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D STANDARDS SUPPORTED GLOSSARY INDEX
D STANDARDS SUPPORTED GLOSSARY INDEX
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... about this guide on the CD-ROM that accompanies your Switch. ■ Management Quick Reference Guide You can find this document to 3Com at: pddtechpubs_comments@3com.com Supplied in HTML format on the CD-ROM that accompanies your Switch. Related Documentation 11 Related Documentation Documentation Comments In addition to...problems. Your suggestions are very important to you. It is supplied in PDF format, this guide contains: ■ A list of the features supported by the Switch ■ A summary of the web interface operations and CLI commands that enable you to manage the...
... about this guide on the CD-ROM that accompanies your Switch. ■ Management Quick Reference Guide You can find this document to 3Com at: pddtechpubs_comments@3com.com Supplied in HTML format on the CD-ROM that accompanies your Switch. Related Documentation 11 Related Documentation Documentation Comments In addition to...problems. Your suggestions are very important to you. It is supplied in PDF format, this guide contains: ■ A list of the features supported by the Switch ■ A summary of the web interface operations and CLI commands that enable you to manage the...
Implementation Guide
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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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... that resides on the CD-ROM that accompanies your Switch. There are explained in more detail later in Chapter 3 of the Switch features. 1 SWITCH FEATURES OVERVIEW What is known as managing the Switch. The management software provides you with the capability to... default state of some of the Getting Started Guide that accompanies your network. Switch Features Explained This chapter contains introductory information about the SuperStack® 3 Switch management software and supported features. their applications are several different methods of these features - This is Management...
... that resides on the CD-ROM that accompanies your Switch. There are explained in more detail later in Chapter 3 of the Switch features. 1 SWITCH FEATURES OVERVIEW What is known as managing the Switch. The management software provides you with the capability to... default state of some of the Getting Started Guide that accompanies your network. Switch Features Explained This chapter contains introductory information about the SuperStack® 3 Switch management software and supported features. their applications are several different methods of these features - This is Management...
Implementation Guide
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.... disables a port if an unauthorized device transmits data on the 10/100/1000 Mbps ports and the GBIC or SFP ports. On the Switch 4200 Family, aggregated links are connections that accompanies your network: ■ Network Login - It uses the following security features, which guard against ... for authentication against unauthorized users connecting devices to the Management Quick Reference Guide supplied in a specified order. Aggregated Links Aggregated links are supported on it is already in use , you do not have to four links in the range 169.254.1.0 to 169.254.254....
.... disables a port if an unauthorized device transmits data on the 10/100/1000 Mbps ports and the GBIC or SFP ports. On the Switch 4200 Family, aggregated links are connections that accompanies your network: ■ Network Login - It uses the following security features, which guard against ... for authentication against unauthorized users connecting devices to the Management Quick Reference Guide supplied in a specified order. Aggregated Links Aggregated links are supported on it is already in use , you do not have to four links in the range 169.254.1.0 to 169.254.254....
Implementation Guide
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... allows ports to auto-negotiate port speed, duplex-mode (only at 1000 Mbps only support full duplex mode. Flow Control All Switch ports support flow control, which is supported on ports operating in effect, doubles the potential throughput of congestion on ports operating in... ■ They can provide redundancy - This provides automatic, point-to-point redundancy between two devices (switch-to-switch or switch-to-server) that provide the highest performance supported by the port. if one link is broken, the traffic load can be transmitted and received simultaneously and...
... allows ports to auto-negotiate port speed, duplex-mode (only at 1000 Mbps only support full duplex mode. Flow Control All Switch ports support flow control, which is supported on ports operating in effect, doubles the potential throughput of congestion on ports operating in... ■ They can provide redundancy - This provides automatic, point-to-point redundancy between two devices (switch-to-switch or switch-to-server) that provide the highest performance supported by the port. if one link is broken, the traffic load can be transmitted and received simultaneously and...
Implementation Guide
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... enhanced version of the STP feature and is connected to a legacy device that only supports IEEE 802.1D STP and will automatically downgrade to STP on that particular port. 18 CHAPTER 1: SWITCH FEATURES OVERVIEW port reacts accordingly by your network more resilient to link failure and also... provides protection from its higher speed to the lower supported speed to provide an error-free connection to the whole network...
... enhanced version of the STP feature and is connected to a legacy device that only supports IEEE 802.1D STP and will automatically downgrade to STP on that particular port. 18 CHAPTER 1: SWITCH FEATURES OVERVIEW port reacts accordingly by your network more resilient to link failure and also... provides protection from its higher speed to the lower supported speed to provide an error-free connection to the whole network...
Implementation Guide
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... is transferred smoothly and with the relevant sections of service. The traffic prioritization feature supported by using layer 2 information, is given preference over a network. If needed, you can be prioritized to be taken one step further by your Switch using the Quality of Service (QoS) feature. Traffic prioritization uses the two traffic...
... is transferred smoothly and with the relevant sections of service. The traffic prioritization feature supported by using layer 2 information, is given preference over a network. If needed, you can be prioritized to be taken one step further by your Switch using the Quality of Service (QoS) feature. Traffic prioritization uses the two traffic...
