IES6116 series
Managed Industrial Ethernet Switch
User manual
Version 1.0.0, Mar. 2015
www.3onedata.com
Page 1: ...IES6116 series Managed Industrial Ethernet Switch User manual Version 1 0 0 Mar 2015 www 3onedata com ...
Page 2: ...belong to their respective manufacturers Agreement As the product version upgrades or other reasons this document is subject to change without notice Unless other agreement this document only as a guide to use All statement information and suggestion in this document without warranty of any kind either expressed or implied Revision History Version No Date Reason V1 0 0 2015 03 27 Creating Document...
Page 3: ...n 12 Chapter 4 Packing List 13 Chapter 5 Network Configuration 14 5 1 Configure PC s IP Address 14 Chapter 6 WEB Management 15 6 1 Configurate preparing 15 6 2 System status 17 6 3 Port Configuration 19 6 3 1 Port Settings 19 6 3 2 Bandwidth Management 21 6 3 3 Storm Suppression 22 6 4 L2 Feature 24 6 4 1 Port based VLAN 24 6 4 2 IEEE 802 1Q VLAN 25 6 4 3 IGMP Snooping 26 6 4 4 GMRP 27 6 4 5 Stati...
Page 4: ...tabase certification 47 6 7 5 MAC port lock 47 6 8 Remote monitoring 49 6 8 1 SNMP management 49 6 8 2 RMON 51 6 8 2 1 Rmon statistics 51 6 8 2 2 Rmon History 51 6 8 2 3 Rmon alarm 52 6 8 2 4 Rmon Event 52 6 8 3 Email Warning 53 6 8 4 Relay Warning 54 6 9 Port Statistics 56 6 9 1 Rx Frame Statistics 56 6 9 2 Tx Frame Statistics 57 6 9 3 Traffic Statistics 58 6 9 4 MAC address table 59 6 10 Diagnos...
Page 5: ...User manual 4 www 3onedata com 7 1 Internet Service 72 7 2 Make a call to our technical office 72 7 3 Repair or Replace 72 Appendix 1 Glossary table 73 Appendix 2 Treatment of common problem 75 ...
Page 6: ...Industrial environment requirement It can use in power water conservancy transportation area etc 1 2 Features Support 16 Fast Ethernet port 8K MAC address table Back panel bandwidth 12 8Gbps Back pressure and flow control Support Error source address filtering CRC parity error filtering and MAC address conflict detection Support MAC address learning aging automatic Strong aluminum panel shell stru...
Page 7: ...l 2 www 3onedata com Industrial grade 4 design 40 75 work temperature Support 2 input power power supply redundancy backup 1 relay alarm output the natural heat Iron shell protection grade IP40 DIN rail mounting ...
Page 8: ...sign is basically the same only the number of different optical fiber interface IES6116 P 12 48VDC 1 Systems running LED 2 The power LED 3 Relay alarm LED 4 Link ACT LEDs 5 10 100BaseT X RJ45 ports 6 DIP switch 7 Console port 8 Relay output terminal block 9 Power input terminal block 10 Ground screw 11 DIN Rail mount IES6116 2F P 12 48VDC ...
Page 9: ...onsole port 9 Relay output terminal block 10 Power input terminal block 11 Ground screw 12 DIN Rail mount IES6116 4F P 12 48VDC 1 Systems running LED 2 The power LED 3 Relay alarm LED 4 Link ACT LEDs 5 10 100BaseT X RJ45 ports 6 100Base FX ports 7 DIP switch 8 Console port 9 Relay output terminal block 10 Power input terminal block 11 Ground screw 12 DIN Rail mount ...
Page 10: ...Ds 5 10 100BaseT X RJ45 ports 6 100Base FX ports 7 DIP switch 8 Console port 9 Relay output terminal block 10 Power input terminal block 11 Ground screw 12 DIN Rail mount IES6116 8F P 12 48VDC 1 Systems running LED 2 The power LED 3 Relay alarm LED 4 Link ACT LEDs 5 10 100BaseT X RJ45 ports 6 100Base FX ports 7 DIP switch ...
Page 11: ...redundancy power two kinds of power input The singe power AC series top panel provides 3 bit terminal block for 100 240VAC DC power entered L PG N Important notice 1 Power ON operation first of all insert power cable s terminal block into device s power port then insert power supply plug into power source 2 Power OFF operation First off all unpin power plug then strike the terminal block please ta...
