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1. om s J c l i i a TTT L r See PFFF L ES CEEE orf P L HE ss s L HE E 32 19 L T L TT F1226P 24 Port 10 100Mbps 2 Port Gigabit SFP Combo Managed PoE Switch www ip com com cn Copyright Statement IP COM is the registered trademark of IP COM Networks Co Ltd All the products and product names mentioned herein are the trademarks or registered trademarks of their respective holders Copyright of the whole product as integration including its accessories and software belongs to IP COM Networks Co Ltd No part of this publication can be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form or by any means without the prior written permission of IP COM Networks Co Ltd If you would like to know more about our product information please visit our website at www ip com com cn Disclaimer Pictures images and product specifications herein are for references only To improve internal design operational function and or reliability IP COM reserves the right to make changes to the products described in this document without obligation to notify any person or organization of such revisions or changes IP COM does not assume any liability that may occur due to the use or application of the product or circuit layout s described herein Every effort has been made in the preparation of this document to ensure accuracy of the contents but
2. contain a multicast listener an IGMP client How IGMP Snooping Works A switch that runs IGMP snooping performs different actions when receiving different IGMP messages When receiving a general query The IGMP querier periodically sends IGMP general queries to all hosts and routers on the local subnet to determine which active multicast group members exist on the subnet After receiving an IGMP general query the switch forwards it through all ports in the VLAN except the port that received the query and performs corresponding actions on the receiving port resets enables the age timer When receiving a membership report A host sends an IGMP membership report to the multicast router in the following circumstances After receiving an IGMP query a multicast group member host responds with an IGMP membership report When intended to join a multicast group a host sends an IGMP membership report to the multicast router to announce that it wants to join the multicast group After receiving an IGMP membership report the switch forwards it through all the router ports in the VLAN resolves the address of the reported multicast group and performs corresponding actions on the receiving port resets enables the age timer A switch does not forward an IGMP membership report through a non router port When receiving a leave message When an IGMPv1 host leaves a multicast group the host does not send an IGMP leave message so the switch cannot
3. In computing a command is a directive to a computer program acting as an interpreter of some kind in order to perform a specific task Ipconfig all internet protocol configuration in Microsoft Windows is a Ipconfig all console application that displays all current TCP IP network configuration values and NIC MAC addresses Ping is a computer network administration utility used to test the l reachability of a host on an Internet Protocol IP network and to ping a ee measure the round trip time for messages sent from the originating host to a destination computer Removes arp information from network devices Displays arp information from network devices 52 www ip com com cn Chapter 5 TCP IP Setup This section presents you how to configure your PC s TCP IP settings in Windows XP Before you start make sure your PC has an installed NIC If not please install one first Follow steps below 1 Click Start gt Settings gt Control Panel Programs Documents Settings Control Panel K Network Connections Search h Printers and Faxes Help and Support af Taskbar and Start Menu Run Log OFF user Turn OFF Computer untitled Paint 2 Click Network Connections Control Panel File Edit View Favorites Tools Help a ad K Search C Folders RTL Address gt Control Panel e Control Panel a 40 L l Accessibility Add Hardware Add or Administrative Automatic Da
4. com com cn Mi vote 1 Do NOT interrupt power and network connections during software upgrading If network is interrupted during the process you must re enter the upgrade screen and re upgrade the software 2 To return to management interface when you already enter the upgrade screen simply click Back But you cannot return to the management interface if upgrade is in process or upgrade fails 3 3 Port Management 3 3 1 Port Configuration 1 Port Configuration This section allows you to configure link rate duplex mode flow control and MAC address learning priority and broadcast storm control settings on each individual port as well as enable or disable a particular port You can select 10Mbps half duplex 10Mbps full duplex 100Mbps full duplex 100Mbps half duplex 1000 full duplex only available for ports 25 26 or auto negotiation for the port to operate on The default mode is Auto auto negotiation in which the port automatically negotiates with the link partner for optimum speed duplex mode In this mode a port communicates and negotiates automatically with linked partner to determine an optimum speed duplex mode Before selecting other options than Auto ensure that the linked partner is operating in the same mode or in auto negotiation mode otherwise communication may fail For packets not carrying 802 1Q tag the switch uses port priority as 802 1p priority to look up in local priority mapping table and mark a loc
5. segments However if you are using a dynamic IP there is no such need Within specified range MAC aging can be made by multiplying 60 and Y where x must be an integer Copyright c 2013 by Shenzhen IP COM Technology Co Ltd All rights reserved Fields on the screen are described below Firmware Version Display switch s current firmware version Display switch s current firmware version MAC Address Display switch s physical address Management VLAN Enable DHCP client to obtain an IP address automatically from the DHCP server on network If the device fails to retrieve an IP address through DHCP the previous IP address will be used Note the displayed IP address assigned by the DHCP server You will need this value to DHCP Client access the switch directly from a web browser Do not enable it if you cannot access the DHCP server to see the displayed IP address If your network has no DHCP service you must disable the DHCP client and assign a static IP address to your switch You can also assign the switch a static IP address even if your network has DHCP service VLANI is preset to management VLAN by default Configure a static IP address which will be used to access the switch s web manager IP Address The default is 192 168 0 1 Configure the corresponding subnet mask of the IP address specified above The default Subnet Mask is 255 255 255 0 Specify a gateway address for the switch The default is 0 0 0
6. 0 www ip com com cn This field specifies the length of time a learned dynamic MAC Address will remain in the forwarding table without being accessed that is how long a learned MAC Address is allowed to remain idle The MAC Address Aging Time can be set to any value between 60 3000 seconds The default setting of 300 seconds is recommended 3 2 2 User Management The switch only supports a user Once you change the user name or password you must use the new user name or new password to access the web manager If you unfortunately forget the login user name and or password simply press the RESET button on the front panel for about 5 seconds System Info User Management Reset Reboot Firmware Upgrade User Name admin Password 66666 Confirm Password 66666 Note User Name Must consist of 1 15 alphanumeric characters or underscore and start with letter Password Must consist of 1 15 alphanumeric characters hyphen or underscore 3 2 3 Restore Factory Defaults This screen allows network managers to reset the device to the factory defaults shipped with the switch Restoring factory defaults results in erasing the configuration file The reset process takes about 30 seconds Don t operate or interrupt the switch during this time Mi vote System will prompt you to restart the switch All settings will return to their default values after reset You will need to use the factory default settings to re log in to the
7. E 4 5 Se TT 4 to PBYVGICAIIIE SCIPIO T 4 TA PACK AGS n os so nstauicavstanl a sand lauheudious sanslaulsaud band san eubsediontsanclauhsnndiaul con leuksrteuhiandinubsandiand 6 Chapter 2 Insta OR es n EE taneuanisounucaaienasauiraun rE EO E 7 EN lostallotion Res Tee 7 22 HEH e S T 7 Ds T SUL C one eO a E E E EEE EE E cetoetseaecbueneacceteie 8 Chapter 3 Conninuranon GUdE sesser mmm etnnn tre emnne TT rent meer nn en tomar terry mntr tient samirre tyne et Tren 10 3 1 Getting Started with Switch Management Interface sese esse eee eee 10 SALT System Ws UNM He BLU acter ergata alate ese oth dam esate E A 10 E 2 WV CO Ea Ml cere ceased EE A E TENNA E E E E E 10 3 1 3 Introduction to the Web Browser nterfaCe sssss sss 11 ys 2 CAA O a A E A A A 13 R 9 SUC E A E E E EAEE 13 K BA E e E E AEN EEN NA E OE E E E E 15 E B A LE ACEO D TT 15 KR IRS DOO TT 16 3 2 3 Firmware Upgrade secnsinsnincdinsnsdssteaanendieanananiaiaysanseteeicaiienavhaidinansbiateaaseebieaaiaardaaueiaddeaaelandeimshehieaevaasteanans 16 3 Port Manag emet ereire a o aO e a a a Eaa 18 3L Port Conn WE a Te seniorren aasa ai i r arena eko k aias a aa 18 ye Link A goreg Le aE R aaa EaR AROE 23 S 9 areca nae atone vas E N E N T at anabes seen E A EE A N E a 25 EFOD EC on ara ee E E E 26 A Po on O e E seeemouG wo acsoenuaianeseantosaetepeatonsusnecautuenes 26 ERT R aA CANE E A S 28 R a E a E E E AE EEE ET AEE EE E E PEE EE TE EEEE T EEE E E T 28 AMC a a E E E E E E 38 e
8. RJ45 ports 24 10 100Mbps and 2 10 100 1000Mbps ports with autosensing and auto negotiation capabilities 2 1000Mbps SFP fiber ports 2 Status LEDs Link Act1 24 24 10 100M port status LEDs PoE1 24 24 PoE status LEDs G1 G2 2 1000M Link Act port status LEDs Off when operating at 10 100M speed SFP1 SFP2 2 SFP fiber port LEDs Power 1 Power LED SYS 1 SYS LED PoE MAX PoE power usage threshold LED The following table describes the LED designations Proper connection to power supply POWER Improper connection to power supply ve Solid Off System is operating improperly Y Blinking System is operating properly O er Reaching max power budget and no more power oli available for another new PD PoE MAX Power available for additional PDs Blinking Packet transmission or reception is occurring on the port No link is established on the port The PoE powered device PD is connected and the port Link is established on the port Link Act1 24 PoE1 24 is supplying power successfully No PoE powered device PD connected www ip com com cn Green G1 G2 only Solid Link is established on the port G1 G2 lights up when a a Blinking Packet transmission or reception is occurring on the port operating at 1000M No link is established on the port ff Link is established or packet transmission is occurring on oli SFP1 SFP2 Green the port No link is established on the port 3 Reset Button The
