Kingston Technology KNS2450/R Switch User Manual
Contents
1. IEC 801 2 Electrostatic discharge requirements IEC 801 3 Radiated immunity requirements IEC 801 4 Electrical fast transient requirements LY EN60950 Low Voltage Directive LVD Q Declaration of CE Conformity in accordance with the above standards has been made and is on file at Kingston Technology CE C Tick Certification U AS NZS 3548 Information Technology Equipment Declaration of C Tick Conformity in accordance with the above standards has been made and is on file at Kingston Technology N1298 KNS3250 R Users Guide Rev A00 Kingston Technology Company2. Properties of __Ins de_Device_Configuration__ MEE GGN e a Vv v Mv M Pe Fora M Porte ieat 08 Bore zc reel eh Pore Bh a ie Ponies Ponies Porat Forte Pe Parti is Ponies Re Ror E E M M B 2a B Portes is aa is Portas Be Past er MOUPEL HOU PEL MOUPEL MOUIET peeve MOUIET rm 7 BE rm 7 Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utilit 29 4 Click the radio boxes to assign trunk port mappings for Trunk 1 For Ports 5 to 24 map them to different trunk ports were eceeetitt oU S E E SUE SEE CE o LE S E E E E eai o ww evovovoeeee een ee eeeeeovoe eeeovee evonveeee ec nen 5 Click the radio boxes to assign trunk port mappings for Trunk 6 From Ports 1 to 22 map them to both trunk ports evenly ele ee ge ee es R e e eio o ie ie ie cc ee e ec oe ee ere ee eleis S ee ee ce ee ere chee er er ele 8 eee el Gi ei cle 3 ce erele e ecos VIIA AAA eocvvreeee eeexevovve eeeeeeee 6 After completing the trunk port mappings OK should appear beside the relative Port Based buttons Now all trunk assignments are finished Click the VLAN page to start VLAN settings Properties of __Inside_Device_Configuration__ MEISSGGTESSBESER az E M Poti M Pot2 I Pots M E Rota Miete ieot MIESE zi Po Fors B Poti is aa B aa D ae lt B Portia ie Porte JE potir A ponie Be eoria le Portzn E v
3. Rev A00 Kingston Technology Company 12 Kingston Switch Configuration Utility Aging Time The address aging timer is built in to the table aging process The minimum time is 1 second and the maximum is 510 seconds 255 is the default value if the number exceeds 255 it must be an even number Broadcast Storm Control Threshold The Broadcast storm control function limits the number of consecutive broadast packets for each port that has Broadcast Storm Control enabled The broadcast packets are stored in the buffer and sent to the other ports one by one In the buffer when the number of stored broadcast packets exceeds the specified threshold the device will discard the consecutive incoming broadcast packets until the number of stored broadcast packets 1s below the threshold The assignable values are 16 32 48 and 64 with 64 being the default Description This is basically a comment section for notes by the user Up to 2048 characters can be written This description can only be saved and read from the disk file the information is not stored on the device itself Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utility 13 Port Properties of _ Inside Device Configuration _ AAU eee EgGtauar Wate ete Se ZU Mbps re ZU Mbps tC eeeree 3 N CR ee een a In Ss Mm Ww Lee u 9 s 2 a E a bis w u Individual port parameters are confi
4. UL cUL TUV Kingston Technology Company 42 Appendix D Fiber FX Modules amp Installation Appendix D Fiber FX Modules amp Installation There are three different optional fiber modules available for use with your Fast EtheRx Switch KNS150FX MTRJ The KNSISOFX MTRJ module KNS150FX SC The KNSIS50FX SC module Kingston Technology Company KNS3250 R User s Guide Rev A00 Appendix D Fiber FX Modules amp Installation 43 KNS150FX ST The KNSI50FX ST module Installing the fiber module 1 Remove the screws holding the metal plate cover located over the Fiber FX Module Port and remove the metal plate cover 2 Carefully slide the KNSIS50FX module into the Fiber FX Module Port as shown below 3 Tighten both screws to secure the KNS150FX module within the Fast EtheRx Switch KNS3250 R Users Guide Rev A00 Kingston Technology Company 44 Appendix E Mounting Templates Appendix E Mounting Templates The Fast EtheRx dual speed hubs can be stationed on a flat surface using the four rubber feet provided or mounted in a standard 19 rack by using the mounting brackets and thumb screws provided with the unit Rubber Feet for Desktops The Fast EtheRx dual speed hubs come with rubber feet that may be applied to the bottom of the unit for desktop surface installations The 4 rubber feet have peel off adhesive backing Remove the backing and attach the feet to the bottom of the switch B
5. Port I O Address field matches the actual setting on the host PC Use this button to read the configuration data from the device If the operation is successful the current configuration will become Inside Device Configuration Restore Defaults This button will write the factory default settings to the switch ol Exit Use this button to quit the Switch Configuration Utility Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utility 11 Device Configuration Properties Properties of New _Configuration_24Port_2FX_Option_Module__ Make a memo here System Parameters adjusted in this window will control overall system performance SuperMAC e Enable When a collision occurs the port on which the collision occurs will perform a more aggressive back off algorithm of up to 3 slots e Disable This is the default setting when a collision occurs the device will perform the IEEE802 3 standard exponential backoff algorithm Aging Control e Enable By default this option is enabled and set with an aging time of 255 seconds When enabled learned MAC addresses are discarded after the aging time has been reached The aging time can be set between 1 and 510 seconds e Disable The Fast EtheRx Switch will retain the learned source MAC addresses for each port Only dynamically learned addresses will be aged No explicit static entries will be aged out KNS3250 R Users Guide
6. R User s Guide Rev A00 Appendix C Specifications 41 KNS2450 R 100BASE TX 10BASE T KNS3250 R 100BASE TX 10BASE T Max Segment Length Connector Type Cable Type Cable Grade 100BASE TX 10BASE T Optional Fiber Support MTRJ Interface ST Interface SC Interface Parallel Configuration Port Environmental Operating Temperature Storage Temperature Relative Humidity Electrical Input AC Voltage Output DC Voltage Power Consumption KNS1650 R KNS2450 R KNS3250 R Physical Dimension HxWxD Weight KNS1650 R KNS2450 R KNS3250 R Certification EMI Standards EMC Standards Low Voltage Directive Safety Standards KNS3250 R Users Guide Rev A00 100 Mbps to 100 Mbps 13 6 ms 10 Mbps to 10 Mbps 76 6 ms 100 Mbps to 100 Mbps 17 8 ms 10 Mbps to 10 Mbps 76 9 ms 100 meters 328 feet Female RJ45 UTP 26 to 22 AWG CAT 5 or better CAT 3 4 5 or better 2 port FX module l port FX module l port FX module Supports VLAN amp Trunking switch configurations 0 C to 45 C 32 F to 113 F 20 C to 60 C 4 F to 140 F 10 to 90 non condensing 100VAC to 240VAC 50 60 Hz Auto sensing 3 3VDC 6A and 5 0VDC 0 5A 14 Watts max 16 Watts max 18 Watts max 1 69 x 17 32 x 7 88 43 3 mm x 443 4 mm x 201 7 mm 5 5 Ibs 2 5 kg 5 8 Ibs 2 6 kg 6 0 Ibs 2 7 kg FCC Class A CE CISPR A C Tick EN55022 IEC801 2 IEC801 3 IEC801 4 EN60950
