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TP-Link TL-SG3424P manual  Tlv

Models: TL-SG3424P

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or to allow the port to both transmit and receive LLDPDUs. Four LLDP admin statuses are supported by each port.

Tx&Rx: the port can both transmit and receive LLDPDUs.

Rx_Only: the port can receive LLDPDUs only.

Tx_Only: the port can transmit LLDPDUs only.

Disable: the port cannot transmit or receive LLDPDUs.

2)LLDPDU transmission mechanism

If the ports are working in TxRx or Tx mode, they will advertise local information by sending LLDPDUs periodically.

If there is a change in the local device, the change notification will be advertised. To prevent a series of successive LLDPDUs transmissions during a short period due to frequent changes in local device, a transmission delay timer is set by network management to ensure that there is a defined minimum time between successive LLDP frame transmissions.

If the LLDP admin status of the port is changed from Disable/Rx to TxRx/Tx, the Fast Start Mechanism will be active, the transmit interval turns to be 1 second, several LLDPDUs will be sent out, and then the transmit interval comes back to the regular interval.

3)LLDPDU receipt mechanism

When a port is working in TxRx or Rx mode, the device will check the validity of the received LLDPDUs and the attached TLVs, save this neighbor information to the local device and then set the aging time of this information according to the TTL value of TTL (Time To Live) TLV. Once the TTL is 0, this neighbor information will be aged out immediately.

The aging time of the local information in the neighbor device is determined by TTL. Hold Multiplier is a multiplier on the Transmit Interval that determines the actual TTL value used in an LLDPDU. TTL = Hold Multiplier * Transmit Interval.

TLV

TLV refers to Type/Length/Value and is contained in a LLDPDU. Type identifies what kind of information is being sent, Length indicates the length of information string in octets and Value is the actual information to be sent. The basic TLV Format is shown as follows:

Each TLV is identified by a unique TLV type value that indicates the particular kind of information contained in the TLV.

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TP-Link TL-SG3424P manual  Tlv