Page 12: ... RJ45 The pinout of RJ45 port connects to UTP or STP The distance is not more than 100m 100Mbps Ethernet connector takes 120Ω of UTP 5 10Mbps Ethernet connector takes 120Ω of UTP 3 4 5 RJ 45 port supports automatically MDI MDI X connection It can connect PC Server Converter and HUB Corresponding connection of Pin 1 2 3 6 is like this 1 3 2 6 3 1 6 2 The definition of Pin is displayed as below Info...
Page 13: ... or MM SC ST FC optional The fiber port must be used in pair TX transmitting port connects remote switch s RX receive port RX receiving port connect remote switch s TX transmitting port Suppose If you make your own cable we advise to label the two sides of the cable with the same letter A to A and B to B shown as below or A1 to A2 and B1 to B2 ...
Page 14: ...t is close to the connection equipment and other equipments are prepared or not 1 Avoid in the sunshine keep away from the heat fountainhead or the area where in intense EMI 2 Examine the cables and plugs that installation requirements 3 Examine whether the cables be seemly or not less than 100m according to reasonable scheme 4 Screw nut tool provide by yourself 5 Power DC dual power supply series...
Page 15: ...ht in the hallways and turning 6 Cable should be straight in the groove and cannot beyond the groove in case of holding back the inlet and outlet holes Cables should be banded and fixed when they are out of the groove 7 User cable should be separated from the power lines Cables power lines and grounding lines cannot be overlapped and mixed when they are in the same groove road When cable is too lo...
Page 16: ...User manual 11 www 3onedata com Chapter 3 Appearance and Dimension 3 1 Appearance IES6116 P 12 48VDC IES6116 2F P 12 48VDC IES6116 4F P 12 48VDC IES6116 6F P 12 48VDC ...
Page 17: ...User manual 12 www 3onedata com IES6116 8F P 12 48VDC 3 2 Dimension The series of products are the same size and the number of the Ethernet interface is different Unit mm ...
Page 18: ...d accessories by your first using Please inform us or our distributor if your equipments have been damaged or lost any accessories we will try our best to satisfy you Description Quantity 3onedata Industrial Ethernet switch 1 User manual 1 CD 1 Warranty card 1 Certificate of quality 1 ...
Page 19: ...tting PC s IP address 192 168 1 X X is less than 254 from 2 to 253 Click OK IP address modifies successfully Method 2 Modify IES6116 series IP address through BlueEyes_II manager software Install BlueEyes_II manager software on the PC Enter into BlueEyes_II management interface click Search to search the device After searching the device move mouse to the device click right key modify the device s...
Page 20: ...e subnet IP address configuration please refer to 5 1 if need local configuration Computers and switches must be routed reach if for remote configuration How to log on to Web Server Please type in the default IP of switch on the browser s address bar and then will pop up a window by clicking the enter key which shows you have to enter your user name and password The default username and password i...
Page 21: ... MAC address and its corresponding port QOS QoS Classification Configure the QOS queue mode QOS implementation and port default priority Cos Mapping Configure the meaning of COS value Tos Diffserv Mapping Configure the DSCP priority Mapping Table of ToS DSCP Value and Priority Queues Redundancy Rapid Ring Configure the rapid ring network port and type Include Ring V3 and RSTP Port Trunking Configu...
Page 22: ...re the switch configuration Logout Off switch landing Web Timeout Treatment The system timeout will cancel the login if the user did not login for a long time The configuration of this login will be remained in the Web interface If user doesn t operate the Web interface for a long time The system will be canceled this login but configuration change made in this login will be saved in Web configura...
Page 23: ...tact Information Contact information of the operator for device maintenance MAC address Hardware address of the device It is a unique address which is made up of hexadecimal number with 48 bits 6 bytes in length Hardware Version Current hardware version Firmware Version Current firmware version Current Time Current time of the device Time display Figure 6 2 2 Port information Figure 6 2 3 Port 1 2...
Page 24: ...ation speed and duplex auto negotiation Figure 6 3 1 Configuration Items Description Port Port name corresponding to mark in panel Type Display port type TX or FX Speed Display configurable speed of port or auto negotiation mode Duplex Auto negotiation AUTO full duplex FULL half duplex HALF optional default mode is auto negotiation mode Enable Configurable ports enable or disable Selecting square ...
Page 25: ...2 5nm multi mode fiber and 50nm multi mode fiber Auto negotiation includes 2 kinds of speed according the capability of the other end 10M and 100M Port Enable This item provides a device to enable disable the port When choosing disable the device would cut off power supply of this port Even if other device is connected to this port all status indicators of this port are OFF Only enable this port a...
