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 Publication date: August, 2012 

             Revision A1

 

67

4-2-9. SNMP 

Any Network Management System (NMS) running the Simple Network 

Management Protocol (SNMP) can manage the Managed devices equipped with 
SNMP agent, provided that the Management Information Base (MIB) is installed 
correctly on the managed devices. It is a protocol used to govern the transfer of 
information between SNMP manager and agent and traverses the Object Identity 
(OID) of the management Information Base (MIB), described in the form of SMI 
syntax. SNMP agent is running on the switch to response the request issued by 
SNMP manager.  

Basically, it is passive except issuing the trap information. The switch 

supports a switch to turn on or off the SNMP agent. If you set the field SNMP 
“Enable”, SNMP agent will be started up. If the field SNMP is set “Disable”, SNMP 
agent will be de-activated, the related Community Name, Trap Host IP Address, 
Trap and all MIB counters will be ignored.  

 
Function name: 

SNMP Configuration 

Function description: 

This function is used to configure SNMP settings, community name, trap host 

and public traps as well as the throttle of SNMP. A SNMP manager must pass the 
authentication by identifying both community names, then it can access the MIB 
information of the target device. So, both parties must have the same community 
name. Once completing the setting, click 

<Apply> 

button, the setting takes effect.  

 

Fig. 4-13 SNMP Configuration 

Содержание SP6524PWS

Страница 1: ...User s Manual 20 port 10 100 1000M 4G Combo Web Smart PoE Switch Model No SP6524PWS ...

Страница 2: ...blication date August 2012 Revision A1 i Release 0 90 2012 Micronet Communication Inc All rights reserved All brand and product names are trademarks or registered trademarks of their respective companies ...

Страница 3: ...he party so affected shall be executed from any further performance for a period of time after the occurrence as may reasonably be necessary to remedy the effects of that occurrence but in no event more than sixty 60 days If any of the stated events should occur Party A shall promptly notify Party B in writing as soon as commercially practicable but in no event more than twenty 20 business days an...

Страница 4: ...IS PROVIDED AS IS AND MANMANUFACTURE AND ITS LICENSORS MAKE NO WARRANTIES EXPRESS OR IMPLIED WITH REPSECT TO THE SOFTWARE AND DOCUMENTAITON MANUFACTURE AND ITS LICENSORS DISCLAIM ALL OTHER WARRANTIES INCLUSIVE OF WITHOUT LIMITATION IMPLIED WARRANTIES OR MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT FURTHER MANUFACTURE DOES NOT WARRANT GUARANTEE OR MAKE ANY REPRESENTATIONS RE...

Страница 5: ...ss Assignment 15 2 2 TYPICAL APPLICATIONS 20 3 BASIC CONCEPT AND MANAGEMENT 22 3 1 WHAT S THE ETHERNET 22 3 2 LOGICAL LINK CONTROL LLC 23 3 3 MEDIA ACCESS CONTROL MAC 25 3 4 FLOW CONTROL 30 3 5 HOW DOES A SWITCH WORK 33 3 6 VIRTUAL LAN 37 3 7 LINK AGGREGATION 44 4 OPERATION OF WEB BASED MANAGEMENT 46 4 1 WEB MANAGEMENT HOME OVERVIEW 47 4 2 CONFIGURATION 49 4 2 1 System Information 50 4 2 2 Port Co...

Страница 6: ... 3 6 Ping Status 89 4 4 MAINTENANCE 91 4 4 1 Warm Restart 92 4 4 2 Factory Default 93 4 4 3 Software Upgrade 94 4 4 4 Configuration File Transfer 95 4 4 5 Logout 96 5 MAINTENANCE 97 5 1 RESOLVING NO LINK CONDITION 97 5 2 Q A 97 APPENDIX A TECHNICAL SPECIFICATIONS 98 ...

Страница 7: ...Publication date August 2012 Revision A1 vi Revision History Release Date Revision 0 90 Aug 07 2012 A1 ...

Страница 8: ...ter between outdoor device and this switch The switch supports the SFP Vendor includes Manufacture Agilent Avago and Finisa Electronic Emission Notices Federal Communications Commission FCC Statement This equipment has been tested and found to comply with the limits for a class A computing device pursuant to Subpart J of part 15 of FCC Rules which are designed to provide reasonable protection agai...

Страница 9: ...lition on Product is strictly prohibited Damage caused by self demolition will be charged for repairing fees Do not place product at outdoor or sandstorm Before installation please make sure input power supply and product specifications are compatible to each other ...

Страница 10: ...itch This guide also covers management options and detailed explanation about hardware and software functions Overview of this user s manual Chapter 1 Introduction describes the features of 24 port Gigabit Web Smart PoE Switch Chapter 2 Installation Chapter 3 Operating Concept and Management Chapter 4 Operation of Web based Management Chapter 5 Maintenance ...

