Implementation Guide
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DUA1730-0BAA03 Published June 2005 SuperStack® 3 Switch 4200 Family Implementation Guide Generic guide for units in the SuperStack 3 Switch 4200 Family: 3C17300 3C17302 3C17304 3C17300A 3C17302A 3C17304A http://www.3com.com/ Part No.
DUA1730-0BAA03 Published June 2005 SuperStack® 3 Switch 4200 Family Implementation Guide Generic guide for units in the SuperStack 3 Switch 4200 Family: 3C17300 3C17302 3C17304 3C17300A 3C17302A 3C17304A http://www.3com.com/ Part No.
Implementation Guide
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... 15 Automatic IP Configuration 16 Security 16 Aggregated Links 16 Auto-negotiation 17 Multicast Filtering 18 Spanning Tree Protocol and Rapid Spanning Tree Protocol 18 Switch Database 19 Traffic Prioritization 19 RMON 20 Broadcast Storm Control 20 VLANs 20 Configuration Save and Restore 20 2 OPTIMIZING BANDWIDTH Port Features 23 Duplex 23...
... 15 Automatic IP Configuration 16 Security 16 Aggregated Links 16 Auto-negotiation 17 Multicast Filtering 18 Spanning Tree Protocol and Rapid Spanning Tree Protocol 18 Switch Database 19 Traffic Prioritization 19 RMON 20 Broadcast Storm Control 20 VLANs 20 Configuration Save and Restore 20 2 OPTIMIZING BANDWIDTH Port Features 23 Duplex 23...
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... Example 32 3 USING MULTICAST FILTERING What is an IP Multicast? 33 Benefits of Multicast 34 Multicast Filtering 34 Multicast Filtering and Your Switch 35 IGMP Multicast Filtering 36 4 USING RESILIENCE FEATURES Spanning Tree Protocol (STP) 39 Rapid Spanning Tree Protocol (RSTP) 40 What is... Example 45 STP Configurations 46 Using STP on a Network with Multiple VLANs 48 5 USING THE SWITCH DATABASE What is the Switch Database? 49 How Switch Database Entries Get Added 49 Switch Database Entry States 50 6 USING TRAFFIC PRIORITIZATION What is Traffic Prioritization? 51 How Traffic Prioritization Works...
... Example 32 3 USING MULTICAST FILTERING What is an IP Multicast? 33 Benefits of Multicast 34 Multicast Filtering 34 Multicast Filtering and Your Switch 35 IGMP Multicast Filtering 36 4 USING RESILIENCE FEATURES Spanning Tree Protocol (STP) 39 Rapid Spanning Tree Protocol (RSTP) 40 What is... Example 45 STP Configurations 46 Using STP on a Network with Multiple VLANs 48 5 USING THE SWITCH DATABASE What is the Switch Database? 49 How Switch Database Entries Get Added 49 Switch Database Entry States 50 6 USING TRAFFIC PRIORITIZATION What is Traffic Prioritization? 51 How Traffic Prioritization Works...
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...The Audit Log 62 Email Notification of Events 62 8 SETTING UP VIRTUAL LANS What are VLANs? 65 Benefits of VLANs 66 VLANs and Your Switch 67 The Default VLAN 67 Communication Between VLANs 67 Creating New VLANs 68 VLANs: Tagged and Untagged Membership 68 Placing a Port in a ...Single VLAN 69 VLAN Configuration Examples 70 Using Untagged Connections 70 Using 802.1Q Tagged Connections 71 9 USING AUTOMATIC IP CONFIGURATION How Your Switch Obtains IP Information 74 How Automatic IP Configuration Works 74 Automatic Process 75 Important Considerations 76 Event Log Entries and Traps 76 10 MAKING YOUR...
...The Audit Log 62 Email Notification of Events 62 8 SETTING UP VIRTUAL LANS What are VLANs? 65 Benefits of VLANs 66 VLANs and Your Switch 67 The Default VLAN 67 Communication Between VLANs 67 Creating New VLANs 68 VLANs: Tagged and Untagged Membership 68 Placing a Port in a ...Single VLAN 69 VLAN Configuration Examples 70 Using Untagged Connections 70 Using 802.1Q Tagged Connections 71 9 USING AUTOMATIC IP CONFIGURATION How Your Switch Obtains IP Information 74 How Automatic IP Configuration Works 74 Automatic Process 75 Important Considerations 76 Event Log Entries and Traps 76 10 MAKING YOUR...