Contents

JetStream L2 Managed Switch REV3.0.0 1910011091Copyright & Trademarks FCC Statement Safety Information Contents Gvrp 101 142 NDP Ntdp Tracert 258 Package Contents Conventions About This GuideIntended Readers Overview of This GuideLogin to the Switch QoS Appendix a Specifications Overview of the Switch Main FeaturesIntroduction Appearance Description Front Panel LEDs Name Status IndicationRear Panel Rear PanelReturn to Contents Login to the Switch LoginConfiguration Return to Contents System Summary SystemSystem Info  Port StatusType  Port InfoPort Speed Bandwidth Utilization Device DescriptionSystem Time  Device DescriptionDaylight Saving Time Recurring Mode  DST ConfigPredefined Mode Date Mode IP Config System IP IPv6 features System IPv6 Introduction to IPv6 address Page Global unicast address Link-local addressAddress Resolution  IPv6 Neighbor DiscoveryNeighbor Reachability Detection Duplicate Address DetectionPage IPv6  Global Config Link-local Address Config Link-local AddressPrefix Length Enable globalGlobal Address PreferredUser Config User ManagementUser Table User Status User ID, Name, Access Level and status Operation User Info  User Table Config Restore Config RestoreConfig Backup System ToolsFirmware Upgrade  Config BackupSystem Reset Access SecuritySystem Reboot Access Control Access Control Config IP Address & MaskMAC Address  Access User Number SSL Config Session Config Number Control Admin Number Key Download SSH Config Certificate Download Key FileIdle Timeout ProtocolMax Connect Download  Configuration ProcedureKey Type  Network RequirementsApplication Example 2 for SSH Page Page Return to Contents Port SwitchingPort Config Port SelectSpeed and Duplex Port MirrorDescription Flow Control Mirror Group List  Mirroring Port  Mirror GroupNumber  Mirrored PortPort Security EgressMax Learned MAC Learn Mode Port Security Learned Num Port Isolation Config Port IsolationLoopback Detection  Port Isolation ListLAG LAG Table LAG Table LAG Table Static LAGHash Algorithm Group NumberLacp Config  LAG ConfigLAG will delete this LAG Lacp Config Following entries are displayed on this screen  Lacp ConfigTraffic Summary Admin KeyTraffic Monitor Port PriorityOctets Rx Packets RxPackets Tx Octets TxTraffic Statistics  Statistics PortStatistics of the corresponding port MAC Address Address Table  Search Option Address Table MAC Address Displays the MAC address learned by the switchStatic Address Displays the corresponding Vlan ID of the MAC addressDynamic Address  Static Address Table Aging Config Filtering Address  Dynamic Address TableBind  Create Filtering Address  Filtering Address TableReturn to Contents Vlan 802.1Q Vlan  Link Types of ports Pvid Vlan ID Select ： Vlan Config Vlan Table Select：Is valid or not  Vlan ConfigEnter the ID number of Vlan  Vlan Members Vlan Port Config Link TypeEgress Rule  Vlan of Port Required. On the VLAN→802.1Q VLAN→Port Config page, setRequired. On the VLAN→802.1Q VLAN→VLAN Config Vlan NameOptional. On the VLAN→802.1Q VLAN→VLAN Config MAC VlanProtocol Vlan  MAC Vlan TableMAC Select  Encapsulation Format of Ethernet Data 802.3 raw 802.2 LLC Snap Protocol Vlan packets are processed in the following way Protocol Group TableProtocol Group  Protocol Group Table Protocol Group Config Protocol Template Protocol Group Member Application Example for 802.1Q Vlan Required. On VLAN→802.1Q VLAN→VLAN Config page, create a  Network Diagram  Configuration ProcedureRequired. On VLAN→802.1Q Vlan →Port Config page, configure Operation DescriptionApplication Example for MAC Vlan Application Example for Protocol Vlan Vlan with its Vlan ID as 10, owning Port 12 and Port 13, Required. On Vlan →Protocol Vlan →Protocol Template On Vlan →Protocol Vlan →Protocol Group page, create protocol Gvrp Select Port Status Registration Mode GvrpConfiguration Procedure Spanning Tree  STP Elements STP Timers Hello Time  STP GenerationStep Operation Tips： Rstp Elements  Mstp Elements Port States  Port RolesSTP Config STP ConfigHello Time Forward DelayVersion Max AgeSTP Summary Port Config STP SummaryIntPath PriorityExtPath Edge PortRegion Config Mstp InstancePort Status Instance Config  Region Config Instance Table InstanceClear Instance Port Config  VLAN-Instance MappingInstance ID Path CostPort Role STP Security Port Protect Bpdu Filter  Port ProtectApplication Example for STP Function TC ProtectOn Spanning Tree→MSTP