Страница 11: ...ber LC BiDi SC this port supports 10 100 1000Mbps TP or 1000Mbps SFP Fiber with auto detected function 1000Mbps SFP Fiber transceiver is used for high speed connection expansion 1000Mbps LC Multi Mode SFP Fiber transceiver 1000Mbps LC 10km SFP Fiber transceiver 1000Mbps LC 30km SFP Fiber transceiver 1000Mbps LC 50km SFP Fiber transceiver 1000Mbps BiDi SC 20km 1550nm SFP Fiber WDM transceiver 1000M...

Страница 12: ...ower through RJ 45 pin 1 2 3 6 SP6524PWS provides 370 watts of total power up to 15 4 watts for 24 ports 1 2 Checklist Before you start installing the switch verify that the package contains the following 24 Port GbE Web Smart PoE Switch Modules optional Mounting Accessory for 19 Rack Shelf This User s Manual in CD ROM AC Power Cord Please notify your sales representative immediately if any of the...

Страница 13: ...s Supports a snapshot of the system Information when you login Supports port mirror function Supports the static trunk function Supports 802 1Q VLAN Supports user management and limits one user to login Maximal packet length can be up to 9600 bytes for jumbo frame application Supports Broadcasting Suppression to avoid network suspended or crashed Supports to send the trap event while monitored eve...

Страница 14: ...gabit Ethernet PoE ports and 4 SFP fiber ports for optional removable modules on the front panel of the switch LED display area locating on the left side of the panel contains a Power LED which indicates the power status and 24 ports working status of the switch Fig 1 1 Full View of 24 PORT GBE WEB SMART PoE SWITCH Fig 1 2 Front View of 24 PORT GBE WEB SMART PoE Switch ...

Страница 15: ...Off Lit Green when TP link on 1000Mbps speed Lit Yellow when TP link on 10 100Mbps speed Off when no link occur 1000SX LX Gigabit Fiber Port 21 22 23 24 LED LINK ACT Green Lit when SFP connection with remote device is good Blinks when any traffic is present SPD Green Yellow Off Lit Green when SFP link on 1000Mbps speed Lit Yellow when SFP link on 100Mbps speed Off when no link occur Table1 1 1 4 2...

Страница 16: ...d for the switch are listed below 1000Mbps LC MM SFP Fiber transceiver SFP LC 1000Mbps LC SM 10km SFP Fiber transceiver SFP LC S10 1000Mbps LC SM 30km SFP Fiber transceiver SFP LC S30 1000Mbps LC SM 50km SFP Fiber transceiver SFP LC S50 1000Mbps BiDi SC SM 20km 1310nm SFP Fiber WDM transceiver SFP BS3 S20 1000Mbps BiDi SC SM 20km 1550nm SFP Fiber WDM transceiver SFP BS5 S20 PS The other spec is av...

Страница 17: ...Optional SFP Fiber Transceivers to the 24 Port GbE Web Smart Switch Note If you have no modules please skip this section Connecting the SFP Module to the Chassis The optional SFP modules are hot swappable so you can plug or unplug it before or after powering on 1 Verify that the SFP module is the right model and conforms to the chassis 2 Slide the module along the slot Also be sure that the module...

Страница 18: ...Repeat the above steps as needed for each RJ 45 port to be connected to a Gigabit 10 100 1000 TP device Now you can start having the switch in operation Power On The switch supports 100 240 VAC 50 60 Hz power supply The power supply will automatically convert the local AC power source to DC power It does not matter whether any connection plugged into the switch or not when power on even modules as...

Страница 19: ...M The later is categorized into several classes by the distance it supports They are SX LX LHX XD and ZX From the viewpoint of connector type there mainly are LC and BIDI SC Gigabit Fiber with multi mode LC SFP module Gigabit Fiber with single mode LC SFP module Gigabit Fiber with BiDi SC 1310nm SFP module Gigabit Fiber with BiDi SC 1550nm SFP module The following table lists the types of fiber th...

Страница 20: ...le 1 0 m Fiber Cable 10 10 m TP to fiber Converter 56 Bit Time unit 1ns 1sec 1000 Mega bit Bit Time unit 0 01 s 1sec 100 Mega bit Table 2 2 Sum up all elements bit time delay and the overall bit time delay of wires devices must be within Round Trip Delay bit times in a half duplex network segment collision domain For full duplex operation this will not be applied You may use the TP Fiber module to...

Страница 21: ... using The switch supports both port based VLAN and tag based VLAN They are different in practical deployment especially in physical location The following diagram shows how it works and what the difference they are Case2a Port based VLAN See Fig 2 3 1 The same VLAN members could not be in different switches 2 Every VLAN members could not access VLAN members each other 3 The switch manager has to ...

