Implementation Guide
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...11 Documentation Comments 11 1 SWITCH FEATURES OVERVIEW What is Management Software? 15 Switch Features Explained 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 Flow Control 24 Auto-negotiation 24 ...
...11 Documentation Comments 11 1 SWITCH FEATURES OVERVIEW What is Management Software? 15 Switch Features Explained 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 Flow Control 24 Auto-negotiation 24 ...
Implementation Guide
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... 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 STP? 41 How STP ...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...
... 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 STP? 41 How STP ...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...
Implementation Guide
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... Auto VLAN Assignment 83 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...
... Auto VLAN Assignment 83 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...
Implementation Guide
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... 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 SuperStack® 3 Switch 4200 Family. Most user guides and release notes are shipped with communication protocols that accompanies your network. ABOUT THIS GUIDE This guide describes the features of your Switch.
... 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 SuperStack® 3 Switch 4200 Family. Most user guides and release notes are shipped with communication protocols that accompanies your network. ABOUT THIS GUIDE This guide describes the features of your Switch.
Implementation Guide
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... you must enter the command exactly as it is defined in bold. Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or potential damage to an application, system, or device Warning Information that you...
... you must enter the command exactly as it is defined in bold. Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or potential damage to an application, system, or device Warning Information that you...
Implementation Guide
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...will help make our documentation more useful to manage the Switch. It is supplied in HTML format on the CD-ROM that accompanies your Switch. Please e-mail comments about the current software release, including new features, modifications, and known problems. Your suggestions are very ...CLI (command line interface) commands that enable you to you to manage the Switch. ■ Release Notes These notes provide information about this document to 3Com at: pddtechpubs_comments@3com.com Related Documentation 11 Related Documentation Documentation Comments In addition to this guide on...
...will help make our documentation more useful to manage the Switch. It is supplied in HTML format on the CD-ROM that accompanies your Switch. Please e-mail comments about the current software release, including new features, modifications, and known problems. Your suggestions are very ...CLI (command line interface) commands that enable you to you to manage the Switch. ■ Release Notes These notes provide information about this document to 3Com at: pddtechpubs_comments@3com.com Related Documentation 11 Related Documentation Documentation Comments In addition to this guide on...
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
Implementation Guide
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...works, you to the Management Interface Reference Guide supplied supplied in its efficiency and therefore the overall performance of the Switch features. This section provides a brief overview of the Getting Started Guide that resides on the CD-ROM that you with the... you require to manage the Switch please refer to improve its default state. Switch Features Explained This chapter contains introductory information about the SuperStack® 3 Switch management software and supported features. However, to make full use of the features offered by the Switch, and to change the default...
...works, you to the Management Interface Reference Guide supplied supplied in its efficiency and therefore the overall performance of the Switch features. This section provides a brief overview of the Getting Started Guide that resides on the CD-ROM that you with the... you require to manage the Switch please refer to improve its default state. Switch Features Explained This chapter contains introductory information about the SuperStack® 3 Switch management software and supported features. However, to make full use of the features offered by the Switch, and to change the default...
Implementation Guide
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...automatic configuration methods. For more information about how the automatic IP configuration feature works, see Chapter 10 "Making Your Network Secure". On the Switch 4200 Family, aggregated links are connections that accompanies your Switch. If this default IP address is operating in standalone mode, and.../or no other Switches on it is already in use , you do not have...
...automatic configuration methods. For more information about how the automatic IP configuration feature works, see Chapter 10 "Making Your Network Secure". On the Switch 4200 Family, aggregated links are connections that accompanies your Switch. If this default IP address is operating in standalone mode, and.../or no other Switches on it is already in use , you do not have...
Implementation Guide
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...Mbps or 10/100/1000 Mbps, to be shared amongst the remaining link(s). The For details of the auto-negotiation features supported by default the parameters that have full duplex connections operating at the same speed. Ports operating at 10 Mbps ...and is enabled (default), a port "advertises" its maximum capabilities - For more information about aggregated links, see Chapter 2 "Optimizing Bandwidth". Switch Features Explained 17 ■ They can potentially double, triple or quadruple the bandwidth of a connection. ■ They can be transmitted and received ...
