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101

Improper Network Topologies

It is important to make sure that you have a valid network topology. Common topology

faults include excessive cable length and too many repeaters (hubs) between end nodes.

In addition, you should make sure that your network topology contains no data path

loops. Between any two ends nodes, there should be only one active cabling path at any

time. Data path loops will cause broadcast storms that will severely impact your network

performance.

Diagnosing LED Indicators

The switch can be easily monitored through panel indicators, which describes common

problems user may encounter and where user can find possible solutions, to assist in

identifying problems.

If the power indicator does not light on when the power cord is plugged in, you may have

a problem with power outlet, or power cord. However, if the Switch powers off after

running for a while; check for loose power connections, power losses, or surges at power

outlet. If the problem still cannot be resolved, please contact the local dealer for

assistance.

Содержание GSW-0891

Страница 1: ...GSW 0891 8 Port PoE Fast Ethernet TP 2 Port Gigabit Combo L2 SNMP Switch User Manual Ver 1 00 0711...

Страница 2: ...n a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try...

Страница 3: ...al Dimension 8 Front Panel 8 LED Indicators 9 Rear Panel 10 Desktop Installation 10 Attaching Rubber Pads 11 Power On 11 Network Application 12 Small Workgroup 13 Segment Bridge 14 Console Management...

Страница 4: ...40 SNTP Commands Set 41 X ring Commands Set 43 Web Based Management 44 About Web based Management 44 Preparing for Web Management 44 System Login 44 System Information 45 IP Configuration 46 DHCP Conf...

Страница 5: ...66 VLAN configuration 68 VLAN configuration Port based VLAN 68 802 1Q VLAN 71 802 1Q Configuration 72 Group Configuration 73 Rapid Spanning Tree 74 RSTP System Configuration 74 RSTP Port Configuration...

Страница 6: ...93 Static MAC Address 93 MAC Filtering 94 All MAC Addresses 95 Power over Ethernet 97 Factory Default 98 Save Configuration 99 System Reboot 99 Troubleshooting 100 Incorrect connections 100 Faulty or...

Страница 7: ...ause the Power Sourcing Equipment PSE tests whether a networked device is PoE capable power is never transmitted unless a Powered Device is at other end of the cable It also continues to monitor the c...

Страница 8: ...1p Class of Service Per port provides 4 priority queues Port Base Tag Base and Type of Service Priority Port Mirror Monitor traffic in switched networks TX Packet only RX Packet only Both of TX and RX...

Страница 9: ...adcast Multicast Packet Filter Control System Event Log System Log Server Client SMTP e mail Alert SNMP Trap Device cold start Authentication failure X ring topology changed Port Link up Link down TFT...

Страница 10: ...t backup feature and recovery time below 300ms Quality of service The quality of service determined by port Tag and IPv4 Type of service IPv4 IPv6 Different Service Class of Service Supports IEEE 802...

Страница 11: ...icast packet Broadcast Multicast packet Broadcast only and all of packet The packet filter rate can be set as 100Kbps 10 100 and 256Mbps 1000 User Authentication Supports IEEE802 1x User Authenticatio...

Страница 12: ...de Configuration Upload and Download Supports binary format configuration file for system quick installation TFTP backup and restore Package Contents Unpack the contents of the 8 10 100TX 2 Gigabit co...

Страница 13: ...IC Combo with 8 PoE Injectors Managed Four Rubber Pads RS 232 cable Power Cord User Manual Compare the contents of the package with the standard checklist above If any item is missing or damaged pleas...

Страница 14: ...opper Mini GBIC Combo with 8 PoE Injectors Managed Switch consists of 8 x 10 100Base TX RJ 45 Ethernet ports Auto MDI MDIX 2 Giga port and 2 Mini GBIC ports The LED Indicators are also located on the...

Страница 15: ...ble provides descriptions of LED status and their meaning LED Status Description Green Power On Power OFF No power inputs Green The port is supplying power to the connected powered device FWD port 1 8...