9. RJ45 ports 25 26 are a part of the Gigabit combo SFP fiber copper ports where fiber ports always take priority over copper ports Priority 3 port priority levels are provided High Low and Make no change The default setting is Low For packets not carrying 802 1Q tag the switch uses port priority as 802 1p priority to look up in local priority mapping table and mark a local priority for it In case of congestions the switch forwards packets based on their priority levels Flow Control With flow control enabled on both the switch and its link partner the switch when encountering congestion will send flow control frames to notify the link partner of www ip com com cn such upon receiving such frames the link partner will temporarily stop sending packets to the switch thus avoiding packets drop and ensuring a reliable network Storm Control Enable disable the broadcast storm control feature or restrict the max number of broadcast packets transmitted and received on active port s With broadcast storm control enabled broadcast traffic exceeds the max value 2000pps system will drop the excessive frames to reduce the traffic into a restricted ratio thus effectively controlling various storms avoiding network congestion and ensuring a reliable network Address Learning Enable disable the MAC address learning feature on a port By default it is enabled Displays currently actual link rates and duplex modes on switch port
10. The switch generates traps and sends them to the trap recipient or network manager 2 SNMP Configuration To enter the screen below click Device Management gt SNMP Here you can enable disable the SNMP feature configure community name and access mode read or write g IP COM C Configuration Trap Configuration SNMP Disable gt oo public Read only S private Read amp Write Ei Note Here you can configure SNMP settings including community SNMP Enable disable the SNMP feature Community String Must be 1 15 characters except Y T gt and Chinese characters The default settings are public and private Access Mode Defines access rights of the community for MIB to access switch Fields on the screen are described below SNMP Enable disable the SNMP feature By default it is disabled Used to define the relationship between SNMP manager and SNMP Agent similarly to the function of a password granting the SNMP Community String manager access to SNMP Agent on the switch By default there are 2 community strings public and private Note Up to 15 characters are allowed for each community string Defines Read Write or Read Only right for MIB to access switch through Access Mode l community name www ip com com cn 3 Trap Configuration Click Device Management gt SNMP gt Trap Configuration to enter the screen below Here you can specify the destination IP address that tr
11. VLAN VLAN ID 2 Select member ports Available Port Member Ports Port2 Configuration Management Click E to move it to the Member Ports box 35 www ip com com cn VLAN Mode Toggle 802 1Q VLAN Port Properties Administration Add VLAN VLAN ID 2 o Select member ports Back Available Port Member Ports 5 Click OK and a screen below will appear VLAN Mode Toggle 802 10 VLAN Port Properties 1 1 26 Delete i 2 2 3 Administration To remove an existing 802 1Q VLAN To remove an existing 802 1Q VLAN simply click the Delete button next to the existing VLAN ID you wish to remove Note that the default VLANI cannot be deleted 802 1Q VLAN Port Properties To enter the screen below click Device Management gt VLAN gt Port Properties VLAN Mode Toggle 802 1Q VLAN Port Properties Select Port PVID Tag Processing Policy E PORT PVID Tag Processing Policy PORT PVID Tag Processing Policy 1 1 14 1 Administration ee ee ee ee ee ee ee ee 1 1 1 1 1 1 1 1 1 1 1 1 1 Port PVID A PVID directs packets without VLAN tags to a default VLAN PVID can be different for each port and must indicate an existing VLAN QVLAN configurations are as seen on the screen below there are currently two VLANs VLANI and VLAN2 36 www ip com com cn VLAN Mode Toggle 802 1Q VLAN Port Properties VLAN ID Port List 1 1 26 Delete 2 2 3 w VLAN Mode Toggle 802 1Q VLAN Port Properties S
12. ae Dt e A A E E A E E E A E E A E A E A E T 39 S T b E E EEE EN E EE E E E EE EE E 43 FLOMME O r ar r E E a E 46 De Dy NIV TTT 48 PO DEO OWN PAE EE E EET I E E EE ANE E ETE A E EEE EE 50 3 7 Configuration Management esse eee eee 51 Chapter 4 Usel Commands gis tscranencsdnysiadetsoransatiordabaiaerenoniaeiedadaveancitawsdadaleehapsedsoleisdalseanschdausdabbiaueasenaenisdalawnenabinensse 32 E N 7 Se e E E A E AEE 53 Appendix Regulatory Compliance Information sees eee ee ee eee 56 www ip com com cn Chapter 1 Introduction 1 1 Product Overview Thanks for purchasing this IP COM Switch F1226P The Switch is a state of the art high performance IEEE compliant network solution designed for communities businesses system integrators and ISPs who require a large number of ports and want the power of Gigabit connectivity to eliminate bottlenecks boost performance and increase productivity The switch comes with 24 10 100Mbps ports and 2 Gigabit combo SFP fiber copper ports where fiber ports always take priority over copper ports PoE optimizes the installation and management of network devices such as VoIP phones wireless APs and IP based surveillance cameras by requiring only a standard Cat 5 UTP cable to carry both power and data reducing installation time and cost The switch connects up to 24 IEEE 802 3af compliant devices 15 4W for each or up to 12 high power IEEE 802 3at compliant devices 30W for each Plus it also provides a com
13. as low will be disconnected to ensure port A power or in case of same port priorities power supply to the PD connected to the port with a large logic port number will be disconnected This field is available for configuration if Static Allocation is selected from the power management mode drop down list Static IEEE 802 3af Enter a valid power value between 0 15 4w If you enter a power value that Allocation is greater than 15 4w 15 4w will be applied automatically IEEE 802 3at Enter a valid power value between 0 30w If you enter a power value that is greater than 30 30w will be applied automatically Power Display actual output PoE power supplied by the port This is associated to the power Supplied consumed by the PD connected to the port Classification of PDs connected to the switch PD Class IEEE 802 3af compliant PDs are classified into classes of 0 1 2 and 3 IEEE 802 3at compliant PDs are classified into classes of 0 1 2 3 and 4 Mi vote 1 You must click OK to bring your configurations into effect each time you configure a port 2 You can view your configurations on this page 3 5 Device Management 3 5 1 VLAN 1 VLAN Overview A Virtual Local Area Network VLAN is a network topology which allows to logically instead of physically segment a LAN into several net segments A VLAN combines a group of hosts with a common set of requirements logically instead of physically relocating devices or connections In 1999
14. c 2013 by Shenzhen IP COM Technology Co Ltd All rights reserved www ip com com cn To configure link aggregation settings do as follows 1 Select an aggregation algorithm from the Aggregation Algorithm drop down list Available options include port number Source MAC Dest MAC and Source amp Dest MAC The default is Source amp Dest MAC 2 Select port numbers from Group Member 3 Select Enable from Link Aggregation drop down list box 4 Click Save to complete your configurations 4 Aggregation Algorithm Member ports in a link aggregation group share traffic load according to specified aggregation algorithms Member ports in a link aggregation group share traffic load according to the ae receiving port numbers Member ports in a link aggregation group share traffic load according to source MAC addresses G Member ports in a link aggregation group share traffic load according to destination MAC addresses Member ports in a link aggregation group share traffic load according to source SMAC amp DMAC and destination MAC addresses IMPORTANT Below ports cannot be aggregated Mirroring destination port Ports on which MAC address binding is enabled 3 4 PoE PoE Overview Power over Ethernet or PoE describes any of several standardized or ad hoc systems which pass electrical power along with data on Ethernet cabling This allows a single cable to provide both data connection and electrical power to de
15. l o l o Select the port to which port traffic is copied Destination Port Select a sniffer mode for a corresponding mirroring source port Important None Indicates corresponding port is not mirrored Sniffer Mode Ingress Only incoming packets are copied to the monitor port Egress Only outgoing packets are copied to the monitor port Egress amp Ingress Both inbound and outbound packets on the corresponding port are copied to the monitor port mirroring destination port Select the port from which the packets are mirrored IMPORTANT 1 A mirroring destination monitor port and mirroring source port should not be the same port 2 A portin an aggregation group should not be configured as a mirroring destination monitor port 3 A STP enabled port should not be configured as a mirroring destination monitor port 4 The bandwidth of the mirroring destination port should not be smaller than that of the mirroring source port s 5 A mirroring destination monitor port should be directly connected to a server that can monitor network traffic 3 Statistics Statistics displays the number of RX TX collision drop and CRC error frame on each port To enter statistics interface below click Port Management gt Statistics 21 www ip com com cn Port Configuration Port Mirroring Statistics Administration Port Statistics Port Configuration Link Aggregation PoE Management O 00 Gm Lm amp WD A
16. to enter the screen below VLAN Mode Toggle Port VLAN Administration Add VLAN VLAN ID 1 Select member ports Available Port Member Ports VLAN Mode Toggle Port VLAN Administration Add VLAN VLAN ID 1 Select member ports Available Port Member Ports Pont Port2 www ip com com cn 3 Click OK and you will see the screen below port 1 and port 2 are no longer included in VLAN1 VLAN Mode Toggle VLAN ID Port List 1 3 26 Delete Fa 1 2 Delete Administration ew piau To remove an existing VLAN To remove an existing VLAN simply click the Delete button next to the existing VLAN ID you wish to remove Note that the default Y LANT cannot be deleted By default all member ports will return to VLAN1 when an existing VLAN is deleted Important Up to 26 port VLANs can be configured Anew VLAN must include at least one member port A member port must belong to at least one VLAN A port that no longer belongs to any VLAN after the VLAN it belonged to is removed will automatically return to the default Y LANT Port based VLAN cannot implement inter switch isolation or provide segmentation services across different switches 7 802 1Q VLAN Configurations To enter the screen below click Device Management gt VLAN gt 802 1Q VLAN VLAN Mode Toggle 802 10 VLAN Port Properties VLAN Mode 802 10 VLAN OK Note All current and related settings will be cleared once VLAN mode is cha
