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KS-2300/KS-2600

Intelligent Switch

User's Guide

Summary of Contents for KS-2300

Page 1: ...KS 2300 KS 2600 Intelligent Switch User s Guide ...

Page 2: ...articular purpose The information in this document is subject to change without notice We reserve the right to make revisions to this publication without obligation to notify any person or entity of any such changes Trademarks or brand names mentioned herein are trademarks or registered trademarks of their respective companies P N 17000095 ...

Page 3: ... 100BaseFX extension Because the 100BaseFX extension ports will share Port 23 24 of TX ports it is 24 ports totally on front panel 2 Fully modularized model It has three 8 port module slots at front panel These 8 port modules could be 8 10 100M TX ports or 8 100M FX ports or some other 8 port module It has flexible design for hardware configuration If 24 2G there are two gigabit module slots at re...

Page 4: ...view 4 2 Manage the switch 4 3 2 CONFIGURE THE SWITCH BY CONSOLE 7 3 2 1 Logging on to the Intelligent Switch 7 3 2 2 Performing Basic Management Activities 10 General 10 LAN Port 11 Console Port 12 3 2 3 Performing Advanced Management Activities 14 L2 Switching DataBase 16 VLAN PVID Perspective 16 IP Multicast Group Perspective 19 MAC Address Perspective 20 Port Perspective 20 IP Networking 24 IP...

Page 5: ... Configuration 49 Rate Control 50 File Transfer 51 3 2 3 Other Functions in the Main Menu 53 Logout 53 Save Setting 53 Restore Default Settings 53 Reboot 53 3 3 CONFIGURE THE INTELLIGENT SWITCH BY WEB BROWSER 54 3 3 1 Logging on to the Intelligent Switch 54 3 3 2 Performing Basic Management Activities 54 3 3 3 Performing Advanced Management Activities 55 3 3 4 File Transfer Reboot Logout and Save ...

Page 6: ...CES TO INTELLIGENT SWITCH 60 5 2 TRUNKING TO ANOTHER ETHERNET SWITCH 60 5 3 CONNECTING TO ANOTHER ETHERNET SWITCH HUB NON TRUNKING 61 5 4 APPLICATION 62 CHAPTER 6 LEDS CONDITIONS DEFINED 64 CHAPTER 7 ADD REMOVE MODULE 65 7 1 FOR NON FULLY MODULARIZED MODELS 65 7 2 FOR FULLY MODULARIZED MODELS 68 CHAPTER 8 FAQ 71 A PRODUCT FEATURES SPECIFICATION 75 B COMPLIANCES 78 C WARRANTY 79 ...

Page 7: ...ssions and distributing data over the most efficient media and pathway With Quality of Service QoS supports this Intelligent Switch provides the capability to prioritize certain tasks on the network and this is particularly useful for sending voice or video over the switched network This Intelligent Switch is a powerful management Ethernet switch for network administrator 1 1 Package Contents l On...

Page 8: ...ion the switch may not function according to specifications beyond the temperature range of 0 to 50 degrees C 2 1 Placing the Intelligent Switch on a Desk or Shelf 1 Place the Intelligent Switch on a firm flat surface where you want to install the switch 2 If you want to configure the Intelligent Switch please refer to Section 3 3 Connect network cables to the Intelligent Switch Please refer to Se...

Page 9: ...3 screws to mount the hub onto the standard EIA 19 inch rack ...

Page 10: ...anagement via a network connection Using an SNMP Network Management Station 1 Local Console Management You can manage the Intelligent Switch locally by connecting a VT100 terminal or a personal computer or workstation with terminal emulation software to the Intelligent Switch serial port The terminal or workstation connects to the Intelligent Switch serial port using a console cable that has the a...

Page 11: ...anagement Station Using this management method The network must run the IP protocol The Intelligent Switch must have an IP address 3 Assigning an IP Address to the Intelligent Switch To manage the Intelligent Switch remotely through the console port or with an SNMP Management Station you must assign an IP address to the Intelligent Switch You assign IP address through the IP Settings screen This p...