Instance→Region Config On Spanning Tree→STP Config→STP ConfigOn Spanning Tree→STP Config→Port Config On Spanning Tree→MSTP Instance→InstanceOn Spanning Tree→MSTP Instance→Region  Configure Switch D  Suggestion for Configuration Multicast  Multicast Overview IPv4 Multicast Address Multicast IP address range Description IPv6 Multicast Address 112 113 Igmp Snooping  Igmp Snooping Fundamentals Snooping Config  Igmp Snooping StatusDescription Displays Igmp Snooping status Member Leave Time Router Port TimeMember Port Time Static Router PortsSnooping→Snooping Config and Port Config Multicast→IGMP Snooping→VLAN ConfigMulticast→IGMP IP-Range Start Multicast IP Multicast VlanIP Range ID End Multicast IP Multicast Vlan On the Multicast→IGMP Snooping→Snooping Config VlanMulticast→IGMP Snooping→Multicast Vlan Static Multicast IP Snooping→Port ConfigSnooping→Snooping Config VLAN→802.1Q Vlan Static Multicast IP Table Packet Statistics Create Static Multicast Multicast IP Igmp Statistics MLD Snooping  MLD Snooping FundamentalsGlobal Config  MLD Snooping ProcessSuppression MLD SnoopingReport Message Unknown MulticastRequired. On the Multicast →MLD Snooping →Global Multicast VlanMulticast Vlan ID Required. On the Multicast →MLD Snooping →VLANNot be aged Enter the Vlan ID you want to configureRouter Port Aging Select Select the Vlan ID you want to changeDynamic Router Filter ConfigFilter Config Filter ID Ports ：Filter Mode Static MulticastFilter IDs Enter the Vlan ID Querier Config Static Multicast Config Multicast IP Enter the multicast IP address Member PortsQuery Interval Querier ConfigMaximum Response Query Source IPAuto Fresh Report Switch has received Received MLDv2Report Switch has received Received MLD Done Fresh PeriodMulticast IP Displays multicast IP address Multicast Table1 IPv4 Multicast Table Displays the Vlan ID of the multicast groupForward Ports 2 IPv6 Multicast TableMulticast IP Displays the multicast IP Type Displays the type of the group Priority Mode QoS QoS  Schedule Mode 802.1Q frameSP-Mode Port Priority  Port Priority ConfigDiffServ Displays the LAG number which the port belongs toRequired. On QoS→DiffServ→Port Priority Required. On QoS→DiffServ→Schedule ModeDscp Priority Required. On QoS→DiffServ→802.1P/CoS mapping Priority Level  Dscp Priority Config3 802.1P/CoS mapping Required. On QoS→DiffServ→DSCP PrioritySchedule Mode  Priority and CoS-mapping Config Schedule Mode Config Bandwidth Control Rate LimitIngress Rate bps  Rate Limit ConfigStorm Control Egress RatebpsMulticast Rate  Storm Control ConfigPort Broadcast Rate bps Bps Port Voice Vlan Mode Voice VlanNumber OUI Address Vendor  Security Mode of Voice Vlan Security Packet Type Processing ModeAging Time Voice Vlan Select Enable/Disable Voice Vlan functionEnter the Vlan ID of the voice Vlan OUI address is aging outPort Mode 13 Port ConfigOUI Config Required. On VLAN→802.1Q VLAN→Port Config Required. On VLAN→802.1Q VLAN→Port Config page, clickRequired. On QoS→Voice VLAN→Global Config  Composition PoE ConfigPoE  AdvantagePoE Config PoE Profile  Create PoE Profile PoE Time-RangeTime-Range Summary  PoE ProfilePoE Time-Range Create PoE Holiday Config Holiday Name Displays the name of the holiday Start Date ACL Time-RangeDetail Time-Range Create HolidayACL Config Holiday Config Holiday Table  Create ACL ACL SummaryACL Create Enter ACL ID of the ACL you want to createEtherType MAC ACLRule ID User Priority Create Standard-IP ACL Standard-IP ACLExtend-IP ACL Mask Create Extend-IP ACL IP ProtocolTCP Flag Policy Config Policy SummaryPolicy Create Action Create  Create Policy Create Action Policy Binding Binding Table Policy Bind Table Vlan Binding  Port-Bind ConfigPort Binding Direction Displays the binding directionEnter the ID of the Vlan you want to bind  VLAN-Bind ConfigApplication Example for ACL  VLAN-Bind TableOn ACL→ACL Config→ACL Create page, create ACL On ACL→ACL Config→Standard-IP ACL page, select ACL Network Security IP-MAC BindingIP Address SourceHost Name Protect TypeDisplays the Vlan ID here Manual BindingProtect Type Select the Protect Type for the entry Port Displays the number of port connected to the HostARP Scanning End IP Address Dhcp Snooping Scanning Option ScanNetwork diagram for DHCP-snooping implementation  Dhcp Working Principle Option Dhcp Cheating Attack Implementation Procedure  Dhcp Cheating Attack183 Decline Flow Control Customization Circuit ID Remote