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2.6 X-Ring 

Application 

 

The industrial switch supports the X-Ring protocol that can help the network system recover from 
network connection failure within 10ms and make the network system more reliable. The X-Ring 
algorithm is similar to Spanning Tree Protocol (STP) and Rapid STP (RSTP) algorithm but its recovery 
time is less than STP/RSTP. The figure below is a sample of X-Ring application. 
 
 

 

 
 

Note 

The Ethernet switches with firmware version before v3.0 use the X-Ring 
function that has the limitation as follows. However, the one with firmware 
version after v3.0 (included) use the X-Ring Pro function that gets rid of 
the limitation. 
 
1.  The X-Ring is supposed to recover from connection failure within 

10ms when the amount of the connected devices of the X-Ring group 
is less than 50. 

 

EKI-7556MI_Manual           

                              

26 

Summary of Contents for EKI-7556MI

Page 1: ...EKI 7556MI 16 2 100FX Port Managed Redundant Industrial Ethernet Switch Wide Temp User Manual ...

Page 2: ...form or by any means without the prior written permission of Advantech Co Ltd Information provided in this manual is intended to be accurate and reliable However Advantech Co Ltd assumes no responsibility for its use nor for any infringements of the rights of third parties which may result from its use Acknowledgements Microsoft Windows and MS DOS are registered trademarks of Microsoft Corp All ot...

Page 3: ...ent materials service time and freight Please consult your dealer for more details If you think you have a defective product follow these steps 1 Collect all the information about the problem encountered For example network speed Advantech products used other hardware and software used etc Note anything abnormal and list any onscreen messages you get when the problem occurs 2 Call your dealer and ...

Page 4: ...ergy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Technical Support and Assistance Step 1 Visit the Advantech web site at www advantech com s...

Page 5: ...thing over the power cord 10 All cautions and warnings on the equipment should be noted 11 If the equipment is not used for a long time disconnect it from the power source to avoid damage by transient overvoltage 12 Never pour any liquid into an opening This may cause fire or electrical shock 13 Never open the equipment For safety reasons the equipment should be opened only by qualified service pe...

Page 6: ... precautions to protect yourself from harm and the products from damage 1 To avoid electrical shock always disconnect the power from your equipment chassis before you work on it 2 Disconnect power before making any configuration changes EKI 7556MI_Manual vi ...

Page 7: ...3 Mounting 22 2 3 1 Wall mounting 22 Figure 2 3 1 Combine the Metal Mounting Kit 22 2 3 2 DIN rail Mounting 23 Figure 2 3 2 Installation to DIN rail Step 1 23 Figure 2 3 3 Installation to DIN rail Step 2 24 2 4 Network Connection 25 2 5 Power Connection 25 Figure 2 5 1 Pinouts of the Power Connector 25 2 6 X Ring Application 26 2 7 Coupling Ring Application 27 2 8 Dual Homing Application 28 Chapte...

Page 8: ...s Set 42 3 2 14 TFTP Commands Set 43 Table 3 14 TFTP Commands Set 43 3 2 15 SystemLog SMTP and Event 43 Table 3 15 SysLog SMTP Event Commands Set 43 3 2 16 SNTP Commands Set 44 Table 3 16 SNTP Commands Set 44 3 2 17 X ring Commands Set 44 Table 3 17 X ring Commands Set 44 3 3 Web Browser 46 Figure 3 3 1 Type the address in the URL 46 Figure 3 3 2 Web Login Window 46 Figure 3 3 3 Main page 47 3 3 1...

Page 9: ...tion Edit 80 Figure 3 3 35 RSTP System Configuration interface 81 Figure 3 3 36 RSTP Port Configuration interface 82 Figure 3 3 37 SNMP System Configuration interface 83 Figure 3 3 38 Trap Configuration interface 84 Figure 3 3 39 SNMP V3 configuration interface 86 Figure 3 3 40 QoS Configuration interface 88 Table 3 19 IGMP types 89 Figure 3 3 41 IGMP Configuration interface 89 Figure 3 3 42 X rin...