Page 12: ...6 ...

Page 13: ...ar Operating in the console interface here is the direction about the keyboard Move the highlight up Up arrow or K Move the highlight down Down arrow or J Move the highlight between screens Tab Select the highlight option Enter Move to the previous menu Esc Operation Notes 1 In the operation of the console configuration management you have to highlight the item and press Enter if you want to selec...

Page 14: ...ble Routing Table DHCP Gateway Ping Bridging Aging Time Flooding Limit Static Filtering Static Mac ID Filter in Filter out Spanning Tree Spanning Tree Status Configuration SNMP SNMP Configuration Other Protocols GVRP IGMP Protocols Enable Disable Port Trunking Port Trunking Configuration Port Mirroring Port Mirroring Setting QoS Setup Configure the QoS operation of the switch 1 Enable Disable 2 Tr...

Page 15: ...9 Restore Default Settings Restore the factory default settings Reboot Reboot the switch ...

Page 16: ...n and connection status 2 Get Mac address of the switch Console Port For console port configuration and settings n General Lets you change the system name location administration guest passwords statistics collection reboot on error and remote Telnet login and other system settings There is some system information in the option You can change the following items in this option 1 System Name The na...

Page 17: ...lligent Switch will automatically reset when a fatal error is detected 7 Telnet Login Enable or disable remote Telnet logins to the Switch 8 Remote HTTP Login Enable or disable remote HTTP login function n LAN Port Lets you configure speed and flow control link type and physical address You can change the connection configuration on each port of the Intelligent Switch with this option 1 Speed Flow...

Page 18: ...u exit the configuration program 2 Flow Control Select the flow control method of the Intelligent Switch console port 3 Modem Control Enable or disable the modem control function on the Intelligent Switch console port If the modem control function is enable proceed to Specify a Modem Setup String to specify the appropriate modem setup string 4 Modem Setup String If you enabled a modem connection t...

Page 19: ...from the current console screen If you enable SLIP please also specify a SLIP address and SLIP subnet mask 6 SLIP Address If you enabled SLIP use this function to enter an address that has a network part different than the network address of the Intelligent Switch For more information contact your network administrator 7 SLIP Subnet Mask If you are using SLIP enter a suitable SLIP subnet mask with...

Page 20: ...u Description L2 Switching DataBase 1 VLAN PVID setting VLAN activity status 2 IP multicast group activity status 3 Mac addresses activity status 4 Statistics on port VLAN activity on port and Mac address learning configuration on port IP Networking 1 IP address and RIP configuration of the switch 2 ARP Table of the switch 3 Routing Table of the switch 4 DHCP Gateway setting 5 Ping operation Bridg...

Page 21: ...cols Enable Disable IGMP and GVRP protocols Port Trunking Configure Port Trunking for Trunking Connection Port Mirroring Port Mirroring Configuration QoS Setup Configure the QoS operation of the switch File Transfer For Software upload download operation ...

Page 22: ...s VLAN ID 1 as the default VLAN The default VLAN includes all the ports as the factory default The default VLAN s egress rule restricts the ports to be all untagged so it can by default be easily used as a simple 802 1D bridging domain The default VLAN s domain shrinks as untagged ports are defined in other VLANs Tagged Untagged Port Tag is a four bytes packet information added in a packet for VLA...

Page 23: ...AN Move the highlight and press Enter to assign VLAN ID and VLAN name to the new VLAN The ID is a 12 bit decimal or hexadecimal ID value Notes Remote will be appended to the VLAN ID automatically if the VLAN is learned from a remote switch b After a new VLAN is created you can add switching ports to the VLAN in the following screen Use Shift key key to add a switch port to the VLAN Select Tagged o...

Page 24: ...s the domains in this VLAN from which active MAC addresses have been learned within the last aging period You can use the Tab key to move between the MAC Addresses and VLAN Domain screens b In the MAC addresses Screen Searching for MAC Addresses In the VLAN MAC Address screen press S The Enter MAC Addr To Search screen appears Enter a MAC address in the Enter MAC Addr To Search screen and press th...