IDSelect Port Trusted Port MAC Verify Flow Control ARP Inspection  Imitating Gateway Cheating Gateway 10 ARP Attack Cheating Gateway  Cheating Terminal Hosts Man-In-The-Middle Attack  ARP Flooding Attack ARP Detect ARP Detect ARP Detect  Trusted PortARP Defend Required. On the Network Security→IP-MACNetwork Security→ARP Defend ARP Statistics ARP Defend Current SpeedDoS Defend  Illegal ARP PacketDoS Attack Type Description  Defend Table  Configure12.4 Defend Type Displays the Defend Type name Architecture of 802.1X Authentication  The Mechanism of an 802.1X Authentication System 802.1X Authentication Procedure 19 PAP Authentication Procedure  802.1X Timer  Guest VlanGuest Vlan Authentication Method802.1X Guest Vlan IDQuiet Period Supplicant TimeoutServer Timeout Retry TimesControl Type Control ModeRadius Server AuthorizedPrimary IP Authentication PortKey Modify Authentication KEY Secondary IPRequired. On the Network Security→802.1X→Port  Snmp Management Frame Snmp Snmp Overview  Snmp Versions Snmp Configuration Outline 1. Create View  MIB IntroductionSnmp Config  Local Engine Remote Engine View Type Snmp ViewMIB Object ID View Name Group Config Snmp GroupSnmp User  Group TablePrivacy Mode Auth ModeAuth Password User NamePrivacy Password  Community ConfigSnmp Community Access MIB ViewCommunity Name On the SNMP→SNMP Config→SNMP NotificationUDP Port IP ModeTimeout User Rmon Group Rmon Notification Table Rmon Group FunctionEvent Config History Control History Control Table Alarm Config  Event TableRising Threshold VariableSample Type Rising EventFalling When the sampled value is under the Falling Cluster  Cluster Role14.1 NDP Neighbor Info Introduction to Cluster NDP Summary  Neighbor Neighbor Info  Port Status Displays the port number of the switch NDPNDP Config EnableDetail ： Device Table DisableNtdp  Device TableHops Ntdp SummaryRole Neighbor InfoPort Displays the port number of the switch Ntdp Summary Following entries are displayed on this screenNtdp Port Delay Ntdp ConfigNtdp Hop Delay Ntdp Interval Time Global ClusterCluster Summary ClusterCluster Config  Global Config Cluster Current Role  Role Change14 Cluster Configuration for Individual Switch Application Example for Cluster FunctionOn Cluster→NTDP→NTDP Config page, enable  Network DiagramOn Cluster→NDP→NDP Config page, enable NDP On Cluster→Cluster→Cluster Config page, configureOn Cluster→Cluster→Member Config page, select Or On Cluster→Cluster→Cluster TopologyLldp  Lldpdu Format TLV TLV type TLV Name Description Usage Basic Management TLVOrganizationally Specific TLV TLV Type Description Port Description TLV Configuration/Status TLVPower Via MDI TLV System Capabilities TLVBasic Config Lldp Lldp Port Config Lldp Port ConfigDevice Info Local InfoDevice Statistics  Local Info Global Statistics Lldp Statistic InformationReceive Total ErrorsTransmit Total DiscardsTLV Type Function Location Identification TLV Extended Power-Via-MDI TLV LLDP-MED Parameters Config Inventory TLV LLDP-MED Port Config LLDP-MED Port ConfigurationEmergency  Included TLVs Location Identification Parameters Civic AddressLLDP-MED Local Information LLDP-MED Neighbor Information Maintenance System MonitorCPU Monitor 16.2 Log Memory MonitorLevel Description  Log Info ContentLog Table Module253 Remote Log  Local Log ConfigLocal Log Log BufferBackup Log  Log HostHost IP Cable Test Device DiagnosticsError PairNetwork Diagnostics  Ping ConfigPing  Tracert Config TracertTransmission Rate Appendix a SpecificationsStandards Transmission MediumOperating Environment Appendix B Configuring the PCs Figure B-1Figure B-3 263 264 Now Appendix C Load Software Using FTP Hardware InstallationConfigure the Hyper Terminal 267 Download Firmware via bootUtil menu Figure C-5 Port SettingsTP-LINK upgrade You can only use the port 1 to upgrade Are you sure to upgrade the firmwareY/N y270 Installation Guide Appendix D 802.1X Client Software272 273 Uninstall Software Figure D-7 InstallShield Wizard CompleteConfiguration Figure D-11 Uninstall Complete276 FAQ Figure D-16 Connection Status278 Appendix E Glossary Group Attribute Registration Protocol Garp Multicast SwitchingGeneric Multicast Registration Protocol Gmrp Ieee 802.1DLayer Port AuthenticationRemote Authentication Dial-in User Service Radius Link AggregationSimple Network Time Protocol Sntp Secure Shell SSHSimple Network Management Protocol Snmp Spanning Tree Algorithm STA