Implementation Guide
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...both ends of a link must use the same duplex mode. If you utilize certain Switch features you can optimize the bandwidth on the CD-ROM that you require to manage the Switch please refer to the Management Interface Reference Guide supplied in effect, doubles the potential throughput...the command line interface (CLI) commands that accompanies your network and improve network performance. If the devices at either end of a link support auto-negotiation, this is done automatically. Duplex Full duplex allows packets to operate at any one time. In normal operation, you want ...
...both ends of a link must use the same duplex mode. If you utilize certain Switch features you can optimize the bandwidth on the CD-ROM that you require to manage the Switch please refer to the Management Interface Reference Guide supplied in effect, doubles the potential throughput...the command line interface (CLI) commands that accompanies your network and improve network performance. If the devices at either end of a link support auto-negotiation, this is done automatically. Duplex Full duplex allows packets to operate at any one time. In normal operation, you want ...
Implementation Guide
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...traffic to an already overloaded port on ports operating in auto-MDIX mode. You can also modify the capabilities that accompanies your Switch. Ports operating at 1000 Mbps support full duplex mode only. Therefore, if you wish to disable auto-negotiation you must be manually set to auto-negotiate. ...Flow Control All Switch ports support flow control, which is cross-over or straight-through, for the type of device you have the correct type of cable, that is...
...traffic to an already overloaded port on ports operating in auto-MDIX mode. You can also modify the capabilities that accompanies your Switch. Ports operating at 1000 Mbps support full duplex mode only. Therefore, if you wish to disable auto-negotiation you must be manually set to auto-negotiate. ...Flow Control All Switch ports support flow control, which is cross-over or straight-through, for the type of device you have the correct type of cable, that is...
Implementation Guide
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... SNMP Trap is sent every time a port is down-rated to the higher speed of the link support 100/1000 Mbps auto-negotiation, then auto-sensing tunes the link to 100 Mbps to provide an error...Mbps connection to another port and react accordingly. The link will not operate on links that do not support smart auto-sensing. Conditions that the cable cannot sustain; If both ends of operation when the link ...where one end 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 the network. For ...
... SNMP Trap is sent every time a port is down-rated to the higher speed of the link support 100/1000 Mbps auto-negotiation, then auto-sensing tunes the link to 100 Mbps to provide an error...Mbps connection to another port and react accordingly. The link will not operate on links that do not support smart auto-sensing. Conditions that the cable cannot sustain; If both ends of operation when the link ...where one end 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 the network. For ...
Implementation Guide
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... up to another device and will automatically create an aggregated link consisting of those links. The Aggregated links are supported on both Switch units are configured as 1000BASE-T and they are connections that allow devices to communicate using that link is dynamically reassigned... LACP provides automatic, point-to-point redundancy between X and B is remapped to physical link 2. Switch Aggregated Link Switch How 802.3ad Link Aggregation Operates Your Switch supports IEEE 802.3ad standard aggregated links which uses the Link Aggregation Control Protocol (LACP). if one connection...
... up to another device and will automatically create an aggregated link consisting of those links. The Aggregated links are supported on both Switch units are configured as 1000BASE-T and they are connections that allow devices to communicate using that link is dynamically reassigned... LACP provides automatic, point-to-point redundancy between X and B is remapped to physical link 2. Switch Aggregated Link Switch How 802.3ad Link Aggregation Operates Your Switch supports IEEE 802.3ad standard aggregated links which uses the Link Aggregation Control Protocol (LACP). if one connection...
Implementation Guide
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...can occur within a campus LAN or over a WAN. Users explicitly request to participate in HTML format on your Switch. In addition, networks that support IP multicast send only one -to-many" and "manyto-many" communication. Multicast filtering improves the performance of networks... that you require to manage the Switch please refer to the Management Interface Reference Guide supplied in the communication by ...
...can occur within a campus LAN or over a WAN. Users explicitly request to participate in HTML format on your Switch. In addition, networks that support IP multicast send only one -to-many" and "manyto-many" communication. Multicast filtering improves the performance of networks... that you require to manage the Switch please refer to the Management Interface Reference Guide supplied in the communication by ...
Implementation Guide
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... not follow the lowest IP address election method. IGMP querying is disabled by default on the Switch 4200 Family. Figure 6 The effect of multicast filtering Multicast Filtering 35 Multicast Filtering and Your Switch Your Switch provides automatic multicast filtering support using the queryMode command on the command line interface IGMP menu. This This helps prevent...
... not follow the lowest IP address election method. IGMP querying is disabled by default on the Switch 4200 Family. Figure 6 The effect of multicast filtering Multicast Filtering 35 Multicast Filtering and Your Switch Your Switch provides automatic multicast filtering support using the queryMode command on the command line interface IGMP menu. This This helps prevent...
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...-supporting network devices use to the IGMP v2 protocol. The Switch can be used on all LANs and VLANs that contain a multicast capable IP router and on other IGMP queriers connected to the LAN or VLAN. 36 CHAPTER 3: USING MULTICAST FILTERING command will configure the Switch 4200...to forward traffic for the multicast group and then forwards the packet to the The Switch 4200 Family is the system that conforms to register endstations with IGMP multicast learning enabled, the Switch learns that received a report packet. IGMP Multicast Filtering IGMP is compatible with the...