Страница 22: ...access VLAN1 and VLAN3 members but they could access VLAN4 members 3 VLAN3 members could not access VLAN1 VLAN2 and VLAN4 4 VLAN4 members could not access VLAN1 and VLAN3 members but they could access VLAN2 members Case3a The same VLAN members can be at different switches with the same VID See Fig 2 5 Fig 2 4 Port based VLAN Diagram Fig 2 5 Attribute based VLAN Diagram ...

Страница 23: ...sed UI for the switch is an interface in a highly friendly way Managing 24 Port GbE Web Smart PoE Switch through Ethernet Port Before you communicate with the switch you have to finish first the configuration of the IP address or to know the IP address of the switch Then follow the procedures listed below 1 Set up a physical path between the configured the switch and a PC by a qualified UTP Cat 5 ...

Страница 24: ...cates the network where the addressed host resides and the latter indicates the individual host in the network which the address of host refers to And the host identifier must be unique in the same LAN Here the term of IP address we used is version 4 known as IPv4 Network identifier Host identifier Fig 2 8 IP address structure With the classful addressing it divides IP address into three classes c...

Страница 25: ... Assigned Numbers Authority there are three specific IP address blocks reserved and able to be used for extending internal network We call it Private IP address and list below Class A 10 0 0 0 10 255 255 255 Class B 172 16 0 0 172 31 255 255 Class C 192 168 0 0 192 168 255 255 Please refer to RFC 1597 and RFC 1466 for more information Subnet mask It means the sub division of a class based network ...

Страница 26: ...all one s host number For example an IP address 128 1 2 128 what IP address reserved will be looked like All 0s mean the network itself and all 1s mean IP broadcast In this diagram you can see the subnet mask with 25 bit long 255 255 255 128 contains 126 members in the sub netted network Another is that the length of network prefix equals the number of the bit with 1s in that subnet mask With this...

Страница 27: ...must be applied For different network applications the subnet mask may look like 255 255 255 240 This means it is a small network accommodating a maximum of 15 nodes in the network Default gateway For the routed packet if the destination is not in the routing table all the traffic is put into the device with the designated IP address known as default router Basically it is a routing policy For ass...

Страница 28: ...Publication date August 2012 Revision A1 19 subnet mask such as 255 255 255 x is allowable in this case ...

Страница 29: ...s on the specification of the switch please refer to Appendix A The switch is suitable for the following applications Central Site Remote site application is used in carrier or ISP See Fig 2 10 Peer to peer application is used in two remote offices See Fig 2 11 Office network See Fig 2 12 Fig 2 10 is a system wide basic reference connection diagram This diagram demonstrates how the switch connects...

Страница 30: ...Publication date August 2012 Revision A1 21 Fig 2 12 Office Network Connection Fig 2 11 Peer to peer Network Connection ...

Страница 31: ...In 1998 Gigabit Ethernet was rolled out and provided 1000Mbps Now 10G s Ethernet is under approving Although these Ethernet have different speed they still use the same basic functions So they are compatible in software and can connect each other almost without limitation The transmission media may be the only problem Fig 3 1 IEEE 802 3 reference model vs OSI reference mode In Fig 3 1 we can see t...

Страница 32: ...cal link control or bridge relay entity Logical link control supports the interface between the Ethernet MAC and upper layers in the protocol stack usually Network layer which is nothing to do with the nature of the LAN So it can operate over other different LAN technology such as Token Ring FDDI and so on Likewise for the interface to the MAC layer LLC defines the services with the interface inde...

Страница 33: ...ommand or response The DSAP and SSAP pair with some reserved values indicates some well known services listed in the table below 0xAAAA SNAP 0xE0E0 Novell IPX 0xF0F0 NetBios 0xFEFE IOS network layer PDU 0xFFFF Novell IPX 802 3 RAW packet 0x4242 STP BPDU 0x0606 IP 0x9898 ARP Table 3 2 LLC type 1 connectionless service LLC type 2 connection oriented service and LLC type 3 acknowledge connectionless ...

Страница 34: ...rnet MAC address The first bit of the first byte in the Destination address DA determines the address to be a Unicast 0 or Multicast frame 1 known as I G bit indicating individual 0 or group 1 So the 48 bit address space is divided into two portions Unicast and Multicast The second bit is for global unique 0 or locally unique address The former is assigned by the device manufacturer and the later ...

Страница 35: ... source node The SA is always an individual address and the left most bit in the SA field is always 0 Length Type This field indicates either the number of the data bytes contained in the data field of the frame or the Ethernet type of data If the value of first two bytes is less than or equal to 1500 in decimal the number of bytes in the data field is equal to the Length Type value i e this field...

