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Figure 4-62: Stack on Screen

NOTE

Please note when choose

“

Master

”

from

“

Stacking State

”

. It allows user to assign this

Switch as Master device in this stack group. Then the rest of the Switches should be slave
device.

4.2.9 igmp--IGMP Management Commands

These commands allow configuring the IGMP Parameters. The screen in Figure 4-63 appears.

Figure 4-63: IGMP Screen

4.2.9.1 igmp show

This command allows to viewing the current status of IGMP function. The screen in Figure 4-64 ap-

pears.

Summary of Contents for SGSW-4802

Page 1: ...10 100 1000Mbps Managed Stackable Switch SGSW 4802 User s Manual ...

Page 2: ...e improvements to this User s Manual and or to the products described in this User s Manual at any time without notice If you find information in this manual that is incorrect misleading or incomplete we would appreciate your comments and suggestions FCC Warning This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules Thes...

Page 3: ...3 7 STP Config 13 3 7 1 STP Port 14 3 7 2 STP Bridge 15 3 8 IGMP 16 3 8 1 IGMP Management 16 3 8 2 Definition on IGMP v1 0 and v2 0 16 3 9 Stack 17 3 10 SNMP 20 3 11 RMON Statistics 21 3 12 Port Security 22 3 12 1 Setting Up Procedures 22 3 12 2 Delete MAC Address 23 3 13 Mirror Port 24 3 13 1 Using Mirror Port to Monitor Traffic 24 3 13 2 Setup Procedures 24 3 14 Aging Control 25 3 15 Address Sea...

Page 4: ... 2 4 vlan VLAN Management Commands 61 4 2 5 trunk TRUNK Management Commands 63 4 2 6 stp STP Management Commands 64 4 2 7 snmp SNMP Management Commands 68 4 2 8 stack STACK Management Commands 70 4 2 9 igmp IGMP Management Commands 71 5 Switch Operation 73 5 1 Address Table 73 5 2 Learning 73 5 3 Forwarding Filtering 73 5 4 Store and Forward 73 5 5 Auto Negotiation 73 6 Troubleshooting 74 Appendix...

Page 5: ...aged Switch Modules and Gigabit 1000Base SX LX Managed Fiber Modules With its build in Web based Management managing and configuring the SGSW 4802 Managed Switch becomes easier From cabinet management to port level control and monitoring you can visually configure and manage your network via Web Browser just click your mouse instead of typing cryptic command strings However the SGSW 4802 Managed S...

Page 6: ... modules Stack Interface Through Ethernet interface Up to 16 units can be managed by single IP Switch Processing Scheme Store and forward Throughput packet per second 10Mpps Switch Fabric 9 6Gbps Address Table 8K entries 4K for each 24 port Queue Buffer 12Mbytes 6Mbytes for each 24 port Flow Control Back pressure for half duplex IEEE 802 3x Pause Frame for full duplex Broadcast Storm Control Disca...

Page 7: ...g port to monitor several mirrored ports Standards Conformance Regulation Compliance FCC Part 15 Class A CE Standards Compliance IEEE 802 3 Ethernet IEEE 802 3u Fast Ethernet IEEE 802 3z 1000Base SX LX IEEE 802 3ab 1000Base T IEEE 802 1D STP IEEE 802 3x full duplex flow control IEEE 802 1p QoS IEEE 802 1Q VLANs RFC 768 UDP RFC 783 TFTP RFC 791 IP RFC 792 ICMP RFC 826 ARP RFC 1122 Host Requirements...

Page 8: ...h consists of 48x auto sensing 10 100Mbps Ethernet RJ 45 Ports two optional expansion slots and Console port The LED Indicators are also located on the front panel of the Switch Console 38400 8 N 1 1 3 5 7 2 4 6 8 9 11 13 15 10 12 14 16 17 19 21 23 18 20 22 24 41 43 45 47 42 44 46 48 33 35 37 39 34 36 38 40 25 27 29 31 26 28 30 32 49 50 SGSW 4802 Switch front panel 2 1 1 LED indicators SGSW 4802 P...

Page 9: ... hub PC should not exceed 100 meter for UTP STP cable 2km for 62 5 125 and 50 125 fiber cable on 100Base FX module 220m for 62 5 125 fiber cable and 500m for 50 125 fiber cable on 1000Base SX module 550m for 62 5 125 and 50 125 fiber cable and 10km for 9 125 fiber cable on 1000Base LX module Make sure the wiring is correct It can be used Category 3 4 5 cable in 10 Mbps operation To reliably operat...

