11: CONFIGURING SPANNING TREE -
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Viewing Spanning Tree 129 -
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... assign STP settings to specific interfaces using the Spanning Tree Setup Page. The monitor user has no access to ... Tree Setup: 1 Click Device > Spanning Tree > Setup. The Spanning Tree Setup Page opens: Figure 70 Spanning Tree Setup Page The Spanning Tree Setup Page contains the following fields: -
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Defining Spanning Tree 131 Global Setting -
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132 CHAPTER 11: CONFIGURING SPANNING TREE Designated Root -
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Modifying Spanning Tree 133 Modifying Spanning Tree TheSpanning Tree Modify Page contains information for modifying Spanning Tree parameters. Monitor users have no access to this page. To modify Spanning Tree: 1 Click Device > Spanning Tree > Modify. The Spanning Tree Modify Page opens: Figure ... -
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134 CHAPTER 11: CONFIGURING SPANNING TREE -
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12 CONFIGURING SNMP Simple Network Management Protocol (SNMP) provides a method for managing network devices. The device supports the following SNMP versions: -
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...SNMP Communities Access rights are managed by defining communities in the SNMP Communities Setup Page. When the community names are changed, access rights are also ...To define SNMP communities: 1 Click Administration > SNMP > Communities > Setup. The SNMP Communities Setup Page opens: Figure 72 SNMP ... -
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Defining SNMP Communities 137 SNMP Management -
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138 CHAPTER 12: CONFIGURING SNMP Removing SNMP Communities The SNMP Communities Remove Page allows the system manager to remove SNMP Communities. Monitor users have no access to this page. To remove SNMP communities: 1 Click Administration > SNMP > Communities > Remove. The SNMP Communities ... -
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Defining SNMP Traps 139 -
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140 CHAPTER 12: CONFIGURING SNMP The SNMP Traps Setup Page contains the following fields: -
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Removing SNMP Traps 141 The SNMP Traps Remove Page contains the following fields: -
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13 CONFIGURING QUALITY OF SERVICE Quality of Service (QoS) provides the ability to implement QoS and priority queuing within a network. For example, certain types of traffic that require minimal delay, such as Voice, Video, and real-time traffic can be assigned a high priority queue, while other ... -
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Viewing CoS Settings 143 Viewing CoS Settings The CoS Summary Page displays CoS default settings assigned to ports. To view CoS Settings: 1 Click Device > QoS > CoS > Summary. The CoS Summary Page opens: Figure 76 CoS Summary Page The CoS Summary Page contains the following fields: -
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144 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Defining CoS The CoS Setup Page contains information for enabling QoS globally. Monitor users have no ... To configure CoS Settings: 1 Click Device > QoS > CoS Setup. The CoS Setup Page opens: Figure 77 CoS Setup Page The... -
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Viewing CoS to Queue 145 Viewing CoS to Queue The CoS to Queue Summary Page contains a table that displays the CoS values mapped to traffic queues. To view CoS Values to Queues: 1 Click Device > QoS > CoS to Queue > Summary. The CoS to Queue Summary Page opens: Figure 78 CoS to Queue Summary ... -
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146 CHAPTER 13: CONFIGURING QUALITY OF SERVICE To configure CoS values to queues: 1 Click Policy > QoS General > CoS to Queue > Setup. The CoS to Queue Setup Page opens: Figure 79 CoS to Queue Setup Page The CoS to Queue Setup Page contains the following fields: -
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Viewing DSCP to Queue 147 Viewing DSCP to Queue The DSCP to Queue Summary Page contains fields for mapping DSCP settings to traffic queues. For example, a packet with a DSCP tag value of 3 can be assigned to queue 4. To view the DSCP Queue: 1 Click Device > QoS > DSCP to Queue > Summary. The ... -
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148 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Configuring DSCP Queue The DSCP to Queue Setup Page contains fields for mapping DSCP settings to traffic queues. For example, a packet with a DSCP tag value of 3 can be assigned to queue 1. The monitor user has no access to this page. ... -
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... for enabling trust on configured interfaces. The original device QoS default settings can be reassigned to the interface in the Trust Setup Page. To enable Trust: 1 ... The Trust Setup Page opens: Figure 82 Trust Setup Page The Trust Setup Page contains the following fields: -
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150 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Viewing Bandwidth Settings The Bandwidth Summary Page displays bandwidth settings for a specified interface. To view Bandwidth Settings: 1 Click Device > QoS > Bandwidth > Summary. The Bandwidth Summary Page opens: Figure 83 Bandwidth Summary Page ... -
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Defining Bandwidth Settings 151 Egress Shaping Rates -
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152 CHAPTER 13: CONFIGURING QUALITY OF SERVICE The Bandwidth Setup Page contains the following fields: Ingress Rate Limit -
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...Voice VLAN Voice VLAN allows network administrators enhance VoIP service by configuring ports to carry IP voice traffic from IP phones on... quality of voice does not deteriorate if the IP traffic is received unevenly. The system supports one Voice VLAN. There are two operational modes for IP Phones: -
