Lobos Tech LB-FEA800M Скачать руководство пользователя

Страница: 67 / 85

5-4-6. Filter Database

5-4-6-1. IGMP Snooping

The 8TP+1Fiber Management Switch support IP multicast , you can

enable IGMP protocol on web management’s switch setting advanced

page, then display the IGMP snooping information in this page, you can

view difference multicast group ,VID and member port in here, IP

multicast addresses range from 224.0.0.0 through 239.255.255.255.

The Internet Group Management Protocol (IGMP) is an internal protocol

of the Internet Protocol (IP) suite.

IP manages multicast traffic by using switches, routers, and hosts that

support IGMP. Enabling IGMP allows the ports to detect IGMP queries

and report packets and manage IP multicast traffic through the switch.

IGMP have three fundamental types of message as follows:

Содержание LB-FEA800M

Страница 1: ...User Guide LB FEA800M Rev 1 0 2005 1 27 ...

Страница 2: ......

Страница 3: ...ting to a workstation or PC Therefore Auto MDI MDIX means that you can connect to another Switch or workstation without changing non crossover or crossover cabling With there build in Web based Management managing and configuring the LB FEA800M becomes easier From cabinet management to port level control and monitoring you can visually configure and manage your network via Web Browser Just click y...

Страница 4: ...S 232 console management Rear side Telnet Trunk IEEE 802 3ad Trunk with LACP for load distribution control and fail over recover Up to 4 ports per group max 4 Groups Class of Service Global system supports 2 queues for Hi and Low priority QoS Global System support 8 levels of priority and mapping to Hi Low priority queue for Class of Service VLAN Port based VLAN 802 1Q Tag VLAN Protocol Type VLAN ...

Страница 5: ...dcast Control None 5 10 15 20 25 Spanning Tree IEEE802 1d support RFC Standard RFC 768 UDP RFC 783 TFTP RFC 791 IP RFC792 ICMP RFC 854 TELNET Server Client RFC 1112 IGMP RFC 2068 HTTP Package Contents Unpack the contents of the LB FEA800M and verify them against the checklist below n LB FEA800M n Power Cord n Four Rubber Feet n RS 232 cable n User Guide LB FEA800M Power Cord ...

Страница 6: ...which essentially doubled the bandwidth Second by reducing the collision domain to a single switch port which eliminated the need for carrier sensing Third by using the store and forward technology s approach of inspecting each packet to intercept corrupt or redundant data switching eliminated unnecessary transmission that slow the network By employing address learning which replaced the inefficie...

Страница 7: ...at costs lower than other solutions Wider bandwidth no congestion and the reduction in traffic is why switching is replacing expensive routers and inefficient hubs as the ultimate networking solution Switching brought a whole new way of thinking to networking ...

Страница 8: ...gement is done over the network Once the LB FEA800M is on the network you can use Telnet to Log in and change the configuration Web based Management The Switch provides an embedded HTML web site residing in flash memory It offers advanced management features and allow users to manage the LB FEA800M from anywhere on the network through a standard browser such as Microsoft Internet Explorer SNMP Net...

Страница 9: ...45 ports automatic MDI MDIX and the LED indicators are also located on the frond panel of the switch Figure 2 1 The Front Panel of theLB FEA800M n RJ 45 Ports Auto MDI MDIX 8x 10 100 auto sensing for 10Base T or 100Base TX connections In general MDI means connecting to another Hub or Switch while MDIX means connecting to a workstation or PC Therefore Auto MDI MDIX means that you can connect to ano...

Страница 10: ... 2 2 LED Indicators LED Status Color Description Power On Green Power On On Green The port is operating at the speed of 100Mbps 100M Off In 10Mbps mode or no device attached On Green The port is successfully connecting with the device Blinks Green The port is receiving or transmitting data LNK ACT Off No device attached On Orange The port is operating in Full duplex mode FDX COL Blinks Orange Coll...

Страница 11: ...ole management can be done through the Console Port It requires a direct connection between the Switch and an end station PC via a RS 232 cable Desktop Installation Set the switch on a sufficiently large flat space with a power outlet nearby The surface where you put your Switch should be clean smooth level and sturdy Make sure there is enough clearance around the Switch to allow attachment of cab...