Page 10: ... The COM port should be configured as Baud 38400 Parity None Data bits 8 Stop bits 1 Flow Control none Once the terminal has connected to the device power on the device The terminal will display that it is loading the firmware Then the screen as below will show up Press Enter and input the password The default password is admin 2 5 IP Configuration Once log on to the console the Command prompt wil...

Page 11: ...h the following IP settings IP Address 192 168 0 2 Subnet Mask 255 255 255 0 Default Gateway 192 168 0 254 Press input the following command and press Enter button sys set ip 192 168 0 2 255 255 255 0 192 168 0 254 If the IP is successful configured the switch will automatically restart as the following window You can then configure the switch through its web interface ...

Page 12: ...performed the following tasks Configure it with a valid IP address subnet mask and default gateway using an out of band serial connection For Internet Explorer 5 0 or later version user please check the Java setting below before startup 1 Click on Tools 2 Pick Internet Options 3 Select the Security tab 4 Select Local Intranet click on the icon 5 Click on Sites click Advanced and add the IP address...

Page 13: ...Web Page After the password is entered you will see the main menu web screen of SGSW 4802 Figure 3 2 The start up screen of SGSW 4802 Web Page 3 3 Port Config This section allows you to have an easy access in configuring the ports of the management Switch Notice that the Link state option indicates Up This shows that the port is connected to the network It can either be in Up Connected or Down No ...

Page 14: ...he percent of the traffic to allow before throttling That is if you configure this value to 10 and current connected speed are 100M Only 10M broadcast data can pass through the port Port Priority In a tagged VLAN application you can specify the VLAN priority to expedite the VLAN traffic There are 8 levels of priority namely 0 1 2 3 4 5 6 and 7 in ascending priority Port VLAN ID VLAN ID is the sequ...

Page 15: ...d and untagged based VLAN are supported with a total maximum of 32 groups Each VLAN group only forwards traffic within its member ports For tagged VLAN each port can be a member of more than one VLAN group and it also supports priority with eight levels There is also provision for creating an untagged VLAN which support a connection with a legacy untagged port The VLAN configuration feature also a...

Page 16: ... logical link The port trunk acts as single link between switches It doesn t create a loop even though it is physically connected as such Figure 3 5 The Port Trunk config Web Page Port Trunking Setup Procedures Step 1 Decide to create a trunk group from port 1 24 or port 25 48 Step 2 You can choose up to 4 port for Trunking by selecting as T Step 3 Click on Apply button to make the configuration e...

Page 17: ... Setup Screen RMON Statistics Show RMON statistics information Port Security The Port Security Setup Screen MirrorPort Config The Mirror Port Setup Screen Aging Control The Aging Control Setup Screen Address Search The Address Search Setup Screen 3 7 STP Config The STP Config provides two menu pages to configure STP Port and STP Bridge The STP screen in Figure 3 6 appears Figure 3 6 The STP Port W...

Page 18: ... Fast Ethernet 19 10 60 Gigabit Ethernet 4 3 10 The allowed range is 0 65535 Priority Defines the priority for the use of a port in the Spanning Tree algorithm If the path cost for all ports on a switch are the same the port with the highest priority i e lowest value will be configured as an active link in the Spanning Tree Where more than one port is assigned the highest priority the port with lo...

Page 19: ... same priority the device with the lowest MAC address will then become the root device The available range is 0 65535 sec Hello Time The Hello time of the Spanning Tree field shows the number of seconds between the transmis sions of Spanning Tree protocol configuration messages The available range is 1 10 sec Forward Delay The Forward Delay field shows the number of seconds a port waits before cha...

Page 20: ...There is no restriction on the location or number of members in a host group A host may be a member of more than one group at a time A host need not be a member of a group to send datagrams to it The IGMP screen in Figure 3 8 appears Figure 3 8 The IGMP Web Page 3 8 1 IGMP Management To activate IGMP function Step 1 Select enabled in the IGMP state field Step 2 Click on the radio button to select ...

Page 21: ... from which it received the query When a router receives a Report it adds the group being reported to the list of multicast group memberships on the network on which it received the Report and sets the timer for the member ship to the Group Membership Interval When a host joins a multicast group it should immediately transmit an unsolicited Version 2 Membership Report for that group in case it is ...

Page 22: ...reen in Figure 3 10 appears Figure 3 10 The Stack enable Web page Step 4 Enter into web interface of another SGSW series Switches ex 192 168 100 129 Step 5 Choose Stack Config and choose the correct stack mode Step 6 After configure completed Press Save to save the current configuration ...