7. are covered by this warranty for life memory modules and expansion boards networking adapters networking hubs without cooling fans excluding the power supply and microprocessor upgrade products Seven Year Warranty The following Kingston products are covered by this warranty for a period of seven years from the date of original retail purchase all core storage enclosures including the power supply cables terminators and related accessories Under certain agreements where core products are slightly modified e g paint handle etc by Kingston at the customer s request the product will be covered for a period of seven years for repair only Storage products that are custom designed and or incorporate component level modification by Kingston in order to meet specific customer requests will be negotiated with the applicable customer on a per case basis Five Year Warranty The following Kingston products are covered by this warranty for a period of five years from the date of original retail purchase the power supply in networking hubs without cooling fans Flash memory cards e g CompactFlash ATA Flash and Linear Flash solid state PC Card PCMCIA adapters PC Card Readers and all other Kingston products other than those products covered by a three year two year or one year warranty as provided below Three Year Warranty The following Kingston products are covered by this warranty for a period of three years from the date
8. of original retail purchase networking hubs with cooling fans including the power supply Two Year Warranty The following Kingston products are covered by this warranty for a period of two years from the date of original retail purchase Solid State Floppy Disk Cards SSFDC and Winchester hard disk drives in a 2 5 inch 3 5 inch or 5 25 inch form factor One Year Warranty The following Kingston products are covered by this warranty for a period of one year from the date of original retail purchase Winchester hard disk drives in a 1 8 inch form factor optical storage products and magnetic tape storage products Rev 3 99 KNS3250 R Users Guide Rev A00 Kingston Technology Company 46 Appendix F Warranties amp Notices Warranty Claim Requirements To obtain warranty service return the defective product freight prepaid and insured to your local authorized Kingston dealer or distributor or to the Kingston factory service center located at 17600 Newhope Street Fountain Valley California 92708 U S A You must include the product serial number if applicable and a detailed description of the problem you are experiencing You must also include proof of the date of original retail purchase as evidence that the product is within the applicable warranty period If you return the product directly to the Kingston factory you must first obtain a Return Material Authorization RMA number by calling Kingston Customer Service at 7
9. on the Switch Configuration item 2 In the main window choose the switch model from the Device Type pulldown menu Device Configuration _ New_Configuration_32Port__ a TECH OLOGY KNS 1650 R 1 FX Option SC ST KNS 1650 R 2 FX Option MTRIJ VF45 Open K NS 2450 R 1 FX Option SC ST Save Write Read SYA Restore Defaults Ol Exit 3 Select the I O address used by the printer port of the host computer attached to the switch from the Printer Port I O Address pulldown menu Device Configuration _ New_Configuration_24Port__ Printer Port I O Address LPT 378 37F LPT 378 37F SE LPT 278 27F LPT 3BC 3BF Properties Restore Defaults Ol Exit Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utility 25 4 Click the button Open to open an existing configuration file if necessary 5 Click the button Properties to invoke the Properties Window to start or modify configuration settings 6 Click OK to leave this window if finished these settings Properties of New _Configuration_24Port_2FX_Option_Module__ Make a memo here 7 Click the button Save or Save As to save current settings as a configuration disk file Sending the Current Configuration to the Switch 1 Connect the Configuration Cable directly to the printer port of your host PC and to the Configuration Port on the switch 2 Power on the swi
10. the System Page new incoming broadcast packets will be discarded until the number has been reduced below the threshold Disable Disabled by default this option ensures the broadcast packet will not be throttled Full Duplex Flow Control e Enable Enabled by default this option allows the 802 3x full duplex flow control mechanism e Disable When disabled the 802 3x flow control mechanism is not used in full duplex mode Auto Negotiation e Enable Enabled by default this option allows the port to determine the Data Rate and Duplex Mode of the attached device Disable Disabling this option allows the user to specify the Data Rate and Duplex Mode settings manually Note If using the port with the fiber FX interface this option is disabled Data Rate The user may specify the data transmission rate for the selected port Note If using the port with the fiber FX interface this option is fixed at 100Mbps Duplex Mode The user may specify full duplex or half duplex mode for this port Apply to Other Ports When the Apply to Other Ports button is selected a popup window will appear allowing you to select any other ports that you wish to have the same configuration as the currently selected port Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utility 15 Trunk Assignment Properties of _ Inside_Device_Configuration__ MEISBOGTESEBESEG 7 m Port E P
11. 14 438 1810 and include the RMA number prominently displayed on the outside of your package Products must be properly packaged to prevent damage in transit Free Technical Support Kingston provides free technical support If you experience any difficulty during the installation or subsequent use of a Kingston product please contact Kingston s Technical Support department prior to servicing your system Kingston Technical Support can be reached in the U S at 714 435 2639 or toll free at 800 435 0640 U S and Canada only Kingston European Technical Support can be reached from within Europe at 00800 8888 0101 or by fax at 00800 8823 8823 This warranty covers only repair or replacement of defective Kingston products as provided above Kingston is not liable for and does not cover under warranty any costs associated with servicing and or the installation of Kingston products Disclaimers The foregoing is the complete warranty for Kingston products and supersedes all other warranties and representations whether oral or written Except as expressly set forth above no other warranties are made with respect to Kingston products and Kingston expressly disclaims all warranties not stated herein including to the extent permitted by applicable law any implied warranty of merchantability or fitness for a particular purpose In no event will Kingston be liable to the purchaser or to any user of the Kingston product for any damages