Страница 12: ...prevent the Switch from shock vibration Figure 2 4 Attaching Rubber Feet to each corner on the bottom of the Switch Power On Connect the power cord to the power socket on the rear panel of the Switch The other side of power cord connects to the power outlet Check the power indicator on the front panel to see if power is properly supplied ...

Страница 13: ...ktop Application The LB FEA800M series are designed to be a desktop size switch that is an ideal solution for small workgroup The Switch can be used as a standalone switch to which personal computers server printer server are directly connected to form small workgroup Figure 3 1 Desktop Application Segment Application For enterprise networks where large data broadcast are constantly processed ...

Страница 14: ...ices in this network can communicate with each other Connecting servers to the backbone switch allow other users to access the server s data The Switch automatically learns node address which are subsequently used to filter and forward all traffic based on the destination address You can use any of the RJ 45 port of the LB FEA800M to connect with another Switch or Hub to interconnect each of your ...

Страница 15: ...the console program user has access to manage the functions of the Switch Connecting to the Console Port Use the supplied RS 232 cable to connect a terminal or PC to the console port The terminal or PC to be connected must support the terminal emulation program Figure 4 1 Connecting the Switch to a terminal via RS 232 cable After the connection between Switch and PC is finished turn on the PC and ...

Страница 16: ...ess Enter Key and the Main Menu of console management appears Console Menu 1 The switch also provide a serial interface to manage and monitor the switch user can follow the Console Port Information provide by web to use windows HyperTerminal program to link the switch 2 You can type user name and password to login The default user name is root the default password is root ...

Страница 17: ...iguration Configure the protocol function n Reboot Switch Restart the system or reset switch to default configuration n Logout Exit the menu line program Control Key The control key as follow provided in all menus n Tab Move the vernier to next item n Backspace Move the vernier to previous item n Enter Select item n Space Toggle selected item to next configure Status and Counters ...

Страница 18: ... n Type Display the port type n Enabled Display the port is enabled or disable depended on user setting Enable will be display Yes disable will be display No n Status Display the port is link or no link Down is no link and Up is link n Mode Display the port speed and duplex n FlowCtrl Display the flow control status is enable or disable mode ...

Страница 19: ...previous page Next page Display next page Port Counters The following information provides a view of the current status of the unit Actions You can press the key of Tab or Backspace to choose action menu and press Enter key to select item Quit Exit the page of port status and return to previous menu Reset All Set all count to 0 Previous Page Display previous page Next page Display next page ...

Страница 20: ...ed by manufacturer Firmware Version Display the switch s firmware version Hardware Version Display the switch s Hardware version Default configure value version Display write to default EEPROM value version Switch Static Configuration You can press the key of Tab or Backspace to choose item and press Enter key to select item ...

Страница 21: ...is page provide user to configure the device information Actions Edit Configure all items Finished configure press Backspace to go back action menu line Save Save all configure value Quit Exit the page of device information and return to previous menu ...

Страница 22: ... in the new value Actions Edit Configure all items Finished configure press ESC to go back action menu line Save Save all configure value Quit Exit the page of IP configuration and return to previous menu Note Always restart the computer after finishing the setup ...

Страница 23: ...Change Username Use this page user can change web management user name Change Password Use this page user can change web management user password ...

Страница 24: ...ed on port 1 port 8 only 100Mbps on port 9 and set full duplex or half duplex mode 4 Flow Control User can set flow control function is enable or disable 5 Group User can set trunk group for port1 prot8 There are four trunk groups to provided configure Actions Quit Exit the page of port configuration and return to previous menu Edit Configure all items Finished configure press ESC to go back actio...

Страница 25: ...mean mirror port can be used to see all monitor port traffic 3 Source Port The ports you want to monitor All monitor port traffic will be copied to sniffer port You can select max 9 monitor ports in the switch User can choose want to monitored RX frames only or TX frames only or both RX and TX frame from the port at Action item Actions Quit Exit the page of port monitoring configuration and return...

Страница 26: ...AN but that don t support tagging Only one untagged VLAN is allowed per port 2 Ingress Filter 1 It s matches that Ingress Filtering Rule 1 on web Forward packets only with VID matching this port s configured VID Press Space key to choose forward or drop the frame that VID not matching this port s configured VID 3 Ingress Filter 2 It matches that Ingress Filtering Rule 2 on web Drop untagged frame ...