Page 23: ...Thus if master switch is malfunction you can still access the other switch by same IP address NOTE If you have difficulty on selecting another switch you may be connecting to the slave switch s web please close the browser window use the arp d DOS command to clear the ARP table and then reopen the web You can key in Master IP ex 192 168 100 128 and choose Stack Config and then the entire stack mem...

Page 24: ...its own community entry NOTE In a stack environment for master switch to know which switch you want to view and set by SNMP either the switches IP or community name must be different Thus if you have stacked several switches by single IP their community name must be different Trap messages are generated to report system events spontaneously as defined in RFC 1215 The system can generate traps defi...

Page 25: ...21 Figure 3 13 The SNMP Web Page 3 11 RMON Statistics This function allows use to view all port s RMON Statistics The RMON Statistics screen in Figure 3 14 appears Figure 3 14 RMON Statistics Web page ...

Page 26: ... Port security screen in Figure 3 15 appears Figure 3 15 Port Security Web Page 3 12 1 Setting Up Procedures Step 1 Select the port that you want to add in the MAC Address Step 2 Key in the MAC Address in the field provided e g 00 00 00 01 10 00 and click Add button Then the system message will show as below Press return for back to the previous screen The system will then add in the New MAC Addre...

Page 27: ... a MAC Address and clink on Del button The system will prompt you to confirm your action Step 2 Choose OK button to confirm The particular MAC Address will be successfully deleted For deleting ALL MAC Addresses Step 1 Click on Delete All button and the system will again prompt you the message as shown as above Step 2 Choose OK button to confirm All MAC Addresses will be deleted immediately ...

Page 28: ...zer to analyze the traffic for specific problem The Port Mirroring screen in Figure 3 17 appears Figure 3 17 Mirror Port Setup Web Page 3 13 2 Setup Procedures Step 1 Select one Mirror Port Step 2 Click on the dashed line on that particular port if you wan to select it as a Mirrored Member T Step 3 Press Apply button after you are satisfied with the setup Click Save button to save the current conf...

Page 29: ...ol is disabled all address entries will not be removes The Aging control screen in Figure 3 18 appears Figure 3 18 Aging Control Web Page Aging Control Configuration Procedures Step 1 Select Enable from the Aging Control option Step 2 Enter an integer in the entry choosing from the range of 1 to 128 if the aging control is en abled If the aging control is disabled this step can be skipped 3 15 Add...

Page 30: ...search Web Page 3 15 1 Host Searching Procedures Step 1 Enter the IP Address of the host Step 2 Click on Search button The result will displayed as shown If the system cannot find the Host Address the following GUI will appear ...

Page 31: ... device for the port s ownership of that particular PC The screen in Figure 3 20 appears Figure 3 20 The MAC Address search screen MAC Address Search Procedures Step 1 Enter MAC Address in the field provided Step 2 Click on Search button If MAC Address was found by the system the result will appear as But if the system cannot find any matching MAC Address the following search result will appear ...

Page 32: ...Switch The Reboot Switch Screen Logout The logout Screen 3 17 System Config This page allows configuring the basic switch information and IP address The System config screen in Figure 3 21 appears Figure 3 21 The System Configuration Web Page The setup procedure is Step 1 Give a description for the system name and location of this switch Step 2 Key in the contact information and describe the produ...

Page 33: ...TE Please note that after changing IP Address of the device the system will not lead you to log in the management switch web page after you have clicked Logon button In stead a page error will display on the screen state that The page cannot be displayed Don t worry What you need to do is to enter your NEW IP Address to login to the web page 3 18 System Information System Information displays the ...

Page 34: ...r current password Step 2 Enter your new password Step 3 Enter the new password again for confirmation Step 4 Click on Changing Password button to active the new setting If your password is keyed correctly the system will reply you with a system message stating that your password has been changed successfully However if wrong password is entered any of the error messages shown below will appear ...

Page 35: ...ectly 3 20 Firmware Upgrade You can simply download the newer version Firmware from www planet com tw Here you will find links that allows easy access for upgrading of future released of updated firmware The firmware upgrade screen in Figure 3 24 appears ...

Page 36: ...ading the firmware saved it into your hard disk Upgrade Firmware Procedure Step 1 Click Browse button to select the file where you have just saved and Choose file dialog box will appear prompting you to select the file to upgrade the firmware Step 2 Click Upgrade button to start replacing the latest Firmware revision The system will prompt you reboot the management switch ...