Page 10: ...EKI 7556MI_Manual 10 Overview Sections include z Introduction z Features z Specifications z Packing List z Safety Precaution CHAPTER ...

Page 11: ...d a crossover cable is not required All Ethernet ports have memory buffers that support the store and forward mechanism This assures that data is properly transmitted 1 1 2 Dual Power Inputs To reduce the risk of power failure EKI 7556MI provides 12 48 VDC dual power inputs If there is power failure EKI 7556MI will automatically switch to the secondary power input 1 1 3 Flexible Mounting EKI 7556M...

Page 12: ...elnet Serial Console Windows Utility and SNMP Control VLAN GVRP QOS IGMP Snooping LACP and Rate Limit Security IP MAC and port binding DHCP Server IP access list 802 1x SNMPv3 Diagnostic Port Statistic Port Mirroring RMON Trap SNMP Alert and Syslog Dual 12 48 VDC power input and 1 Relay Output Supports wide operating temperature from 40o C 75o C Robust mechanism and special heat spreader design EK...

Page 13: ...w terminal power relay LED Indicators PWR PWR1 PWR2 R M P Fail 10 100 Mbps Console RS 232 RJ 45 Power Power Consumption 10 75 Watts Power Input 2 x Unregulated 12 48 VDC Fault Output 1 Relay Output Mechanism Dimensions WxHxD 79 x 152 x 105 mm Enclosure IP30 metal shell with solid mounting kits Mounting DIN rail wall Inrush Current 200 24VDC Protection Reverse Polarity Present Overload 3 5A 12VDC F...

Page 14: ...ications Safety UL508 Hazardous UL cUL Class I Division 2 Group A B C and D EMC EU EN55011 EN61000 6 4 EN55022 Class A EN61000 3 2 3 EN55024 IEC61000 4 2 3 4 5 6 8 EN61000 6 2 Freefall IEC60068 2 32 Shock IEC60068 2 27 Vibration IEC60068 2 6 EKI 7556MI_Manual 14 ...

Page 15: ...manual 2 x Wall Mounting Bracket and Screws 1 x DIN rail Mounting Bracket and Screws 1 x 8 pin RJ 45 to RS 232 serial cable 1 x DC Jack Cable φ2 0 150mm 1 x EKI 7556MI Startup Manual 1 5 Safety Precaution Attention IF DC voltage is supplied by an external circuit please use a protection device on the power supply input 15 Chapter 1 ...

Page 16: ...tallation Sections include z LED Indicators z Dimensions z Mounting z Network Connection z Connection to a Fiber Optic Network z Power Connection z X Ring Application z Couple Ring Application z Dual Homing Application CHAPTER ...

Page 17: ...aster of the X ring group On Power input 1 is active PWR1 Green Off Power input 1 is inactive On Power input 2 is active PWR2 Green Off Power input 2 is inactive On Power input 1 or 2 is inactive or port link down depends on Fault Relay Alarm configuration P Fail Red Off Power input 1 and 2 are both active or no power input On SFP port is linking Flashing Data is transmitting or receiving Link Act...

Page 18: ...2 2 Dimensions units mm Figure 2 2 1 Front View of EKI 7556MI EKI 7556MI_Manual 18 ...

Page 19: ...Figure 2 2 2 Side View of EKI 7556MI 19 Chapter2 ...

Page 20: ...Figure 2 2 3 Rear View of EKI 7556MI EKI 7556MI_Manual 20 ...

Page 21: ...Figure 2 2 4 Top View of EKI 7556MI 21 Chapter2 ...

Page 22: ...he included mounting kit Then hang on the EKI 7556MI to the nails on the wall First use the screws included in the package to combine the EKI 7556MI and metal mounting kit And then you can install the device firmly via the components Please see the figure below Unit mm Figure 2 3 1 Combine the Metal Mounting Kit EKI 7556MI_Manual 22 ...