12. 50 R KNS3250 R Switching Approach Flow Control MAC Address Support IEEE 802 31 IOBASE T Standard IEEE 802 3u 100BASE TX Standard IEEE 802 3 CSMA CD Ethernet Standard 16 auto negotiating 10 100 Mbps UTP ports 24 auto negotiating 10 100 Mbps UTP ports 32 auto negotiating 10 100 Mbps UTP ports Auto Negotiation Auto Negotiation 1 LED for Power indicator steady green 16 LEDs for Link Activity detection Link steady green 100 Mbps activity flashing green 10 Mbps activity flashing amber 16 LEDs for Full Duplex Collision detection Full Duplex steady green Collision flashing amber 24 LEDs for Link Activity detection Link steady green 100 Mbps activity flashing green 10 Mbps activity flashing amber 24 LEDs for Full Duplex Collision detection Full Duplex steady green Collision flashing amber 32 LEDs for Link Activity detection Link steady green 100 Mbps activity flashing green 10 Mbps activity flashing amber 32 LEDs for Full Duplex Collision detection Full Duplex steady green Collision flashing amber Store and Forward Half duplex Collision based Backpressure Full duplex IEEE 802 3x 1K MAC addresses Filtering Forwarding Rate min packet size 100BASE TX 1OBASE T Latency min packet size KNS1650 R 100BASE TX 10BASE T Kingston Technology Company 148 800 packets second 14 880 packets second 100 Mbps to 100 Mbps 11 6 ms 10 Mbps to 10 Mbps 70 5 ms KNS3250
13. 50 R switches support MAC address based and port based balancing methods Using these methods any packet with a trunk destination received by the switch can be forwarded to a proper trunk port After choosing one method the user must specify the relative load balancing mapping to complete the configuration of the trunk port load balancing Trunk Selection Trunk Port Assignment Place checkmarks in the boxes of the desired trunk and check the desired trunk port assignments per trunk Trunk A Trunk is a group of Trunk Ports grouped together Port Based Trunk Each Port Based Trunk may have 2 3 or 4 Trunk Ports MAC Address Based Trunk Each MAC Address Based Trunk must contain 4 Ports Trunk Ports A port assigned to a Trunk The Trunk Ports are setup in groups of 4 and must be selected based on the groups For example Trunk 1 can only contain Trunk Ports 1 2 3 or 4 Load Balancing Mapping MAC Address Based When the switch receives a packet with a trunk destination it will automatically forward the packet to a trunk port based on the source MAC address SA and destination MAC address DA of the packet The device uses two bits from SA and DA to map to four trunk ports The user can select which two bits should be used for mapping 1 0 Uses bit 1 and 0 for mapping 3 2 Uses bit 3 and 2 for mapping 5 4 Uses bit 5 and 4 for mapping 7 6 Uses bit 7 and 6 for mapping Each MAC Address contains 6 bytes of data the las
14. KINGSTON TECHNOLOGY FAST ETHERX 16 PORT 24 PORT amp 32 PORT 10 100TX RACK MOUNTABLE FAST ETHERNET SWITCH USER S GUIDE MODEL S KNS1650 R KNS2450 R KNS3250 R Kingston Technology s Fast EtheRx 16 Port 24 Port amp 32 Port 10 100BASE TX Rack Mountable Fast Ethernet Switch User s Guide Part No 4460186 001 A00 kingston PER IPHER ALS Kingston Technology Company 17600 Newhope Fountain Valley CA 92708 714 435 2600 www kingston com KNS3250 R Users Guide Rev A00 Kingston Technology Company Important Safety Instructions 1 2 3 4 5 Read all these instructions Save these instructions for later use Follow all warnings and instructions marked on the product Do not use this product near water This product should be operated from the type of power source indicated on the marking label If you are not sure of the type of power available consult your dealer or local power company Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage points or other risk Refer all servicing to service personnel Wichtige Sicherheitshinweise l 2 Diese Hinweise sollten vollst ndig durchgelesen werden Diese Hinweise f r einen sp teren Gebrauch aufbewahren Allen auf dem Ger t angebrachten Warnungen und Hinweisen folgen Das Ger t nicht in der N he von Wasser verwenden Das Ger t nur mit dem Aufkleber bezeichneten Net
15. an example to show how to assign trunks and set VLAN groups From the figure above the user plans to configure a 24 port switch into two VLAN groups one for Engineering and the other for Sales Marketing There are four stations connected to Port 5 to Port 8 respectively used by engineers and a server shared by them which is connected to Trunk 1 by using four trunk ports On the other side there are three stations connected to Port 9 to Port 11 respectively used by Sales Marketing department and a server shared by them which is connected to Trunk 6 by using two trunk ports To achieve the goal above just follow steps below 1 Click the Properties button to open the Properties window Device Configuration _ New_Configuration_24Port__ KNS3250 R Users Guide Rev A00 Kingston Technology Company 28 Kingston Switch Configuration Utilit 2 Select the Trunk Assignment tab to begin assigning trunks Properties of Inside_Device_Configuration__ MEISEGGTER e a Pott E Pate BR Ports Port ol Vet eors E Rote Mikot ie Porte zc roel wh Pore Bh lA rl et ts Fora is orig Ds Parti t Ponies E Porat Ps Rare Rz Forests pore B 223 Portes i A ie Pore 2 Porat ee 0s eA OLED reeves MOUDE MOLJE MOUNET MOUIE MOUIE PEERELEL 3 Click the checkboxes to select Trunk 1 and Trunk 6 and assign their trunk ports Click the relative Port Based buttons 1 and 6 to begin port based trunk port mapping
16. cables are engineered to prevent the spread of fire from floor to floor and are suitable for vertical shaft applications CM Cables for general building wiring CM cables are used in areas other than plenums and risers These cables are resistant to the spread of fire and pass the UL 1581 Vertical Tray Flame Test MP MPR amp MPP Within Article 800 the Multi purpose Cables Category allows conditional substitutions between different cable types amp are restricted by number AWG size and stranding of the cable conductors Terms You Should Be Familiar With l BACKBONE WIRING The physical electrical interconnections between telecommunications closets and equipment rooms COMPLIANCE A wiring device that meets all characteristics of a standard is said to be in compliance with that standard PREMISE WIRING The entire wiring system on the premises especially the supporting wiring that connects the communications outlets to the network interface jack NEAR END CROSSTALK NEXT In wires packed together within a cable the signals generated at one end of the link can flush out the weaker signals coming back from the recipient KNS3250 R Users Guide Rev A00 Kingston Technology Company 40 Appendix C Specifications Appendix C Specifications Compliance Media Interface KNS1650 R KNS2450 R KNS3250 R 1OBASE T 100BASE TX Half Full duplex mode Diagnostic LEDs KNS1650 R KNS24
17. destination it will automatically forward the packet to a trunk port based on the port it came from First select a trunk then click its Port Based button on the right hand side of the screen under Load Balancing Mapping The Port Based Trunk Port Mapping for Trunk x window will appear as shown below Port Based Trunk Port Mapping for Trunk 1 at ad gi 4 EE BE E Eee DE DE E me E E a E E Click the radio buttons to map each port to one of the trunk ports All assignments must be completed before it will allow you to close the window After that the status will display ok on the right side of the Port Based button If the status not yet is displayed then the load balancing mapping has not been completed Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utility 19 VLAN Properties of New Configuration_24Port_2FX_Option_Module__ This window allows users to define VLAN membership by groups of device ports Any individual port or trunk can be a member of a VLAN group A VLAN group is basically a broadcast domain but any port trunk is not limited to belonging to only one VLAN group The forwarding rule is that packets from the source port trunk will only be forwarded to a destination port trunk within the same VLAN group That is a broadcast multicast packet will be forwarded to all ports trunks within the same VLAN group s of the source port trunk exce