17. 2 groups of Trunk paths Otherwise it may cause network loop broadcast storm and even collapse the whole network 4 The switch supports up to 3 aggregation groups which can only apply to ports 1 4 ports 5 8 and ports 25 26 Aggregation group and aggregation group 2 can include up to 4 member ports and a minimum of 2 member ports Aggregation group 3 can only include port 25 and port 26 Aggregation ports are not recommended for other configurations and use 3 Link Aggregation Configurations Click Port Management gt Link Aggregation to enter the screen below Link Aggregation SMAC amp DMAC Z Pilv P2 M PS iv P6 iv p25 Iv P26 M Note Aggregation Algorithm Switch determines which port in the aggregation group is to forward data through algorithm By H default the algorithm is based on source and destination MAC Save your settings before The switch supports up to 3 aggregation groups which can only apply to ports 1 4 aggregation group 1 ports 5 8 restarting the device aggregation group 2 and ports 25 26 aggregation group 3 Aggregation group1 and aggregation group 2 can include up to 4 member ports and a minimum of 2 member ports Aggregation group 3 can only include port 25 and port 26 To use aggregation group 3 you mustfirst enable and configure same settings on port 25 and port 26 Port 25 indicates G1 or SFP1 on switch s front panel while port 26 indicates G2 or SFP2 on switch s front panel Copyright
18. 54 www ip com com cn 4 Select Use the following IP address and configure as below IP address 192 168 0 x where x can be any number between 2 254 Subnet Mask 255 255 255 0 i Internet Protocol TCP IP Properties General TOU can get F settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IF address automatically Use the following IP address IF address 192 768 O 2 Subnet mask 255 258 75H U Default gateway 192 766 0 1 ver address automatically Use the following DNS server addresses Preferred DNS server 192 168 U Alternate ONS server 5 Click OK twice to exit 55 www ip com com cn Appendix Regulatory Compliance Information CE CE Mark Warning This is a Class B product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures This device complies with EU 1999 5 EC NOTE 1 The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment 2 To avoid unnecessary radiation interference it is recommended to use a shielded RJ45 cable KC FCC Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference an
19. A Oo You can select what type of data to count for example RX amp TX and system will count and display the number of packets received amp transmitted on each active port Click Refresh to display updated statistic data or click Clear to clear current statistic data Mi vote Counters will clear the current statistic data and restart counting if statistic mode is changed 4 Rate Limiting Rate limiting is used to control the rate of traffic sent or received on a network interface Traffic that is less than or equal to the specified rate is sent whereas traffic that exceeds the rate is dropped or delayed It effectively avoids excessive bandwidth utilization by some users so that other users can have a guaranteed share of the bandwidth to enjoy a smooth network It is useful for Internet caf s and community broadband environments Note that this feature is not applicable to the Gigabit ports 25 26 To enter the interface below click Port Management gt Rate Limit Unlimited Each port transmits and receives packets at an actual link speed Port Configuration Port Mirroring Rate Limit Select Port Tx Rate bps Rx Rate bps lt Make no change lt Make no change x oo Port Configuration enari Tx Rate kbps Rx Rate kbps Link Speed Tx Rate kbps Rx Rate kbps Link Speed Unlimited ss aan 14 e are PoE Management 15 16 if 100Mbps 4 2 3 4 5 6 T 8 100Mbps P www ip com c
20. IEEE released 802 1Q draft as a standardized VLAN implementation solution VLANs allow a network to be logically segmented into different broadcast domains All members in a VLAN are 28 www ip com com cn treated as in the same broadcast domain and communicate as if they were on the same net segment regardless of their physical locations Logically a VLAN can be equated to a broadcast domain because broadcast packets are forwarded to only members of the VLAN on which the broadcast was initiated Different VLANs cannot intercommunicate directly Inter VLAN communication can only be achieved using a router or other layer 3 devices that are able to perform Layer 3 forwarding 2 Benefits of VLANs Broadcast traffic and unicast traffic are confined to each VLAN reducing bandwidth utilization and improving network performance VLANs are used for multiple reasons Better management and control of broadcast activity VLANs conserve network resources by segmenting a large broadcast domain into several smaller broadcast domains or VLAN groups and restrict all broadcast traffic to the VLAN on which the broadcast was initiated Reduced cost The use of VLANs to create broadcast domains eliminates the need for routers to handle this function permitting operation at lower latencies and cost compared to routers under heavy load and at high cost Ease of network administration Members of a VLAN group can be geographically dispersed as they are logi
21. RESET button located on the front panel of the switch can be used to restore switch back to factory default settings Press and hold it for over 5 seconds and then release the SYS LED will first flash quickly for about 3 seconds and then regularly which indicates switch has restarted automatically with factory default settings Mi vote DO NOT press the RESET button unless you do want to delete current settings made on the switch and restore factory defaults Back Panel The back panel contains the following An AC power receptacle for accommodating the supplied power cord A grounding stud for lightning protection 100 240V 50 60Hz 6A Grounding Stud t AC Power Receptacle Figure 2 Back Panel 1 4 Package Contents Verify that the package contains the following 1 Switch 4 Rubber Footpads for tabletop installation 1 Power Cord Rack mount Kit for installing the switch in a 19 inch rack Install Guide If any item is missing or damaged contact the place of purchase immediately www ip com com cn Chapter 2 Installation 2 1 Installation Considerations To keep the switch in optimum working condition and prolong its life time follow instructions below Please keep the switch in a dry and well ventilated environment For desktop installations place the device on a flat table or shelf surface for rack mount installations use a 19 inch 48 3 centimeter EIA standard equipment rack t
22. al priority for it In case of congestions the switch forwards packets based on their priority levels Flow control regulates the rate of data transmission between two nodes to prevent a fast sender from outrunning a slow receiver so that the receiving node does not drop packets due to buffer overflow Broadcast storm control effectively prevents various broadcast storm avoiding network congestion and ensuring a reliable network With MAC address learning feature the switch identifies MAC addresses of NICs from all nodes and register them in its MAC address table so as to speed up forwarding frames by looking up destination MAC addresses of received frames in its MAC address table How you configure each port here will affect port mirroring port rate limit and aggregation features etc 1 Config Port Settings To enter the screen below click Port Management gt Port Configuration 18 www ip com com cn Port Configuration Port Mirroring Statistics Rate Limit Make no cha Z Make no cha Z Make no cha Z Make no cha Z Make no cha Z Make no cha lt Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Ena
23. all statements information and recommendations in this document do not constitute the warranty of any kind express or implied Technical Support Website http www ip com com cn Tel 86 755 2765 3089 Email info 1p com com cn www ip com com cn About This Manual This IP COM F1226P Manual describes how to install configure and operate the switch using its included web manager This book describes the software configuration procedures and explains the options available within those procedures and safety guidelines This document was created primarily for the system administrator who wishes to install and configure the F1226P in a network This user guide assumes that the reader has a general understanding of switch platforms and a basic knowledge of Ethernet and networking concepts Safety Guidelines Observe the following to avoid any potential harm caused from improper use For your safety DO NOT open the device s shell outer case whether it is working or not The device operates correctly only with a specified voltage range rating Keep the device away from strong current or lightning especially when connecting it to a power outlet using a power cord To avoid potential short circuit and malfunction DO NOT expose the device to humidity heat vibration or dust Operate it in a well ventilated working environment www ip com com cn Contents Chapter Todu Cn e a E 4 IRH Prodr ON CEVIOW ar E E S
24. an RJ45 port on the switch s front panel Figure 7 with an Ethernet cable IP COM Sere oses sere Sani Figure 7 Connect PC to Switch s RJ45 Port 3 Connect PDs Connect PDs PoE powered devices for example 802 3at 802 3af compliant AP IP telephone or IP camera to the switch Power is transmitted on conductors 1 2 3 and 6 Wireless AP IP Camera IP Telephone Figure 8 Connect PDs to Switch www ip com com cn Chapter 3 Configuration Guide 3 1 Getting Started with Switch Management Interface 3 1 1 System Requirements This Switch provides a built in browser interface that enables you to configure and manage it using a standard Web browser such as Microsoft Internet Explorer The following hardware and software facilities are required to run the applications described in this manual e Network facilities Ethernet network with or without DHCP server as appropriate Ethernet cable to connect the switch to a PC e For Web Management Browser Internet Explorer 8 0 Firefox 10 0 or higher PC at an IP address of 192 168 0 xxx Switch s default management IP is 192 168 0 1 and management VLAN is 1 which is unchangeable Installed NIC OS software Windows XP or higher version 3 1 2 Web Login For first time login to switch s web manager connect the switch only to a PC recommended instead of to other switches or routers to avoid possible IP conflic
25. an be defined by STP algorithm The path cost is 2000000 for a 10M net segment and 200000 for a 100M net segment Valid values range from O to 200000000 If O is entered system will automatically negotiate an optimum cost Display the role that a port plays in spanning tree Designated Backup ole Root State Display port status Blocking Disable Learning Forwarding Display port link status speed duplex mode Downlink Loopback Display Active when detecting loopback from downlinked devices KR 99 Status otherwise display 3 5 5 IGMP Snooping 1 IGMP Snooping Overview IGMP snooping is the process of listening to Internet Group Management Protocol IGMP network traffic IGMP snooping as implied by the name is a feature that allows a network switch to listen in on the IGMP conversation between hosts and routers 46 www ip com com cn Principle of IGMP snooping By listening to the conversations between hosts and routers the switch maintains a map of which links need which IP multicast streams Multicast streams may be filtered from the links which do not solicit them An IGMP Snooping disabled layer 2 device will flood multicast traffic to all the ports in a broadcast domain or the VLAN equivalent With IGMP snooping enabled known multicast traffic will be forwarded to hosts that have explicitly joined the group It provides switches with a mechanism to prune multicast traffic from links that do not