Page 23: ...is screwed on the industrial switch when out of factory If the DIN rail kit is not screwed on the industrial switch please screw the DIN rail kit on the switch first First hang the EKI 7556MI to the DIN rail with angle of inclination See the figure below Figure 2 3 2 Installation to DIN rail Step 1 23 Chapter2 ...

Page 24: ...Then hook the device over the DIN rail and let it drop down straight to slide over the rail smoothly Figure 2 3 3 Installation to DIN rail Step 2 EKI 7556MI_Manual 24 ...

Page 25: ...r uplink MDI port The EKI 7556MI supports auto crossover to make networking more easy and flexible You can connect any RJ 45 MDI X station port on the switch to any device such as a switch bridge or router 2 5 Power Connection The EKI 7556MI supports dual 12 48 VDC power inputs and power fail relay output Figure 2 5 1 Pinouts of the Power Connector You can connect an alarm indicator buzzer or othe...

Page 26: ...its recovery time is less than STP RSTP The figure below is a sample of X Ring application Note The Ethernet switches with firmware version before v3 0 use the X Ring function that has the limitation as follows However the one with firmware version after v3 0 included use the X Ring Pro function that gets rid of the limitation 1 The X Ring is supposed to recover from connection failure within 10ms...

Page 27: ...function that has the limitations as follows However the ones with firmware version after v3 0 included use the X Ring Pro function that gets rid of the limitations 1 To ensure the coupling ring to work normally the connection between control ports of each X ring group as the figure illustrated above should always be active 2 The switches to be configured as members of the Coupling Ring group cann...

Page 28: ...hes with firmware version before v3 0 use the X Ring function that has the limitations as follows However the ones with firmware version after v3 0 included use the X Ring Pro function that gets rid of the limitations 1 In Dual Homing application architecture the upper level switches need to enable their Rapid Spanning Tree protocol 2 The switches to be configured as members of the Dual Homing gro...

Page 29: ...29 Chapter2 ...

Page 30: ...EKI 7556MI_Manual 30 Configuration Sections include z RS 232 Console z Commands Sets z Web Browser CHAPTER ...

Page 31: ...nagement CLI command Attach the supplied cable which one end is RJ 45 and the other end is female DB9 to connect EKI 7556MI and your host PC or terminal The connected PC or terminal must support the terminal emulation program Figure 3 1 1 Concole Cable From the Windows desktop click Start Programs Accessories Communications HyperTerminal to open the Hyper Terminal program Figure 3 1 2 Launching Hy...

Page 32: ... and None for Flow Control Figure 3 1 3 COM Port Properties Setting Press Enter for login screen If you can not find the login screen press Enter one more time The default user name and password are both admin Key in the user name and password to enter the command line interface Figure 3 1 4 Login Screen RS 232 Configuration EKI 7556MI_Manual 32 ...

Page 33: ...After you have logged in to the system you will see a command prompt To enter CLI management interface type in enable command Figure 3 1 5 Command Line Interface 33 Chapter3 ...

Page 34: ...figuration Enter the configure command while in privileged EXEC mode switch config To exit to the Privileged EXEC mode enter exit or end Use this mode to configure the parameters to be applied to your switch VLAN database Enter the vlan database command while in privileged EXEC mode switch vlan To return to the User EXEC mode enter exit Use this mode to configure VLAN specific parameters Interface...

Page 35: ...on switch show admin dhcpserver enable G Enable DHCP Server switch config dhcpserver enable Dhcpserver disable G Disable DHCP Server switch config no dhcpserver dhcpserver lowip Low IP G Configure low IP address for IP pool switch config dhcpserver lowip 192 168 1 100 dhcpserver highip High IP G Configure high IP address for IP pool switch config dhcpserver highip 192 168 1 200 dhcpserver subnetma...

Page 36: ... switch config interface fastEthernet 2 switch config if bandwidth type all bandwidth type broadcast multicast flooded unicast I Set interface ingress limit frame type to accept broadcast multicast and flooded unicast frame switch config interface fastEthernet 2 switch config if bandwidth type broadcast multicast flooded unicast bandwidth type broadcast multicast I Set interface ingress limit fram...