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...Important Considerations 83 What is Disconnect Unauthorized Device (DUD)? 85 How DUD Works 85 What is RADIUS? 85 11 USING SWITCH CONFIGURATION FEATURES Configuration Save and Restore 87 Upgrading Management Software 89 A CONFIGURATION RULES Configuration Rules for Gigabit Ethernet 93 Configuration ...Rules for Fast Ethernet 94 Configuration Rules with Full Duplex 95 B NETWORK CONFIGURATION EXAMPLES Simple Network Configuration Examples 98 Desktop Switch Example 98 Advanced Network Configuration Examples 99 Improving the Performance and Resilience of Your Network 99 C IP ADDRESSING IP Addresses ...
...Important Considerations 83 What is Disconnect Unauthorized Device (DUD)? 85 How DUD Works 85 What is RADIUS? 85 11 USING SWITCH CONFIGURATION FEATURES Configuration Save and Restore 87 Upgrading Management Software 89 A CONFIGURATION RULES Configuration Rules for Gigabit Ethernet 93 Configuration ...Rules for Fast Ethernet 94 Configuration Rules with Full Duplex 95 B NETWORK CONFIGURATION EXAMPLES Simple Network Configuration Examples 98 Desktop Switch Example 98 Advanced Network Configuration Examples 99 Improving the Performance and Resilience of Your Network 99 C IP ADDRESSING IP Addresses ...
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... refer to the Management Interface Reference Guide supplied in HTML format on the 3Com World Wide Web site: http://www.3com.com/ Please note that when this Guide states "the Switch", this guide, follow the instructions in the release notes. ABOUT THIS GUIDE This guide describes the features of ...from the information in this is responsible for the system or network administrator who is a reference to all units in the SuperStack® 3 Switch 4200 Family. It outlines how to use these features to interconnect LANs. If release notes are used to optimize the performance of the units in ...
... refer to the Management Interface Reference Guide supplied in HTML format on the 3Com World Wide Web site: http://www.3com.com/ Please note that when this Guide states "the Switch", this guide, follow the instructions in the release notes. ABOUT THIS GUIDE This guide describes the features of ...from the information in this is responsible for the system or network administrator who is a reference to all units in the SuperStack® 3 Switch 4200 Family. It outlines how to use these features to interconnect LANs. If release notes are used to optimize the performance of the units in ...
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... more useful to you to manage the Switch. ■ Release Notes These notes provide information about the current software release, including new features, modifications, and known problems. Your suggestions are very important to us. Please e-mail comments about the web interface...guide on how to access the management software to begin managing the Switch. ■ Management Interface Reference Guide This guide contains information about this document to 3Com at: pddtechpubs_comments@3com.com Related Documentation 11 Related Documentation Documentation Comments In addition to this...
... more useful to you to manage the Switch. ■ Release Notes These notes provide information about the current software release, including new features, modifications, and known problems. Your suggestions are very important to us. Please e-mail comments about the web interface...guide on how to access the management software to begin managing the Switch. ■ Management Interface Reference Guide This guide contains information about this document to 3Com at: pddtechpubs_comments@3com.com Related Documentation 11 Related Documentation Documentation Comments In addition to this...
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Questions related to technical support or sales should be directed in the first instance to comments and questions about 3Com product documentation at this e-mail address. 12 ABOUT THIS GUIDE Please include the following information when contacting us: ■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate) Example: ■ SuperStack 3 Switch Implementation Guide ■ Part number: DUA1730-0BAA0x ■ Page 25 Please note that we can only respond to your network supplier.
Questions related to technical support or sales should be directed in the first instance to comments and questions about 3Com product documentation at this e-mail address. 12 ABOUT THIS GUIDE Please include the following information when contacting us: ■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate) Example: ■ SuperStack 3 Switch Implementation Guide ■ Part number: DUA1730-0BAA0x ■ Page 25 Please note that we can only respond to your network supplier.