18. elow for 4 pair wiring using either T568A Fig B 1 or T568B Fig B 2 wiring standards Both T568A and T568B wiring is compatible with 10BASE T and 100BASE TX and require no special configurations but for premise wiring stick to one wiring standard Mixing T568A and T568B wiring schemes may cause or lead to potential problems a 2 a 3 12345678 12345678 T568A T568B Fig B 1 4 Pair T568A Wiring Fig B 2 4 Pair T568B Wiring Solid White Green White Orange Green White Orange White Pind Part Red BlueWhite Pin Pari Red Blue White White Blue White Blue Orange White Green White White Brown White Brown Table B 4 4 Pair T568A Wiring Table B 5 4 Pair T568B Wiring Kingston Technology Company KNS3250 R User s Guide Rev A00 Appendix B Cabling Guidelines 39 UTP Cable Rating Codes UTP cables meet different UL NEC requirements based on cable jacket quality Below is an explanation of the rating codes for each cable type UL The National Electrical Code NEC published by the National Fire Protection Association NFPA details advisory safety considerations for electrical wiring NEC Article 800 Communications Cables are manufactured to meet these different cable types Li CMP Cables meeting type CMP requirements are suitable for installation in ducts and plenums without the use of conduit These cables are designed for fire resistance and low smoke producing characteristics CMR Riser type
19. er selecting Read Properties Printer Port I O Address This option should be used to select the Input Output Range associated with the printer port on your computer To find out what the setting should be follow the procedure below 1 Go to Start Settings and select Control Panel 2 Double click on the System icon 3 Go to the Device Manager 4 Open up the Ports COM amp LPT heading by click on the plus sign next to the heading GN Highlight the Printer Port LPT1 and click on the Properties button 6 Go to the Resources tab and the Input Output Range should be displayed This is the value which needs to be selected in the Switch Configuration Utility KNS3250 R Users Guide Rev A00 Kingston Technology Company 10 Kingston Switch Configuration Utility Use this button to save the current configuration data to the device After a successful write operation the device automatically resets and initializes the new configuration If the write operation fails check the following e Verify the configuration cable is well connected e Ensure that the configuration cable is connected directly from the PC to the Switch If any other devices are connected to the PC s printer port please disconnect them before attempting the configuration of the switch e Check the host PC to verify that the drivers for the Printer Port LPT1 are installed correctly e Make sure the I O address selected in the Printer
20. expenses lost revenues lost savings lost profits or any other incidental or consequential damages arising from the purchase use or inability to use the Kingston product even if Kingston has been advised of the possibility of such damages Rev 3 99 Copyright 2000 Kingston Technology Company All rights reserved Printed in Taiwan Kingston Technology and the Kingston logo are trademarks of Kingston Technology Company All other logos and trademarks are properties of their respective companies Kingston Technology Company KNS3250 R User s Guide Rev A00 Appendix F Warranties amp Notices 47 F C C Certification This device has been tested and found to comply with limits for Class A digital device pursuant to Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation CE Notice The official CE symbol indicates compliance of this Kingston Technology product to the EMC directive of the European Community The CE symbol indicates that this Kingston product meets or exceeds the following standards LY EN50081 1 Electromagnetic Compatibility generic emissions standard EN55022 Limits and methods of measurement of radio interference characteristics Q EN50082 1 Electromagnetic Compatibility generic immunity standard
21. gured from this window Select the port from the window on the left hand side and then modify the parameters on the right Use the Apply to Other Ports button to assign the same setting to other ports Port Selection Designates the port to be configured Security e Enable e Disable Packets which result in security violations at the designated port will be discarded Security violations would happen if a packet is received from an unknown source MAC address or a source MAC address learned previously from another port Once enabled the device will disable address learning and the aging process for this port Users should add the MAC address of the workstation connected to this port to the address table if they do not want the packets to be discarded The forwarding decision made about packets received from the port will not involve source MAC address checking This is the default option KNS3250 R Users Guide Rev A00 Kingston Technology Company 14 Kingston Switch Configuration Utility Address Learning e Enable This option is enabled by default which will cause the MAC address of the source of a packet to be learned e Disable When disabled the MAC address of the source of a packet from this port will not be learned Broadcast Storm Control e Enable If the accumulated consecutive broadcast packets in the input buffer of a port is over the threshold specified by the value of the Broadcast Storm Control Threshold on
22. hat can be assigned to Port 1 8 Port 9 16 Port 17 24 and Port 25 32 group respectively Pressing the Delete button will remove the entry which is currently highlighted or press the Add button to add a new entry Note Normally the device has a static entry capacity of 10 per each group Each group consists of 8 consecutive ports and 2 trunks that is Port 1 8 and Trunk 1 2 belong to a group Port 9 16 and Trunk 3 4 belong to another group etc However if a static address is assigned for Trunk 3 8 it will occupy an entry for all groups not just the group it belongs to That is if there is any static address assigned for Trunk 3 8 it will reduce the entry capacity of each group In the Add a new entry of Explicit Address Table window ports and trunks are grayed out when there is no capacity to place a static entry for them Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utilit 23 Add a new entry of Explicit Address T able ie e io a e a ee eecee ee SEE Bun W e e ee In this window input the MAC address of a workstation and choose an individual port or a trunk to which the workstation is connected KNS3250 R Users Guide Rev A00 Kingston Technology Company 24 Kingston Switch Configuration Utility Using the Switch Configuration Utility Editing a Configuration File 1 Go to the Start menu highlight Programs Kingston Switch Configuration and click