Page 37: ...ID 1 3 Port list Member port list This parameter could be a port range ex 1 4 or a port list separate by a comma ex 2 3 6 Workport The amount of work ports this value could not be less than zero or be large than the amount of member ports switch config aggregator group 1 1 4 lacp workp 2 or switch config aggregator group 2 1 4 3 lacp workp 3 aggregator group GroupID Port list nolacp G Assign a sta...

Page 38: ...r switch vlan vlan 8021q port 3 trunk link tag 3 20 vlan 8021q port PortNumber hybrid link untag UntaggedVID tag TaggedVID List V Assign a hybrid link for VLAN by port if the port belong to a trunk group this command can t be applied switch vlan vlan 8021q port 3 hybrid link untag 4 tag 3 6 8 or switch vlan vlan 8021q port 3 hybrid link untag 5 tag 6 8 vlan 8021q trunk PortNumber access link untag...

Page 39: ...h cost 20 stp path priority Port Priority I Use the spanning tree port priority interface configuration command to configure a port priority that is used when two switches tie for position as the root switch switch config interface fastEthernet 2 switch config if stp path priority 128 stp admin p2p Auto True False I Admin P2P of STP priority on this interface switch config interface fastEthernet 2...

Page 40: ...ig interface fastEthernet 2 switch config if mac address table static hwaddr 000012345678 mac address table filter hwaddr MAC G Configure MAC address table filter switch config mac address table filter hwaddr 000012348678 show mac address table P Show all MAC address table switch show mac address table show mac address table static P Show static MAC address table switch show mac address table stat...

Page 41: ...ws Read View Name Write View Name Notify View Name G Configure the access table of SNMPV3 agent switch config snmpv3 access context name Test group G1 security level AuthPriv match rule Exact views V1 V1 V1 snmpv3 mibview view View Name type Excluded Included sub oid OID G Configure the mibview table of SNMPV3 agent switch config snmpv3 mibview view V1 type Excluded sub oid 1 3 6 1 show snmp P Sho...

Page 42: ...e the 802 1x system share key global configuration command to change the shared key value switch config 8021x system sharekey 123456 8021x system nasid words G Use the 802 1x system nasid global configuration command to change the NAS ID switch config 8021x system nasid test1 8021x misc quietperiod sec G Use the 802 1x misc quiet period global configuration command to specify the quiet period valu...

Page 43: ...entication smtp account account G Configure authentication account switch config smtp account User smtp password password G Configure authentication password switch config smtp password smtp rcptemail Index Email address G Configure Rcpt e mail Address switch config smtp rcptemail 1 Alert test com show smtp P Show the information of SMTP switch show smtp no smtp G Disable SMTP function switch conf...

Page 44: ...e show sntp timzezone command to get more information of index number switch config sntp timezone 22 show sntp P Show SNTP information switch show sntp show sntp timezone P Show index number of time zone list switch show sntp timezone no sntp G Disable SNTP function switch config no sntp no sntp daylight G Disable daylight saving time switch config no sntp daylight 3 2 17 X ring Commands Set Table...

Page 45: ...no ring couplering G Disable couple ring switch config no ring couplering no ring dualhoming G Disable dual homing switch config no ring dualhoming 45 Chapter3 ...

Page 46: ...gement install the industrial switch on the network and make sure that any one of PCs on the network can connect with the industrial switch through the web browser The industrial switch default value of IP subnet mask username and password are as below IP Address 192 168 1 1 Subnet Mask 255 255 255 0 Default Gateway 192 168 1 254 User Name admin Password admin Open Internet Explorer and type EKI 7...

Page 47: ...ou can find the tree menu structure of the Ethernet switch in the left side Click the symbol to unroll the hiding hyperlink and click any one of the hyperlinks to open its function page Figure 3 3 3 Main page 47 Chapter3 ...