26. ap messages are to be sent SNMP Configuration Trap Configuration SNMP Trap Disable Trap Destination IP Fields on the screen are described below Trap is used to report urgent and important events for example a SNMP Trap l l og managed device is rebooted This option is disabled by default Enter a destination IP address to which switch s trap message is to be sent Trap message will not be sent if the Trap destination IP address is Trap Destination IP a a l invalid The trap destination IP address should only indicate a single host 3 6 Logout This section allows you to exit from the switch s web manager safely Microsoft Internet Explorer 50 www ip com com cn 3 7 Configuration Management Configurations on switch will be lost if they are not saved before switch reboots So do save them on this screen before you reboot the switch 1 Save current settings Use this feature to save device current configurations to ensure you will still have them on the switch even after device restarts Md vote It takes about 10 seconds to save device current configurations Do NOT operate or interrupt the switch during this period Otherwise parts of the configurations may be lost When the page refreshes the action of saving configurations is completed 2 Backup settings Once you have configured the device the way you want you can save all settings to your local hard drive which can later be
27. ards compatible with standard STP RSTP is typically able to respond to changes within 3 x Hello times default 3 times 2 seconds or within a few milliseconds of a physical link failure while STP can take 30 to 50 seconds to respond to a topology change RSTP delivers fast transition to forwarding status without relying on timer settings A RSTP bridge is responsive to other RSTP bridge s link status The port does not need to wait for the topology to become stable Edge port and P2P port are introduced to the protocol for faster transition Below explains what an Edge port and a P2P port is and does Edge Port The edge port is a configurable designation used for a port that is directly connected to a segment where a loop cannot be created An example would be a port connected directly to a single workstation Ports that are designated as edge ports transition to a forwarding state immediately without going through the listening and learning states An edge port loses its status if it receives a BPDU packet immediately becoming a normal spanning tree port P2P Port A P2P port is also capable of rapid transition P2P ports may be used to connect to other bridges Under RSTP MSTP all ports operating in full duplex mode are considered to be P2P ports unless manually overridden 43 www ip com com cn through configuration The three protocols are mutually compatible and no conflicts or network collapse will be caused in spanning tree applicat
28. autious To switch to 802 1Q VLAN Select 802 1Q VLAN and click OK The default VLAN mode is port based VLAN 30 www ip com com cn VLAN Mode Toggle Port VLAN Administration Note All current and related settings will be cleared once VLAN mode is changed Please be cautious 6 Port VLAN Configuration Here you can configure port VLAN settings A port can join multiple port VLANs Up to 26 VLANs can be configured In port VLAN mode click Device Management gt VLAN gt Port VLAN to enter the Port VLAN screen below VLAN Mode Toggle Port VLAN Administration VLAN ID Port List 1 1 26 Delete To add a port VLAN do as follows 1 Click New to enter the screen below Administration Add VLAN VLAN ID 2 26 Select member ports Available Port Member Ports 2 Specify a VLAN ID between 2 26 3 Select the ports you wish to add to the VLAN from Available Port box and click E to move them to the Member Ports box You can press the Ctrl key or Shift key on your keyboard to select multiple ports 31 www ip com com cn 4 Click OK and a screen similar to the below will appear VLAN Mode Toggle Port VLAN Administration VLAN ID Port List 1 4 26 Delete 2 1 2 Delete To change port VLAN members As seen on the screen above port and port 2 are also included in Y LANT To isolate them from other ports follow instructions below to remove them from VLAN 1 1 Click VLANI
29. ble Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Enable Enable Disable Enable Auto Enable Enable Disable Enable Auto Enable Enable Disable Enable Auto Enable Enable Disable Enable Auto w Enable Enable Disable Enable Auto i Enable Enable Disable Enable Auto Enable Enable Disable Enable Auto Enable Enable Disable Enable ES i n g x lt Note Seve your settings before restarting the device oon ook WN a Sl USI ugl ual iSl Gt To configure a port select a port number from the drop down list say 1 Fields on the screenshot above are described below Select a port number from the drop down list that you wish to configure State Enable Disable a port If disabled the corresponding port will be unavailable for use By default this field is Enabled Three types of modes are available on Ethernet ports Full duplex Ports operating in Full duplex mode can send and receive packets concurrently Half duplex Ports operating in Half duplex mode can either send or receive packets at a given time Auto Auto negotiation ports operating in Auto negotiation mode determine their duplex mode by auto negotiating with peer ports Speed Duplex By default Auto Auto negotiation is enabled Available options for RJ45 ports 1 24 include 10M half duplex 10M full duplex 100M full duplex and 100M half duplex Available options for RJ45 ports 25 26 include Auto auto negotiation and1000M full duplex
30. cally related instead of physically on the same VLAN Thus network administrators do not need to re config the network when a VLAN member changes its location For example in order to better collaborate with staffs from home or abroad on a special project a workgroup is indispensable Using VLAN all workstations and servers that a particular workgroup uses can be assigned to the same VLAN Tighter network security Different VLANs cannot intercommunicate directly Inter VLAN communication can only be achieved using a router or other layer 3 devices that are able to perform Layer 3 forwarding 3 VLAN Mode The switch provides 2 VLAN modes as below 802 1Q VLAN Mode IEEE 802 1Q is the networking standard that supports Virtual LANs VLANs on an Ethernet network The standard defines a system of VLAN tagging for Ethernet frames and the accompanying procedures to be used by bridges and switches in handling such frames Port based VLAN Mode The switch operates in this mode by default Port based VLANs limit traffic that flows into and out of switch ports Thus all devices connected to a port are members of the VLAN s the port belongs to whether there is a single computer directly connected to a switch or an entire department Members of the same VLAN can intercommunicate A user can belong to multiple VLANs simultaneously For example if you want both user A and user B to communicate with user C while user A and user B cannot intercommuni
31. cate simply put user A and user C to a VLAN and user B and user C to the other VLAN 29 www ip com com cn 4 802 1Q VLAN Tagged VLAN As defined in IEEE 802 1Q a four byte VLAN tag is inserted after the DA amp SA field to identify frames of different VLANS Insert a 4 byte VLAN tag 46 1500 Tag Protocol Info Tag Control Info TPID Priority CFI XD TPID The 16 bit TPID field with a value of 0x8100 indicates that the frame is VLAN tagged Priority The 3 bit priority field indicates the 802 1p priority of the frame CFI The 1 bit CFI field specifies whether the MAC addresses are encapsulated in the standard format A value of U indicates that MAC addresses are encapsulated in the standard format A value of 1 indicates that MAC addresses are encapsulated in a non standard format For Ethernet switches it is advisable to set this value to 0 VID The 12 bit VLAN ID field identifies the VLAN that the frame belongs to The VLAN ID range is 0 to 4095 Because 0 and 4095 are reserved a VLAN ID actually ranges from 1 to 4094 5 VLAN Mode Toggle You can toggle between port VLAN and 802 1Q VLAN Note that related settings like MAC address table entries will be removed when you change the VLAN mode To enter the screen below click Device Management gt VLAN gt VLAN Mode Toggle VLAN Mode Toggle VLAN Mode Pot VLAN nd Note All current and related settings will be cleared once VLAN mode is changed Please be c
32. cters hyphen or underscore Note Upgrade will erase the current firmware on switch Make sure you upgrade it with the latest firmware Password Enter your login password for firmware upgrade OK Click to confirm upgrade Cancel Click to cancel upgrade 16 www ip com com cn Microsoft Internet Explorer w ip com com cn to download latest firmware for better functionality or new features Please select a firmware file Browse Update http 192 168 0 1 Quit upgrade and return to Login Window Back Note You should select All files from the Files of type drop down list otherwise you may not find the file Browse Click to locate the upgrade file Upgrade Click to update the software Mi vote Software upgrade takes about 5 minutes Please wait for the process to complete and do not disconnect network and power connection during the process Upgrade takes several minutes Please walt for the process to complete and do not disconnect network and power connection or perform other actions during the process OF Go to www ip com com cn to download latest firmware for better functionality or new features Do not disconnect network and power connection during the process Firmware upgrade completed 2 EEEE Click OK on the window below to complete the process and system will return to management interface Upgrade is complete OK 17 www ip
33. d 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there 1s no guarantee that interference will not occur in 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 to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Caution Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment This transmitter must not be co located or operating in conjunction with any other antenna or transmitter The manufacturer is n
34. e you will need to manually enable the port on the port setup screen When enabled port in Discard status will enter Forwarding status and Wakeup Time Interval re detect network Fields displayed on the bridge status section are described below Bridge ID Displays the Bridge ID The bridge ID consists of priority and MAC Address of the bridge Mi sor If STP is disabled loopback detection and Auto Wakeup features will not take effect even when they are enabled If STP is enabled and loopback detection is disabled the Auto Wakeup feature will not take effect even when enabled 2 x Forward delay 1 lt Max Age gt 2 x Hello Time 1 45 www ip com com cn 4 STP Port Configurations Select a port number from corresponding drop down list and specify priority and path cost for it By default all ports priority values are set to 128 and path cost complies with 802 1T standard as seen below Global Settings Port Configuration 0 200000000 OK Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Note Save your settings before restarting tne device Fields on the screen are described below Select a port number from 1 26 Priority The priority of a port for differentiating ports with identical path cost The smaller the value the higher the priority Path Cost A configurable parameter that c