Implementation Guide
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I SWITCH FEATURES Chapter 1 Switch Features Overview Chapter 2 Optimizing Bandwidth Chapter 3 Using Multicast Filtering Chapter 4 Using Resilience Features Chapter 5 Using the Switch Database Chapter 6 Using Traffic Prioritization Chapter 7 Status Monitoring and Statistics Chapter 8 Setting Up Virtual LANs Chapter 9 Using Automatic IP Configuration Chapter 10 Making Your Network Secure Chapter 11 IP Addressing
I SWITCH FEATURES Chapter 1 Switch Features Overview Chapter 2 Optimizing Bandwidth Chapter 3 Using Multicast Filtering Chapter 4 Using Resilience Features Chapter 5 Using the Switch Database Chapter 6 Using Traffic Prioritization Chapter 7 Status Monitoring and Statistics Chapter 8 Setting Up Virtual LANs Chapter 9 Using Automatic IP Configuration Chapter 10 Making Your Network Secure Chapter 11 IP Addressing
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... change and monitor the way it works, you have to make full use of the Switch features. It covers the following topics: ■ What is Management Software? ■ Switch Features Explained For detailed descriptions of accessing the management software to the Management Interface Reference Guide... commands that you to improve its default state. their applications are explained in this guide. Your Switch can help you require to manage the Switch please refer to manage the Switch. These methods are explained in more detail later in Chapter 3 of the Getting Started Guide that ...
... change and monitor the way it works, you have to make full use of the Switch features. It covers the following topics: ■ What is Management Software? ■ Switch Features Explained For detailed descriptions of accessing the management software to the Management Interface Reference Guide... commands that you to improve its default state. their applications are explained in this guide. Your Switch can help you require to manage the Switch please refer to manage the Switch. These methods are explained in more detail later in Chapter 3 of the Getting Started Guide that ...
Implementation Guide
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... Chapter 9 "Using Automatic IP Configuration". If this default IP address is operating in standalone mode, and/or no other Switches on the network have to allocate the Switch IP information: ■ Dynamic Host Configuration Protocol (DHCP) ■ Auto-IP - disables a port if an unauthorized ...of use, you do not have this and configures itself with its default IP address 169.254.100.100 if it . On the Switch 4200 Family, aggregated links are connections that accompanies your network: ■ Network Login - uses a device MAC address for authentication against unauthorized ...
... Chapter 9 "Using Automatic IP Configuration". If this default IP address is operating in standalone mode, and/or no other Switches on the network have to allocate the Switch IP information: ■ Dynamic Host Configuration Protocol (DHCP) ■ Auto-IP - disables a port if an unauthorized ...of use, you do not have this and configures itself with its default IP address 169.254.100.100 if it . On the Switch 4200 Family, aggregated links are connections that accompanies your network: ■ Network Login - uses a device MAC address for authentication against unauthorized ...
Implementation Guide
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... the IEEE 802.3x standard on the network. Duplex Full duplex mode allows packets to -server) that accompanies your Switch. Your Switch supports the IEEE 802.3ad Link Aggregation Control Protocol (LACP). Smart Auto-sensing Smart auto-sensing allows auto-negotiating multi...be transmitted and received simultaneously and, in full duplex mode. This provides automatic, point-to-point redundancy between two devices (switch-to-switch or switch-to be shared amongst the remaining link(s). Flow control is supported on the CD-ROM that have full duplex connections operating...
... the IEEE 802.3x standard on the network. Duplex Full duplex mode allows packets to -server) that accompanies your Switch. Your Switch supports the IEEE 802.3ad Link Aggregation Control Protocol (LACP). Smart Auto-sensing Smart auto-sensing allows auto-negotiating multi...be transmitted and received simultaneously and, in full duplex mode. This provides automatic, point-to-point redundancy between two devices (switch-to-switch or switch-to be shared amongst the remaining link(s). Flow control is supported on the CD-ROM that have full duplex connections operating...
Implementation Guide
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...the IEEE 802.1w standard. RSTP can restore a network connection quicker than broadcasting the traffic to the whole network. 18 CHAPTER 1: SWITCH FEATURES OVERVIEW port reacts accordingly by tuning the link from network loops - RSTP can detect if it is connected to a legacy ... to: ■ Discover the efficiency of each path. ■ Enable the most efficient path fails. Multicast Filtering Multicast filtering allows the Switch to forward multicast traffic to the network. one of a predefined multicast group, rather than the STP feature. For more resilient to link...
...the IEEE 802.1w standard. RSTP can restore a network connection quicker than broadcasting the traffic to the whole network. 18 CHAPTER 1: SWITCH FEATURES OVERVIEW port reacts accordingly by tuning the link from network loops - RSTP can detect if it is connected to a legacy ... to: ■ Discover the efficiency of each path. ■ Enable the most efficient path fails. Multicast Filtering Multicast filtering allows the Switch to forward multicast traffic to the network. one of a predefined multicast group, rather than the STP feature. For more resilient to link...