Page 48: ...sign the switch physical location The maximum length is 64 bytes System Contact Enter the name of contact person or organization Firmware Version Displays the switch s firmware version Kernel Version Displays the kernel software version MAC Address Displays the unique hardware address assigned by manufacturer default Warning Don t set 0 for the first segment of the subnet mask and default gateway ...

Page 49: ...t need to assign the IP address And the network DHCP server will assign the IP address displaying in this column for the industrial switch The default IP is 192 168 1 1 Subnet Mask Assign the subnet mask to the IP address If DHCP client function is enabled and then the user does not need to assign the subnet mask Gateway Assign the network gateway for the industrial switch The default gateway is 1...

Page 50: ...tem can be a DHCP server DHCP Server Enable or Disable the DHCP Server function Enable the switch will be the DHCP server on your local network Low IP Address Type in an IP address Low IP address is the beginning of the dynamic IP range For example dynamic IP is in the range between 192 168 1 100 192 168 1 200 In contrast 192 168 1 100 is the Low IP address High IP Address Type in an IP address Hi...

Page 51: ...DHCP Server Client Entries When the DHCP server function is active the system will collect the DHCP client information and displays it at this tab Figure 3 3 7 DHCP Server Client Entries 51 Chapter3 ...

Page 52: ...ic IP address to the port When the device is connecting to the port and asks for IP assigning the system will assign the IP address that has been assigned before to the connected device Figure 3 3 8 DHCP Server Port and IP Binding EKI 7556MI_Manual 52 ...

Page 53: ... It provides the functions to allow the user to update the switch firmware Before updating make sure you have your TFTP server ready and the firmware image is on the TFTP server TFTP Server IP Address Fill in your TFTP server IP Firmware File Name Type in the name of firmware image And then click Apply Figure 3 3 9 TFTP Update Firmware 53 Chapter3 ...

Page 54: ...g that you must put the image file on TFTP server first and the switch will download back the flash image TFTP Server IP Address Fill in the TFTP server IP Restore File Name Fill in the correct file name for restoring Click Apply Figure 3 3 10 TFTP Restore Configuration EKI 7556MI_Manual 54 ...

Page 55: ...an save the current configuration from flash ROM to TFTP server for restoring later TFTP Server IP Address Fill in the TFTP server IP Backup File Name Fill the file name Click Apply Figure 3 3 11 TFTP Backup Configuration 55 Chapter3 ...

Page 56: ...y be reserved in the switch s RAM until next reboot When Syslog Client Mode is set as Server Only the system log will only be sent to the syslog server and you have to type the IP address in the Sysylog Server IP Address column If the Syslog Client Mode is set as Both the system log will be reserved in the switch s RAM and sent to server Click Reload to refresh the events log Click Clear to clear ...

Page 57: ...e the event log comes from Authentication Tick the checkbox to enable this function configuring the email account and password for authentication when Email Alert enabled this function will then be available Mail Account Set up the email account e g Tomadmin to receive the alert It must be an existing email account on the mail server which you had set up in SMTP Server IP Address column Password T...

Page 58: ...ll issue a log event Device warm start When the device executes warm start the system will issue a log event Authentication Failure When the SNMP authentication fails the system will issue a log event X ring topology change When the X ring topology has changed the system will issue a log event Port event selection Also before the drop down menu items are available the Syslog Client Mode column on ...

Page 59: ...Figure 3 3 14 Event Configuration 59 Chapter3 ...

Page 60: ...unction of lighting up the FAULT LED on the panel when power fails Port Link Down Broken Tick the checkbox to enable the function of lighting up the FAULT LED on the panel when ports states are link down or broken Figure 3 3 15 Fault Relay Alarm EKI 7556MI_Manual 60 ...