Page 25: ...can assign VLAN ID to untagged ports with this function But it is not necessary for tagged ports because there is already VLAN information in the packets Tagged ports only for tagged network devices only Don t use tagged ports for untagged devices u IP Multicast Group Perspective The IP multicast group perspective provides information associated with an IP multicast group To obtain an IP multicast...

Page 26: ... are prompted for a MAC address Enter the MAC address whose characteristics corresponding VLANs and corresponding ports you want to view Then press Enter and a screen similar to the one appears b Use the Up and Down Arrow keys to scroll through the VLAN IP Multicast Group Membership screen u Port Perspective The port perspective lets you view VLAN activities and RMON statistics You can also config...

Page 27: ...r a MAC address press S When the search prompt appears enter a MAC address in the Enter MAC Addr to Search screen and press the Enter key If the address is found it is highlighted in the Port MAC Addresses screen d To obtain additional information about a particular MAC address scroll to the address in the Port MAC Address screen and press Enter key The following screen appears showing detailed in...

Page 28: ...creen will appear a Set Learning Limit You can set a number to limit the PC number that can share this connection at the same time b Unlimited Learning You can remove the PC connecting number limit if you select this item And the PC connecting number on the port will become no limit It s the normal state of a normal switch c No MAC Learning You can disable the MAC learning function on this port if...

Page 29: ...ddresses in the limited number are allowed to access network through the ports Note If you select Set Learning Limit on the connection port and also assign some MAC addresses on the port in the MAC Address In Filters of Static Filtering function these MAC addresses will always be allowed to use this connection and these MAC addresses are not included in the limit number of PC ...

Page 30: ...f the VLAN IDs IP addresses subnet masks and frame types currently defined Notes Before you can define a VLAN s IP settings you must first create a VLAN as described in the VLAN Perspective of L2 Switching DataBase To modify the settings shown a Highlight the row that contains the parameters you want to change then press Enter The following screen appears b Review the settings To change a setting ...

Page 31: ... the ARP table in the screen 1 Adding static entries to the ARP table a From the ARP Table screen hold down the Shift key and press The Static ARP Specifications screen appears b Highlight the Internet Address and press Enter A Enter Internet Address screen will appear c Type an Internet address IP address When you finish press Enter The Internet address you typed appears next to Internet Address ...

Page 32: ...ess or a Physical Address b Select the Internet Address or Physical Address and then enter the IP or physical address you are searching and press Enter The address you want to view is highlighted Note The ARP Address Resolution Protocol table is a mapping table of IP address and its Ethernet Mac addresses The ARP table in the switch is similar to the ARP table in a PC u Routing Table If you select...

Page 33: ...gured routing entry NetMgmt A routing entry set via SNMP ICMP A routing entry obtained via ICMP redirect RIP A routing entry learned via the RIP protocol Other A protocol other than one of the other four listed above 1 Adding Routing Table Entries a From the Routing Table screen hold down the Shift key and press The Route Options screen appears Select Default Gateway or Static Route and press Ente...

Page 34: ...n this screen VLAN ID shows the IDs of the VLANs that have been defined IP Address shows the corresponding IP addresses of the VLANs DHCP Relay shows whether the DHCP relay is enabled or disabled Max Hops shows the maximum number of hops that a DHCP request broadcast can be relayed along the DHCP relay path from the DHCP client to the DHCP server Delay shows the number of seconds that must elapse ...

Page 35: ...ts it broadcasts a DHCP Request packet looking for DHCP servers DHCP servers respond to this packet with a DHCP Response packet The client then chooses a server to obtain TCP IP configuration information such as its own IP address Since DHCP uses broadcast mechanism a DHCP server and its client must physically reside on the same subnet However it s not practical to have one DHCP server on every su...

Page 36: ...e DHCP client s subnet and sends a DHCP Response back to the DHCP Relay Agent The DHCP Relay Agent then broadcasts this DHCP Response packet received from the DHCP server to the appropriate client u Ping If you select Ping from the IP Networking screen a Ping screen appears You can set the following items for the ping operation The IP address of the host you want to ping The packet count number fr...