Страница 27: ...D between 2 4094 The default is 1 3 Protocol VLAN Press Space key to choose protocols type 4 Mode Press Space key to choose VLAN member There are three types to select as 802 1Q 802 1Q with GVRP and PortBase n Untagged the member port is un tagged port n Tagged the member port is tagged port n NO The port is not member of this VLAN group ...

Страница 28: ...LAN Group In this page user can edit or delete a VLAN group 1 Press Edit or Delete item 2 Choose the VLAN group that you want to edit or delete and then press enter 3 User can modify the protocol VLAN item and the member port is tagged or un tagged and remove some member ports from this VLAN group 4 After edit or delete VLAN press Save key to save all configures value NOTE 1 The VLAN Name and VLAN...

Страница 29: ...it Exit this page and return to previous menu n First In First Out The sequence of packets sent is depend on arrive order n High to Low The high priority packets sent before low priority packets n Ratio Select the preference given to packets in the switch s high priority queue These options represent the number of high priority packets sent before one low priority packet is sent For example 2 High...

Страница 30: ...s in the switch s address table regardless of whether the device is physically connected to the switch This saves the switch from having to re learn a device s MAC address when the disconnected or powered off device is active on the network again In this page user can add modify delete a static MAC address ...

Страница 31: ... 5 Press ESC to go back action menu line and then select Save to save all configure value Edit static MAC address 1 Press Edit key to modify a static MAC address 2 Choose the MAC address that you want to modify and then press enter 3 Press Edit key to modify all the items 4 Press ESC to go back action menu line and then select Save to save all configure value Delete static MAC address 1 Press Dele...

Страница 32: ...nter 3 Press Edit key to modify all the items 4 Press ESC to go back action menu line and then select Save to save all configure value Delete Filtering MAC address 1 Press Delete key to delete a Filtering MAC address 2 Choose the MAC address that you want to delete and then press enter 3 After delete Filtering MAC address you have to press Save to complete the deleting operation ...

Страница 33: ...rmission of address learning Only the incoming packets with SMAC already existing in the address table can be forwarded normally User can disable the port from learning any new MAC addresses and then use the static MAC addresses screen to define a list of MAC addresses that can use the secure port ...

Страница 34: ...save all configure value 4 3 7 2 MAC Age Interval Type the number of seconds that an inactive MAC address remains in the switch s address table The valid range is 300 765 seconds Default is 300 seconds Actions Edit Configure all items Finished configure press ESC to go back action menu line Save Save all configure value Quit Exit this page and return to previous menu ...

Страница 35: ...igure the broadcast storm filter mode Press Space key to choose the threshold value The valid threshold value are 5 10 15 20 25 and NO Actions Edit Configure all items Finished configure press ESC to go back action menu line Save Save all configure value Quit Exit this page and return to previous menu ...

Страница 36: ... in switch If enable the low priority packet stays in switch exceed Max Delay Time it will be sent Press Space key to enable or disable this function Max Delay Time To set the time that low priority packets queuing in switch The valid range is 1 255 ms NOTE Make sure of Max bridge transit delay bound control is enabled before enable Delay Bound because Enable Delay Bound must be work under Max bri...

Страница 37: ...all configure value Quit Exit this page and return to previous menu 4 4 Protocol Related Configuration 4 4 1 STP 4 4 1 1 STP Enable This page is enable or disable Spanning Tree function Press Space key to select enable or disable ...

Страница 38: ...36 4 4 1 2 System Configuration 1 You can view spanning tree information about the Root Bridge on the left 2 On the right user can setting new value for STP parameter ...

Страница 39: ...he path cost of the port that switch uses to determine which port are the forwarding ports If you change the value you need to restart the switch for valid value 3 Priority This is mean port priority you can make it more or less likely to become the root port If you change the value you need to restart the switch for valid value ...

Страница 40: ...management stations as trap managers and to enter SNMP community strings User can also define a name location and contact person for the switch 4 4 2 1 System Options Press Edit to enter all items and then press Save to save configure value ...

Страница 41: ... Strings Use this page to enter SNMP community strings 1 Community Name Type the name of current strings 2 Write Access Enable the rights is read only or read write Read only Read only enables requests accompanied by this string to display MIB object information Read Write Read write enables requests accompanied by this string to display MIB object information and to set MIB objects ...