Page 26: ...t The device provides port based speed limitation including ingress and egress limitation User can limits communication flow of each port and quits the flow limitation of the port User can choose a settled speed the range is 64Kbps 100Mbps The type of port limitation includes all unicast multicast and broadcast When the port speed reaches the appointed speed the device will enable or disable flow ...
Page 27: ...e network unable to transport normal traffic Figure 6 3 3 There are many reasons to cause broadcast storm For example a redundant or incorrect connect among switches If enable storm suppression it can stop the attack Our device can detect 2 kinds of broadcast messages according to the type of broadcast storm Broadcast packets data frame of the destination address of FF FF FF FF FF FF Multicast pac...
Page 28: ...a frames is 64 bytes Each 64 Kb of data communication includes about 128 Ethernet data frames with 64 byte 3 In the network the broadcast packets are more than 800packet s the network delay is obvious 4 The recommended setting is 3 based on the above theory 5 Please be caution to use MAC control frame and destination lookup failure frame disabling IGMP Snooping will have impact on the transmission...
Page 29: ...rts must belong to one or more VLAN 1 Add Item Group name can use any valid characteristic in port based VLAN The same group name means you need to modify the members of the group A new group name means the new transmission rule is built The transmission item is not more than 32 in port based VLAN It just changed the inside exchange rule cannot achieve across switch 1 Choice VLAN Group like as 3 m...
Page 30: ...the port will be added in VLAN table and no tag of the egress frame T means the port will be added in VLAN table and no need tag the egress frame 3 The default setting of the port is PVID change the VLAN group member s port PVID the same as VID For special application and PVID and VID can be different 4 Choice Add Edit Button the VLAN item will be added in VLAN table Will be replace directly if th...
Page 31: ... to join or leave multicast group to the neighboring router through IGMP Internet Group Management Protocol protocol IGMP Snooping is multicast constraining mechanism It manages and controls multicast group by snooping and analysis of the IGMP messages between the host and the multicast device Work process of IGMP Snooping the switch snoops messages between the host computer and the router and tra...
Page 32: ...the need to install or configure software on hosts When a host wants to join an IP multicast group it sends an IGMP join message which spawns a GMRP join message Upon receipt of the GMRP join message the switch adds the port through which the join message was received to the appropriate Multicast group The switch propagates the GMRP join message to all other hosts in the VLAN one of which is typic...
Page 33: ... Add Edit Delete were used for add delete static Multicast MAC address All none multicast address did not allow to add in this table and the format must according to XX XX XX XX XX XX did not have space or other illegal character otherwise will be display warning information For example add address 01 22 6F 01 02 03 member is port 2 3 4 and then data frame of destination address can just send to p...
Page 34: ...1 Weighted Fair priority Weighted Fair refers to this port sends message according to queue priority High Medium Normal and low in proportion of 8 4 2 1 when some ports traffic is heavy If sending speed is less than bandwidth the message of each priority queues can send normally if the port keeps sending in full speed then the rest of the message of each priority queues will be discarded 6 5 1 2 S...
Page 35: ...priority no need to set up Port 1 2 3 4 port 1 the priority is the highest When these 4 port s receive data must transfer from other port because the limited of bandwidth will be transferred according to priority queue mechanism If use strict mode then port 1 s data must be transferred over at first If use Weighted Fair 8 4 2 1 the 4 port will be transferred according 8 4 2 1 ratio Figure 6 5 2 6 ...
Page 36: ...ority 0 and the highest priority 63 In fact the DSCP field is a superset of the IP precedence field DSCP field definition is backward compatible with IP precedence field So far the defined DSCP with default DSCP the value is 0 class selector DSCP defined as the backward compatible with IP precedence the value 8 16 24 32 40 48 56 Expedited Forwarding EF generally used for low latency service the re...
Page 37: ...ed into the highest priority queue if you set the port priority as 1 2 DSCP priority comes second unless we do not set DSCP therefore will check 802 1p priority otherwise it will line up according to the DSCP settings 3 As above the three priority can be used alone can also be used at the same time queuing according to the above rules ...
Page 38: ... two or more ports between switches switches and routers hosts the switch or router connected in parallel to provide for the simultaneous transmission of higher bandwidth and greater throughput significantly entire network capacity Trunking is more economical to increase the bandwidth between the switch and network device such as servers routers workstations or other switches Trunking function is ...