35. el of bandwidth and a certain maximum latency to function QoS is indispensable QoS can prevent critical traffic flow from being discarded or delayed on a congested and overloaded network thus ensuring a mix of real time interoperative and non real time non interoperative traffic without meltdown 2 Widely used priority types Port Priority The port priority is based on switch s physical ports To config it click Port Management Port Configuration Note that available values range from O to 7 It is used to determine the forwarding sequence of packets not carrying priority identifiers 802 1p Priority The 802 1p priority contained in the Ethernet header is used by QoS disciplines to differentiate traffic on layer 2 where analyzing IP header is not necessary 802 1p priority is available only in an IEEE 802 1Q tagged frame As seen below the 4 byte 802 1Q tag contains a 2 byte TPID Tag Protocol Identifier value 0x8100 and a 2 byte TCI Tag Control Information 802 10 taati Source header Destination a i LengthiType Data ress Address TPID B bytes byles 4 bytes 2 bytes 46 1500 bytes d bytes 802 1Qtagged Ethernet frame Below displays a detailed view of an 802 1Q tag 802 1p priority also known as class of service CoS is contained in the priority field of the TCI It is made up of 3 bits and with available values ranging from 0 to 7 39 www ip com com cn TPID Tag Protocol Identifier TCI Tag Control In
36. elect Port PVID Tag Processing Policy 2 ke oal 1 gt 1 1 1 14 1 15 1 16 1 ir 1 18 1 19 1 20 1 21 1 22 1 23 1 24 7 4 1 in oe hie 1 BIB 1 he 1 he 1 HB 1 BIB 1 BIB 1 BIB 1 f k i k k k k k k k k k 2 How port handles tag Ignore Packets are forwarded as they are For example if port 3 is configured to Ignore all tagged packets received on port 3 will be forwarded with tags and all untagged packets received on port 3 will be forwarded without tags Add Tag Add tag to egress packets For example if port 3 1s configured to Add Tag then all untagged packets received on port 3 will be tagged before they are forwarded Remove Tag Untag Remove tags from egress packets For example if port 3 1s configured to Remove Tag then all tagged packets received on port 3 will be removed untagged before they are forwarded IMPORTANT Up to 32 802 1Q VLANs can be configured 6 An 802 1Q VLAN can be empty include no ports All ports always belong to VLAN You can implement VLAN isolation using the QVLAN PVID Operating in 802 1Q VLAN mode MAC address learning is shared and a MAC address can only belong to one VLAN 802 1Q VLAN can implement inter switch isolation and provide segmentation services across different switches PVID is not affected by VLAN ID For example you can assign port 1 to VLAN 1 VLAN2 and VLAN3 but l www ip com com cn configure the port 1 s PVID to any ex
37. formation Hee COU 7654321076543210 76543210 76543210 802 1QTag The 802 1P priority tags are mapped to the Switch s priority queues as follows DSCP Priority The DSCP priority resides in the IP header The ToS field includes 8 bits among which The first 3 bits denotes the IP priority with available values ranging from 0 to 7 Bits 3 6 denotes the ToS priority with available values ranging from 0 to 15 The RFC 2474 redefined the IPv4 TOS field as the DS field The DSCP priority is denoted by the first 6 bits bits O 5 with available values ranging from 0 to 63 while the last 2 bits bits 6 7 are reserved Bits 01234567 Bts 01234567 DS Field poa ToS I for Pwd ToS byte ence emite octet and for IPvG_Traftic Class octet Class Selector Soda Ports Currently Unused Differentiated Services IP Type of Service ToS Codepoint DSCP RFC 797 RFC 2474 DS field and ToS byte The 802 1P priority tags are mapped to the switch s priority queues as follows DSCP Priority mis 3 Scheduling Scheme Overview QoS provides a queue scheduling policy to determine the packet forwarding sequence when congestion occurs The switch provides two common scheduling techniques to achieve Quality of Service QoS while using shared resources SP Strict Priority and WRR Weighted Round Robin Strict Priority Queuing 40 www ip com com cn Queue 7 High priority Packets to be sent through __thispo
38. hat is grounded and physically secure The rack mount kit supplied with the switch is also required Do not restrict airflow by covering or obstructing air inlets of the switch Keep more than 10 centimeters free on all sides for cooling Be sure there is adequate airflow in the room or wiring closet where the switch is installed Don t put heavy articles on the switch Verify there s more than 1 5 centimeters vertical distance free between devices that overlap each other Ensure operating power supply accords with rated input standard 2 2 Installing the Switch The switch can be installed on a flat surface or in a standard 19 inch rack 1 Installing the Switch on a Flat Surface The switch ships with four self adhesive rubber footpads Stick one rubber footpad on each of the four concave spaces on the bottom of the switch to cushion the switch against shock vibrations IP COM 2 A a Z MD C S E pane SS e ET oe Sy a L d kk i ae ee 2 21 a C3 C4 a a p Wp C9 mA C3 g ouo mee ee a B J Figure 3 Attach Footpads to Switch 2 Installing the Switch in a Rack To install the switch in a rack use the following procedure and refer to Figure 4 To perform this procedure you need the 19 inch rack mount kit supplied with switch s ee saat 7 SF SF ZZ F t ete T E CR CR CR C Ea C Ca C CH a 0 7 ee SAKA BERR ERRER Figu
39. ic is too great to be emptied within a short time WRR Queue 1 Weight 1 Packets to be sent through this port Queue 2 Weight 2 Sent packets K Interface I S Queue N 1 Weight N 1 7 C L l Queue Sending queue Packet gaia Scheduling classification Queue N Weight N Diagram for WRR Queuing WRR queue scheduling algorithm ensures every queue a guaranteed service time by taking turns to schedule all queues Assume there are 4 egress queues on the port The four weight values namely w3 w2 wl and w0 indicate the proportion of resources assigned to the four queues respectively On a 100M port if you set the weight 4 www ip com com cn values of WRR queue scheduling algorithm to 50 30 10 and 10 corresponding to w3 w2 wl and wU respectively Then the queue with the lowest priority can be ensured of at least 10 Mbps bandwidth thus avoiding the disadvantage of SP queue scheduling algorithm that packets in low priority queues may not be served during a long time Another advantage of WRR queue scheduling algorithm is that though the queues are scheduled in turn the service time for each queue is not fixed that is to say when a queue is emptied the next queue will be scheduled immediately Thus bandwidth resources are fully utilized 4 QoS Configurations Click Device Management gt QoS to enter the screen below Here you can select strict priority or FIFO first in first out When conf
40. ied to connected PDs and PD class If Dynamic Allocation is selected on the Global Settings screen the Static Allocation field on the Port Configuration screen will be unconfigurable if Static Allocation is selected the Priority on the Port Configuration screen will gray out and become unconfigurable Note that Port 25 and port 26 do not support PoE In static power allocation mode each PoE capable port is enabled with 802 3at PoE standard by default supplying 30w of power This 30w of power can only be supplied by the corresponding port to the connected PD and cannot be used by another port even though there is remaining power For example if the PD connected to the port only uses 10w the remaining 20w will be wasted instead of being used by another port We recommend dynamic power allocation and IEEE 802 3at PoE standard which is the default PoE standard Global Settings Port Configuration Select Port pat Status PoE Standard Select Priority Static Allocation lt Make no change Make no change M Make no change UK Port PoE Status PoE Standard Power Supplied w PD Class Static Allocation W AT ae ae Enable Low Enable AT Low Enable AT Low Enable AT Low Enable AT Low Enable AT Low Enable AT Low Enable AT Low Enable AT Low Enable AT Low Enable AT Low oon onrk Wr A HB HB 1 08 1 HB 1 HB HB 1 HB 1 HB 1 HB HB 1 08 1 HB 1 k i k O l select Port PoE status ea aana T Select Prior
41. iguring weight priority values note that the value indicated by High weight should not be smaller than that indicated by Low weight Values available for the weight rage from 1 to 7 Priority Mode FIFO First in First out x o Note This screen lets you specify a QoS mode The default is FIFO You can also change itto SP or WRR You may need to apply priority sheduling when a network becomes congested SP Strict Priority Por strictly prioritizes packets from higher priority queue over those from lower priority queue Namely only after packets in highest priority queue are emptied can packets in lower priority queue be forwarded WRR WRR queue scheduling algorithm ensures every queue a guaranteed service time by taking turns to schedule all queues Available options are 1 7 Note that low weight value should not be greater than high weight value WRR queue scheduling algorithm ensures every queue a guaranteed service time by taking turns to schedule all queues Click OK to complete the QoS configurations Click Port Management gt Port Configuration to enter the port Configuration screen select a port number and select High from the priority drop down list The selected port will then be in the high priority queue Rate Limit Select Po State Speed Duplex Flow Control Storm Control Address Learning Make no cha Make no cha Make no cha z Make no cha gt Make no cha Make no cha gt Lo Port Configura
42. imported to the device in case that it is restored to factory default settings To back up current settings click the Backup button Mi vote To backup current settings you must first click Save to save them Do NOT disconnect the device from power supply and the management PC during this process 3 Restore previous settings from local hard drive To restore settings that are previously saved on your local hard drive click the Browse button to locate and select the file and then click the Restore button Save Current Settings Click the Save button to save your current settings so that they will not be lost upon device restart Note Click Save to save the configurations This process lasts for about 10 seconds Do NOT operate or interrupt the switch during this period Otherwise parts of the configurations may be lost When the page refreshes the action of saving configurations is complete Backup Settings Click the Backup button to save all current settings to your PC Note To backup current configurations you must first click Save and then Backup Do NOT interrupt power and network connections of the switch during this period Restore Previous Settings You should select All files from the Files of type drop down list otherwise you may not find the file po Browse Copyright c 2073 by Shenzhen P COM Technology Co Lid All rights reserved www ip com com cn Chapter 4 Useful Commands