Страница 42: ...s Save to complete the deleting operation Save Save all configure value Quit Exit this page and return to previous menu 4 4 2 3 Trap Managers A trap manager is a management station that receives traps the system alerts generated by the switch If no trap manager is defined no traps are issued Create a trap manager by entering the IP address of the station and a community string ...

Страница 43: ...Actions Add Create a trap manager Edit Modify all items Finished configure press ESC to go back action menu line Delete Delete a trap manager After delete item press Save to ...

Страница 44: ...e you can enable disable the GVRP GARP VLAN Registration Protocol support Press Space key to choose Enabled Disabled Actions Edit Configure all items Press Space key to choose Enable or Disabled mode Finished configure press ESC to go back action menu line Save Save all configure value Quit Exit this page and return to previous menu ...

Страница 45: ...oup If disable the group is local static trunking group 3 LACP Work Port Num The max number of ports can be aggregated at the same time If LACP static trunking group the exceed ports is standby and able to aggregate if work ports fail If local static trunking group the number must be the same as group ports NOTE Before set LACP support you have to set trunk group on the page of Port Trunk Configur...

Страница 46: ...ave all configure value Quit Exit this page and return to previous menu 4 4 4 2 State Activity Active The port automatically sends LACP protocol packets Passive The port does not automatically sends LACP protocol packets and responds only if it receives LACP protocol packets from the opposite device ...

Страница 47: ...ems Finished configure press ESC to go back action menu line Save Save all configure value Quit Exit this page and return to previous menu 4 4 4 3 LACP Status When you setting trunking group you can see relation information in here ...

Страница 48: ...his page and return to previous menu Previous Page Return to previous page to view Next page Go to next page to view 4 5 Reboot Switch Default Reset switch to default configuration Restart Reboot the switch in software reset ...

Страница 49: ...ress X key to start upgrading for X modem 1 First disconnect terminal and modify baud rate to 57600bps then do the connection again 3 Select send file under transfer menu from menu bar 4 Press browse button to select the path ...

Страница 50: ...48 5 Select 1K X modem of protocol and press Send button 6 After successfully upgraded the new firmware please modify baud rate to 9600bps ...

Страница 51: ...a standard Web Browser NOTE For those who use Win2000 have the Service Pack2 function the web management function will have unexpected display if the IE version is below version 5 5 Web Management Function 1 Web Management Function provides a Web browser to manage and monitor the switch the default values as follows If you need change IP address in first time you can use console mode to modify it ...

Страница 52: ...nlink will be treated as off Link Status Down is No Link UP is Link Auto Negotiation auto negotiation mode Speed status Display 100Mbps or 10Mbps speed Port 1 8 is 10 100Mbps Port 9 is 100 Mbps Duplex status Display full duplex or half duplex mode Flow control Display flow control status enable or disable mode Config Display the state of user setting Atual Display the negotiation result ...

Страница 53: ...User can see a single port counter as follows 5 3 Port Statistics 1 The following information provides a view of the current status of the unit ...

Страница 54: ...on Filter database VLAN configuration Spanning Tree Port Mirror SNMP Security Manager TFTP Update Firmware Configuration Backup Reset system and Reboot 5 4 1 IP Address 1 User can configure the IP Settings and fill in the new value than clicks apply button 2 User must be reset switch and use new IP address to browser this web management ...

Страница 55: ...e type 2 MAC Address The unique hardware address assigned by manufacturer default 3 Firmware Version Display the switch s firmware version 4 Hardware Version Display the switch s Hardware version 5 Default configure value version Display write to default EEPROM value version ...

Страница 56: ...in switch If enable the packets queued exceed will be drop This valid value are 1sec 2 sec 4 sec and off Default is 1 seconds Broadcast Storm Filter To configure broadcast storm control enable it and set the upper threshold for individual ports The threshold is the percentage of the port s total bandwidth used by broadcast traffic When broadcast traffic for a port rises above the threshold you set...

Страница 57: ... one low priority packet is sent For example 2 High 1 Low means that the switch sends 2 high priority packets before sending 1 low priority packet Enable Delay Bound Limit the low priority packets queuing time in switch Default Max Delay Time is 255ms If the low priority packet stays in switch exceed Max Delay Time it will be sent The valid range is 1 255 ms NOTE Make sure of Max bridge transit de...