Страница 36: ... the frame the preamble PRE bytes are inserted and sent first then the next Start of frame Delimiter SFD DA SA and through the data field and FCS field in turn The followings summarize what a MAC does before transmitting a frame 1 MAC will assemble the frame First the preamble and Start of Frame delimiter will be put in the fields of PRE and SFD followed DA SA tag ID if tagged VLAN is applied Ethe...

Страница 37: ...on time between the two most distant devices This maximum time is traded off by the collision recovery time and the diameter of the LAN In the original 802 3 specification Ethernet operates in half duplex only Under this condition when in 10Mbps LAN it s 2500 meters in 100Mbps LAN it s approximately 200 meters and in 1000Mbps 200 meters According to the theory it should be 20 meters But it s not p...

Страница 38: ...plex operation mode both transmitting and receiving frames are processed simultaneously This doubles the total bandwidth Full duplex is much easier than half duplex because it does not involve media contention collision retransmission schedule padding bits for short frame The rest functions follow the specification of IEEE802 3 For example it must meet the requirement of minimum inter frame gap be...

Страница 39: ... there is no carrier signal on the medium at that time the device will wait for a period of time known as an inter frame gap time to have the medium clear and stabilized as well as to have the jobs ready such as adjusting buffer counter updating counter and so on in the receiver site Once the inter frame gap time expires after the de assertion of carrier sense the MAC transmits data In IEEE802 3 s...

Страница 40: ...ess that the receiving MAC owns or the multicast address designated to recognize If not discards it and the MAC passes the frame to its client and goes back to the ready state 3 If the frame is too long If yes throws it away and reports frame Too Long 4 If the FCS of the received frame is valid If not for 10M and 100M Ethernet discards the frame For Gigabit Ethernet or higher speed Ethernet MAC ha...

Страница 41: ...rd MAC will deprive of the tag header and process it in the same way as a basic normal frame For a VLAN enabled LAN all involved devices must be equipped with VLAN optional function At operating speeds above 100 Mbps the slotTime employed at slower speeds is inadequate to accommodate network topologies of the desired physical extent Carrier Extension provides a means by which the slotTime can be i...

Страница 42: ...the same slot time the signals will collide referred to as collision The arbitrator will arbitrate who should gain the media The arbitrator is a distributed mechanism in which all stations contend to gain the media Please refer to What s the Ethernet for more details In Fig 3 6 assumed in half duplex you will see some ports of the switch are linked to a shared HUB which connects many hosts and som...

Страница 43: ... what s more when operating in full duplex mode the distance can reach farther than half duplex because it is not limited by the maximum propagation delay time 512 bits time If fiber media is applied the distance can be up to tens of kilometers Traffic Aggregation Traffic aggregation is to aggregate the bandwidth of more than one port and treat it as a single port in the LAN This single port posse...

Страница 44: ... long time this means the traffic using that entry has yet come for a while If this time period is more than the aging time the entry will be marked invalid The vacancy is now available for other new MAC Both learning and forwarding are the most important functions in a switch Besides that VLAN can be one of the rules to forward the packet There are ingress rule and egress rule applied The ingress...

Страница 45: ... packet with a priority level say 5 7 and next set another weight to the packet with a priority level say 2 4 and so on The WRR will transmit the packet with the weight So the packet of each priority level can be allocated a fixed bandwidth Bandwidth rating Bandwidth rating is the limitation set by administrator and it can be applied to those with SLA Bandwidth rating can be total bandwidth types ...

Страница 46: ...on outside the LAN a router is needed which always lies on the edge of the LAN For a layer 2 VLAN it assumes it is a logical subset of a physical LAN separated by specific rules such as tag port MAC address and so on In other words they can communicate with each other between separated small physical LANs within a LAN but can not be between any two separated logical LANs In the figure above all st...

Страница 47: ...ation or join a new user somewhere in the building to VLAN Without VLAN it is very hard to do Basically VLAN can afford offering at least 3 benefits move and change users reduce broadcast traffic and increase performance Security Besides VLAN can highly reduce the traffic congestion and increase total performance because there are no more too many users in the same broadcast domain There are many ...

Страница 48: ...formation Length Type VLAN Protocol ID 0x8100 User Priority CFI VLAN identifier Fig 3 10 Tag Format VLAN Protocol ID 8100 is reserved for VLAN tagged frame User Priority 3 bits long User priority is defined to 7 0 0 is the lowest priority CFI Canonical Format Indicator 1 bit long It is used to encapsulate a token ring packet to let it travel across the Ethernet Usually it is set to 0 VLAN ID 12 bi...