Page 37: ... enter a new flood limit Or you may select Unlimited to disable the flooding limit function for unknown Mac address packets Notes 1 Aging Aging is an operation for switch to maintain its learning table If a network device does not send any packet in the aging time its Mac address entry in the learning table will be removed This operation is called aging 2 Flooding Whenever a packet is sent to a sw...

Page 38: ...nding on port If you set the MAC address learning function of the connection port to No MAC Learning in the Port Perspective of L2 Switching Database in Advanced Management only these MAC addresses in the in filters table for the port will be forwarded by the port You can highlight one of these items and press Enter A MAC address table will appear a Add a MAC address Hold down the Shift key and pr...

Page 39: ...tion lets you view and change parameters relating to the spanning tree protocol If you select Spanning Tree from the Advanced Management screen the Spanning Tree Protocol screen appears u Spanning Tree Configurations If you highlight Spanning Tree Configurations in the Spanning Tree Protocol screen and press the Enter key a Spanning Tree Protocol Configuration screen appears The top half of this s...

Page 40: ...transmits spanning tree configuration message u Spanning Tree Port States If you highlight Spanning Tree Port States in the Spanning Tree Protocol screen and press the Enter key a Spanning Tree Port States screen appears This screen displays read only values When you finish press the Esc key until you return to the desired screen If you want to change the administration status highlight the port t...

Page 41: ...o back to last screen Path Cost 0 65535 It is used to determine the best path between devices if looping happens Lower values will be forwarded and should be assigned to ports with fast connections Higher values will be blocked and should be assigned to ports with slow connections The suggestion values are 100 50 600 for 10M 19 10 60 for 100M and 4 3 10 for 1000M connections u Spanning Tree Port P...

Page 42: ...5 and a low value gives the port a greater likelihood of becoming a Root port After completing the modification press Esc to back to last screen Port Priority 0 255 If the path cost for all ports on a switch are the same the port with the highest priority lowest value will be forwarded when looping happens If more than one port have the same highest priority the port with lowest port number will b...

Page 43: ...reen appears This switch supports SNMP agent function and you can configure SNMP settings community name trap host trap events here If you want to change the configuration highlight the item that you want to change and press Enter Enter the new setting for the item in prompt screen and press Enter After completing the change press Esc to leave ...

Page 44: ...For IGMP snooping operation in concentration VLAN configuration every port is VLAN grouped with some common port and not VLAN grouped with the other ports Select the new setting for the item from prompt screen and press Enter After completing the change press Esc to leave Notes GVRP Protocol In addition to network management tools that allow network administrators to statically add and delete VLAN...

Page 45: ...traffic from the local router to group members on directly attached subnetworks The Intelligent Switch support IP Multicast Filtering by Passively snooping on the IGMP Query and IGMP Report packets transferred between IP Multicast Routers and IP Multicast host groups to learn IP Multicast group members and Actively sending IGMP Query messages to solicit IP Multicast group members The purpose of IP...

Page 46: ... for the trunking connection Here is an example for trunking configuration for 24 2G model 1 Select one of the trunk connection and the following screen will appear 2 Select the port range and select remove the port to from the trunk with Enter key Four 10 100Mbps ports for a trunking connection maximum 3 The following screen is an example after configuration If your switch is 24 2G model and you ...

Page 47: ...the Mirror To and press Enter Select the port that will be mirrored to c Highlight the Mirror From and press Enter Select the mirrored port from the port list and press Enter d Highlight the Mirror Mode and press Enter Select the mirror mode Receive Transmit and press Enter You can mirror the receive or transmit packets only but not both in the switch Notes The mirror port number that you see in y...

Page 48: ...and 8 priority queues on gigabit port if your model has it This switch also support 2 classes of drop rates with WRED Weighted Random Early Detection logic that you can configure You can configure the priority and drop rate for the priority values in VLAN tag and ToS of IP packet You can also configure the priority and drop rate for TCP UDP logical service ports You can configure the packet schedu...