Страница 58: ...Tree Protocol Default recommend to enable STP Enable Internet Group Multicast Protocol enable IGMP protocol IGMP Query Mode Recognize different Query from client or server to decide which Queryer will be the first priority they are three mode as follow 1 Auto Mode Choose the indicated Switch which has the smallest IP address will be set for the IGMP Queryer 2 Enable Mode Enable one of Switch to be...

Страница 59: ... Also three kind of typologies shown as below indicate how the IGMP Query work within a network 1 This topology has to be set for when the router s IP address is smaller than other Switch in subnet 2 This topology has to be set for when the router s IP address is not smaller than other Switch in subnet ...

Страница 60: ...ble mode and the Router has to be the Queryer 3 This topology must be set for when the Switch s IP address is not the smallest in the subnet If in Auto mode the network will cause multi cast storm from the client IGMP report the topology shown as below is necessary to be set for ...

Страница 61: ...en the switch and nodes If the switch is connected to a device with GVRP enabled you can send a GVRP request using the VID of a VLAN defined on the switch the switch will automatically add that device to the existing VLAN 5 4 3 Console Port Information 1 Console is a standard UART interface to communicate with Serial Port User can use windows HyperTerminal program to link the switch Connect To Con...

Страница 62: ...this port control Auto Negotiation User can set auto negotiation is enable or disable of per port Speed setting User can set 100Mbps or 10Mbps speed Port1 Port8 Duplex setting User can set full duplex or half duplex mode Flows control setting User can set flow control function is enable or disable ...

Страница 63: ...the link to that Link Aggregation Group and enable its transmission and reception functions in an orderly manner In conclusion Link aggregation lets you group up to eight consecutive ports into a single dedicated connection This feature can expand bandwidth to a device on the network LACP operation requires full duplex mode more detail information refer to IEEE 802 3ad 5 4 5 1 Aggregator setting S...

Страница 64: ...CP dynamic trunking group If connecting to the device that also supports LACP the LACP dynamic trunking group will be created automatically 3 Work ports The max number of ports can be aggregated at the same time If LACP static trunking group the exceed ports is standby and able to aggreate if work ports fail If local static trunking group the number must be the same as group ports 4 Select the por...

Страница 65: ... 4 5 3 State Activity Active select The port automatically sends LACP protocol packets Passive no select The port does not automatically sends LACP protocol packets and responds only if it receives LACP protocol packets from the opposite device 1 A link having either two active LACP ports or one active port can ...

Страница 66: ...ive LACP ports will not perform dynamic LACP trunking because both ports are waiting for and LACP protocol packet from the opposite device 2 If you are active LACP s actor when you are select trunking port the active status will be created automatically ...

Страница 67: ... group VID and member port in here IP multicast addresses range from 224 0 0 0 through 239 255 255 255 The Internet Group Management Protocol IGMP is an internal protocol of the Internet Protocol IP suite IP manages multicast traffic by using switches routers and hosts that support IGMP Enabling IGMP allows the ports to detect IGMP queries and report packets and manage IP multicast traffic through...

Страница 68: ...age sent by a host to the querier to indicate that the host has quit to be a member of a specific multicast group 5 4 6 2 Static MAC Address When you add a static MAC address it remains in the switch s address table regardless of whether the device is physically connected to the switch This saves the switch from having to re learn a device s MAC address when the disconnected or powered off device ...

Страница 69: ...Ns Type the VID tag based VLANs to associate with the MAC address 6 Click add 5 4 6 3 Port Security A port in security mode will be locked without permission of address learning Only the incoming packets with SMAC already existing in the address table can be forwarded normally User can disable the port from learning any new MAC addresses then use the static MAC addresses screen to define a list of...

Страница 70: ... a VLAN from a switch is logically equivalent of reconnecting a group of network devices to another Layer 2 switch However all the network devices are still plug into the same switch physically The 8TP 1Fiber Management Switch support port based and protocol base VLAN in web management page In the default configuration VLAN support is enable and all ports on the switch belong to default VLAN VID i...

Страница 71: ... VLAN In order for an end station to send packets to different VLANs it itself has to be either capable of tagging packets it sends with VLAN tags or attached to a VLAN aware bridge that is capable of classifying and tagging the packet with different VLAN ID based on not only default PVID but also other information about the packet such as the protocol 5 4 7 1 Basic Create a VLAN and add tagged me...