43. ing dynamic power assignment the amount of power a port supplies depends on the actual amount of power used by the connected PD ZETA Settings Port Configuration Power Management Mode Dynamic Allocation o Current Power Usage 0 0w PSE Temperature C 38 41 44 Note When assigning power manually you can define how much power a PD will get only to make sure thatthe power value you specify does not exceed the max power available for the selectedPoE standard When using dynamic power assignment the amount of power a port supplies depends on the actual amount of power used Noe by the connected PD Save your settings befora restarting the device Fields on the screen are described below Dynamic Allocation If the power supply is running at 99 usage ports prioritized as high are prioritized to receive power over ports prioritized as low Power Management Mode l l l l Static Allocation If the power supply is running at 99 usage and new PDs are connected priority is not taken in account and is not configurable plus no change is made on original power status Current Power Usage Displays the total amount of output power PSE Temperature Displays PoE module operating temperature 3 4 2 Port Configuration Click PoE Management gt Port Configuration and you can a Configure PoE status PoE standard priority and static power allocation 26 www ip com com cn b View the amount of power suppl
44. ion 3 STP Global Configurations Click Device Management gt STP gt Global Settings to enter the screen below where you can configure STP settings and enable disable loopback detection feature Global Settings Port Configuration Global Settings STP Version Disable o Priority 32768 Hello Time 2 1 10 s Max Age 20 6 40 s Forward Delay 15 4 30 s Note Max Age should meet below requirements Max Age 2 x Hello Time 1 Max Age lt 2 x Forward Delay 1 Enabling MAC address binding function will automatically disable address learning and RSTP STP packets forwarding on the port Loopback Detection Loopback Detection Disable gt Auto Wakeup Disable gt Wakeup Time Interval 10s Note If STP is disabled loopback detection and auto wakeup features will not take effect even when they are enabled If STP is enabled and loopback detection is disabled the Auto Wakeup feature will nottake effect even when enabled Specify Root Bridge Bridge ID 32766 00B80 4018 2600 Root Bridge ID Hello Time Wax Age Forward Delay Fields on the global setup section are described below Sri Select the desired version of STP version RSTP STP to eliminate loops on data link layer ersion The default RS TD mode is recommended By default this option is disabled Bias Bridge priority Select a bridge priority value from 0 61440 The smaller the number the rior
45. is receiving or expecting to receive multicast data from that multicast group and will reset the aging timer on the port If the port receives no IGMP membership report in response to the group specific query before its aging timer expires the switch considers that no hosts attached to the port are still members of that multicast group address and thus removes the multicast forwarding entry that the port corresponds to from the forwarding table when the aging timer expires 2 IGMP Snooping Configurations Click Device Management gt IGMP gt IGMP Snooping to enter the screen below To enable the IGMP Snooping feature simply select Enable and then click OK IGMP Snooping IGMP Snooping Disable Note This page allows you to configure switchs IGMP Snooping function IGMP Snooping is a multicast management scheme which works on layer 2 switch to manage and control multicast group Select from the drop down menu to enable or disable IGMP snooping 3 5 6 SNMP 1 SNMP Overview Simple Network Management Protocol SNMP is an OSI Layer 7 Application Layer designed specifically for managing and monitoring network devices SNMP enables network management stations to read and modify the settings of gateways routers switches and other network devices Use SNMP to configure system features for proper operation monitor performance and detect potential problems in the switch switch group or network SNMP using polling scheme is s
46. isting VLAN ID for example 4 however if the existing VLAN ID 4 is deleted port 1 s PVID will be reset to the default value of 1 3 5 2 MAC Binding When a unicast MAC address is bound to a specific port on the switch messages carrying this MAC as a source MAC address can only be received and forwarded by this bound port and will be directly dropped by other recipients messages carrying this MAC as a destination MAC address will only be forwarded by switch to the specific bound port A bound MAC address will not age out This feature is especially helpful to prevent any unauthorized access to your network Click Device Management gt MAC Binding to enter the screen below MAC Binding Disable Disable Disable Disable Disable Disable Disable Disable Disable Note Disable Save your settings before Disable restarting the device Disable Fields on the screen are described below Select Port Select a port number you wish to configure Static MAC Manually enter the MAC address unicast address only you wish to bind with the port Address on switch Each port can bind up to 3 addresses Enable disable MAC binding feature By default this feature is disabled Display current port s binding status enabled or disabled To enable port MAC binding feature do as follows 1 Select the port number you wish to bind say 1 2 Manually enter the MAC address unicast address only you wish to bind with the selected p
47. it higher the priority The Max Age may be set to ensure that old information does not endlessly circulate through redundant paths in the network preventing the effective propagation of the new information You may choose a time between 6 and 40 seconds www ip com com cn i Configure the Hello Time The Hello Time indicates the time interval in seconds a Hello time STP enabled port waits to send BPDU messages The Forward Delay Time is the amount of time in seconds a bridge remains in a listening Forward Delay l l l and learning state before forwarding packets Valid values range from 4 to 30 seconds Fields on the Loopback Detection section are described below With this feature enabled the switch will be able to detect loops from l downlinked devices and put the ports in a status of Active Loops are confirmed Loopback Detection l l l when the port receives BPDU messages it sent If no loop is detected port status will not be changed Enable disable it to allow disallow blocked ports to forward packets when loop disappears If enabled blocked ports will re enter Forward state meaning that such ports regain the ability to forward packets when the switch detects no Auto Wakeup current loop during a specified Wakeup Time Interval However 1f loop still exists then such blocked ports will remain in Blocked state meaning that they are still not able to forward packets If disabled when the port becomes Activ
48. ity aae Allocation Make no change Make no change Make no change B OK Port Pot Status PoE standard Power supplcatwi PD Class Priority Static Allocation I Enable AT Low 30 0 Enable Low Enable Low Enable Low Enable Low Enable Low Enable Low Enable Low Enable Low Enable Low Enable Low oon on ke WhO A k k k Figure 2 Fields on the screen are described below Select Port Select a port number you wish to configure Port numbers range from 1 to 24 Enable disable PoE If disabled the port will not supply power By default this option is enabled PoE Status The switch supports IEEE 802 3af and IEEE 802 3at PoE standards IEEE 802 3af The original IEEE 802 3af PoE standard provides up to 15 4 W of power to PoE Standard www ip com com cn each device and power levels of 0 1 2 and 3 IEEE 802 3at IEEE 802 3af Compatible with IEEE 802 3af the IEEE 802 3at PoE standard provides up to 30W of power to each device and power levels of 0 1 2 3 and 4 This field is available only if dynamic allocation is selected Options available include High Medium and Low If the power supply is running at 99 usage ports prioritized as high are prioritized to Priority receive power over ports prioritized as medium and or low For example If the power supply is running at 99 usage and port A prioritized as high connects a new PD power supply to the PD connected to the port prioritized
49. k Provide 3 groups of aggregation and 4 algorithms to Aggregation increase bandwidth and implement load balancing a Configure power management mode The default is Global Settings Dynamic Allocation b View Current Power Utilization and PSE PoE Temperature Management a Configure PoE status PoE standard priority and Port Configuration static power allocation b View the amount of power supplied to connected PDs and PD class VLAN Mode Change VLAN mode Toggle Port VLAN Display port VLAN configurations VLAN 802 1Q l l Display 802 1Q VLAN configurations VLAN Port Display and allow configuring PVID and tagging Device Management Properties settings on the port Configure MAC address binding feature Glopat Configure STP global settings enable disable STP STP oba STP version system priority Hello Time delay Max age Settings tme loopback detection settings enable disable 12 www ip com com cn loopback detection Auto Wakeup and Wakeup Time Interval Configure priority and path cost settings for each port Configuration Display port role and status in spanning tree IGSP Configure IGMP snooping settings SNMP Configure SNMP status community name and Configuration read write settings Enable disable Trap and configure Trap destination host Configuration IP address Configuration Save backup restore settings Management 3 2 Administration This secti
50. know immediately that the host has left the multicast group However as the aging timer on the member port that corresponds to the host expires the the switch immediately deletes its forwarding entry from the forwarding table When an IGMPv2 or IGMPv3 host leaves a multicast group it sends an IGMP leave message to the multicast router to inform of such leave When receiving an IGMP leave message from the last member port the switch forwards it through all router ports in the VLAN and resets the aging timer on the receiving port the port that received the IGMP leave message instead of immediately deleting its corresponding forwarding entry from the forwarding table as it cannot know whether there are still other members of that multicast group attached to such port After receiving the IGMP leave message from a host the IGMP querier resolves the multicast group address in the message and sends an IGMP group specific query to that multicast group through the port that received the leave message After receiving the IGMP group specific query the switch forwards it through all its router ports in the VLAN and all member ports for that multicast group 47 www ip com com cn The switch also performs the following actions on the port that received the IGMP leave message If the port receives any IGMP membership report in response to the group specific query before the aging timer expires the switch considers that some host attached to the port
51. nged Please be cautious MAC Qos STP IGSP SNMP Logout To add a QVLAN do as follows 1 Click New to enter below screen 33 www ip com com cn VLAN Mode Toggle 802 1Q VLAN Port Properties Administration VLAN ID Port List 1 1 26 Delete 802 1Q VLAN Administration Add VLAN VLAN ID 2 4094 Select member ports Available Port Member Ports 2 Specify a VLAN ID between 2 4094 3 Select the ports you wish to add to the VLAN from Available Port box and click E2222 to move them to the Member Ports box You can press the Ctrl key or Shift key on your keyboard to select multiple ports 4 Click OK and a screen similar to the below will appear VLAN Mode Toggle 802 10 VLAN Port Properties Administration VLAN ID Port List 1 1 26 Delete z 2 1 2 Delete To change 802 1Q VLAN member ports As seen on the screen above to change member ports of the 802 1Q VLAN 2 to port 2 and port 3 follow instructions below 1 Click VLAN2 to enter the screen below and select port 1 from the Member Ports box 34 www ip com com cn 3 4 802 1Q VLAN Administration Add VLAN VLAN ID 2 Select member ports Available Port Member Ports Port2 IGSP SNMP VLAN Mode Toggle 802 10 VLAN Port Properties Administration Add VLAN VLAN ID 2 Select member ports Available Port Member Ports Port2 Select port 3 from the Available Port box 802 10 VLAN Administration Add
