TL-SL3428_V3_User_Guide - TP-Link

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11.1.3 ARP ScanningARP (Address Resolution Protocol) is used to analyze and map IP addresses to the correspondingMAC addresses so that packets can be delivered to their destinations correctly. IP address is theaddress of the Host on Network layer. MAC address, the address of the Host on Data link layer, isnecessary for the packet to reach the very device. So the destination IP address carried in apacket need to be translated into the corresponding MAC address.ARP functions to translate the IP address into the corresponding MAC address and maintain anARP Table, where the latest used IP address-to-MAC address mapping entries are stored. Whenthe Host communicates with a strange Host, ARP works as the following figure shown.Figure 11-3 ARP Implementation Procedure(1) Suppose there are two hosts in the LAN: Host A and Host B. To send a packet to Host B,Host A checks its own ARP Table first to see if the ARP entry related to the IP address of HostB exists. If yes, Host A will directly send the packets to Host B. If the corresponding MACaddress is not found in the ARP Table, Host A will broadcast ARP request packet, whichcontains the IP address of Host B, the IP address of Host A, and the MAC address of Host A,in the LAN.(2) Since the ARP request packet is broadcasted, all hosts in the LAN can receive it. However,only the Host B recognizes and responds to the request. Host B sends back an ARP replypacket to Host A, with its MAC address carried in the packet.(3) Upon receiving the ARP reply packet, Host A adds the IP address and the correspondingMAC address of Host B to its ARP Table for the further packets forwarding.ARP Scanning function enables the switch to send the ARP request packets of the specified IPfield to the Hosts in the LAN or VLAN. Upon receiving the ARP reply packet, the switch can get theIP address, MAC address, VLAN and the connected port number of the Host by analyzing thepacket and bind them conveniently.Choose the menu Network Security→IP-MAC Binding→ARP Scanning to load the followingpage.141
Figure 11-4 ARP ScanningThe following entries are displayed on this screen:‣ Scanning OptionStart IP Address:End IP Address:VLAN ID:Scan:Specify the Start IP Address.Specify the End IP Address.Enter the VLAN ID. If blank, the switch will send the untaggedpackets for scanning.Click the Scan button to scan the Hosts in the LAN.‣ Scanning ResultSelect:Host Name:IP Address:MAC Address:VLAN ID:Port:Protect Type:Collision:Select the desired entry to be bound or deleted.Displays the Host Name here.Displays the IP Address of the Host.Displays the MAC Address of the Host.Displays the VLAN ID here.Displays the number of port connected to the Host.Displays the Protect Type of the entry.Displays the Collision status of the entry. Warning: Indicates that the collision may be caused by theMS<strong>TP</strong> function. Critical: Indicates that the entry has a collision with theother entries.11.1.4 DHCP SnoopingNowadays, the network is getting larger and more complicated. The amount of the PCs alwaysexceeds that of the assigned IP addresses. The wireless network and the laptops are widely usedand the locations of the PCs are always changed. Therefore, the corresponding IP address of thePC should be updated with a few configurations. DHCP(Dynamic Host Configuration Protocol, the142
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TL-SL342824-Port 10/100Mbps + 4-Por
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CONTENTSPackage Contents ..........
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7.4.2 TC Protect...................
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12.3.3 Alarm Config ...............
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Chapter 1 About this GuideThis User
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ChapterChapter 9 QoSChapter 10 ACLC
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Chapter 2 IntroductionThanks for ch
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Note:When using the SFP port with a
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Figure 3-3 Main Setup-MenuNote:Clic
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Indicates the 100Mbps port is at th
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Device Location:System Contact:Ente
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IP Address Mode:Management VLAN:IP
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Password:Confirm Password:Type a pa
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Figure 4-11 Firmware UpgradeNote:1.