Page 39: ...t switch which can make you easily and conveniently establish redundant Ethernet and can facilitate the quick recovery of any network section of automatic system disconnected from the network IES6116 series supports maximum 4 ring groups Each group set up 2 ports as Ring Port and a port cannot belong to several rings Hello_time setting is time interval of sending detecting packet to network at reg...
Page 40: ...structure with flexibility by taking an advanced software technology In fact Chain is to cascade several switches already set up to Ring and both sides of chain access to network Dual Homing refers to a fact that two Rings connect the same switch This type of configuration is ideal choice for centralized management of several Rings Method to enable Chain and Dual Homing is similar to that to enabl...
Page 41: ...we can send dual ring is 2 rings combining the point is number 105 switch Operating method 1 Use the configure method of singe ring to configure 101 102 103 104 105 switch s port 5 and port 6 as ring port and group is 1 2 Use the configure method of singe ring to configure 105 106 107 108 switch s port 7 and port 8 as ring port and group is 2 3 Connect group 1 through network cable 4 Connect group...
Page 42: ...e very fast or it will influence CPU dealing speed 2 Set up Port 1 and 2 of Device 105 106 to be Ring Ports in Ring Group 1 Network ID is 1 Ring Type Single Set up Port 4 of device to be Coupling Port in Ring Group 2 Coupling Control Port is 2 Network ID is 3 and Ring Type is Couple As shown in figure 6 6 9 Figure 6 6 9 3 Set up Port 4 and 5 of Device 100 101 to be Ring Ports in Ring Group 1 Netwo...
Page 43: ...Coupling Ring is completed Control port as shown above figure 6 6 8 device 105 and the device 106 connected to two ports device 100 and device 101 is connected to two ports two also known as the control port 6 6 2 4 Ring V3 Chain Configuration Chain ring structure figure as 6 6 11 Chain Figure 6 6 11 Operating method 1 Enable Ring Group 1 Hello time can be disable too if it enable time of sending ...
Page 44: ...entity must be consistent otherwise it will not built a ring and cannot communicate 3 All ring ports in the VLAN settings must be TRUNK tagged VLAN member otherwise cannot communicate 4 To form tangent ring or other complex rings should pay attention to the ring identity whether is it consistent different single ring identification must be different 6 6 3 Rapid Spanning Tree Protocol RSTP Enter in...
Page 45: ...and port ID Point to point network connection Directly connect with switches port each other the port is P2P which adopted negotiation mechanism RSTP can achieve port state rapid conversion RSTP Directly connect terminal Connect the edge of network switch with terminal devices with configuration Edge port which can achieve port state rapid conversion without the processing Discarding Learning Forw...
Page 46: ...he forwarding state Forwarding can receive and send BPDU packet 6 7 Access control 6 7 1 Login settings Index User index indicates which group of users There are three user indexes in drop down list Access level administrator Have the right to check and configure all settings observer Have the right to check all settings merely Login name The identity of visitor with the letter combination is no m...
Page 47: ...ch responses as a status the response contains completion status information about the request and may also contain requested content in its message body HTTPS HTTPS is a communications protocol for secure communication adding the capabilities of SSL SSL protocol is between the TCP IP protocol and all kinds of application layer protocol to provide security support for data communication SSL protoc...
Page 48: ... enable IP Access Control function If the device s IP address and this IP address in the same network segment only this IP address can access the device If the device s IP address and this IP address is not in the same network segment so the setting is unsuccessful in order to transfer equipment http https must be enabled at least one Access Protocol individual browser use https cannot display com...
Page 49: ...ve a great advantage in carrying out the business of broadband multicast all business are not subject to certification way limit 802 1X authentication involves three parties Supplicant It s the users or customers want to get the authentication Authentication server Such as RADIUS server Authenticator Such as wireless access points switches etc Our device can play two roles of the certification sys...
Page 50: ...uthentication server which is used for authentication and the IP address domain name that the devices can access the default Port is 1812 Authenticate the Shared Password For device access the shared secret string of authentication server Billing System Server Configuration The IP address domain name that the device can access the default Port is 1813 Such as the example setting IEEE 802 1X server...
Page 51: ...ation option Please select Accessories Administrative Tools Component Services Service set the Wired AutoConfig to automatic billing server if the setting is incorrectly will also result in the applicant cannot pass authentication We do not need to set the appropriate port as the uplink port if don t have billing system the default is authenticated the user can not set up all uplink ports or downl...