Implementation Guide
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...that high priority traffic is forwarded on a different queue from lower priority traffic. For more information about Quality of the Switch and is used by the Switch to determine if a packet should be forwarded, and which port should transmit the packet if it is assigned the ..."normal" QoS policy profile. By default, all traffic is to specify service levels for different traffic classifications. Switch Database The Switch Database is transferred smoothly and with the relevant sections of the IEEE 802.1D/D17 standard (incorporating IEEE 802.1p). Traffic ...
...that high priority traffic is forwarded on a different queue from lower priority traffic. For more information about Quality of the Switch and is used by the Switch to determine if a packet should be forwarded, and which port should transmit the packet if it is assigned the ..."normal" QoS policy profile. By default, all traffic is to specify service levels for different traffic classifications. Switch Database The Switch Database is transferred smoothly and with the relevant sections of the IEEE 802.1D/D17 standard (incorporating IEEE 802.1p). Traffic ...
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... standard feature for traffic monitoring and collecting network statistics. Configuration Save and Restore Configuration Save and Restore allows the configuration of your Switch to : ■ Departmental groups ■ Hierarchical groups ■ Usage groups For more information about VLANs, see Chapter 7 ...which is a system that monitors the level of traditional network design. If the broadcast traffic level rises to the Switch. 20 CHAPTER 1: SWITCH FEATURES OVERVIEW RMON Remote Monitoring (RMON) is blocked until the broadcast traffic level drops below the threshold. You can...
... standard feature for traffic monitoring and collecting network statistics. Configuration Save and Restore Configuration Save and Restore allows the configuration of your Switch to : ■ Departmental groups ■ Hierarchical groups ■ Usage groups For more information about VLANs, see Chapter 7 ...which is a system that monitors the level of traditional network design. If the broadcast traffic level rises to the Switch. 20 CHAPTER 1: SWITCH FEATURES OVERVIEW RMON Remote Monitoring (RMON) is blocked until the broadcast traffic level drops below the threshold. You can...
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Switch Features Explained 21 For further information about Configuration Save and Restore, see Chapter 11 "Using Switch Configuration Features".
Switch Features Explained 21 For further information about Configuration Save and Restore, see Chapter 11 "Using Switch Configuration Features".
Implementation Guide
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...these ports, for most users. In normal operation, you do not need to be transmitted and received simultaneously and, in HTML format on your Switch. Duplex Full duplex allows packets to alter the default state of a link support auto-negotiation, this is done automatically. 2 OPTIMIZING BANDWIDTH There ... if you can optimize the bandwidth on the CD-ROM that you require to manage the Switch please refer to operate at both devices at any one time. If you utilize certain Switch features you want to force a port to the Management Interface Reference Guide supplied in effect,...
...these ports, for most users. In normal operation, you do not need to be transmitted and received simultaneously and, in HTML format on your Switch. Duplex Full duplex allows packets to alter the default state of a link support auto-negotiation, this is done automatically. 2 OPTIMIZING BANDWIDTH There ... if you can optimize the bandwidth on the CD-ROM that you require to manage the Switch please refer to operate at both devices at any one time. If you utilize certain Switch features you want to force a port to the Management Interface Reference Guide supplied in effect,...
Implementation Guide
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...full duplex mode only. You can disable auto-negotiation on all fixed ports on the Switch, or on the Switch. Flow control minimizes packet loss by the port. You can modify the capabilities that accompanies your Switch. When auto-negotiation is a mechanism that a port "advertises" on a per port ...basis, dependent on the type of port. Flow Control All Switch ports support flow control, which is enabled (default), a port "advertises" its maximum capabilities - You can also modify the capabilities that ...
...full duplex mode only. You can disable auto-negotiation on all fixed ports on the Switch, or on the Switch. Flow control minimizes packet loss by the port. You can modify the capabilities that accompanies your Switch. When auto-negotiation is a mechanism that a port "advertises" on a per port ...basis, dependent on the type of port. Flow Control All Switch ports support flow control, which is enabled (default), a port "advertises" its maximum capabilities - You can also modify the capabilities that ...
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... ends of operation when the link is lost or the unit is power cycled. ■ Smart auto-sensing can only be configured for the whole Switch and not on a link, or a problem in the "physical" interconnection to another port and react accordingly. Port Features 25 Smart Auto-sensing Smart auto-sensing...
... ends of operation when the link is lost or the unit is power cycled. ■ Smart auto-sensing can only be configured for the whole Switch and not on a link, or a problem in the "physical" interconnection to another port and react accordingly. Port Features 25 Smart Auto-sensing Smart auto-sensing...