52. ntirely as a single logical link port Member ports in an aggregation group share egress ingress traffic load delivering a bandwidth that is multiple of a single physical link Link aggregation provides redundancy in case one of the links fails thus reliability could be maintained For example if any port link within the aggregation group becomes disconnected packets intended for such port link will be redirected to the other linked ports of the link aggregation group 2 Port configuration considerations in link aggregation 1 To share egress ingress traffic load member ports in an aggregation group must be set to the same configurations with respect to STP QoS VLAN port attributes etc Consistent STP Configurations Includes state of port level STP enabled or disabled type of the link point to point or otherwise connected to the port STP cost STP priority loop root protection enabled or disabled and port type whether the port is an edge port etc Consistent QoS Configurations Includes rate limit DSCP 802 1p priority Consistent VLAN Configurations Includes VLANs permitted on the port and default VLAN ID on the port 2 When connecting switches using trunk feature ensure uplink ports of partner switch are in an identical Trunk group In other words inter switch multi port Trunk members uplink must be implemented using the Trunk to Trunk scheme 3 Never connect 2 Trunk groups of a switch or uplink 2 switches through
53. om cn Fields on the screen are described below a Select a port number from the drop down list Select a Tx Tranmit rate for a selected port Options available are 256k 512k 1M Tx Rate kbps 2M 4M 8M 10M 16M 32M 64M and 100M The default is which means the given port transmits packets at an actual link rate Select an Rx Receive rate for a selected port Options available are 256k 512k 1M Rx Rate kbps 2M 4M 8M 10M 16M 32M 64M and 100M The default is which means the given port receives packets at an actual link rate Port Configuration Port Mirroring Statistics Rate Limit Make no change Make no change Unlimited al 100Mbps an oom amp GUN Note Save your settings before rastarting the device 100Mbps Fields on the above page are described below Link Speed Displays link rate Mbps on each port Tx Rate kbps Displays maximum transmit rate Kbps on each port Rx Rate kbps Displays maximum receive rate Kbps on each port Mi vote The Tx Rx Transmit Receive rate should not exceed a given port s link rate and if it does system displays actual link rate only 3 3 2 Link Aggregation 1 Link Aggregation Overview Link aggregation groups multiple Ethernet ports together in parallel to act as a single logical link 23 www ip com com cn Aggregation enabled devices treat all physical links ports in an aggregation group e
54. on describes configuring and managing maintenance options in the switch as seen in the screenshot below System Info User Management Reboot Firmware Upgrade Firmware Version V1 6 Jun 14 2013 12 40 28 oox Hardware Version v1 0 MAC Address 00B0 4018 2600 Management VLAN 1 System Name F1226P DHCP Client Disable IP Address 192 168 0 55 Subnet Mask 255 255 255 0 Gateway MAC Age 300 60 3000 s Note If you are using a static IP you must also config a gateway IP address in order to manage the device from different net segments However if you are using a dynamic IP there is no such need Within specified range MAC aging can be made by multiplying 60 and Y where x must be an integer Copyright c 2013 by Shenzhen IP COM Technology Co Ltd All rights reserved 3 2 1 System Info The System Info screen contains parameters for configuring or displaying general device information as seen below 13 www ip com com cn User Management Reset Reboot Firmware Upgrade Firmware Version V1 6 Jun 14 2013 12 40 28 Hardware Version V1 0 MAC Address 00B0 4018 2600 Management VLAN 1 System Name F1226P DHCP Client Disable gt Note Save your settings before IP Address 192 168 0 55 restarting tne device Subnet Mask 255 255 255 0 Gateway MAC Age 60 3000 s Note If you are using a static IP you must also config a gateway IP address in order to manage the device from different net
55. ort say 00 BO 4C 00 00 01 3 Select Enable from the Binding drop down list 4 Click OK to complete your configurations Mi vote Ports that are enabled with MAC address binding will no longer be able to learn MAC addresses 38 www ip com com cn To disable MAC address binding feature do as follows 1 Select the port number that is already bound to a specific MAC address say 1 2 Select Disable from the Binding drop down list 3 Click OK to complete your configurations 3 5 3 QoS 1 QoS Overview Quality of service is the ability to provide different priority to different applications users or data flows or to guarantee a certain level of performance to a data flow For example a required bit rate delay jitter packet dropping probability and or bit error rate may be guaranteed Quality of service guarantees are important if the network capacity is insufficient especially for real time streaming multimedia applications such as voice over IP online games and IP TV since these often require fixed bit rate and are delay sensitive and in networks where the capacity is a limited resource for example in cellular data communication QoS addresses network latency and congestion issues Non critical elastic applications like web browsing or emailing do not rely on QoS as they function however much or little bandwidth is available However for critical inelastic services or applications that require a certain minimum lev
56. ot responsible for any radio or TV interference caused by unauthorized modifications to this equipment 56 www ip com com cn Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 20cm between the radiator amp your body NOTE 1 The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment 2 To avoid unnecessary radiation interference it is recommended to use a shielded RJ45 cable Disclaimer This equipment is an industry class product instead of an end user device It may cause harmful interference to radio communications If this equipment does cause harmful interference to radio communications which can be determined by turning the equipment off and on the user may need to take some measures to correct the interference 57
57. plete package of enterprise class features including VLAN 802 1Q VLAN QoS SNMP port mirroring and port aggregation STP PoE etc By default the F1226P distributes power dynamically and each PoE capable port supplies power at IEEE802 3at standard 1 2 Features Compliant with IEEE802 3 IEEE802 3u IEEE802 3ab IEEE802 3z IEE802 3af IEEE802 3at IEEE802 1Q TEEE802 1d IEEE802 1w IEEE802 3x 24 10 100Mbps and 2 10 100 1000Mbps ports with autosensing and auto negotiation capabilities auto negotiation on duplex mode and speed 2 Gigabit combo SFP fiber copper ports where fiber ports always take priority over copper ports Auto MDI MDIX on all ports IEEE 802 3x flow control in full duplex and backpress flow control in half duplex 4K MAC address table with auto learning and auto aging capabilities Web based management Support DHCP client VLAN QoS SNMP port mirroring port aggregation IGMP Snooping STP and PoE functions etc Internal high performance switching power supply Power input AC176 264V 50 60Hz 1 3 Physical Description Front Panel The front panel contains the following Power switch RJ45 ports www ip com com cn Status LEDs RESET button PoE MAX 24 10 100Mbps RJ45 Ports 2 1000Mbps SFP fiber ports i E L Soo OFF L Power switch 2 SFP LEDs RESET Button 2 10 100 1000Mbps auto negotiation RJ45 Ports x Power LED 2 1000M Link Act LEDs SYS LED Figure 1 Switch Front Panel 1
58. r Copyright c 2013 by Shenzhen IP COM Technology Co Ltd All rights reserved 3 1 3 Introduction to the Web Browser Interface This section introduces the Web browser interface that enables you to configure and manage your switch The Menus and submenus on the web browser interface are described below This section displays switch s system parameters some fields such as IP address subnet MAC age etc are System Info l l configurable The switch supports cross gateway Administration management This section allows you to change user name and User Management password Restore all settings back to factory defaults www ip com com cn Port Mirroring Aggregation enabled or STP enabled port cannot be Port configured as a mirroring destination port Management l l l Display the number of packets transmitted and received Statistics on corresponding ports Statistics info will be cleared automatically if statistic mode is changed Display and allow you to config port rate limit settings Force device to restart Configurations will be erased Reboot after Reboot So please do save them before you restart the switch Display and allow you to config basic port parameters Port such as link status speed duplex MAC address Configuration learning flow control enabled by default and broadcast storm control enabled by default etc Display and allow you to config port mirroring settings Lin
59. re 4 Attach Brackets to Switch 1 Make sure the 19 inch 48 3 centimeter EIA standard equipment rack is well grounded www ip com com cn 2 Attach the supplied mounting brackets to the side of the switch 3 Insert the screws provided in the rack mount kit through each bracket and into the bracket mounting holes in the switch 4 Align the mounting holes in the brackets with the holes in the rack 5 Tighten the screws with a screwdriver to secure each bracket IP COM U K FF oF 55 Ai ii E iz PTT tt aT i i s Q e797 FET FEFEFE or oe oe ee ee ae a D Ba n s Sears Figure 5 Install Switch in a 19 inch Rack AA Always install devices from the bottom of the rack to the top This will prevent the rack from over balancing and toppling over 2 3 Hardware Connection 1 Applying AC Power Make sure power source meets switch power specification AC 100 240V 50 60Hz 6A a Connect the female end of the supplied AC power adapter cable to the power receptacle on the back of the Switch b Connect the 3 pronged end of the AC power adapter cable to the 3 pronged AC source K aaah nea See ae aon Ge ci S fh 4486 A so ma 66 ST FETT F T C Wo oe oe oe a ee oe a eee Figure 6 Connect Switch to Power Source www ip com com cn 2 Connecting devices to the switch s RJ45 ports Connect each PC to
60. rt Queue 6 Sent packets l Interface X LULU UL E Joo 7 i Queue 1 J OC Packet Queue Sending queue classification scheduling Queue 0 Low priority Diagram for SP queuing Strict Priority Queuing is specially designed to meet the demands of critical services or applications Critical services or applications such as voice are delay sensitive and thus require to be dequeued and sent first before packets in other queues are dequeued on a congested network For example assume that 4 egress queues 3 2 1 and U with descending priority are configured on a port Then under SP algorithm the port strictly prioritizes packets from higher priority queue over those from lower priority queue Namely only after packets in highest priority queue are emptied can packets in lower priority queue be forwarded Thus High priority packets are always processed before those of less priority Medium priority packets are always processed before low priority packets The lowest priority queue would be serviced only when highest priority queues had no packets buffered Disadvantages of SP The SP queuing gives absolute priority to high priority packets over low priority traffic it should be used with care The moment a higher priority packet arrived in its queue however servicing of the lower priority packets would be interrupted in favor of the higher priority queue or packets will be dropped if the amount of high priority traff