Page 61: ...onversion from UTC Time at 12 00 UTC November Time Zone 1 hour 11am Oscar Time Zone 2 hours 10 am ADT Atlantic Daylight 3 hours 9 am AST Atlantic Standard EDT Eastern Daylight 4 hours 8 am EST Eastern Standard CDT Central Daylight 5 hours 7 am CST Central Standard MDT Mountain Daylight 6 hours 6 am MST Mountain Standard PDT Pacific Daylight 7 hours 5 am PST Pacific Standard ADT Alaskan Daylight 8 ...

Page 62: ...aving Period Set up the Daylight Saving beginning time and Daylight Saving ending time Both will be different in every year Daylight Saving Offset mins For non US and European countries specify the amount of time for day light savings Synchronization Interval secs The Synchronization Interval is used for sending synchronizing packets periodically Users can assign the time ranging from 64 to 1024 s...

Page 63: ...0 will be allowed to access this switch via HTTP service Enable Telnet Server When this checkbox is ticked the IP addresses among Security IP1 IP10 will be allowed to access this switch via telnet service Security IP 1 10 The system allows the user to assign up to 10 specific IP addresses for access security Only these 10 IP addresses can access and manage the switch through the HTTP Telnet servic...

Page 64: ...management security issue User name Key in the new user name The default is admin Password Key in the new password The default is admin Confirm password Re type the new password And then click Apply to apply the configuration Figure 3 3 18 User Authentication EKI 7556MI_Manual 64 ...

Page 65: ...cket Tx Good Packet The counts of transmitting good packets via this port Tx Bad Packet The counts of transmitting bad packets including undersize less than 64 bytes oversize CRC Align errors fragments and jabbers packets via this port Rx Good Packet The counts of receiving good packets via this port Rx Bad Packet The counts of receiving bad packets including undersize less than 64 bytes oversize ...

Page 66: ...this column is read only Duplex It is available for selecting when the Negotiation column is set as Force When the Negotiation column is set as Auto this column is read only Flow Control Set flow control function as Enable or Disable When enabled once the device exceed the input data rate of another device as a result the receiving device will send a PAUSE frame which halts the transmission of the...

Page 67: ...t When disabled the trunk group is a static trunk group The advantage of having the LACP disabled is that a port joins the trunk group without any handshaking with its member ports But member ports won t know that they should be aggregated together to form a logic trunk group Work ports This column field allows the user to type in the total number of active port up to four With LACP trunk group yo...

Page 68: ...Figure 3 3 21 4 work ports with LACP enabled EKI 7556MI_Manual 68 ...

Page 69: ...n you have set up the aggregator setting with LACP disabled you will see the local static trunk group information as below Figure 3 3 22 2 work ports with LACP disabled Figure 3 3 23 Static trunking group of 2 ports 69 Chapter3 ...

Page 70: ...t up the aggregator setting of two interconnected switches with LACP enabled you will see the respective LACP trunk group information as below Figure 3 3 24 Aggregator Information with LACP enabled EKI 7556MI_Manual 70 ...

Page 71: ...ive Active The port automatically sends LACP protocol packets Passive The port does not automatically send LACP protocol packets and responds only if it receives LACP protocol packets from the opposite device Note A link having either two active LACP nodes or one active node can perform dynamic LACP trunk A link having two passive LACP nodes will not perform dynamic LACP trunk because both ports a...

Page 72: ...on mirroring port for monitoring both RX and TX traffic which come from the source port Or use one of two ports for monitoring RX traffic only and the other one for TX traffic only The user can connect the mirroring port to LAN analyzer or Netxray Source Port The ports that the user wants to monitor All monitored port traffic will be copied to mirroring destination port The user can select multipl...

Page 73: ...mitation The egress rate only supports All type All ports support port ingress and egress rate control For example assume port 1 is 10Mbps the user can set the effective egress rate of port 1 as 1Mbps ingress rate 500Kbps The switch performs the ingress rate by packet counter to meet the specified rate Ingress Enter the port effective ingress rate The default value is 0 Egress Enter the port effec...

Page 74: ...the same VLAN will receive traffic from the ones of the same VLAN Basically creating 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 plugged into the same switch physically The switch supports Port based and 802 1Q tagged based VLAN The default configuration of VLAN operation mode is Disable...