Page 37: ...nds if you still need to do some configuration on the management switch NOTE If you are using the same or older version of the firmware the system will prompt you whether or not to use the firmware See the GUI shown below On the other hand if you choose the wrong file a system message will appear ...

Page 38: ...button you will save all the changes made in the management switch You need to reboot the switch to ensure that the profile is updated correctly 3 21 2 Backup This option allows you to backup the switch s configuration into a file To create a backup configuration Step 1 Click on the Backup button and the system will prompt you to either open the file or save it to disk Step 2 Select the radio butt...

Page 39: ... cfg to a destination Step 3 Select a folder that you want to save the file and click SAVE button to storage Step 4 After downloading process has completed the following GUI will appear Click Close button if you do not want to view the downloaded file ...

Page 40: ...tion allows you to restore the old configuration from your backup file Step 1 Click Browse button and select the file that you want the system to restore back the con figuration Step 2 Click Restore button to start the process ...

Page 41: ... clicking this option you will restore the management switch to factory defaults And you will have to re enter all the configuration information to your network To Clear or reset the setting Step 1 Click Clear and Reset button The system will prompt you to choose whether you really want to reset the configuration data Step 2 Click Yes button to proceed and the system will automatically reset the I...

Page 42: ...38 Step 3 Click Logon button if you want to make some more changes 3 22 Message Windows Display Switch system message The Message Window in Figure 3 26 appears Figure 3 26 The Message Window page ...

Page 43: ... see the effect 3 24 Logout With the web browser logging out is as easy as ABC By clicking Logout button you will get a logout GUI as shown below If you need to access to the Web Page again you just need to click Logon button This is true only if you have not changed the default factory settings for the IP address of your switch Alternatively you can log in again into the web based browser via htt...

Page 44: ...40 Figure 3 28 The Logout Web Page NOTE If you changed a new IP Address for the management switch the systems will NOT automatically changed to the new IP address after you click on the Logon button ...

Page 45: ...l program is required to make the software connection to the device Windows Hyper Ter minal program may be a good choice It can be accessed from the Start menu Click START then Programs Accessories and then Hyper Terminal MS DOS based terminal program such as PC PLUS PROCOMM can also make the connection with the device built in software The COM port should be configured as Baud 38400 Parity None D...

Page 46: ...e factory default console password admin or user defined password if you changed the default password using the instructions in Section 4 2 1 10 The Switch Management prompt in Figure 4 3 appears Figure 4 3 SGSW 4802 Console Main Screen Please type Help on the command line The main menu displays all the system command usage that is available as below ...

Page 47: ...k Default Gateway sys set name string sys set contact string sys set location string sys set password sys set link_info on off sys set aging aging_time sys reset system sys reset config sys save config Logout Exit Management Commands Logout Port Port Management Commands port show stat port show mir port show sec port number port show rmonstat port number port set enable port number h f 10 100 1000...

Page 48: ... set pri vid p priority Trunk TRUNK Management Commands trunk show trunk set g0 g1 port1 port2 port3 port4 Stp STP Management Commands stp on off stp show port stp show bridge stp set port port number c PathCost stp set port port number p priority stp set bridge p RootPriority stp set bridge t HelloTime stp set bridge d ForwardDelay stp set bridge a MaxAge snmp SNMP Management Commands snmp on off...

Page 49: ...meters to display and configure the switch to your network The screen in Figure 4 5 appears Figure 4 5 Sys command Screen 4 2 1 1 sys show info This command displays the system information of SGSW 4802 The screen in Figure 4 6 appears Figure 4 6 System information Screen ...

Page 50: ...network information of SGSW 4802 The screen in Figure 4 7 appears Figure 4 7 Network information Screen 4 2 1 3 sys show mac This command displays the MAC address of SGSW 4802 The screen in Figure 4 8 appears Figure 4 8 MAC address information Screen ...

Page 51: ...om various Ethernet environment The usage is sys search ip ddd ddd ddd ddd Please refer to the example in Figure 4 9 Figure 4 9 IP search successfully Screen If it can t find the specific IP address then the following screen in Figure 4 10 appears Figure 4 10 IP search unsuccessfully Screen ...

Page 52: ... Ethernet environment The usage is sys search mac hh hh hh hh hh hh Please refer to the example in Figure 4 11 Figure 4 11 MAC address search successfully Screen If it can t find the specific MAC address then the following screen in Figure 4 12 appears Figure 4 12 MAC address search unsuccessfully Screen ...