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154 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Viewing Voice VLANs The Voice VLAN Summary Page contains information about the Voice VLAN currently enabled on the device, including the ports enabled and included in the Voice VLAN. To view Voice VLAN Settings: 1 Click Device > QoS > VoIP > Traffic ... -
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Defining Voice VLAN 155 -
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156 CHAPTER 13: CONFIGURING QUALITY OF SERVICE -
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Defining Voice VLAN 157 -
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158 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Viewing Voice VLAN Port Definitions The Voice VLAN Port Details Page displays the Voice VLAN port settings for specific ports. The Voice VLAN Port Details Page contains the following fields: -
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... While the last three bytes contain a unique station ID. Using the OUI, network managers can add specific manufacturer's MAC addresses to the OUI table. Once the OUIs are added, all traffic received on the Voice VLAN ports from the specific IP phone with a listed OUI, is forwarded on the voice VLAN. -
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160 CHAPTER 13: CONFIGURING QUALITY OF SERVICE To view VLAN Settings: 1 Click Device > QoS > VoIP Traffic Setting > OUI Summary. The Voice VLAN OUI Summary Page opens: Figure 89 Voice VLAN OUI Summary Page The Voice VLAN OUI Summary Page contains the following fields: OUI List -
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... can add specific manufacture's MAC addresses to the OUI table. Once the OUIs are added, all traffic received on the Voice VLAN ports from the specific IP phone with a listed OUI, is forwarded on the voice VLAN. To modify OUI Settings: 1 Click Device > QoS > VoIP Traffic Setting > OUI Modify. The ... -
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14 MANAGING SYSTEM FILES This section contains information about managing configuration files and installing and backing up switch firmware, including the following topics: Backing Up System Files Restoring Files Upgrade the Firmware Image Activating Image Files Configuration File Structure ... -
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Backing Up System Files 163 Backing Up System Files The Backup Page permits network managers to backup the system configuration to a TFTP or HTTP server. The monitor users have no access to this page. 1 To keep your currently running configuration, click the Save Configuration item on the left ... -
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164 CHAPTER 14: MANAGING SYSTEM FILES Restoring Files The Restore Page restores files from the TFTP or HTTP server. The monitor users have no access to this page. 1 Click Administration > Backup & Restore > Restore. The Restore Page opens: Figure 92 Restore Page The Restore Page contains the ... -
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Upgrade the Firmware Image 165 Upgrade the Firmware Image The Restore Image Page permits network managers to upgrade the switch firmware. -
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166 CHAPTER 14: MANAGING SYSTEM FILES Activating Image Files The Active Image Page allows network managers to select and reset the Image files. The Device Boot is downloaded onto the device through the CLI. To upload System files: 1 Click Administration > Firmware Upgrade > Active Image. The ... -
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... occurred. The system is functioning properly, but a system notice has occurred. Provides device information. Provides detailed information about the log. If a Debug error occurs, contact Customer Tech Support. Highest (0) The system is not functioning. This section includes the following topics: -
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168 CHAPTER 15: MANAGING SYSTEM LOGS Viewing Logs The Logging Display Page contains all system logs in a chronological order that are saved in RAM (Cache). The monitor user has read-only access to this feature. To view Logging: 1 Click Administration > Logging > Display. The Logging Display Page... -
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Configuring Logging 169 Configuring Logging The Logging Setup Page contains fields for defining which events are recorded to which logs.... to this page. To define Log Parameters: 1 Click Administration > Logging > Setup. The Logging Setup Page opens: Figure 96 Logging Setup Page The Logging Setup ... -
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170 CHAPTER 15: MANAGING SYSTEM LOGS -
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Configuring Logging 171 -
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16 VIEWING STATISTICS This section contains information about viewing port statistics. Viewing Port Statistics The Port Statistics Summary Page contains fields for viewing information about device utilization and errors that occurred on the device. To view RMON statistics: 1 Click Ports > ... -
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Viewing Port Statistics 173 -
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174 CHAPTER 16: VIEWING STATISTICS octet (Alignment Error) number. The field range to detect jabbers is between 20 ms and 150 ms. -
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17 MANAGING DEVICE DIAGNOSTICS This section contains information for viewing and configuring port and cable diagnostics, and includes the following topics: -
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... DIAGNOSTICS Defining Port Mirroring The Port Mirroring Setup Page contains parameters for configuring port ... mirroring: 1 Click Monitoring > Port Mirroring > Setup. The Port Mirroring Setup Page opens: Figure 98 Port Mirroring Setup Page The Port Mirroring Setup Page contains the following fields... -
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Configuring Port Mirroring 177 -
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178 CHAPTER 17: MANAGING DEVICE DIAGNOSTICS The Port Mirroring Remove Page contains the following fields: -