Page 75: ...groups 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 Figure 3 3 29 Port based mode Pull down the selection item and focus on Port Based then press Apply to set ...

Page 76: ...AN ID Add the port number having selected into the right field to group these members to be a VLAN group or remove any of them listed in the right field from the VLAN And then click Apply to have the settings take effect You will see the VLAN displays EKI 7556MI_Manual 76 ...

Page 77: ...e Delete to delete the VLAN Use Edit to modify group name VLAN ID or add remove the members of the existing VLAN group Note Remember to execute the Save Configuration action otherwise the new configuration will lose when switch powers off 77 Chapter3 ...

Page 78: ...tch thus has a current record of all the other end stations and switches that can be reached 802 1Q Configuration Pull down the selection item and focus on 802 1Q then press Apply to set the VLAN Operation Mode in 802 1Q mode Enable GVRP Protocol Tick the checkbox to enable GVRP protocol This checkbox is available while the VLAN Operation Mode is in 802 1Q mode Management VLAN ID The default value...

Page 79: ...Figure 3 3 32 802 1Q VLAN Configuration 79 Chapter3 ...

Page 80: ...sting VLAN Group Select the VLAN group in the table list Click Edit Figure 3 3 33 802 1Q Group Configuration You can modify the VLAN group name and VLAN ID Figure 3 3 34 802 1Q Group Configuration Edit Click Apply EKI 7556MI_Manual 80 ...

Page 81: ...e is changed the user must reboot the switch The value must be a multiple of 4096 according to the protocol standard rule Max Age 6 40 The number of seconds a switch waits without receiving Spanning tree Protocol configuration messages before attempting a reconfiguration Enter a value between 6 through 40 Hello Time 1 10 The time that controls the switch to send out the BPDU packet to check RSTP c...

Page 82: ...n whether the port concerned can only be connected to exactly one other bridge i e it is served by a point to point LAN segment or can be connected to two or more bridges i e it is served by a shared medium LAN segment This function allows the P2P status of the link to be manipulated administratively True is P2P enabling False is P2P disabling Admin Edge The port directly connected to end stations...

Page 83: ...tring set and remove the unwanted community string String Fill the name string RO Read only Enables requests accompanied by this community string to display MIB object information RW Read write Enables requests accompanied by this community string to display MIB object information and to set MIB objects Click Add To remove the community string select the community string that you have defined and ...

Page 84: ...ine a management station as a trap manager assign an IP address enter the SNMP community strings and select the SNMP trap version IP Address Enter the IP address of the trap manager Community Enter the community string Trap Version Select the SNMP trap version type v1 or v2c Click Add To remove the community string select the community string listed in the current managers field and click Remove F...

Page 85: ...er table Group Name Set up the group name Click Add to add context name Click Remove to remove the unwanted context name Access Table Configure SNMP v3 access table Context Prefix Set up the context name Group Name Set up the group Security Level Set up the access level Context Match Rule Select the context match rule Read View Name Set up the read view Write View Name Set up the write view Notify...

Page 86: ...Figure 3 3 39 SNMP V3 configuration interface EKI 7556MI_Manual 86 ...

Page 87: ...e to set the queuing policy for each port Port x Each port has 4 priority levels High Middle Low and Lowest to be chosen Click Apply to have the settings take effect COS Configuration Set up the COS priority level With the drop down selection item of Priority Type above being selected as COS only COS first this control item will then be available to set the queuing policy for each port COS priorit...

Page 88: ...Figure 3 3 40 QoS Configuration interface EKI 7556MI_Manual 88 ...

Page 89: ...st group Report A message sent by a host to the querier to indicate that the host wants to be or is a member of a given group indicated in the report message Leave Group A message sent by a host to the querier to indicate that the host has quit being a member of a specific multicast group The switch supports IP multicast You can enable IGMP protocol via setting the IGMP Configuration page to see t...