Page 53: ...s Subnet Mask Default Gateway This command allows setting the IP address Subnet Mask Gateway of SGSW 4802 After setup completed the Switch will reboot automatically The screen in Figure 4 13 appears Figure 4 13 Network setting Screen ...

Page 54: ... of SGSW 4802 The screen in Figure 4 14 appears Figure 4 14 System name setting Screen 4 2 1 8 sys set contact string This command allows setting the system administrator name of SGSW 4802 The screen in Figure 4 15 appears Figure 4 15 System administrator name setting Screen ...

Page 55: ...igure 4 16 appears Figure 4 16 System location setting Screen 4 2 1 10 sys set password This command allows setting the password of SGSW 4802 The screen in Figure 4 17 appears Figure 4 17 Password setting Screen NOTE The new password should be an alphanumeric string of size 6 to 15 starting with a letter ...

Page 56: ...nsole Or if you disable it it will not prompt the port status any more The screen in Figure 4 18 appears Figure 4 18 System link report setting Screen 4 2 1 12 sys aging aging_time This command allows setting the aging time of SGSW 4802 The available range is 0 128 0 disable aging time The screen in Figure 4 19 appears Figure 4 19 Aging time setting Screen ...

Page 57: ...eboot the SGSW 4802 The screen in Figure 4 20 appears Figure 4 20 System reset Screen 4 2 1 14 sys reset config This command will reboot and reset the SGSW 4802 to default mode The screen in Figure 4 21 appears Figure 4 21 System reset config Screen ...

Page 58: ...54 4 2 1 15 sys save config This command will save the current configure of SGSW 4802 The screen in Figure 4 22 appears Figure 4 22 System save config Screen ...

Page 59: ... 4802 The screen in Figure 4 23 appears Figure 4 23 logout Screen 4 2 3 port Port Management Commands This menu contains system parameters to display and configure the port of the switch The screen in Figure 4 24 appears Figure 4 24 Port command Screen ...

Page 60: ...ew the port status of each port The screen in Figure 4 25 appears Figure 4 25 Port statistics Screen 4 2 3 2 port show mir This command allows viewing the port mirror status of SGSW 4802 The screen in Figure 4 26 ap pears Figure 4 26 Port show mir Screen ...

Page 61: ...tus of each port from SGSW 4802 The screen in Figure 4 27 appears Figure 4 27 Port show sec Screen 4 2 3 4 port show rmonstat port number This command allows viewing the detail Network traffic of each port from SGSW 4802 The screen in Figure 4 28 appears Figure 4 28 Port show sec Screen ...

Page 62: ...et enable Screen 4 2 3 6 port set disable port number This command allows disabling each port of SGSW 4802 The screen in Figure 4 30 appears Figure 4 30 Port set disable Screen 4 2 3 7 port set flw port number on off This command provide disable or enable flow control on each port of SGSW 4802 The screen in Figure 4 31 appears Figure 4 31 Flow control disable enable Screen ...

Page 63: ...re disable enable Screen 4 2 3 9 port set pri port number p priority This command provides setting the priority level on each port The screen in Figure 4 33 appears Figure 4 33 Port priority Screen 4 2 3 10 port set vid port number v vid This command allows setting the VLAN group and assigning VLAN ID on each port The screen in Figure 4 34 appears Figure 4 34 Port VLAN ID Screen ...

Page 64: ...tion the Port Mirroring function cannot across between groups i e port 1 24 as a group and port 25 48 as another group 4 2 3 12 port sec add port number MAC Address This command allows configuring the port security function of SGSW 4802 A port can accommodate up to 20 MAC Addresses The port security usages and example in Figure 4 36 appears Figure 4 36 Port security Screen NOTE After add a new MAC...

Page 65: ...s that input on each port of SGSW 4802 The usage and example in Figure 4 37 appears Figure 4 37 Port security Screen 4 2 4 vlan VLAN Management Commands This menu contains system parameters to display and configure the VLAN of SGSW 4802 The screen in Figure 4 38 appears Figure 4 38 VLAN command Screen ...

Page 66: ...4 2 vlan build vid u untags t tags p priority This command allows creating VLAN group and assigning VLAN tag and untagged The screen in Figure 4 40 appears Figure 4 40 VLAN build successfully Screen 4 2 4 3 vlan delete vid This command allows deleting VLAN group The usage and example in Figure 4 41 appears Figure 4 41 VLAN deleted successfully Screen ...