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Figure 4-14 Access ControlThe follo
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Figure 4-15 SSL ConfigThe following
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‣ Key DownloadKey Type:Key File:D
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3. On the Web management page of th
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Chapter 5 SwitchingSwitching module
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Figure 5-2 Mirroring PortThe follow
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enabled, the outgoing packets sent
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Note:1. The Port Security function
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Figure 5-6 LAG TableThe following e
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Description:Give a description to t
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preferred one. If the two port prio
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automatically.Refresh Rate:Enter a
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Figure 5-12 Address TableThe follow
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Search Option:Select a Search Optio
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Select:MAC Address:VLAN ID:Port:Typ
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Chapter 6 VLANThe traditional Ether
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(2) TRUNK: The TRUNK port can be ad
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Figure 6-4 Create or Modify 802.1Q
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Link Type:PVID:LAG:VLAN:Select the
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6.2.1 Protocol VLANOn this page, yo
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Figure 6-9 Enable Protocol VLAN for
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6.4 Application Example for Protoco
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Hold Timer: When a GARP entity rece
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Fixed: In this mode, a port cannot
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• Port: Port 3 is the root port o
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Tips:In a STP with stable topology,
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Figure 7-3 Port rolesThe Spanning T
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that occur in a specific region bef
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Figure 7-6 Port ConfigThe following
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Figure 7-7 Region ConfigThe followi
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Figure 7-9 Instance Port ConfigThe
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A CIST and its secondary root bridg
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7.4.2 TC ProtectWhen TC Protect is
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• Configure Switch B:Step Operati
Page 97 and 98: ‣ Suggestion for Configuration•
Page 99 and 100: 1. Multicast IP Address:As specifie
Page 101 and 102: The host, running IGMPv1, does not
Page 103 and 104: Figure 8-5 Port ConfigThe following
Page 105 and 106: Select:VLAN ID:Router Port Time:Mem
Page 107 and 108: 5. After a multicast VLAN is create
Page 109 and 110: 8.2.1 Multicast IP TableOn this pag
Page 111 and 112: 8.3 Multicast FilterWhen IGMP Snoop
Page 113 and 114: Max Groups:LAG:Specify the maximum
Page 115 and 116: Chapter 9 QoSQoS (Quality of Servic
Page 117 and 118: Figure 9-4 SP-Mode2. WRR-Mode: Weig
Page 119 and 120: Note:To complete QoS function confi
Page 121 and 122: Priority Level:Indicates the priori
Page 123 and 124: 3 Map the DSCP priority to theprior
Page 125 and 126: Figure 9-11 Storm ControlThe follow
Page 127 and 128: Port Voice VLANModeAutomatic ModeMa
Page 129 and 130: The following entries are displayed
Page 131 and 132: Chapter 10 ACLACL (Access Control L
Page 133 and 134: End Time:Delete:Displays the end ti
Page 137 and 138: 10.2.5 Extend-IP ACLExtend-IP ACLs
Page 139 and 140: Operation:Click the Edit button to
Page 141 and 142: Index:Policy Name:Interface:Directi
Page 143 and 144: 3. The staff of the marketing depar
Page 145 and 146: Chapter 11 Network SecurityNetwork
Page 147: Figure 11-2 Manual BindingThe follo
Page 151 and 152: Figure 11-6 Interaction between a D
Page 153 and 154: Choose the menu Network Security→
Page 155 and 156: 11.2 ARP InspectionAccording to the
Page 157 and 158: Figure 11-11 ARP Attack - Cheating
Page 159 and 160: The IP-MAC Binding function allows
Page 163 and 164: DoS Attack TypeDescriptionScan SYNF
Page 165 and 166: supplicant system. Note that the cl
Page 167 and 168: In this mode, packet transmission i
Page 169 and 170: exchange information between the sw
Page 171 and 172: Authorized:LAG:Displays the authent
Page 173 and 174: Chapter 12 SNMP‣ SNMP OverviewSNM
Page 175 and 176: The User is configured in a SNMP Gr
Page 177 and 178: 12.1.3 SNMP GroupOn this page, you
Page 179 and 180: Figure 12-6 SNMP UserThe following
Page 181 and 182: ead-only: Management right of the C
Page 183 and 184: Figure 12-8 Notification ConfigThe
Page 185 and 186: The RMON Groups can be configured o
Page 187 and 188: Figure 12-11 Alarm ConfigThe follow
Page 189 and 190: Chapter 13 ClusterWith the developm
Page 193 and 194: Detail:Click the Detail button to v
Page 195 and 196: ‣ Device TableDevice Type:Device
Page 197 and 198: Port:NTDP:Displays the port number
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Cluster:Cluster Role:Displays the c
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Individual:Select this option to ch
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4 Configure the member switch On Cl
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Figure 14-1 CPU MonitorClick the Mo
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The Log function is implemented on
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Figure 14-5 Log HostThe following e
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Pair:Status:Length:Error:Displays t
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14.4.2 TracertTracert test function
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Figure 15-2 Open Hyper Terminal2) T
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Figure 15-6 bootUtil MenuAs the pro
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Appendix A: SpecificationsIEEE802.3
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Figure B-25) The following TCP/IP P
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Appendix C: 802.1X Client SoftwareI
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Figure C-5 Install the Program6. Th
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Figure C-8 Preparing Setup3. On the
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Auto reconnect after timeout: Selec
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Appendix D: GlossaryAccess Control
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Layer 2Data Link layer in the ISO 7
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