23. k such as ports 1 through 4 can be grouped as a single 800Mbps link as Trunk 1 Switching Function The Fast EtheRx Switch is basically designed to bridge Standard 10BASE T Ethernet networks to 100BASE TX Fast Ethernet networks and to segment 10Mbps or 100Mbps network segments Auto Negotiation Auto Negotiation provides the means of automatically establishing a link by detecting the link capabilities of the connected device on the network to select the best operational mode available i e 1 OOBASE TX 10BASE T selection half full duplex mode operation etc Kingston Technology Company KNS3250 R User s Guide Rev A00 Design Features 5 Full Duplex Full Duplex transmission means that dedicated inbound and outbound channels are established for bi directional transmission of data This allows the collision detection mechanism CSMA CD to be by passed thus decreasing transmission delay normally caused by listening collisions and packet resends when operating in half duplex mode Store and Forward Switching The Fast EtheRx Switch uses a packet forwarding method called Store and Forward which minimizes the re transmission of faulty data packets This means that the Fast EtheRx Switch can store the incoming frame in an internal buffer and check the packet for errors before sending it out to the destination port If the frame does contain errors it will be discarded and then retransmitted Flow Control In half duplex
24. lid and stranded filament Solid filament cables are more rigid and usually intended for trunk cabling Stranded filament cables are more pliable and generally targeted for patch cables For proper termination use the correct RJ 45 connector as they differ for each type of cable UTP Cable Wiring UTP cables are wired based on one of two standard pin configurations Straight Through and Cross Over 100BASE TX uses only Category 5 UTP cables with four pairs of wire as illustrated below in Tables B 2 and B 3 Straight Through Cross Over Configuration Configuration 1 TRX 1 TRX 1 TRX 3 RCV 2 TRX 2 TRX 2 TRX 6 RCV 3 RCV 3 RCV 3 RCV T TRX 6 RCV 6 ROV 6 ROV 2 TRX 4 5 7 8 4 5 7 8 Table B 2 Straight Through Wiring Table B 3 Cross Over Wiring KNS3250 R Users Guide Rev A00 Kingston Technology Company 38 Appendix B Cabling Guidelines UTP Cable Wiring Standards There are two governmental agencies the Electronic Industry Association EIA and the Telecommunications Industry Association TIA which set the standard for all cable wiring requirements for commercial buildings With the advent of 100Mb s networking products it is best to use higher quality CAT 5 cables like Belden or Helix as well as CAT 5 compliant patch panels patch cables and connectors while following the EIA TIA wiring standards 100 W UTP CAT 5 type cables use 4 pair UTP wiring Refer to the illustrations b
25. mode the Fast EtheRx Switch implements a collision based backpressure flow control mechanism that reduces the risk of data loss at congested ports This is accomplished by forcing a collision with the data frames on all ports once the free buffer queue has reached the pre set minimum In full duplex mode the Fast EtheRx Switch implements the IEEE 802 3x flow control mechanism This is accomplished by sending a PAUSE packet on a port when the number of buffers allocated to this port exceeds the pre set minimum KNS3250 R Users Guide Rev A00 Kingston Technology Company 6 Hardware Installation Hardware Installation Before you begin installing network cables please take a few moments to familiarize yourself with Fast EtheRx Switch The functions on the front and rear panels are illustrated in the following sections Front Panel Power LED Fiber FX Module Optional 2x2 4 5 5 10 12 16 18 20 2 2 FX Module a Veer vere rerTTeTe Full Duplex Collision LED i eet ener 10 100BASE TX UTP Ports Link Activity LEDs Fig 2 KNS2450 R Front Panel Power LED The PWR LED indicates the power status of the Fast EtheRx Switch The LED will light up steady green when the AC power cord is connected to the unit from a power source Link Activity LED The LINK ACT LED uses a single LED to display two functions A steady green light indicates that a good li
26. ndow Properties of New _Configuration_24Port__ 12 To retain the settings after powering off the unit click the Save button to save current configuration as a file and press the Write button to save the settings to the device itself Kingston Technology Company KNS3250 R User s Guide Rev A00 Troubleshooting 33 Troubleshooting Data cannot be read from or written to the device l 2 Make sure the switch is powered on Make sure the Configuration Cable is well connected It should be connected to the PC s printer port directly If there is any device such as key pro or printer buffer attached on the printer port please remove it before connecting the Configuration Cable On the host PC verify that the drivers for Printer Port LPT are installed correctly Go to the Start menu highlight settings and select Control Panel Double click the system icon and go to the Device Manager tab Make sure Printer Port exists under the submenu Ports Com amp LPT If it does not exist the LPT drivers need to be installed If it exists check the properties Go to the Resource tab and check to make sure the Input Output Range is 0378 037F 0278 027F or 03BC 03BF Check the Parallel Port Mode in the host PC s BIOS settings if it is SPP please change it into EPP or ECP mode Make sure the correct Printer Port I O Address is selected in the Switch Configuration Utility s main menu Verify that the cor
27. nk has been established and a flashing green light indicates when data is being received or transmitted If the LED does not display solid green indicating a good link check the following 1 Make sure that the power is turned on for both the Fast EtheRx Switch and the attached device 2 Verify that the drivers for the network adapter have been loaded on the PC Some network adapters require that the driver be loaded before establishing a proper link 3 Make sure the cable is wired properly and connected on both ends 4 Make sure the correct cable type has been selected 5 If steps 1 through 4 are correct please check the cable as it may be defective or wired incorrectly Replace the cable and try again Please refer to Appendix A for Pin Assignments and Appendix B for Cabling Guidelines Kingston Technology Company KNS3250 R User s Guide Rev A00 Hardware Installation 7 Full Duplex and Collision LED The FDX COLL LED uses a single color LED to display two functions A solid green light indicates that Full Duplex operation has been detected A flashing amber light indicates that a collision has occurred in half duplex mode Full Duplex mode is auto negotiated on all UTP ports Fiber FX module port optional The fiber FX module port can be used with an optional MT RJ ST or SC fiber module Port 1 amp 2 on the switch are associated with this module If the optional module is used then port 1 amp 2 on the switch can no