Page 67: ...priority Screen 4 2 5 trunk TRUNK Management Commands This menu contains system parameters to display and configure the trunk of this switch The trunk screen in Figure 4 43 appears Figure 4 43 Trunk command Screen 4 2 5 1 trunk show This command displayed the Trunk status The screen in Figure 4 44 appears Figure 4 44 Trunk status Screen ...

Page 68: ...screen in Figure 4 45 appears Figure 4 45 Trunk group setting Screen 4 2 6 stp STP Management Commands These commands allow configuring the STP function on SGSW 4802 The screen in Figure 4 46 appears Figure 4 46 Disable enable STP Screen 4 2 6 1 stp on off This command allows disable off or enable on the STP function The screen in Figure 4 47 ap pears ...

Page 69: ...65 Figure 4 47 Disable enable STP Screen 4 2 6 2 stp show port This command allows viewing the STP status of each port from SGSW 4802 The screen in Figure 4 48 appears Figure 4 48 STP show port Screen ...

Page 70: ...the Bridge Parameters of STP The screen in Figure 4 49 appears Figure 4 49 STP show bridge Screen 4 2 6 4 stp set port port number c PathCost This command allows assigning pathcost to each port The available range is 1 65535 Figure 4 50 STP Pathcost Screen ...

Page 71: ...riority This command allows setting the root priority of STP The available is 0 65535 Figure 4 52 STP Root Priority Screen 4 2 6 7 stp set bridge t HelloTime This command allows setting the hello time of STP The available range is 1 10 Figure 4 53 STP Hello time Screen 4 2 6 8 stp set bridge d ForwardDelay This command allows to setting the forward delay of STP The available range is 4 30 ...

Page 72: ...vailable range is 6 40 Figure 4 55 STP Max Age Screen 4 2 7 snmp SNMP Management Commands These commands allow configuring the SNMP Parameters The screen in Figure 4 56 appears Figure 4 56 SNMP Screen 4 2 7 1 snmp on off This command allows disable off or enable on the SNMP function Please refer to Figure 4 57 for usage and example ...

Page 73: ...tatus and community string of SNMP function The screen in Figure 4 58 appears Figure 4 58 SNMP show community Screen 4 2 7 3 snmp set ro rw CommunityString This command allows to modify the Read Only and Read Write Community String The screen in Figure 4 59 appears Figure 4 59 Set community string Screen ...

Page 74: ...4 2 8 2 stack on A m s off This command allows enable the stack function There are four available options from the Stacking State The options and descriptions are shown as below Disable disable stack function Auto select choose this stack mode It will assign the Switch with minimum MAC address as the Master device Master choose this stack mode It will allow user assign one specific Switch as the M...

Page 75: ...e in this stack group Then the rest of the Switches should be slave device 4 2 9 igmp IGMP Management Commands These commands allow configuring the IGMP Parameters The screen in Figure 4 63 appears Figure 4 63 IGMP Screen 4 2 9 1 igmp show This command allows to viewing the current status of IGMP function The screen in Figure 4 64 ap pears ...

Page 76: ...72 Figure 4 64 IGMP show screen 4 2 9 2 igmp on ver version off This command allows disable off or enable on the IGMP function in version 1 or version 2 Figure 4 65 IGMP off on screen ...

Page 77: ... the complete error checking before transmission Therefore no error packets occurrence it is the best choice when a network needs efficiency and stability The Managed Switch scans the destination address from the packet header searches the routing table provided for the incoming port and forwards the packet only if required The fast forwarding makes the switch attractive for connecting servers dir...

Page 78: ...ntain older information than of the address table of that node Please power down to refresh the address information please also check VLAN configuration Performance is bad Solution Check the full duplex status of the Managed Switch If the Managed Switch is set to full duplex and the partner is set to half duplex then the performance will be poor 100Base TX port link LED is lit but traffic is irreg...

Page 79: ...ion of the crossover function within a twisted pair cable or at a wiring panel while not expressly forbidden is beyond the scope of this standard A 2 10 100Mbps 10 100Base TX Contact MDI MDI X 1 1 3 2 2 6 3 3 1 6 6 2 A 3 RJ 45 cable pin assignment 21 3 6 1 2 3 6 21 3 6 There are 8 wires on a standard UTP STP cable and each wire is color coded The following shows the pin allocation and color of str...

Page 80: ...76 Figure A 1 Straight Through and Crossover Cable Please make sure your connected cables are with same pin assignment and color as above picture before deploying the cables into your network ...

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