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Viewing Cable Diagnostics 179 The Cable Diagnostics Summary Page contains the following fields: -
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180 CHAPTER 17: MANAGING DEVICE DIAGNOSTICS To test cables: 1 Click Monitoring > Cable Diagnostics > Diagnostics. The Diagnostics Page opens: Figure 101 Diagnostics Page The Diagnostics Page contains the following fields: -
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... 3Com Network Access Manager 3Com Enterprise Management Suite Integration Kit with HP OpenView Network Node Manager Details of these and other 3Com Network Management Solutions can be found at ... all levels of experience. To find out more about 3Com Network Supervisor and to download a trial version,... -
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...how your network is performing. To find out more about how 3Com Network Director can help you manage ... VLAN, or a computer can be blocked from connecting to the network. 3Com Network Access Manager leverages the advanced desktop security capabilities of 3Com switches and wireless access points (using... -
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3Com Enterprise Management Suite 183 3Com Enterprise Management Suite 3Com Enterprise Management Suite (EMS) delivers comprehensive management that is flexible and scalable enough to meet the needs of the largest enterprises and advanced networks. This solution provides particularly powerful ... -
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...DEVICE SPECIFICATIONS AND FEATURES The 3Com® Baseline Switch 2916-SFP Plus and Baseline Switch 2924-SFP Plus have been designed to the following standards: Function 8802-3,...68) Physical Width Depth Height Weight Switch 2916-SFP Plus Switch 2924-SFP Plus Mounting 440 mm (17.3 in.) 173 mm cm (6.81... -
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... 185 Electrical Line Frequency Input Voltage Current Rating Switch 2916-SFP Plus Switch 2924-SFP Plus Maximum...SFP Plus Switch 2924-SFP Plus 50/60 Hz 100-240 Vac (auto range) 1 Amp.... The system supports the following features: Table 11 Features of the Baseline Switch 2916-SFP Plus and Switch 2924-... -
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186 APPENDIX B: DEVICE SPECIFICATIONS AND FEATURES Table 11 Features of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature Address Resolution Protocol (ARP) Description ARP converts between IP addresses and MAC (i.e., hardware) ... -
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Switch Features 187 Table 11 Features of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature MAC Address Capacity Support MAC Multicast Support Description The device supports up to 8K MAC addresses. ... -
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188 APPENDIX B: DEVICE SPECIFICATIONS AND FEATURES Table 11 Features of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature SNMP Alarms and Trap Logs SNMP Versions 1 and 2 Spanning Tree Protocol Description The system logs events ... -
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C Console Cable PIN-OUTS A Console cable is an 8-conductor RJ45-to-DB9 cable. One end of the cable has an RJ-45 plug for connecting to the switch's Console port, and the other end has a DB-9 socket connector for connecting to the serial port on the terminal, as shown in Figure 102. Figure 102 ... -
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... Null Modem Cable RJ-45 to RS-232 25-pin Switch 5500 Cable connector: RJ-45 female Screen TxD ...required for handshake PC-AT Serial Cable RJ-45 to 9-pin Switch 5500 Cable connector: RJ-45 female Screen DTR ... Modem Cable RJ-45 to RS-232 25-pin Switch 5500 Cable connector: RJ-45 female Screen TxD ... -
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Ethernet Port RJ-45 Pin Assignments 191 Ethernet Port RJ-45 Pin Assignments 10/100 and 1000BASE-T RJ-45 connections. Table 10 Pin assignments Pin Number Ports configured as MDI 1 2 3 4 5 6 7 8 Transmit Data + Transmit Data − Receive Data + Not assigned Not assigned Receive Data − Not ... -
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D TROUBLESHOOTING This section describes problems that may arise when installing the and how to resolve these issue. This section includes the following topics: -
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Troubleshooting Solutions 193 Table 12 Troubleshooting Solutions Problems Possible Cause Solution Verify that the power cord is properly connected to the switch, and to... SNMP, etc. Be sure the switch has a valid IP address, subnet mask and default gateway configured Check ... -
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194 APPENDIX D: TROUBLESHOOTING Table 12 Troubleshooting Solutions (continued) Problems Device is in a reboot loop Possible Cause Software fault Solution Download and ... LED or zoom screen in the NMS application, and change setting if necessary Lost Password Contact 3Com -
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E 3COM CLI REFERENCE GUIDE This section describes using the Command Line Interface (CLI) ... Connect the RJ-45 cable to the Console port of the switch to the serial port of the terminal or computer running ... process requires a User Name and Password. The default user name for first time configuration ... -
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196 APPENDIX E: 3COM CLI REFERENCE GUIDE 3 Press Enter. The Password prompt displays: Password: The Login information is verified, and ... by automatic logout. Concurrent CLI Sessions The command line interface supports one CLI session. CLI Commands This Command section ... -
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...command displays a list of CLI commands on the device. Syntax ? Default Configuration This command has no ...upgrade Reset the device to factory default and reboot. Configures IP address Logout from this session....echo messages Power cycles the device. Summarizes IP setup and software versions. Software ... -