Страница 49: ...rt s PVID is applied to the packet VLAN bridge will then look up the MAC address table and determine to which ports the packet should be forwarded Next it will check to see if the destination ports belong to the same VLAN with that PVID If the destination ports are members of the VLAN used by ingress port the packet will be forwarded Note VID can not be 0 or 4095 Ingress Rule Each packet received ...

Страница 50: ...s formation to make forwarding decision Filtering Database Referred to as FID It can provide the information where the packet will be sent to Filtering database will supply the outgoing port according to the request from forwarding process with VID and DA When a packet is received if it has a non zero VID then FID will offer the associated outgoing ports information to the packet In SVL VLANs use ...

Страница 51: ...tion date August 2012 Revision A1 42 If we plan to deploy four VLANs in an office and use a switch to partition them we should check which ports belong to which VLAN first Assuming a 24 port switch is applied ...

Страница 52: ... assigns IP address to each VLAN Usually we use 10 x x x as internal IP block Because there are total four VLANs in the network we must assign 4 IP blocks to each of them Name VID Network Address Marketing 2 10 1 2 0 24 Service 3 10 1 3 0 24 Sales 4 10 1 4 0 24 Administration 1 10 1 1 0 24 Table 3 6 Here we apply the subnet mask 255 255 255 and each VLAN is capable of supporting 254 nodes ...

Страница 53: ...eyond your budget and the solution caused by the limitation of hardware performance may not be scalable If the item 2 is the case now you do not have to pay much more extra cost and can keep flexible according to the demand of bandwidth because all equipments are there already And what s more you can avoid worrying about the interoperability issue Applying LACP in your network you will not only ga...

Страница 54: ...to switch switch to station and station to station Here station may be a host or a router Link Aggregation called port trunking sometimes has two types of link configuration including static port trunk and dynamic port trunk Static Port Trunk When physical links are changed administrator needs to manually configure the switches one by one Dynamic Port Trunk When physical links are changed LACP tak...

Страница 55: ... IP Address 192 168 1 1 Subnet Mask 255 255 255 0 Default Gateway 192 168 1 254 Password admin Table 4 1 When the configuration of your Web Smart Switch is finished you can browse it by the IP address you set up For instance type http 192 168 1 1 in the address row in a browser then the following screen see Fig 4 1 would show up and ask for your password input for login and access authentication T...

Страница 56: ...ault values and shows you the basic information of the switch including Switch Status TP Port Status Fiber Port Status Aggregation VLAN Mirror SNMP and Maximum Packet Length With this information you will know the software version MAC address ports available and so on It would be helpful while malfunction occurred For more details please refer to Section 4 4 1 Fig 4 2 ...

Страница 57: ... would depend on the ones you insert Vice versa if ports are disconnected they will show just in black On the left side the main menu tree for web is listed in the page According to the function name in boldface all functions can be divided into three parts including Configuration Monitoring and Maintenance The functions of each folder are described in its corresponded section respectively As to t...

Страница 58: ... Configuration VLAN Mode Configuration VLAN Group Configuration Aggregation LACP IGMP Snooping Mirror QoS Storm Control and SNMP System Information Ports Configuration VLAN Mode Configuration VLAN Group Configuration VLAN Isolation Aggregation PoE IGMP Snooping Mirroring SNMP Loop Detection Broadcast Strom Protection QoS Configuration ...

Страница 59: ...s manual IP address setting Fig 4 3 Function name System Configuration Function description Show system description firmware version hardware version MAC address serial number active IP address active subnet mask active gateway DHCP server and Lease time left Set device name DHCP enable fallback IP address fallback subnet mask fallback gateway management VLAN password and inactivity timeout Parame...

Страница 60: ...ft Show the lease time left of DHCP client Device Name Set a special name for this switch Up to 16 characters are allowed in this parameter Any alphanumeric character and null are acceptable Default Giga Switch DHCP Enabled Enable DHCP snooping Just tick the check box to enable it Default disable Fallback IP Address Users can configure the IP settings and fill in new values Then click Apply button...

Страница 61: ...55 255 255 0 Fallback Gateway Set an IP address for a gateway to handle those packets that do not meet the routing rules predefined in the device If a packet does not meet the criteria for other pre defined path it must be forwarded to a default router on a default path This means any packet with undefined IP address in the routing table will be sent to this device unconditionally Default 192 168 ...

Страница 62: ...he values for Mode and Flow Control Others you could set the power saving mode for switch power consumption Fig 4 4 Port Configuration Parameter description Enable Jumbo Frames This function support jumbo frames of up to 9600 bytes Just tick the check box to enable it Default disable Perfect Reach Power Saving Mode This function supports Power Saving and perfect Reach Just select with the Full Lin...