Страница 16: ...n the rear panel of the 8 10 100TX 2 Gigabit copper Mini GBIC Combo with 8 PoE Injectors Managed Switch as shown below The switch will work with AC in the voltage range of AC 100 240V with Frequency o...

Страница 17: ...from your Rubber Pads C Apply the Rubber Pads to each corner on the bottom of the switch These footpads can prevent the switch from shock vibration Power On Connect the power cord to the power socket...

Страница 18: ...fic based on the destination address Using the uplink port Giga Combo port the switch can connect with another switch or hub to interconnect other small switched workgroups to form a larger switched n...

Страница 19: ...hernet Switch network application Small Workgroup The PoE Injector Managed Switch can be used as a standalone switch to which personal computers server printer server are directly connected to form a...

Страница 20: ...on for department users to connect to the corporate backbone In the illustration below two Ethernet switches with PCs print server and local server attached are both connected to the switch All the de...

Страница 21: ...15 Segment Bridge application...

Страница 22: ...tics of the console port Baud Rate 9600 bps Data Bits 8 Parity none Stop Bit 1 Flow control None The settings of communication parameters After finishing the parameter settings click OK When the blank...

Страница 23: ...gement The system supports console management CLI command After you login to the system you will see a command prompt To enter CLI management interface enter enable command The following table lists t...

Страница 24: ...witch Enter logout or quit The user commands available at the user level are a subset of those available at the privileged level Use this mode to Perform basic tests Display system information Privile...

Страница 25: ...a whole VLAN database Enter the vlan database command while in privileged EXEC mode switch vlan To exit to user EXEC mode enter exit Use this mode to configure VLAN specific parameters Interface conf...

Страница 26: ...name System Name G Configure system name switch config system name xxx system location System Location G Set switch system location string switch config system location xxx system description System...

Страница 27: ...er 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 19...

Страница 28: ...ver security enable G Enable IP security function switch config security enable security http G Enable IP security of HTTP server switch config security http security telnet G Enable IP security of te...

Страница 29: ...mode of operation for Fast Ethernet the speed can t be set to 1000 if the port isn t a giga port switch config interface fastEthernet 2 switch config if speed 100 no flowcontrol I Disable flow control...

Страница 30: ...ingress limit frame type to only accept broadcast frame switch config interface fastEthernet 2 switch config if bandwidth type broadcast only bandwidth in Value I Set interface input bandwidth Rate Ra...

Страница 31: ...fig interface fastEthernet 2 switch config if show interface status show interface accounting I show interface statistic counter switch config interface fastEthernet 2 switch config if show interface...

Страница 32: ...upID Port list nolacp G Assign a static trunk group GroupID 1 4 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 switch config aggrega...

Страница 33: ...based VALN switch vlan vlan port based grpname test grpid 2 port 2 4 or switch vlan vlan port based grpname test grpid 2 port 2 3 4 show vlan GroupID or show vlan V Show VLAN information switch vlan s...

Страница 34: ...3 hybrid link untag 5 tag 6 8 vlan 8021q trunk PortNumber access link untag UntaggedVID V Assign a access link for VLAN by trunk group switch vlan vlan 8021q trunk 3 access link untag 33 vlan 8021q tr...

Страница 35: ...change the interval between messages the spanning tree receives from the root switch If a switch does not receive a bridge protocol data unit BPDU message from the root switch within this interval it...

Страница 36: ...spanning tree cost interface configuration command to set the path cost for Spanning Tree Protocol STP calculations In the event of a loop spanning tree considers the path cost when selecting an inte...

Страница 37: ...switch config interface fastEthernet 2 switch config if stp admin non s tp False show spanning tree E Displays a summary of the spanning tree states switch show spanning tree no spanning tree G Disab...

Страница 38: ...oping function switch config igmp enable Igmp query auto G Set IGMP query to auto mode switch config Igmp query auto Igmp query force G Set IGMP query to force mode switch config Igmp query force show...

Страница 39: ...move an entry of MAC address table of interface static switch config interface fastEthernet 2 switch config if no mac address table static hwaddr 000012345678 no mac address table filter hwaddr MAC G...