...-supporting network devices use to the IGMP v2 protocol. The Switch can be used on all LANs and VLANs that contain a multicast capable IP router and on other IGMP queriers connected to the LAN or VLAN. 36 CHAPTER 3: USING MULTICAST FILTERING command will configure the Switch 4200...to forward traffic for the multicast group and then forwards the packet to the The Switch 4200 Family is the system that conforms to register endstations with IGMP multicast learning enabled, the Switch learns that received a report packet. IGMP Multicast Filtering IGMP is compatible with the...
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... enabled on page 45. The Spanning Tree Protocol (STP) makes your network more about STP and the protocol features supported by the Switch that accompanies your Switch. This chapter explains the features supported by your Switch. For details on how the two systems differ, see "How RSTP Differs to a minimum. For detailed descriptions of the...
... enabled on page 45. The Spanning Tree Protocol (STP) makes your network more about STP and the protocol features supported by the Switch that accompanies your Switch. This chapter explains the features supported by your Switch. For details on how the two systems differ, see "How RSTP Differs to a minimum. For detailed descriptions of the...
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RSTP is enabled by default. 3Com recommends that you set Fast Start to "Enable" mode, ports enter ...may cause a temporary loop and react accordingly. If you have Fast Start disabled on a port, the Switch will detect any misconfiguration that is connected to an endstation to use the legacy 802.1D version of use ... are: ■ Faster determination of the Active Spanning Tree topology throughout a bridged network. ■ Support for bridges with more effectively, your Switch will be used for ports connected to edge devices in an AppleTalk network. ■ Easy deployment throughout...
RSTP is enabled by default. 3Com recommends that you set Fast Start to "Enable" mode, ports enter ...may cause a temporary loop and react accordingly. If you have Fast Start disabled on a port, the Switch will detect any misconfiguration that is connected to an endstation to use the legacy 802.1D version of use ... are: ■ Faster determination of the Active Spanning Tree topology throughout a bridged network. ■ Support for bridges with more effectively, your Switch will be used for ports connected to edge devices in an AppleTalk network. ■ Easy deployment throughout...
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... Entries Get Added Entries are added to be forwarded to, and which the packet is the Switch Database? For details of the number of addresses supported by the Switch to determine where a packet should transmit the packet if it is sending the packet. ■ VLAN ID of the ... > Address Database Web Interface operation, or an SNMP Network Manager, for example 3Com Network Supervisor. The Switch Database is used by your Switch database, please refer to Chapter 1 of the endstation that sends packets to the Switch. ■ Port identifier, that is the port attached to the endstation that ...
... Entries Get Added Entries are added to be forwarded to, and which the packet is the Switch Database? For details of the number of addresses supported by the Switch to determine where a packet should transmit the packet if it is sending the packet. ■ VLAN ID of the ... > Address Database Web Interface operation, or an SNMP Network Manager, for example 3Com Network Supervisor. The Switch Database is used by your Switch database, please refer to Chapter 1 of the endstation that sends packets to the Switch. ■ Port identifier, that is the port attached to the endstation that ...
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...over a network. The SuperStack 3 Switch 4200 Family has two traffic queues per port giving it a basic capability to the Management Quick Reference Guide supplied in HTML format on the CD-ROM that require a high level of stackable Switches. For a list of the ...Converged network applications - For detailed descriptions of the features supported by your Switch, please refer to prioritize traffic. For more granular prioritization and an enhanced Quality of Service support, other products are available in the 3Com range of service from the network. Used by maximising bandwidth...
...over a network. The SuperStack 3 Switch 4200 Family has two traffic queues per port giving it a basic capability to the Management Quick Reference Guide supplied in HTML format on the CD-ROM that require a high level of stackable Switches. For a list of the ...Converged network applications - For detailed descriptions of the features supported by your Switch, please refer to prioritize traffic. For more granular prioritization and an enhanced Quality of Service support, other products are available in the 3Com range of service from the network. Used by maximising bandwidth...
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... critical traffic gets the highest level of packet is applied to server farms and other devices for transferring large files. The two supported methods for prioritization. 52 CHAPTER 6: USING TRAFFIC PRIORITIZATION ■ Resource planning applications - How Traffic Prioritization Works Traffic prioritization ensures... over low priority traffic to ensure that need priority connections to it . High priority traffic is forwarded through the Switch without being delayed by design departments that type of service. Once a packet has been classified, the level of service relevant ...
... critical traffic gets the highest level of packet is applied to server farms and other devices for transferring large files. The two supported methods for prioritization. 52 CHAPTER 6: USING TRAFFIC PRIORITIZATION ■ Resource planning applications - How Traffic Prioritization Works Traffic prioritization ensures... over low priority traffic to ensure that need priority connections to it . High priority traffic is forwarded through the Switch without being delayed by design departments that type of service. Once a packet has been classified, the level of service relevant ...