28. on Utility diskette into the floppy disk drive 2 Go to the Start menu and select Run 3 Type in A SETUP and click OK 4 Follow the on screen prompts to complete the installation process Switch Configuration Utility Upon launch the Device Configuration main screen contains will appear as shown below Device Configuration Main Screen 8 Device Configuration __ New_Configuration_24Port__ TECH OLOGY Device Type Peewee Printer Port I O Address LPT 378 37F Gib Save As Properties Restore Defaults al Exit File O New This option brings up the default configuration settings for the currently selected device type Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utilit 9 jf Open Use this option to open a previously saved configuration file el Save Save the current configuration to a switch configuration file Gi save As Save the current configuration with another file name Device Type Choose the type of device that is connected for configuration There are six types which can be selected the 16 24 and 32 port models with or without the fiber option Use the properties button to begin configuration settings A window with 5 different configuration tabs will be brought up After modifying the switch configuration the settings can be written to the device if desired Configuration data can also be viewed by selecting this option aft
29. one of the out links of those VLAN groups that it belongs to VLAN Group The list box shows all defined VLAN groups of the system and each row is a group Any individual port or trunk can be a member of a VLAN group and each group comprises at least two members One of the members is to be chosen as its out link If flood control is disabled the Out link column will not appear To remove the current highlighted group press the Delete button Press the Add button to add a new group To modify settings select the Modify button or double click the current highlighted group to modify its content While adding or modifying a VLAN group the dialog Modify the VLAN Group or Add a New VLAN Group as below will popup for user to specify its content Add a new VLAN Group i dey Esa LES ae JOI A i h tS rem Fi m m iit LL 1 mime ety Ese gl E r j i m Eis E E Iv E M E M m m LLLLE EERE So ts Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utility 21 The group count is not limited Users can specify n VLAN groups or even more groups for any n n number of ports on your switch port switch But note that after writing to the device only the information of the first n 2 added VLAN groups can be read back from the device of n port switch Note Once at least one VLAN group has been added the system will automatically gather all un
30. orte M Ports IE Pots Ports M Pots M Potz IE Pota B Ports B Rote Poti ie ae B Rott st Portia i Partie D Foti i Poe is Portia i Port20 Rotel ee is Pore Ps az RE Porta 0s Porte ur Porat ts Partai re PELEEEEL The Kingston KNS1650R KNS2450R and KNS3250R switches support link aggregation trunking Trunking is a method of grouping multiple physical links as a single logical link The benefit is to be able to group multiple lower speed links into one high speed link for bandwidth aggregation For instance four full duplex 100Mbps links such as port 1 4 could be grouped into one 800Mbps link for Trunk 1 Trunking is most commonly used between the switch and server or between two switches See the chart below for the maximum number of trunks per switch Switch Model Number of Trunks KNS1650 R 16 Port Switch Up to 4 Trunks KNS2450 R 24 Port Switch Up to 6 Trunks KNS3250 R 32 Port Switch Up to 8 Trunks Each port based trunk can have between 2 4 trunk ports as members of the trunk MAC Address based trunks must have 4 trunk ports per trunk KNS3250 R Users Guide Rev A00 Kingston Technology Company 16 Kingston Switch Configuration Utility Load Balancing Method In a multiple link trunk the links within a trunk should have an equal amount of traffic in order to achieve maximum efficiency Thus some sort of load balancing amongst the links of a trunk must be deployed The Kingston KNS1650 R 2450 R and 32
31. pendix D Fiber FX Modules and Installation 42 Appendix E Mounting Templates nenne a 44 Appendix F Product Warranties and Notices ccccccccccceeeeeeeeeees 45 Limited Warranty Statement eat 45 Duration of Warranty ccccccccccccccccecccesssseessssseeeeeeeeeeeeeees 45 Free Technical SUPPO ee ee ee 46 Dise ES nee hart 46 TN RC UMN 15 6 1 sie EE E E E E 47 OT INO ee see 47 Tle CCG eenn 47 KNS3250 R Users Guide Rev A00 Kingston Technology Company il Kingston Technology Company KNS3250 R User s Guide Rev A00 Introduction 1 Introduction Intended Audience This manual assumes that the user has a general working knowledge of networking principles and architecture and is familiar with network systems in general Congratulations on the purchase of your new Kingston Fast EtheRx 10 100BASE TX Rack Mountable Fast Ethernet Switch There are three models available the KNS1650 R the KNS2450 R and the KNS3250 R 16 ports 24 ports and 32 ports respectively The Fast EtheRx Switch is a high performance 10 100BASE TX switch ideal for the small to medium businesses The Fast EtheRx Switch has sixteen 16 twenty four 24 or thirty two 32 UTP ports depending on model that auto negotiate speed detection for 10 100BASE TX and half duplex full duplex mode operation The Kingston Fast EtheRx Switch allows standard 10BASE T Ethernet networks to communicate with 100BASE TX Fast Ethernet network
32. port based VLANs 16 24 or 32 UTP ports that auto negotiate 10 100Mbps operation Auto negotiates full or half duplex operation Store and Forward switching approach to minimize re transmission of faulty packets Filtering Forwarding rate of 148 800 packets per second at 100Mbps Filtering Forwarding rate of 14 880 packets per second at 10Mbps 1K active address entry table per device with self learning and table aging 2 MB packet buffer per eight ports Kingston Technology Company KNS3250 R User s Guide Rev A00 Package Contents 3 Package Contents Your Fast EtheRx package should contain the following items One ofthe following model Fast EtheRx switches e KNS1650 R e KNS2450 R e KNS3250 R AC Power Cord Kingston Switch Configuration Utility floppy diskette Configuration Cable DODO Mounting kit including 2 Angle Brackets 4 Mounting Bracket Screws 4 10 32 Rack Mount thumb screws 4 Rubber Feet Q User s Guide If any of the items are missing or damaged please contact your Kingston dealer for a replacement Be sure the items you receive are genuine Kingston Technology products If the Kingston name and logo are not on the front panel of your unit it s not a genuine Kingston product KNS3250 R Users Guide Rev A00 Kingston Technology Company 4 Design Features Design Features VLAN VLAN is short for Virtual Local Area Network and is generally defined as a broadcast domain It can be vie