Страница 40: ...emove Switch config no snmp server host 192 168 1 50 snmpv3 context name Context Name G Configure the context name switch config snmpv3 context name Test snmpv3 user User Name group Group Name passwor...

Страница 41: ...ied community switch config no snmp community strings public no snmp server host Host address G Remove the SNMP server host switch config no snmp server 192 168 1 50 no snmpv3 user User Name G Remove...

Страница 42: ...nitor rx monitor tx G Set TX destination port of monitor function switch config monitor tx show monitor P Show port monitor information switch show monitor monitor RX TX Both I Configure source port o...

Страница 43: ...guration command to change the radius server port switch config 8021x system serverport 1815 8021x system accountport port ID G Use the 802 1x system account port global configuration command to chang...

Страница 44: ...nd to set the supplicant timeout switch config 8021x misc supportimeout 20 8021x misc servertimeout sec G Use the 802 1x misc server timeout global configuration command to set the server timeout swit...

Страница 45: ...etstar Commands Level Description Defaults Example backup flash backup_cfg G Save configuration to TFTP and need to specify the IP of TFTP server and the file name of image switch config backup flash...

Страница 46: ...P server IP switch config smtp serverip 192 168 1 5 smtp authentication G Enable SMTP authentication switch config smtp authentication smtp account account G Configure authentication account switch co...

Страница 47: ...switch config no event device cold start no event authentication failure G Disable Authentication failure event typ switch config no event authentication failure no event X ring topology change G Dis...

Страница 48: ...e G Set offset of daylight saving time if SNTP function is inactive this command can t be applied switch config sntp daylight offset 3 sntp ip IP G Set SNTP server IP if SNTP function is inactive this...

Страница 49: ...2nd Ring Port switch config Xring ringport 7 8 Xring couplingport Coupling Port G Configure Coupling Port switch config Xring couplingport 1 Xring controlport Control Port G Configure Control Port swi...

Страница 50: ...Internet Explorer 6 0 And it is applied with Java Applets for reducing network bandwidth consumption enhance access speed and present an easy viewing screen Preparing for Web Management Before using...

Страница 51: ...er Main interface System Information Assign the system name and location and view the system information System Name Assign the system name of the switch The maximum length is 64 bytes System Location...

Страница 52: ...he default value is 192 168 16 254 DNS1 The abbreviation of Domain Name Server an Internet service that translates domain name into IP addresses Domain name are alphabetic which are easy to be remembe...

Страница 53: ...cause the software keeps track of IP addresses rather than requiring an administrator to manage the task This means that a new computer can be added to a network without the hassle of manually assigni...

Страница 54: ...ay The gateway in your network DNS The IP Address of the Domain Name Server in your network Lease Time sec It is the time period that system will reset the dynamic IP assignment to ensure the dynamic...

Страница 55: ...Assign the dynamic 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 devic...

Страница 56: ...P Firmware File Name The name of firmware image And then click Apply Update Firmware interface TFTP Restore Configuration Restore EEPROM value from TFTP server TFTP Server IP Address Key in the TFTP s...

Страница 57: ...ackup Configuration interface System Event Log Configuration Configure the system event mode which you want to collect and system log server IP System Log Client Mode Select the system log mode client...

Страница 58: ...e or disable the email alert function SMTP Server IP set up the mail server IP address when Email Alert enabled this function will then be available Sender key in a complete email address e g switch10...

Страница 59: ...xisting email account on the mail server which you had set up in SMTP Server IP Address column Password The email account password Confirm Password reconfirm the password Rcpt e mail Address 1 6 you c...

Страница 60: ...opology change Mark the checkbox to select the event When selected events occur the system will produce the logs Device cold start When the device executes cold start action the system will produce a...

Страница 61: ...Link UP Link Down and Link UP Link Down Disable means no event is selected Link UP The system will result a log message when port connection is up only Link Down The system will result a log message...

Страница 62: ...ht saving time period 3 UTC Timezone set the switch location time zone The following table lists the different location time zone for your reference Local Time Zone Conversion from UTC Time at 12 00 U...