Страница 63: ... summarized the function the media supports Media type NWay Speed Duplex 1000M TP ON OFF 10 100 1000M Full for all Half for 10 100 1000M Fiber ON OFF 1000M Full In Auto Speed mode no default value In Forced mode default value depends on your setting Flow Control You can Just tick the check box to enable flow control If flow control is set Enable both parties can send PAUSE frame to the transmittin...

Страница 64: ...ny packet coming in or outgoing from any one port of a port based VLAN will be accepted No filtering criterion applies in port based VLAN The only criterion is the physical port you connect to For example for a port based VLAN named PVLAN 1 contains port members Port 1 2 3 4 If you are on the port 1 you can communicate with port 2 3 4 If you are on the port 5 then you cannot talk to them Each port...

Страница 65: ...Configuration Tag based VLAN mode Function description The VLAN membership configuration for the selected switch can be monitored and modified here Up to 4094 VLANs are supported This page allows for adding and deleting VLANs as well as adding and deleting port members of each VLAN Fig 4 5 1 tag VLAN Mode ...

Страница 66: ...Publication date August 2012 Revision A1 57 Fig 4 5 2 Per port configuration ...

Страница 67: ...ble it Port Port number VLAN aware Enabled Discard other VLAN group packets only forward this port joined VLAN group packets Packet Type All Forward all tagged and untagged packets Tagged Only Forward tagged packets only and discard untagged packets Pvid This PVID range will be 1 4094 Before you set a number x as PVID you have to create a Tag based VLAN with VID x For example if port x receives an...

Страница 68: ...ased VLAN it will just show the ID Member of the existed port based VLAN group If you are in tag based VLAN it will show the ID VID Member of the existed tag based VLAN group The switch can store the configuration of port based VLAN and tag based VLAN separately When you choose one of VLAN mode the switch will bring you the responded VLAN configuration which keeps the default data You can easily c...

Страница 69: ...age which depends on your VLAN mode selection Member In modify function this is used to enable or disable if a port is a member of the new added VLAN Enable means it is a member of the VLAN Just tick the check box beside the port x to enable it Add Group Create a new port based VLAN or tag based VLAN which depends on the VLAN mode you choose in VLAN mode function Delete Group Just tick the check b...

Страница 70: ...e layer 2 switch as a protected port or a non protected port A destination address on an data packet is matched with a physical address on said layer 2 switch and a forwarding map is generated for the data packet based upon the destination address on the data packet The data packet is then sent to the plurality of ports pursuant to the forwarding map generated based upon whether the ingress port w...

Страница 71: ...if three Fast Ethernet ports are aggregated into a logical port then this logical port s bandwidth would be as three times high as a single Fast Ethernet port s Function name Aggregation Configuration Function description Display the current setup of Aggregation Trunking With this function user is allowed to add a new trunking group or modify the members of an existed trunking group Fig 4 10 Aggre...

Страница 72: ...t traffic by listening to Internet Group Management Protocol IGMP After finishing the settings please press Apply button to start up the function Fig 4 11 IGMP Configuration Parameter description IGMP Enabled Just tick the check box to enable this function Default disable Router Ports Just tick the check box beside the port x to enable router ports then press the Apply button to start up Default n...

Страница 73: ...e VLAN ID At the IGMP Enable mode being selected it will list the VLAN ID number IGMP Snooping Enabled After IGMP Enabled function start up then user can tick the check box to enable this function Default enable IGMP Querying Enabled After IGMP Enabled function start up then user can tick the check box to enable this function Default enable ...

Страница 74: ...one port mirror multi ports For example we assume that Port A and Port B are Source Ports and Port C is Mirror Port respectively thus the traffic passing through Port A and Port B will be copied to Port C for monitor purpose Parameter description Source Port Set up the port for being monitored Just tick the check box beside the port x and valid port is Port 1 10 Mirror Port Use the drop down menu ...

Страница 75: ...Publication date August 2012 Revision A1 66 Fig 4 12 Mirror ports configuration ...

Страница 76: ... is passive except issuing the trap information The switch supports a switch to turn on or off the SNMP agent If you set the field SNMP Enable SNMP agent will be started up If the field SNMP is set Disable SNMP agent will be de activated the related Community Name Trap Host IP Address Trap and all MIB counters will be ignored Function name SNMP Configuration Function description This function is u...

Страница 77: ...me is user definable with a maximum length of 15 characters and is case sensitive There is not allowed to put any blank in the community name string Any printable character is allowable The community name for each function works independently Each function has its own community name Say the community name for Read only works for Read function and can t be applied to other function such as Write an...

Страница 78: ...ce of traffic When switch receives packet s looping detection frame MAC address the same as oneself from port show Loop detection happens The port will be locked when it received the looping detection frames If you want to resume the locked port please find out the looping path and take off the looping path then select Unlock port and click on Apply to turn on the locked ports ...