Page 52: ... is used for adding modifying and deleting user groups Login account is a combination of figures letters and Chinese characters that not more than 16 bytes the user password is a combination of numbers letters and Chinese characters that is not more than 16 bytes Click Apply will trigger the restart of the updates to the database and the whole certification 1 Please use 802 1x landing tools such a...
Page 53: ...his PC can communicate with other ports but other computers connected to this port cannot communicate Button Add Edit and Delete for adding removing the static MAC address Static MAC address requests a valid input from the user will display warning messages if you enter an invalid MAC address Port field is used to select a static MAC address forwarding ports you can specify one or more forward por...
Page 54: ... SNMP V2C adopt authentication of Community Name The SNMP message of the community name which is not authenticated will be discarded SNMP community name defines the relationship of SNMP NMS and SNMP Agent User can choose the following one or more features related to community name 1 Defines MIB view of community name 2 Setup visit privilege of MIB objective is Write or Read Community name with Rea...
Page 55: ...s community has Get and Set privilege SNMP TRAP Gateway IP address of the receiver of the alarm information sent Agent The device supports warm start of Trap If existed IP address in Trap gateway click Apply the Trap receiver can get the trap information If the trap receiver cannot get trap information please check network setting and connecting Please pay attention to the privilege of Read and Wr...
Page 56: ... did not support now Figure 6 8 2 1 6 8 2 2 Rmon History Enter into Rmon history information configuration interface Setup a physical port used as receive port for monitoring data information Index used for marking a application port if the index is the same as before it will replace previous index Sample number is the item in the table need to hold default is none recommend 50 pieces Sample inter...
Page 57: ...to monitor the change of MIB target value when get sample two times When monitor MIB value reach or pass the rising threshold value will occur event correspond to rising event index When monitor MIB value reach or pass the falling threshold value will occur event correspond to falling event index Figure 6 8 2 3 6 8 2 4 Rmon Event Enter into Rmon information configuration interface Index correspond...
Page 58: ...ccess internet regularly if use Email Warning The gateway of the switch and local area network must identical Figure 6 8 3 Email warning function will send the warn information immediately by Email if these things happen NTP information connection statue changed login information broadcast storm information operating record and other system log ...
Page 59: ... of abnormal events hoping to find a contact e mail address Mail Interval Regularly send log interval time 6 8 4 Relay Warning Main function when the device is in an abnormal statue can timely inform the administrator and quickly repair equipment to avoid excessive losses Port alarm includes port dropped alarm port enabled alarm the device will output a signal to prompt the device is not working p...
Page 60: ...55 www 3onedata com Figure 6 8 5 Figure as above Relay warning mode have 3 types no warning when have change warning when have link warning when have no link user can choice the type according to their requirements ...
Page 61: ... by the port Drop Number of discarded normal data packets because of safety control Pause Ethernet control frames of protocol 0x8808 received by the port in full duplex mode this data packet is used to control frequency of data sending Undersize Number of data packets including FCS less than 64 bytes Oversize Number of data packets including FCS more than 1518 or 1522 bytes Enable VLAN Fragments N...
Page 62: ...t data packets sent by the port Multicast Numbers of the multicast data packets sent by the port Broadcast Numbers of the broadcast data packets sent by the port Drop Number of discarded normal packets because of lack of resources or not meeting analytic conditions excluding discarded packets because of conflict Pause Ethernet control frames of protocol 0x8808 sent by the port in full duplex mode ...
Page 63: ... because of lack of resources large amounts of low priority data after enabling QoS 6 9 3 Traffic Statistics Figure 6 9 3 Tx Number of bytes of all data packets sent by the port Rx Number of bytes of all data packets received by the port Unicast Number of unicast data packets sent and received by the port Multicast Number of multicast data packets sent and received by the port Broadcast Number of ...
Page 64: ...corresponding relationship will change accordingly Dynamic MAC address of the switch is powered restart will disappear the need to re learn 2 Static certification solidify MAC address Static authentication MAC address by configuring IEEE 802 1x authentication the switch will not be aging Regardless of the device is connected to the switch port happen to the MAC address table MAC address and port c...
Page 65: ...ording to switch s address so all MAC address displayed VLAN value is 0 2 Permanent static address configured in the previous static MAC address port list need to modify the corresponding item when port changed 3 Multicast address list displays the IGMP snooping item in the address list here all unicast address 4 MAC address aging time is 300 seconds the port is disconnected our parent program to ...
Page 66: ...tion through port mirroring group Each group includes a monitored port and a group of mirror ports Total bandwidth of mirroring is not more than that of monitored port It is good to monitor and manage its internal network data when using port mirroring in a company It is also good to locate the failure when network is cut up Example as figure Port 3 collects all of the data from port 1 and port 2 ...