Page 49: ...ity classes and transfer DiffServ packets with the following queue mapping Tx Queues P3 P2 P1 P0 IETF NM EF AF0 AF1 BE0 Note DiffServ is the abbreviation of Differentiated Service Differentiated Services provides a simple and coarse method of classifying services of various applications And Expedited Forwarding EF has a single codepoint DiffServ value EF minimizes delay and jitter and provides the...

Page 50: ...recedence of ToS 4 2 uses Bit 3 5 Delay Throughput Reliability of ToS 6 WRED Drop Priority Setting WRED is the abbreviation of Weighted Random Early Detection Discard WRED is a congestion avoidance mechanism When a packet belonging to a queue for which WRED is enabled arrives some actions take place The Average Queue Size AQS is calculated If the AQS is less than the minimum WRED threshold the pac...

Page 51: ...nable Disable it 2 Configure its drop rate to high drop rate or low drop rate 3 Configure its transmit priority to 0 7 2 Well Known Port In Well Known Port you can do QoS configuration for some well known TCP IP ports There are 8 well known ports could be set in the switch Select one of them For example 0 you can do the following QoS settings on this TCP IP logical port 1 Enable Disable it 2 Confi...

Page 52: ... drop priority and transmit priority for each priority value in ToS Select one of them and you can configure the QoS configuration of this priority You can select using Bit0 2 or Bit3 5 of ToS for the transmit priority and drop priority setting with General of QoS configuration u Profile There are four basic QoS scheduling operations for this switch 1 Strict Priority SP SP is for the highest prior...

Page 53: ...E performance This switch supports four scheduling configurations for each physical port on different priority queues 4 priority queues on 10 100M ports 8 priority queues on gigabit port for 24 2G models 10 100M Port P3 P2 P1 P0 Gigabit Port P7 P6 P5 P4 P3 P2 P1 P0 Option 1 Delay Bound Best Effort Option 2 Strict Priority Delay Bound Best Effort Option 3 Strict Priority Weighted Fair Queuing Optio...

Page 54: ...duling operation on each port of the switch For the profile setting you have to select Megabit Ports Profile or Gigabit Ports Profile first We select the Megabit Profile here You can define the content of QoS profiles for megabit ports here There are 10 different profiles and only four of them could be the active profiles for QoS control in the switch Now we open the 01 profile ...

Page 55: ...t is busy But this operation will break the QoS request from the application running on that device In this case the packets from ports whose flow control function is enable will always be forwarded with the lowest priority during scheduling so that they will not exposed to the WRED dropping scheme to prevent any packet dropping in the QoS operation It can guarantee that no packets will be lost bu...

Page 56: ...e for rate control is streaming or burst Note If the Delay Sensitive Application option of any active profile is enable you will meet a error message when you try to set the rate control Please try to activate another profile with the Delay Sensitive Application option disable because the Delay Bound scheduling operation conflict with rate control operation of the switch We suggest that you may us...

Page 57: ...tings of the switch 2 Hardware configuration file This file contains the hardware configuration of the switch If wrong hardware configuration is used that may cause the switch fail to work 3 Debug monitor file This is for engineer debugging Please ignore it 4 Runtime file This is the main code of the switch It controls the software version of the switch 5 Web browser file This file contains the ht...

Page 58: ...start the terminal program and complete the console connection first 1 Highlight Receive File Via Kermit and press Enter Then select Yes or No to confirm the file transfer via Kermit 2 Start the file transfer send operation in the terminal program with Kermit protocol 4 Send File Via Kermit Before doing this operation you have to start the terminal program and complete the console connection first...

Page 59: ...mediately But they will be lost after power off If you want to save them please come to this function and save them to flash n Restore Default Settings If you want to go back to the default settings of the switch you may use this function to do it It will clear current settings and restore them to the Default State of the switch After restoring default settings the switch will reboot n Reboot You ...