61. s Mi vote To update port settings like speed duplex priority flow control enable disable a port broadcast storm control and MAC address learning first select a port and then click OK You can refresh the webpage to display updated settings on the port 2 Port Mirroring 1 Port Mirroring Overview Port mirroring is used on a network switch to send a copy of either inbound or outbound traffic or both on single or multiple mirroring source interfaces to a network monitoring connection on another mirroring destination port This is commonly used for network appliances that require monitoring of network traffic such as an intrusion detection system It can be used as a diagnostic tool as well as a debugging feature and also enables switch performance monitoring 2 Config Port Mirroring Click Port Management gt Port Configuration gt Port Mirroring to enter interface below Port Configuration Port Mirroring Statistics Rate Limit Mirroring Destination Port Sniffer Mode 20 www ip com com cn To configure port mirroring settings do as follows 1 Select a mirroring destination port only one 2 Select a mirroring source port you can select one or more mirroring source ports but only one mirroring destination port 3 Select a proper Sniffer Mode mirroring mode None Ingress Egress or Egress amp Ingress 4 Click OK to complete your settings Fields on the screen are described below Mirroring
62. sly transmit packets to one port the receiving port will forward packets according to traffic ratio of 7 1 3 5 4 STP 1 STP Overview The Spanning Tree Protocol STP is a network protocol that ensures a loop free topology for any bridged Ethernet local area network The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them On Ethernet only a single active path at a time can be maintained between any two network nodes to avoid broadcast storm However spare redundant links are indispensable to ensure reliability Spanning tree allows a network design to include spare redundant links to provide automatic backup paths if an active link fails without the danger of bridge loops and disable those that are not part of the spanning tree leaving a single active path between any two network nodes This is accomplished in the STP A STP enabled switch can perform the following teaks Discover and generate an optimum STP topology Discover and repair failures on the network automatically update the network topology for future use Local topology is generated by computing bridge configurations made by a network administrator Thus if configured properly an optimum topology tree can be generated 2 RSTP Overview RSTP provides significantly faster spanning tree convergence after a topology change introducing new convergence behaviors and bridge port roles to do this RSTP was designed to be backw
63. switch after restart Factory default settings IP address 192 168 0 1 User Name admin Password admin 15 www ip com com cn System Info User Management Reset Reboot Administration Restore to factory default settings Click the button below to reset the device Do NOT operate the device while resetis in process Please wait until it completes Reset Note The device will restart automatically with default settings after reset Settings including login password etc will all be reset to factory defaults So remember to use the default password for login 3 2 4 Reboot Here you can reboot the switch To reboot the switch click Reboot on the screen below Reboot Firmware Upgrade Administration Click the button below to force reboot Note Connection to switch will be cut while rebooting Reboot will lead to loss of configurations So if you want the device to continue working under such configurations do save them before restarting the device 3 2 5 Firmware Upgrade The switch software is upgradeable and enables your switch to take advantage of improvements and additional features as they become available The upgrade procedure assumes that you have downloaded or otherwise obtained the firmware upgrade and that you have it available on your computer System Info User Management Reset Reboot Firmware Upgrade Administration Firmware Upgrade Password EJ Must consist of 1 15 alphanumeric chara
64. t Default parameters preset on the switch are listed below Default IP 192 168 0 1 To log in to the switch s management interface with a manually configured IP address do as follows 1 Connect one RJ45 port on the switch to the PC s NIC port using an Ethernet cable 2 Connect the switch to a nearby power outlet 3 On your PC manually configure an IP address 192 168 0 X where X represents any number between 2 and 254 For TCP IP settings see Chapter 5 4 Run the Internet Explorer enter the IP address 192 168 0 1 and the Web manager s user authentication window pops up as seen below 10 www ip com com cn Username i i Enter admin in both the User Name field and the Password field and click Login This will open the Web based user interface as seen below System Info User Management Reset Reboot Firmware Upgrade System Info Firmware Version V1 6 Jun 14 2013 12 40 28 L Hardware Version V1 0 MAC Address 00B0 4C018 2600 Management VLAN 1 System Name F1226P DHCP Client Disable IP Address 192 168 0 55 Subnet Mask 255 255 255 0 Gateway MAC Age 60 3000 s Note If you are using a static IP you must also config a gateway IP address in order to manage the device from different net segments However if you are using a dynamic IP there is no such need Within specified range MAC aging can be made by multiplying 60 and x where x must be an intege
65. te and Time Display G Switch to Category View Options Remov Tools Updates amp w de PB d e Folder Options Fonts Game Intel R GMA Internet Keyboard gt Windows Update Controllers Driver Options LZ Help and Support vA B gt EN Rey EI s Network Network Setup Phone and Power Options Printersand RealtekHD Regional and Connections Wizard Modem Faxes Sound Eff Language See Also S 6 o F P d Scanners and Scheduled Security Sounds and Speech System Taskbar and Cameras Tasks Center Audio Devices Start Menu 53 www ip com com cn 3 Right click Local Area Connection click Properties select Internet Protocol TCP IP on the appearing window and then click Properties ocal Area Connection Connected Firewalled Disable Status Repair Bridge Connections Create Shortcut Rename Properties Local Area Connection Properties General Authentication Advanced Connect using EJ Realtek RTL8139 Family PCI Fast Ett This connection uses the following items S Client for Microsoft Networks File and Printer Sharing for Microsoft Networks JB 08 Packet Scheduler Install Uninstall vR Description Transmission Control Protocal lnternet Protocol The default Wide area network protocol that provides communication across diverse interconnected networks Show icon in notification area when connected Notify me when this connection has limited or no connectivity
66. tion r rE Port Link Status Speed Duplex Flow Control Storm Control Address Learning Low PoE Management Auto Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable 100M_FDX Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Auto Low Enable Enable Disable Enable Low Enable Enable Disable Enable Low Enable Enable Disable Enable Low Enable Enable Disable Enable Low Enable Enable Disable Enable Low Enable Enable Disable Enable Low Enable Enable Disable Enable Low Enable Enable Disable Enable Low Enable Enable Disable Enable Low Enable Enable Disable Enable Low Enable Enable Disable Enable 4 2 3 4 5 6 7 8 sa oe ee ee Se oOnN OOF WHY CO For example In Strict Priority QoS mode if you select high priority level for port and low for port2 and the 2 ports transmit packets concurrently to one port then the receiving port will first forward packets from port and 42 www ip com com cn then port2 Depending on configured priority levels packets from ports with lower priority level are always forwarded only after packets from ports with higher priority level have all been forwarded However in WRR QoS mode if you specify weight values High 7 Low 1 then when the 2 ports simultaneou
67. uitable for use in small sized network environment demanding high speed and low cost SNMP implemented through the connectionless UDP can seamlessly interoperate with multiple devices SNMP Work Mechanism The SNMP framework comprises NMS and Agent NMS Network Management Station NMS is a station that runs the SNMP client software to monitor and manage the SNMP capable devices in the network 48 www ip com com cn SNMP agent Works on a managed network device such a switch to receive and handle requests from the NMS and send traps to the NMS when some events occur Upon receiving GetRequest GetNextRequest and SetRequest packets from NMS the SNMP agent will perform Read or Write operations on managed objects depending on the type of packets received and generate Response packets to return to NMS 2 SNMP Version The switch supports SNMPv1 and SNMPv2c both of which use community names for authentication SNMP packets with community names that did not pass the authentication on the device will simply be discarded The SNMP community name defines the relationship between an SNMP NMS and an SNMP Agent A community name plays a similar role as a key password and can be used to regulate access from NMS to Agent Trap Traps are messages that alert network personnel of events that occur on the switch The events can be as serious as a reboot someone accidentally turned OFF the switch or less serious like a port status change
68. vices such as network hubs IP camera wireless AP and closed circuit TV cameras etc The IEEE standard for PoE requires category 5 cable or higher for high power levels but can operate with category 3 cable if less power is required The original IEEE 802 3af PoE standard provides up to 15 4 W of DC power to each device Only 12 95 W is assured to be available at the powered device as some power is dissipated in the cable The updated IEEE 802 3at PoE standard also known as PoE or PoE plus provides up to 25 5 W of power Power sourcing equipment Power sourcing equipment PSE is a device such as a switch that provides sources power on the Ethernet cable The maximum allowed continuous output power per cable in IEEE 802 3af is 15 40 W A later specification IEEE 25 www ip com com cn 802 3at offers 25 50 W Powered device A powered device PD is a device powered by a PSE and thus consumes energy Examples include wireless access points IP Phones and IP Cameras 3 4 1 Global Configuration Click PoE Management gt Global Settings to enter Global Settings screen and you can a Configure power management mode b View Current Power Utilization and PSE Temperature The default Power Management Mode is Dynamic Allocation When assigning power manually you can define how much power a PD will get only to make sure that the power value you specify does not exceed the max power available for the selected PoE standard When us

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