33. pt the source port trunk itself Unicast packets will be forwarded to the destination port trunk only if the destination port trunk is in the same VLAN group as the source port trunk Flood Control Within a VLAN the flood control function is provided to decide what to do with incoming unicast packets with unknown destination MAC addresses Enable Packets received with an unknown unicast destination address DA will be forwarded to the specified out link in the same VLAN group But if the source port trunk belongs to more than one VLAN group then the packet will only be forwarded to one of the out links KNS3250 R Users Guide Rev A00 Kingston Technology Company 20 Kingston Switch Configuration Utility Disable This option is selected by default Packets received with an unknown unicast destination address DA will be forwarded to all ports except the receiving port within the same VLAN groups that the received port trunk belongs to Flood control is available only when at least one VLAN group is assigned And the out link port must be assigned when flood control is enabled for proper operation When flood control is enabled each VLAN group must choose a member as its out link If some VLAN groups have overlapped members one of these members should be chosen as the out link If a port or trunk belongs to more than one VLAN group packets that it receives with an unknown destination address DA will only be forwarded to
34. rackets for Rack Mounting The Fast EtheRx dual speed hubs can also be mounted in a standard 19 rack using the brackets included with the unit A rack mount installation uses a standard 19 dimension Align the holes in the brackets with the holes on each side of the unit Use the screws provided to secure the brackets to the Fast EtheRx dual speed hub See Figure E 1 below F i e as To F Fig E 1 Attaching the Mounting Brackets Important Note Although the bracket has four holes only 2 holes are used Kingston Technology Company KNS3250 R User s Guide Rev A00 Appendix F Warranties amp Notices 45 Appendix F Warranties and Notices Limited Warranty Statement KINGSTON TECHNOLOGY COMPANY Kingston warrants that this product is free from defects in material and workmanship Subject to the conditions and limitations set forth below Kingston will at its option either repair or replace any part of this product which proves defective by reason of improper workmanship or materials Repair parts or replacement products will be provided by Kingston on an exchange basis and will either be new or refurbished to be functionally equivalent to new This warranty does not cover any damage to this product that results from accident abuse misuse natural or personal disaster or any unauthorized disassembly repair or modification Duration of Warranty Lifetime Warranty The following Kingston products
35. rect Device Type is selected in the Switch Configuration Utility KNS3250 R Users Guide Rev A00 Kingston Technology Company 34 Kingston Technology Company KNS3250 R User s Guide Rev A00 Appendices 35 Appendices KNS3250 R Users Guide Rev A00 Kingston Technology Company 36 Appendix A Pin Assignments Appendix A Pin Assignments UTP Port Pin Assignments UTP Ports use RJ 45 Unshielded Twisted Pair UTP cabling RJ 45 modular plugs and their pin numbers and wiring assignments are listed below Twisted Pair cables can be wired with either Straight Through or Crossover pin assign ments Both wiring schemes are mentioned in Appendix B Cabling Guidelines for reference in creating a twisted pair cable 12345678 Modular Connector Fig A I RJ 45 Connector Pin Numbers Transmit Data Transmit Data Not Used Table A 1 UTP Pin Assignments 6 Kingston Technology Company KNS3250 R User s Guide Rev A00 Appendix B Cabling Guidelines 37 Appendix B Cabling Guidelines UTP Cable Type When installing network cables the following table shows appropriate cabling guidelines for 100BASE TX Fast Ethernet architecture Cabling Components 100BASE TX Trunk and Patch Cable Type 4 Pair 10082 UTP CAT 5 only 2 pairs used Modular Plug 8 Pin RJ 45 CAT 5 only Patch Panel 8 Pin RJ 45 CAT 5 only Table B 1 Network Cable Guidelines NOTE All UTP cables come in both so
36. s and to segment both 10Mbps and 100Mbps networks The KNS1650 R KNS2450 R and KNS3250 R switches also provide additional features such as VLAN link trunking broadcast storm control secure mode traffic filtering and flow control The Fast EtheRx Switch complies with IEEE802 3u 100BASE TX IEEE802 31 10OBASE T IEEE 802 3x and IEEE802 3 CSMA CD Ethernet Standards The Fast EtheRx Switch may be used in both standard desktop and 19 rack mount installations using the mounting brackets provided with the unit For easy recognition of network status and troubleshooting the front panel includes a variety of diagnostic LEDs including Power 100TX Speed Detection Link Receive Transmit Collision and Full Duplex status For the remainder of this manual the KNS1650 R KNS2450 R and KNS3250 R will be referred to collectively as the Fast EtheRx Switch KNS3250 R User s Guide Rev A00 Kingston Technology Company Model Types Model Types 8 10 2 14 16 8 13 15 8 10 12 14 16 18 2 2 24 7 o n 13 15 7 19 21 2 Fig 1 KNS1650 R KNS2450 R amp KNS3250 R Special Features Provides automatic switching function between IOOBASE TX and 1OBASE T networks Sixteen 16 twenty four 24 or thirty two 32 auto negotiating ports for 10 100Mbps operation Trunking capabilities Supports 16 24 or 32
37. selected members as an implicit VLAN group Users are recommended to explicitly assign all groups they need although they know that there exists an implicit VLAN group Group Name Create a group name up to 8 characters long Individual Port Trunk Both individual ports and trunks can be the members of a VLAN group All light checkboxes are qualified members of a VLAN At least two members must be selected to create a VLAN group Out link Selection If flood control is enabled one port or trunk should be chosen as the out link of this VLAN group Click on the button to the right of Out Link Selection to bring up the popup window KNS3250 R Users Guide Rev A00 Kingston Technology Company 22 Kingston Switch Configuration Utility Explicit Address Table Page Properties of _ New _Configuration_24Port_2FX_Option_Module__ System Port Trunk Assignment VLAN Explicit Address Table Explicit Address T able Port Trunk MAC Address 00 C0 F0 32 24 42 Delete The address table of the switch uses address learning dynamic or manual entry static Static entries are added to the address table of the device in this window Static address entries are not aged or updated by the switch s address learning Explicit Address Table The list box displays all explicit static entries for the address table Each row is an entry for a MAC address to an individual port or a trunk There are a total of 10 static addresses t
38. t be used For more details on the modules and instructions on installing them please refer to Appendix D Fiber FX Modules and installation 10 100TX UTP Ports The Fast EtheRx Switch has 16 24 or 32 depending on model UTP ports that auto negotiate both 1OOBASE TX and 1OBASE T connections as well as half or full duplex operation Rear Panel 100 240VAC 50 60Hz 07A MAX t Configuration Port AC Power Connector Fig 3 Rear Panel AC Power Connector The Fast EtheRx Switch uses a 100 240VAC internal power supply Connect the AC power cord from the back of the unit to an AC electrical outlet Configuration Port The Fast EtheRx Switch can be managed using the Kingston Switch Configuration Utility by connecting the configuration cable from the Configuration Port to the parallel port on the back of your host computer KNS3250 R Users Guide Rev A00 Kingston Technology Company 8 Software Installation Software Installation The Fast EtheRx Switch has several advanced features which can be configured from a Windows 95 98 NT or 2000 workstation using the provided configuration cable The software utility allows for VLAN link trunking broadcast storm control secure mode traffic filtering and flow control configuration The switch configuration software can only be installed on a Windows 95 98 NT or 2000 system To install the software follow the directions below 1 Insert the Switch Configurati