Страница 79: ...s detected and the port action is to shut down the port State Show the status on the port Protocol Enabled Controls whether Loop Detection is enabled on this switch port When Port No is chosen and enable port s Loop detection the port can detect loop happens and port will be Locked If Loop did not happen port maintains Unlocked Unlock port When ticking the port port locked will be opened and turne...

Страница 80: ...the threshold configured the port will be blocked for a period of time which can be set After a configured time the switch will detect whether the broadcast packets received on the port still exceed the threshold If the broadcast traffic is still higher than the port will be closed for a period of time again If the broadcast traffic is under the threshold the port will re open and forward the pack...

Страница 81: ...Publication date August 2012 Revision A1 72 Fig 4 15 Rate Limit Configuration ...

Страница 82: ...gured the Broadcast Strom Protection enable Unlock Time The period in seconds for which a port will be kept disabled in the event of a loop is detected and the port action is to shut down the port State Show the status on the port Protocol Enabled Controls whether Broadcast Strom Protection is enabled on this switch port Unlock port When ticking the port port locked will be opened and turned into ...

Страница 83: ...on Function description In PoE Port Management function user can configure the settings about PoE The switch complies with IEEE 802 3af protocol and be capable of detecting automatically that whether the device linked to the port on the switch is PD Powered Device or not The switch also manage the power supplement based on the Class of the PD and it will stop supplying the power once the power req...

Страница 84: ...Publication date August 2012 Revision A1 75 Fig 3 16 Parameter description PoE Enabled To evoke to enable which port supply the power to the PD Priority ...

Страница 85: ...will stop supplying the power to the port based on the order of the priority Low Normal High in case total power required by all PDs linked to the switch excesses the power limit As the ports have the same priority then the switch will cease the power supplement from the port with the highest port id 12 1 Allocation W The power is consumed by the port ...

Страница 86: ...rity High priority queue is always passed first Function name 802 1p QoS Mode Function description This function will affect the priority of VLAN tag Based on priority of VLAN tag it can arrange 0 7 priorities priorities can map to 4 queues of the switch low normal medium high and possess different bandwidth distribution according to your weight setting Parameter description Prioritize Traffic Fiv...

Страница 87: ...0s the IETF redefined the meaning of the 8 bit SERVICE TYPE field to accommodate a set of differentiated services DS Under the differentiated services interpretation the first six bits comprise a codepoint which is sometimes abbreviated DSCP and the last two bits are left unused DSCP can form total 64 0 63 kinds of Traffic Class based on the arrangement of 6 bit field in DSCP of the IP packet In t...

Страница 88: ...ormal Priority All Medium Priority or All High Priority Port Number When Custom is selected for Prioritize Traffic you may assign specific Port Number for DSCP Configuration DSCP Configuration 64 kinds of priority traffic as mentioned above user can set up any of Queue low normal medium high In default Priority 0 63 are mapping to Queue high Fig 4 19 DSCP Setting ...

Страница 89: ...Publication date August 2012 Revision A1 80 4 3 Monitoring There are six functions contained in the monitoring function Monitoring Statistics Overview Detailed Statistics IGMP Status PoE Status Ping ...

Страница 90: ...nformation and provides overview of general traffic statistics for all switch ports Fig 4 20 Statistics Overview for all ports Parameter description Tx Rx Bytes The number of received and transmitted bytes per port Tx Rx Frames The number of received and transmitted frames per port Tx Rx Errors The number of frames received in error and the number of incomplete transmissions per port ...

Страница 91: ...for each port Parameter description Rx Packets The counting number of the packet received RX Octets Total received bytes Rx High Priority Packets Number of Rx packets classified as high priority Rx Low Priority Packets Number of Rx packets classified as low priority Rx Broadcast Show the counting number of the received broadcast packet Rx Multicast Show the counting number of the received multicas...

Страница 92: ... Multicast Show the counting number of the transmitted broadcast with multicast packet Tx Error Packets Show the counting number of the received error packets Rx 64 Bytes Number of 64 byte frames in good and bad packets received Rx 65 127 Bytes Number of 65 126 byte frames in good and bad packets received Rx 128 255 Bytes Number of 127 255 byte frames in good and bad packets received Rx 256 511 By...

Страница 93: ... CRC Alignment Number of Alignment errors and CRC error packets received Rx Undersize Number of short frames 64 Bytes with valid CRC Rx Oversize Number of long frames according to max_length register with valid CRC Rx Fragments Number of short frames 64 bytes with invalid CRC Rx Jabber Number of long frames according tomax_length register with invalid CRC Rx Drops Frames dropped due to the lack of...

Страница 94: ...escription Display IGMP status In Fig 4 22 the window shows VLAN ID for each multicast group Fig 4 22 IGMP Status Parameter description VLAN Id Show VLAN Id for each multicast group Querier Show the group membership queries status Queries transmitted To count the group membership queries transmitted ...