Страница 72: ...VID is 100 all untagged packets on port 9 will belong to VLAN 100 The default setting for all ports is VID 1 This feature is useful for accommodating devices that you want to participate in the VLAN but that don t support tagging Only one untagged VLAN is allowed per port Ingress Filtering Ingress filtering lets frames belonging to a specific VLAN to be forwarded if the port belongs to that VLAN 8...

Страница 73: ...h at a time is active between any two nodes on the network You can enable Spanning Tree Protocol on web management s switch setting advanced item select enable Spanning Tree protocol We are recommended that you enable STP on all switches ensures a single active path on the network 1 You can view spanning tree information about the Root Bridge Such as follow screen 2 You can view spanning tree stat...

Страница 74: ...n messages before attempting a reconfiguration Enter a number 6 through 40 Hello Time You can change Hello time value the number of seconds between the transmission of Spanning Tree Protocol configuration messages Enter a number 1 through 10 Forward Delay time You can change forward delay time The number of seconds a port waits before changing from its Spanning Tree Protocol learning and listening...

Страница 75: ...the port that switch uses to determine which port are the forwarding ports the lowest number is forwarding ports the rage is 1 65535 and default value base on IEEE802 1D 10Mb s 50 600 100Mb s 10 60 If you change the value you must reboot the switch 5 4 9 Port Mirror The Port Mirror is a method for monitor traffic in switched networks Traffic through ports can be monitored by one specific port That...

Страница 76: ...MP Any Network Management running the simple Network Management Protocol SNMP can management the switch Provided the Management Information Base MIB is installed correctly on the management station The SNMP is a Protocol that governs the transfer of information between management and agent The 8TP 1Fiber Management Switch supports SNMP V1 1 Use this page to define management stations as trap manag...

Страница 77: ...s requests accompanied by this string to display MIB object information Read write Enables requests accompanied by this string to display MIB object information and to set MIB objects 3 Trap Manager A trap manager is a management station that receives traps the system alerts generated by the switch If no trap manager is defined no traps are issued Create a trap manager by entering the IP address o...

Страница 78: ... user can change web management user name and password User name root Password root 5 4 12 TFTP Update Firmware 1 The following menu options provide some system control functions to allow a user to update firmware and remote boot switch system ...

Страница 79: ...s update firmware 5 4 13 Configuration Backup 5 4 13 1 TFTP Restore Configuration Use this page to set TFTP server address You can restore EEPROM value from here but you must put back image in TFTP server switch will download back flash image 5 4 13 2 TFTP Backup Configuration Use this page to set TFTP server IP address You can save current EEPROM value from here then go to the TFTP restore config...

Страница 80: ...78 page to restore the EEPROM value ...

Страница 81: ...5 4 14 Reset System Reset Switch to default configuration default value as below 5 4 15 Reboot Reboot the Switch in software reset ...

Страница 82: ...lass of Service IEEE802 3ad Link aggregation Protocol CSMA CD Transfer Rate 14880 packets per second for 10Mbps 148800 packets per second for 100Mbps LED Indicators Per unit Power Per RJ 45 port Link Activity 100Mbps Full duplex Collision Network Cables UTP STP Cable 100Meters MAC Address 8K MAC address Table Data Buffer 2Mbits Switch Fabric Bandwidth Non blocking store and Forward Up to 3 8Gbps D...

Страница 83: ...Operational Temp 0 50 Power Supply 100 240VAC 50 60 Hz Power Consumption 15 Watts EMI Safety FCC A CE UL cUL ...

Страница 84: ...d other network problem and can seriously impair network performance A category 5 cable tester is a recommended tool for every 100Base T network installation n Improper Network Topologies It is important to make sure that you have a valid network topology Common topology faults include excessive cable length and too many repeaters hubs between end nodes In addition you should make sure that your n...

Страница 85: ...solve the problem contact your local dealer for assistance n Cabling RJ 45 ports Use unshielded twisted pair UTP or shield twisted pair STP cable for RJ 45 connections 100Ω Category 3 4 or 5 cable for 10Mbps connections or 100Ω Category 5 cable for 100Mbps connections Also be sure that the length of any twisted pair connection does not exceed 100 meters 328 feet 100Base FX fiber port Fiber multi m...

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