39. t byte is taken from the source MAC address SA and the last byte from the destination MAC address DA Each byte contains 8 bits of data and the user can determine which two bits of the last byte are used to map the trunk port See the example on the following page Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utilit 17 Sample source MAC address Sample destination MAC address 00 C0 F0 1C 23 8 00 C0 F0 22 32 51 Last Byte The byte is in hexadecimal format the chart below shows the binary value and the bit numbers Byte Bit Data Bit Number Last byte of source MAC address SA Last byte of destination MAC address DA The mapping rule is described below 1 The two bits selected by the user for mapping will result in an odd or even value assignment Exclusive Or XOR Values Bit 1 Bit 2 Bits Selected 0 0 0 XOR 0 1 I XOR I 0 Oo For example if the user specifies bit 1 and 0 for mapping and Trunk 2 is assigned the packets would be sent to the third Trunk Port of Trunk 2 which would be Port T KNS3250 R Users Guide Rev A00 Kingston Technology Company 18 Kingston Switch Configuration Utility Load Balancing Mapping Port Based The port based load balancing method is an explicit port assignment scheme It requires that all other ports are assigned to a specific link trunk port in the trunk When the switch receives a packet with a trunk
40. tch 3 Go to the Start menu highlight Programs Kingston Switch Configuration and click on the Switch Configuration item KNS3250 R Users Guide Rev A00 Kingston Technology Company 26 Kingston Switch Configuration Utility 4 In the main window choose the switch model from the Device Type pulldown menu Device Configuration _New_Configuration_32Port__ KNS 1650 R KNS 2450 R KN58 3250 R KNS 1650 R 1 FX Option SC ST KNS 1650 R 2 FX Option MTRIJ VF45 KNS 2450 R 1 FX Option SC ST 5 Select the I O address used by the printer port of the host computer attached to the switch from the Printer Port I O Address pulldown menu 4 Device Configuration New Configuration _24Port__ LPT 378 37F LPT 278 27F LPT 3BC 3BF 6 Click the Open button to open an existing configuration file if necessary 7 Click the Write button to write the current configuration data to the switch via the configuration cable 8 If the data is written successfully the switch will be auto reset immediately and the current configuration will be initialized Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utilit 27 Assigning Trunks and Setting VLAN Groups VLAN 1 Engineering VLAN 2 Sales Marketing Fig 4 VLAN example Here we give
41. v B a23 Bi Portes is Porte ie Rort2e Pe Ponzi Pore re re Hol Yet NOUVEL HOU BEL MOUDE rr Ba Ej MOUPEL EL eevee i KNS3250 R Users Guide Rev A00 Kingston Technology Company 30 Kingston Switch Configuration Utility 7 Press the Add button to add a VLAN group Properties of _ New _Configuration_32Port__ gt Food eontro Group Name Individual Pot Trunk fil galt 8 Give the name Engineer in the edit box and select Trunk 1 and Ports 5 through 8 to be members of this group Add a new YLAN Group i aer Ic Ex I A m won I iS _ LL un nnd 5 E U u lt Cm LLL meee LLL meee LLmLLLLR to Fi v u A E g a 5 ZY iS WwW hw ER Se Kingston Technology Company KNS3250 R User s Guide Rev A00 Kingston Switch Configuration Utility 31 9 Press Add button to add another VLAN group Properties of _ New _Configuration_24Port__ 10 Type in SalesMkt in the edit box and select Trunk 6 click Ports 9 through 11 to be members of this group Add a new YLAN Group T nm L E EOT 5 S amp S DO ae O Se 1 un noa 5 E u lt E Em mna 5 5 u lt E Em Ow L L L imj u 5 um ts CEEL L Lim an IE ey U KNS3250 R Users Guide Rev A00 Kingston Technology Company 32 Kingston Switch Configuration Utility 11 Two VLAN groups have been created click OK to leave the Properties Wi
42. wed as a group of end nodes which can communicate with each other even though they may be located on different physical network segments The Fast EtheRx switch provides a simple solution to protect your network against broadcast storming by creating segments based on Layer 2 Ethernet information As a result each group of stations connected to a seperate segmented port form an isolated Broadcast Domain In a switched network environment a broadcast packet or an unknown destination MAC address packet will broadcast to ALL ports which can decrease the entire network system performance dramatically By grouping ports into VLANs broadcast packets will only be sent to the ports within the same VLAN without effecting the traffic of the ports outside of the VLAN Broadcast sharing ports can be used to connect servers and other common services such as Internet access that are used by all the stations connected to the different segmented ports Typically users are grouped according to similar characteristics such as a common business function or a common protocol A single switch may have several independent VLANs within it Link Trunking Link trunking is basically a method of treating multiple physical links as a single logical link By grouping ports into a trunk you can increase the available bandwidth between switches or servers Multiple lower speed links can be grouped into a single higher speed link For example four full duplex 100Mbps lin
43. zspannung betreiben Bei Fragen ber die Art der Netzspannung sollte der H ndler oder dasEnergieversorgungsunternehmen zu rate gezogen werden Nicht versuchen das Produkt selbst zu reparieren In allen Produkten existieren gef hrliche elektrische Spannugen Nicht das Geh use ffnen Kingston Technology Company KNS3250 R User s Guide Rev A00 TABLE OF CONTENTS DO 1 01 11 1 cate ONNINNR KENN E E E l Special RA en ee E 2 Packar Contos een ee te ame rene Ei 3 DESICH reae ee Te ee ee ern ee oes ne oer 4 Hardware IE Allan 6 Pront Panel sormeen eena a ie ise o i E ra SEn E Eni 6 Por Pa e E T Sotware Ini Aliens esse eier ee 8 Switch C one 1ralon Vol een 8 Device Configuration Main Screen uueeeeeeeeesssssssnennennnnnnensssnesnnnnnn 8 Device Configuration Properlies c aseseisiseree een 11 VE ee 1 POUL SEEN ER RR EN EDER RO TE IE NEN BRNENERTRERREN 13 Trunk Assignment essen a 15 1 e A E en eee nem oe HEINE 19 ExplicitAddr ss Table nennen 22 Using the Switch Configuration ble 24 Editing a Configuration File ccccccccccssssssssseeeeeeeeeeeeeseeeeeenens 24 Sending the Current Configuration to the Switch e 25 Assigning Trunks and Setting VLAN Group eeceeeeseeeeeeeees 27 MTOM SMO OU EIN ae ee el eee 33 Appendices Appendix A Pin ASS1ONIMents 2 csciescc sce scadeccenexepeoesassoresacciaeensaacbacceeceees 36 Appendix B Cabling Guidelines un 37 Appendix C SpeciNcalloNS sssrinin On eee ee 40 Ap
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