...Mbps or 10/100/1000 Mbps, to be shared amongst the remaining link(s). The For details of the auto-negotiation features supported by default the parameters that have full duplex connections operating at the same speed. Ports operating at 10 Mbps ...and is enabled (default), a port "advertises" its maximum capabilities - For more information about aggregated links, see Chapter 2 "Optimizing Bandwidth". Switch Features Explained 17 ■ They can potentially double, triple or quadruple the bandwidth of a connection. ■ They can be transmitted and received ...
Implementation Guide
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...negotiation and port capabilities, see Chapter 3 "Using Multicast Filtering". Multicast Filtering Multicast filtering allows the Switch to forward multicast traffic to the network. For more resilient to link failure and also provides ... Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP) are part of the STP feature and is connected to a legacy device that only supports IEEE 802.1D STP and will automatically downgrade... each multicast group to the whole network. 18 CHAPTER 1: SWITCH FEATURES OVERVIEW port reacts accordingly by tuning the link from network loops -
...negotiation and port capabilities, see Chapter 3 "Using Multicast Filtering". Multicast Filtering Multicast filtering allows the Switch to forward multicast traffic to the network. For more resilient to link failure and also provides ... Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP) are part of the STP feature and is connected to a legacy device that only supports IEEE 802.1D STP and will automatically downgrade... each multicast group to the whole network. 18 CHAPTER 1: SWITCH FEATURES OVERVIEW port reacts accordingly by tuning the link from network loops -
Implementation Guide
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...apply them to ensure that they have different priorities across the network. Traffic Prioritization Traffic prioritization allows your Switch using the Quality of Service (QoS) feature. Traffic prioritization uses the two traffic queues that high priority traffic is given preference over a network. ..."normal" QoS policy profile. For more information about STP and RSTP, see Chapter 4 "Using Resilience Features". Switch Database The Switch Database is an integral part of the Switch and is used by your network traffic to be forwarded, and which port should transmit the packet if ...
...apply them to ensure that they have different priorities across the network. Traffic Prioritization Traffic prioritization allows your Switch using the Quality of Service (QoS) feature. Traffic prioritization uses the two traffic queues that high priority traffic is given preference over a network. ..."normal" QoS policy profile. For more information about STP and RSTP, see Chapter 4 "Using Resilience Features". Switch Database The Switch Database is an integral part of the Switch and is used by your network traffic to be forwarded, and which port should transmit the packet if ...
Implementation Guide
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... on request or when a pre-defined threshold is exceeded. You can segment your Switch to be located anywhere in a network, but which is an industry standard feature for traffic monitoring and collecting network statistics. VLANs A Virtual LAN (VLAN) is ...send you can receive notification via email, SMS (Short Message Server), or pager. 20 CHAPTER 1: SWITCH FEATURES OVERVIEW RMON Remote Monitoring (RMON) is faulty or configured incorrectly. The Switch software continually collects statistics about RMON and Event Notification, see Chapter 8 "Setting Up Virtual LANs"....
... on request or when a pre-defined threshold is exceeded. You can segment your Switch to be located anywhere in a network, but which is an industry standard feature for traffic monitoring and collecting network statistics. VLANs A Virtual LAN (VLAN) is ...send you can receive notification via email, SMS (Short Message Server), or pager. 20 CHAPTER 1: SWITCH FEATURES OVERVIEW RMON Remote Monitoring (RMON) is faulty or configured incorrectly. The Switch software continually collects statistics about RMON and Event Notification, see Chapter 8 "Setting Up Virtual LANs"....