Страница 95: ...ups associated with the query and determines to which groups it belongs The host then sets a timer with a value less than the Max Response Time field in the query for each group to which it belongs It Calculate the number of times of IGMPV2 report V3 Reports When a host receives a group membership query it identifies the groups associated with the query and determines to which groups it belongs Th...

Страница 96: ... name PoE State Function description Display the information about the PoE status Fig 4 23 Parameter description Vmain The volt is supplied by the PoE Imain The sum of the current that every port supplies Pconsume The sum of the power that every port supplies Power Limit ...

Страница 97: ...ply Read Only Temperature The temperature of the chip on PoE Port No Port number Port On Show whether the port is supplying the power to the PD or not AC Disconnect Port Off Port is turned off due to the AC Disconnect function DC Disconnect Port Off Port is turned off due to the DC Disc ...

Страница 98: ...r description Ping Parameters Target IP address Set up a Target IP address to ping Count Use drop down menu to set number of echo requests to send Four type of number can choose there are 1 5 10 and 20 Default 1 Time Out in secs Use drop down menu to set number of echo requests time out in second Four type numbers can choose there are 1 5 10 and 20 Default 1 NOTE All the functions should press App...

Страница 99: ...IP address Show the active target IP address Status Show the result of the ping status Received replies Show the received replies number of times Request timeouts Show the timeout of request Average Response times In ms Show the average response time in milliseconds ...

Страница 100: ...tion date August 2012 Revision A1 91 4 4 Maintenance There are five functions contained in the maintenance function Warm Restart Factory Default Maintenance Software Upgrade Configuration File Transfer Logout ...

Страница 101: ...to retrieve default settings After upgrading software you have to reboot the device to have new configuration take effect The function being discussed here is software reset Function name Warm Restart Function description Reboot the switch Reboot takes the same effect as the RESET button on the front panel of the switch Press Yes button to confirm warm restart function and it will take around thir...

Страница 102: ...ion Except the IP address setting all settings will be restored to the factory default values when Factory Default function is performed If you want to restore all configurations including the IP address setting to the factory default please press the RESET button on the front panel Note for RESET button You must press the RESET button over 3 seconds to restore the factory default setting Fig 4 26...

Страница 103: ...t 2012 Revision A1 94 4 4 3 Software Upgrade Function name Software Upgrade Function description You can just click Browse button to retrieve the file you want in your system to upgrade your switch Fig 4 27 Software Upgrade ...

Страница 104: ...guration File Transfer Function description You can backup your switch s configuration file into your computer folder in case accident happens In addition uploading backup configuration file into a new or a crashed switch can save much time and avoid mistakes Fig 4 28 Configuration Upload Download ...

Страница 105: ...rmission If you do not logout and exit the browser the switch will automatically have you logout Besides this manually logout and implicit logout you can set up the parameter of Auto Logout Timer in system configuration function to explicitly ON OFF this logout function Fig 4 29 Parameter description Auto Manual Logout If no action and no key is stroke as well in any function screen more than the ...

Страница 106: ...guration on Computer C 2 The uplink connection function fails to work The connection ports on another must be connection ports Please check if connection ports are used on that 24 Port GbE Web Smart Switch Please check the uplink setup of the 24 Port GbE Web Smart Switch to verify the uplink function is enabled 3 The console interface cannot appear on the console port connection 24 Port GbE Web Sm...

Страница 107: ...lf duplex ports Any ports can be in disable mode force mode or auto polling mode Supports Head of Line HOL blocking prevention Supports broadcast storm filtering Web based management provides the ability to completely manage the switch from any web browser Supports Port based VLAN and Tag based IEEE802 1Q VLAN Auto aging with programmable inter age time Supports 802 1p Class of Service with 2 leve...

Страница 108: ...er Transmission Mode 10 100Mbps support full or half duplex 1000Mbps support full duplex only Transmission Speed 10 100 1000Mbps for TP 100 1000Mbps for Fiber Full Forwarding Filtering Packet Rate PPS packets per second Forwarding Rate Speed 1 488 000PPS 1000Mbps 148 800PPS 100Mbps 14 880PPS 10Mbps MAC Address and Self learning 8K MAC address Buffer Memory Embedded 512 KB frame buffer Flow Control...

Страница 109: ...iguration Auto negotiation support on 10 100Base TX ports Web browser can set transmission speed 10 100Mbps and operation mode Full Half duplex on each port enable disable any port set VLAN group set Trunk Connection VLAN Function Port Base 802 1Q Tagged allowed up to 10 active VLANs in one switch Trunk Function Ports trunk connections allowed Bandwidth Control Supports by port Egress Ingress rate...

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