Page 67: ...mount Ping sends an ICMP echo request message to the destination and report whether the receipt of the desired ICMP echo response PING is a command that used to check the network connection or the network speed Ping can test the computer name and computer IP address verify the connection with the remote computer ICMP echo packet is sent to your computer and snoop the echo reply packet to verify th...
Page 68: ...ing the faults 2 The domain of Host Address doesn t support unlimited expansion only not more than 3 levels domain like mail 3onedata com 3 Request timeout indicates the other network card is not working properly or some problems of lines 4 If the message unknown host name appears when Ping the domain it means DNS configuration is wrong 5 If the message Request timeout appears when Ping domain it ...
Page 69: ... to undated the time of the device Enable NTP To update the time of the device by using NTP protocol Time Zone Standard time zones could be defined by geometrically subdividing the Earth s spheroid into 24 lines The local time in neighboring zones would differ by one hour And the variation in the position of the sun from one end of the zone to the other east vs west would be at most 1 24 of the sk...
Page 70: ...ed NTP that need to connect internet please enter the available and correct gateway and DNS address IP Address IP address is an address of 32 bits length which is assigned to the device on the internet The IP address consists of two fields the network number field net id and the Host ID field host id For can conveniently manage IP address IP addresses are divided into five categories As blow Netwo...
Page 71: ...ddress is 255 255 255 0 Default Gateway Default gateway in the host PC is generally called default route Default route refer to a kind of router that destination address of IP data packet will choose when it don t find other existing route All data packets of destination address which don t exist in the list of router will choose default route DNS Address DNS Domain Name Server is for us to analyz...
Page 72: ...ormation interface graph we can see the device module device name device description device Serial number contact information this feature can change the above option select settings and then restart to take effect Figure 6 11 4 Name For marking each device on the network give the device a different name support for Chinese character input is no more than 16 bytes Description A summary description...
Page 73: ...rds NTP information and other system information Figure 6 11 5 1 Enable Log Status If you know the IP address of the device user name and password Click System Management Click system Log Choose Log Status Click Enable and save the configuration 2 Disable Log Status If you know the IP address of the device user name and password Click System Management Click system Log Choose Log Status Click Disa...
Page 74: ...formation click Download All to download all the information 6 11 5 System File Upgrade This function includes 4 kinds Factory Defaults Download Configuration Upload Configuration and upgrade Firmware Figure 6 11 6 1 Factory Default If you know the IP address of the device user name and password Use IE to login Web interface Click System Management Click System File Update Choose Factory Default C...
Page 75: ...s of the device user name and password Use IE to login Web interface Click System Management Click System File Update Choose Upgrade Firmware Click Browse and find the place of uploading the file Click Upgrade A suggestion interruption of power is not allowed during uploading confirm it 1 Load factory default will result in all status be in factory default settings the IP could be static IP addres...
Page 76: ...om 6 11 6 Logout As shown in Figure 6 11 7 logout functionality for the system interfaces Figure 6 11 7 System Logout Click the OK button the interface would be returned to the login screen configuration does not have to be changed ...
Page 77: ... the following ways Internet service Make a call to our technical office Return or replace product 7 1 Internet Service Please visit http www 3onedata com 7 2 Make a call to our technical office You can call our technical support office the company has professional technical engineers to answer your questions and help you resolve your problems at the first time Free Service Hotline 400 600 4496 7 ...
Page 78: ... bit domain can classify packets into 64 level with the value 0 63 range E Ethernet Ethernet uses a bus or star shaped topology and supports transmission rates up to 10Mbps orders of magnitude A new version called fast Ethernet speeds of up to 100Mbps F Flow Control Flow control allows low rate devices communicate with high rate the flow control can match high rate port contracting speed with low ...
Page 79: ...group tied up a group of ports together to increase bandwidth and improve the connection reliability ToS Type of Service Packaged in IP packet header of 8 bit domain to perform the different priority packets U UDP User Datagram Protocol Face to disconnected unreliable transmission layer protocol UTP Unshielded Twisted Pair Not shielded media out of twisted pair ...
Page 80: ...host will continue to make alarm sound when got alarm information 5 Why cannot increase the bandwidth after configured trunking Check the Trunking Port s properties are coincident including rate duplex mode VLAN etc 6 How to deal the problem that some of ports cannot access When some of ports cannot access that may be line fault network card failure and switch port failure by the following test to...