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198 APPENDIX E: 3COM CLI REFERENCE GUIDE Ping The Ping command sends ICMP echo request packets to another node on the network. Syntax ping [IP address | URL| hostname] Parameters -
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.... It is intended for devices that support separate runtime and bootcode Images. Syntax summary Default Configuration This command has ... the device: Select menu option: IP Method: IP address: Subnet mask: Default gateway: Runtime version: Bootcode version: Summary Manual 1.2.3.4 255.255.255.0 4.3.2.1 ... -
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200 APPENDIX E: 3COM CLI REFERENCE GUIDE ipSetup The ipSetup command allows the user to define an IP address on the device either manually or via a DHCP server. Syntax ipSetup [dhcp| ip-address mask [default-gateway ip-address]] Parameters -
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CLI Commands 201 Upgrade The Upgrade command starts a system download and thereby allowing a system upgrade. Syntax upgrade [TFTP Server IP Address|Destination File Name| File Type] Parameters -
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202 APPENDIX E: 3COM CLI REFERENCE GUIDE Initialize The Initialize command resets the device configuration to factory defaults, including the IP configuration. ... option# initialize WARNING: This command initializes the system to factory defaults and causes a reset. Do you wish to... -
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... Commands 203 Reboot The Reboot command simulates a power cycle of the device. Syntax reboot Default Configuration This command has no default configuration. User Guidelines There are no user guidelines for this command. Example Select menu option: reboot Are ... -
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204 APPENDIX E: 3COM CLI REFERENCE GUIDE Logout The Logout command terminates the CLI session. Syntax logout Default Configuration This command has no default configuration. User Guidelines There are no user guidelines for this command. Example Select menu option: logout ... -
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... Commands 205 Password The Password command changes the user's password. Syntax password Default Configuration This command has no default configuration. User Guidelines The user needs to login to the session in order to change the password. Example Select menu ... -
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... devices, Boot Protocol (BOOTP) Class of Service (CoS) including IP address information, the address of ... boot file. CoS is supported by prioritizing packets based on the required level of service, and then placing ... port default, the packet's priority bit (in the VLAN tag), TCP/UDP port number, IP ... -
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...EAPOL) EAPOL is a client authentication protocol used by this switch to verify the network access rights for any ... to communicate across switched networks. An IEEE standard for providing quality of service (QoS) in Ethernet ... Query and IGMP Report packets transferred between IP Multicast Routers and ... -
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... local router for multicast services. If there is more than one multicast switch/router on... process whereby this switch can pass multicast traffic along to participating hosts. The Type of Service ... are mapped one-to-one to the Class of Service categories by default, but may be configured differently ... -
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... A process whereby the switch filters incoming multicast frames for services for which no attached ...data on a target port is mirrored to a monitor port for troubleshooting with a logic analyzer or RMON probe. This allows... path forwarding. PIM uses the router's IP routing table rather than maintaining... -
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... data connections between management clients and the switch. The RIP protocol seeks to find the shortest route ... UDP provides a datagram mode for packet-switched communications. It uses IP as the underlying transport mechanism to provide access to IP-like services. UDP packets are delivered just like... -
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211 Virtual LAN (VLAN) A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network. A VLAN serves as a logical workgroup with no physical barriers, and allows users to share information and resources ... -
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...services through eSupport.3com.com. You must have a user name and password to access these services, which are...http://eSupport.3com.com/ 3Com eSupport services are based on accounts that are created or that you are authorized to access. Solve Problems Online 3Com offers the following support tool: -
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...Contact your authorized 3Com reseller or 3Com for additional product and support information. See ... or Guardian contract, a Software Upgrades contract, or an equivalent support contract from 3Com or your reseller. .... To obtain telephone support as part of your warranty and other service benefits, you ... -
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214 APPENDIX G: OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS To send a product directly to 3Com for repair,...and under warranty, you can obtain an RMA number online at http://eSupport.3com.... obtain non-urgent support in this region at this email address apr_technical_support@3com.com Or request a return ... -
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... support in this region using this URL: http://emea.3com.com/support/email.html You can ... these email addresses: Technical support and general requests: customer_support@3com.com Return material ...3com.com Contract requests: emea_contract@3com.com Latin America - Telephone Technical Support and Repair ... -
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... frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. Operation of ...: How to Identify and Resolve Radio-TV Interference Problems This booklet is available from the U.S. Government Printing Office, Washington, DC ...