Page 60: ... 4 0 Netscape 4 7 or above w 800x600 screen resolution is suggested 2 Enter http xxx xxx xxx xxx as the web address xxx xxx xxx xxx is the IP address of the Intelligent Switch And the login screen will appear 3 Input the password the factory default is 123456 for admin Note You may change the password after you login to the Intelligent Switch 4 If the password is accepted the homepage of the Intel...

Page 61: ...page That is almost the same as the Advanced Management function in console interface Please refer to Section 3 2 2 for the details of the advanced management 3 3 4 File Transfer Reboot Logout and Save Setting You can do these functions in the File button Please complete the operation step by step in the web browser That is almost the same as ...

Page 62: ...56 these functions in console interface Please refer to Section 3 2 3 for the details of these functions ...

Page 63: ...eached The management workstation collects the statistics that the RMON probe gathers The workstation can reside on the same network as the probe or it can have an in band or out of band connection to the probe The Intelligent Switch provides RMON capabilities that allow network administrators to set parameters and view statistical counters defined in MIB II Bridge MIB and RMON MIB RMON activities...

Page 64: ... Agent and MIB 2 4 3 RMON MIB RFC 1757 and Bridge MIB RFC 1493 The Intelligent Switch provides hardware based RMON counters in the switch chipset The switch manager CPU polls these counters periodically to collect the statistics in a format that complies with the RMON MIB definition 4 3 1 RMON Group Supported The Intelligent Switch supports the following RMON MIB groups defined in RFC1757 RMON Sta...

Page 65: ...he objects applicable to all types of bridges The dot1dStp Group contains the objects that denote the bridge s state with respect to the Spanning Tree Protocol If a node does not implement the Spanning Tree Protocol this group will not be implemented This group is applicable to any transparent only source route or SRT bridge that implements the Spanning Tree Protocol The dot1dTp Group contains obj...

Page 66: ...KM for single mode transceiver w single mode cable lFor 1000BaseSX connection it supports up to 550 meters lFor 1000BaseLX connection it supports up to 8 10KM lFor 1000BaseTX connection it supports up to 100 meters with Cat 5 cable Cat 5e is suggested for 1000TX connection 5 2 Trunking to Another Ethernet Switch There could be two three trunk connections on the Intelligent Switch 1 Please setup th...

Page 67: ...connected to existing 10 Mbps or 100 Mbps hubs switches The switch to switch hub connection guidelines are shown as follow If connecting from MDIX port of the switch to MDI port of another hub switch Straight Through cable is OK for this connection If connecting from MDIX port of the switch to MDIX port of another hub switch Crossover cable is needed for such a connection Notes If the TX ports of ...

Page 68: ...witch ability to segment the network The number of nodes on each segment is reduced thereby minimizing network contention collisions and boosting the available bandwidth per port User can setup VLAN of the Intelligent Switch for network management User can also setup Trunk connection of the Intelligent Switch for faster trunk connection between switches The administrator can manage the network con...

Page 69: ...63 Workgroup Power User Workgroup FS FS Switch Switch Gigabit Connection ...

Page 70: ...id link Flashing Data packets being received or sent Green The connection is 100Mbps Link Act Yellow The connection is 10Mbps ON The connection is Full Duplex FDX Col Flashing Packet collisions happen Note For the Fully Modularized Model the Link Act LED is green color only The speed display Green 100M Yellow 10M is shown on the TX module Important Note If there are 100BaseFX ports on the switch p...

Page 71: ...eFX port become Port 24 If two 100BaseFX ports on the module Port 23 and 24 of UTP ports will be disabled and these 100BaseFX ports become Port 23 and 24 Adding Modules to the Switch at Front Panel 1 Turn off the switch first 2 Loosen the screws of the cover of the module slot 3 Remove the cover of the module slot 4 Follow the rails on both sides of the module slot to slide in the module slowly 5 ...

Page 72: ...ews of the cover on the module slot 3 Remove the cover on the module slot 4 Follow the rails on both sides of the module slot to slide in the module slowly 5 Push the module firmly to make the module connecting well with the connector in the switch 6 Drive the screws to fix the module to the switch firmly 7 Power ON the switch 8 Connect network cables to the connectors on the module If the connect...