Page 90: ...g topology that can connect two X Ring groups for the redundant backup function Besides the Dual Homing topology can prevent connection lose between the X Ring group and the upper level core switch Enable X Ring To enable the X Ring function tick the checkbox beside the Enable Ring string label If this checkbox is not ticked all the ring functions are unavailable Enable Ring Master Tick the checkb...

Page 91: ...ing function users must disable the RSTP first The X Ring function and RSTP function cannot both be activated on a single switch Remember to execute the Save Configuration action otherwise the new configuration will lose when switch powers off 91 Chapter3 ...

Page 92: ...igure the parameters of this function IEEE 802 1x Protocol Enable or disable 802 1x protocol Radius Server IP Assign the RADIUS Server IP address Server Port Set the UDP destination port for authentication requests to the specified RADIUS Server Accounting Port Set the UDP destination port for accounting requests to the specified RADIUS Server Shared Key Set an encryption key for using during auth...

Page 93: ... state Accept The specified port is required to be held in the Authorized state Authorized The specified port is set to the Authorized or Unauthorized state in accordance with the outcome of an authentication exchange between the Supplicant and the authentication server Disable When disabled the specified port works without complying with 802 1x protocol Click Apply Figure 3 3 44 802 1x Radius Por...

Page 94: ...he switch waits for a supplicant response to an EAP request Server Timeout Set the period of time the switch waits for a server response to an authentication request Max Requests Set the number of authentication that must time out before authentication fails and the authentication session ends Reauth period Set the period of time which clients connected must be re authenticated Click Apply Figure ...

Page 95: ...is active on the network again You can add modify delete a static MAC address MAC Address Table Static MAC Address You can add static MAC address in the switch MAC table here MAC Address Enter the MAC address of the port that should permanently forward traffic regardless of the device network activity Port No Pull down the selection menu to select the port number Click Add If you want to delete th...

Page 96: ...MAC address and reduce the un safety You can add and delete filtering MAC address Figure 3 3 47 MAC Filtering interface MAC Address Enter the MAC address that you want to filter Click Add If you want to delete the MAC address from filtering table select the MAC address and click Delete EKI 7556MI_Manual 96 ...

Page 97: ... address and the related devices MAC address Select the port The selected port of static dynamic MAC address information will be displayed in here Click Clear MAC Table to clear the current port static MAC address information on screen Figure 3 3 48 All MAC Address interface 97 Chapter3 ...

Page 98: ...to default configuration Tick the check boxes to keep the current IP address user name and password before reset Click Reset to reset all configurations to the default value Figure 3 3 49 Factory Default interface EKI 7556MI_Manual 98 ...

Page 99: ...Save Configuration Save all configurations that you have made to the system Click Save to save all configurations to the flash memory Figure 3 3 50 Save Configuration interface 99 Chapter3 ...

Page 100: ...System Reboot Reboot the switch in software reset Click Reboot to reboot the system Figure 3 3 51 System Reboot interface EKI 7556MI_Manual 100 ...

Page 101: ...101 Troubleshooting CHAPTER ...

Page 102: ... twisted pair connection does not exceed 100 meters 328 feet Diagnosing LED Indicators To assist in identifying problems the switch can be easily monitored through panel indicators which describe common problems the user may encounter and where the user can find possible solutions If the power indicator does not light on when the power cord is plugged in you may have a problem with power cord Then...

Page 103: ...103 Pin Assignments Wiring APPENDIX ...

Page 104: ...Appendix A Pin Assignments Wiring It is suggested to adopt ELA TIA as the wiring of the RJ 45 Figure A 1 RJ 45 Pin Assignments Figure A 2 EIA TIA 568B Figure A 3 EIA TIA 568A EKI 7556MI_Manual 104 ...

Page 105: ...Figure A 4 DB 9 pin female connector DB9 Connector RJ 45 Connector NC 1 Orange White 2 2 Orange 3 3 Green White NC 4 Blue 5 5 Blue White NC 6 Green NC 7 Brown White NC 8 Brown 105 ...

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