Страница 63: ...ish Winter 1 hour 1 pm EET Eastern European USSR Zone 1 2 hours 2 pm BT Baghdad USSR Zone 2 3 hours 3 pm ZP4 USSR Zone 3 4 hours 4 pm ZP5 USSR Zone 4 5 hours 5 pm ZP6 USSR Zone 5 6 hours 6 pm WAST Wes...

Страница 64: ...riod set up the Daylight Saving beginning time and Daylight Saving ending time Both will be different in every year 6 Daylight Saving Offset mins set up the offset time 7 Switch Timer Displays the swi...

Страница 65: ...P1 IP10 will be allowed to access via HTTP service Enable Telnet Server when checked the IP addresses among Security IP1 IP10 will be allowed to access via telnet service Security IP 1 10 Assign up to...

Страница 66: ...Up or Down State It s set by Port Control When the state is disabled the port will not transmit or receive any packet Tx Good Packet The counts of transmitting good packets via this port Tx Bad Packe...

Страница 67: ...Current port status The port can be set to disable or enable mode If the port setting is disable then will not receive or transmit any packet 3 Negotiation set auto negotiation status of port 4 Speed...

Страница 68: ...nk to that Link Aggregation Group and enable its transmission and reception functions in an orderly manner Link aggregation lets you group up to 4 ports into one dedicated connection This feature can...

Страница 69: ...four ports to be aggregated at the same time With LACP static trunk group the exceed ports are standby and can be aggregated later if work ports fail If it is local static trunk group the number of p...

Страница 70: ...tor Setting interface Port Trunk Aggregator Information When you have setup the aggregator setting with LACP disabled you will see the local static trunk group information here Port Trunk Aggregator I...

Страница 71: ...omatically send LACP protocol packets and responds only if it receives LACP protocol packets from the opposite device Note 1 A link has either two active LACP ports or one active port can perform dyna...

Страница 72: ...use one of two ports for monitoring RX traffic only and the other one for TX traffic only User can connect mirror port to LAN analyzer or Netxray Source Port The ports that user wants to monitor All...

Страница 73: ...pe Rate Limiting interface All the ports support port ingress and egress rate control For example assume port 1 is 10Mbps users can set it s effective egress rate as 1Mbps ingress rate as 500Kbps The...

Страница 74: ...y The switch supports port based and 802 1Q tagged based VLAN The default configuration of VLAN operation mode is Disable VLAN Configuration interface VLAN configuration Port based VLAN Packets can go...

Страница 75: ...ormation about the packet such as the protocol VLAN Port Based interface Click Add to add a new VLAN group The maximum VLAN group is up to 256 VLAN groups Entering the VLAN name group ID and grouping...

Страница 76: ...u will see the VLAN displays Use Delete button to delete unwanted VLAN Use Edit button to modify existing VLAN group Note Remember to execute the Save Configuration action otherwise the new configurat...

Страница 77: ...ers You can create Tag based VLAN and enable or disable GVRP protocol There are 256 VLAN groups to provide configuring Enable 802 1Q VLAN the all ports on the switch belong to default VLAN VID is 1 Th...

Страница 78: ...ink Type Access Link Single switch only allows user to group ports by setting the same VID to those ports Trunk Link The extended application of Access Link While the ports are set in this type they c...

Страница 79: ...Tagged VID Assign the tagged frame VID 6 Click Apply Group Configuration Edit the existing VLAN Group 1 Select the VLAN group in the table list 2 Click Apply Group Configuration interface 3 You can Ch...

Страница 80: ...TP protocol RSTP System Configuration User can view spanning tree information about the Root Bridge User can modify RSTP state After modification click Apply button RSTP mode User must enable or disab...

Страница 81: ...et to check RSTP current status Enter a value between 1 through 10 Forward Delay Time 4 30 The number of seconds a port waits before changing from its Rapid Spanning Tree Protocol learning and listeni...

Страница 82: ...hether 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 med...

Страница 83: ...c on an IP network SNMP enables network administrators to manage network performance find and solve network problems and plan for network growth Network management systems learn of problems by receivi...