Page 73: ...67 5 Power ON the switch ...

Page 74: ... of the module slot to slide in the module slowly 6 Push the module firmly to make the module connecting well with the connector in the switch 7 Drive the screws to fix the module to the switch firmly with screwdriver Two at the front side one at bottom side 8 If the switch is rack mounted you can put the switch back to rack 9 Power ON the switch 10 If 100FX module are added please configure these...

Page 75: ... Remove the cover of the module slot 4 Follow the rails on both sides of the module slot to slide in the module slowly 5 Push the module firmly to make the module connecting well with the connector in the switch 6 Drive the screws to fix the module to the switch firmly 7 Power ON the switch 8 Connect network cables to the connectors on the module If the connected devices are working the Link Act L...

Page 76: ...70 ...

Page 77: ...V24 Port 23 24 25 V25 Port 1 2 3 4 22 23 24 2 Set the PVID of every port Port 1 PVID 2 Port 2 PVID 3 Port 3 PVID 4 Port 4 PVID 5 Port 5 PVID 2 Port 6 PVID 2 Port 7 PVID 8 Port 8 PVID 9 Port 9 PVID 10 Port 22 PVID 23 Port 23 PVID 24 Port 24 PVID 25 When a Port are forwarding packets it will check its VLAN configuration whose VLAN ID its PVID If the destination ports are in the same VLAN group the p...

Page 78: ...yboard You may use J key instead of Down Arrow key and use K key instead of Up Arrow key in that case Q5 The 100Base FX port fail to work after I adding a 100BaseFX module to my switch some model support module expansion A This problem could be caused by the configuration of the 100BaseFX port because FX port does not support auto negotiation function You have to configure the FX port to 100 Full ...

Page 79: ...You can check the spanning tree configuration first If spanning tree is enable it will take about 30 seconds before any new connection starting to work because it will check the network configuration to prevent any looping happening in the network first That is a correct for spanning tree operation Q8 What is flooding A Flooding happens when packets come to the switch and the switch cannot find th...

Page 80: ...ral the approach to quality of service assumes the offered traffic pattern is unknown the incoming traffic is not policed or shaped and the network manager knows his applications such as voice file transfer or web browsing and their relative importance Then he can configures the switch to meet the QoS request of his applications Q11 Why the tagged port send out untagged packets A For a tagged port...

Page 81: ...QoS operation can refer to Port Based Tag Base DS ToS or IP logical port settings of packets l Support port trunking and load sharing for high bandwidth links between switches l Support flooding control l Support static and dynamic MAC address limit function A 2 Specification Basic Characteristics Access Method CSMA CD Communication Mode Full Half duplex Ports Depending on your models 24 only or 2...

Page 82: ...runk connections allowed 24 only model Two trunk connections allowed IGMP IP Multicast Filtering by passively snooping on the IGMP Query Quality of Service QoS Provides 4 level transmit priorities 2 level drop precedence on each port Supports Strict Priority Delay Bound Weighted Fair Queue and Best Effort 4 different transmit scheduling schemes Refer to Port Based Tag Base DS ToS or IP logical por...

Page 83: ...ole Telnet remote control console SNMP agent MIB 2 RFC 1213 Bridge MIB RFC1493 RMON MIB RFC1757 statistics history alarms and events VLAN MIB 802 1Q Web browser support based on HTTP server and CGI parser Software Update TFTP Kermit software upgrade capability ...

Page 84: ...in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures are required to correct the interference CE Mark Declaration of Conformance for EMI and Safety EEC This is to certify that this product complies with ISO IEC Guide 22 and EN45014 It conforms to the following specifications EMC EN55022 1988 CISPR 22 1985 class A...

Page 85: ...ee from defects in material and workmanship for a period of warranty time from the date of purchase from us or the authorized reseller The warranty does not cover the product if it is damaged in the process of being installed We recommend that you have the company from whom you purchased this product ...

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