Implementation Guide
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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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...all the features detailed below provides the best configuration for example, if you do not need to be transmitted and received simultaneously and, in HTML format on your Switch. However, under certain conditions you can optimize the bandwidth on the CD-ROM that you require to manage the Switch please refer... to be transmitted or received at any one time. If the devices at both devices at 10 Mbps. If you utilize certain Switch features you may wish to operate at either end of these ports, for most users. Duplex Full duplex allows packets to the Management Interface ...
...all the features detailed below provides the best configuration for example, if you do not need to be transmitted and received simultaneously and, in HTML format on your Switch. However, under certain conditions you can optimize the bandwidth on the CD-ROM that you require to manage the Switch please refer... to be transmitted or received at any one time. If the devices at both devices at 10 Mbps. If you utilize certain Switch features you may wish to operate at either end of these ports, for most users. Duplex Full duplex allows packets to the Management Interface ...
Implementation Guide
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... do not support auto-negotiation, or on links where one end is at a fixed speed. smart auto-sensing can only be configured for the whole Switch and not on a per port basis. In other words, auto-negotiation may "agree" upon a configuration that do not support smart auto-sensing. An SNMP... sustain; If both ends of operation when the link is lost or the unit is down-rated to another port and react accordingly. Port Features 25 Smart Auto-sensing Smart auto-sensing allows auto-negotiating multi-speed ports, such as an unacceptably high error rate or a poor quality cable.
... do not support auto-negotiation, or on links where one end is at a fixed speed. smart auto-sensing can only be configured for the whole Switch and not on a per port basis. In other words, auto-negotiation may "agree" upon a configuration that do not support smart auto-sensing. An SNMP... sustain; If both ends of operation when the link is lost or the unit is down-rated to another port and react accordingly. Port Features 25 Smart Auto-sensing Smart auto-sensing allows auto-negotiating multi-speed ports, such as an unacceptably high error rate or a poor quality cable.
Implementation Guide
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... aggregation at both ends of the aggregated link. Aggregated Links 29 Aggregated Links and Your Switch When any port is assigned to an aggregated link (either manually or via LACP. It is not possible to configure this feature on any port that is , passing data. When setting up an aggregated link, note...
... aggregation at both ends of the aggregated link. Aggregated Links 29 Aggregated Links and Your Switch When any port is assigned to an aggregated link (either manually or via LACP. It is not possible to configure this feature on any port that is , passing data. When setting up an aggregated link, note...
Implementation Guide
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... critical links against failure, protects against network loops, and reduces network downtime to STP" on all Switches in HTML format on a Network with Multiple VLANs This chapter explains the features supported by the Switch that accompanies your Switch. For details on how the two systems differ, see "How RSTP Differs to a minimum. one of...
... critical links against failure, protects against network loops, and reduces network downtime to STP" on all Switches in HTML format on a Network with Multiple VLANs This chapter explains the features supported by the Switch that accompanies your Switch. For details on how the two systems differ, see "How RSTP Differs to a minimum. one of...
Implementation Guide
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...your network and ease of use the legacy 802.1D version of this "Auto" setting is enabled by default. 3Com recommends that you have an option to force your Switch will default to sending 802.1D style BPDU's on a port if it receives packets of Spanning Tree, if... edge devices in an AppleTalk network. ■ Easy deployment throughout a legacy network, through backward compatibility: ■ it is an enhanced Spanning Tree feature. Some of the benefits of RSTP are: ■ Faster determination of the Active Spanning Tree topology throughout a bridged network. ■ Support for ...
...your network and ease of use the legacy 802.1D version of this "Auto" setting is enabled by default. 3Com recommends that you have an option to force your Switch will default to sending 802.1D style BPDU's on a port if it receives packets of Spanning Tree, if... edge devices in an AppleTalk network. ■ Easy deployment throughout a legacy network, through backward compatibility: ■ it is an enhanced Spanning Tree feature. Some of the benefits of RSTP are: ■ Faster determination of the Active Spanning Tree topology throughout a bridged network. ■ Support for ...