Страница 84: ...to display MIB object information and to set MIB objects 1 Click Add 2 To remove the community string select the community string that you have defined and click Remove You cannot edit the name of th...

Страница 85: ...define management stations as trap manager enter SNMP community strings and selects the SNMP version 1 IP Address Enter the IP address of trap manager 2 Community Enter the community string 3 Trap Ver...

Страница 86: ...ick Add to add context name Click Remove to remove unwanted context name User Profile Configure SNMP v3 user table User ID Set up the user name Authentication Password Set up the authentication passwo...

Страница 87: ...81 SNMP V3 configuration interface...

Страница 88: ...ntext 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...

Страница 89: ...ueue will be processed at the same time in accordance with the 8 4 2 1 policy rule Use the strict priority scheme Always higher queue will be process first except higher queue is empty Priority Type T...

Страница 90: ...84 rule Click Apply QoS Configuration interface...

Страница 91: ...iddle low and lowest The default value is Lowest priority for each level When the IP packet is received the system will check the TOS level value in the IP packet that has received For example user se...

Страница 92: ...e 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 m...

Страница 93: ...87 IGMP Configuration interface...

Страница 94: ...p If there are 2 or more switches in master mode then software will select the switch with lowest MAC address number as the ring master The X Ring master ring mode will be enabled by the X Ring config...

Страница 95: ...assign the control port to form a couple ring group between the two X rings Enable Dual Homing Set up one of the ports on the switch to be the Dual Homing port For a switch there is only one Dual Homi...

Страница 96: ...n configure the parameters of this function 1 IEEE 802 1x Protocol Enable or disable 802 1x protocol 2 Radius Server IP Set the Radius Server IP address 3 Server Port Set the UDP destination port for...

Страница 97: ...ject The specified port is required to be held in the unauthorized state Accept The specified port is required to be held in the Authorized state Authorized The specified port is set to the Authorized...

Страница 98: ...sion 3 Supplicant Timeout Set the period of time the switch waits for a supplicant response to an EAP request 4 Server Timeout Set the period of time the switch waits for a server response to an authe...

Страница 99: ...the switch This saves the switch from having to re learn a device s MAC address when the disconnected or powered off device is active on the network again You can add modify delete a static MAC addres...

Страница 100: ...rom filtering table select the MAC address and click Delete Static MAC Addresses interface MAC Filtering By filtering MAC address the switch can easily filter pre configured MAC address and reduce the...

Страница 101: ...e select the MAC address and click Delete All MAC Addresses You can view the port information of the connected device s MAC address and related devices MAC address 1 Select the port 2 The selected por...

Страница 102: ...96 All MAC Address interface...

Страница 103: ...column shows the power source which is supplying Power Source 1 AC This column shows the supplying power value of power source 1 Power Source 2 AC DC This column shows the supplying power of power sou...

Страница 104: ...t method Classification When this check box is marked the system will limit the power supply to the powered device in accordance with the related class Legacy Check it to support the legacy power devi...

Страница 105: ...at you have made in the system To ensure the all configuration will be saved Click Save to save the all configuration to the flash memory Save Configuration interface System Reboot Reboot the switch i...

Страница 106: ...Faulty or loose cables Look for loose or obviously faulty connections If they appear to be OK make sure the connections are snug If that does not correct the problem try a different cable Non standard...

Страница 107: ...that will severely impact your network performance Diagnosing LED Indicators The switch can be easily monitored through panel indicators which describes common problems user may encounter and where u...

Страница 108: ...Rapid spanning tree IEEE802 1p Class of service IEEE802 1Q VLAN Tag IEEE 802 1x user authentication Radius LED Indicators System Power Green 10 100TX Port Link Activity Green 100Mbps Green Gigabit co...

Страница 109: ...tem throughput up to 8 3Mpps Back plane 5 6Gbps MAC address 8K MAC address table with Auto learning function Flash ROM 4Mbytes DRAM 32Mbytes Packet Buffer 1Mbits for packet buffer Power Supply 100 240...

Страница 110: ...104 Dimensions 270mm W x 210mm D x 44mm H...

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