Network Links Advertisements, FieldDescription | D-Link DES-3326

DES-3326 Layer 3 Fast Ethernet Switch User’s Guide

FieldDescription

TOS	IP Type of	Service	that	this
	metric refers to.

Metric	The cost	of using		this
	outbound	router	link,	for
	traffic of the specified TOS.

Table 5-19. Routers Links Advertisement − Continued

Network Links Advertisements

Network links advertisements are Type 2 link state advertisements. A network links advertisement is originated for each transit network in the area. A transit network is a multi-access network that has more than one attached router. The network links advertisement is originated by the network’s Designated router. The advertisement describes all routers attached to the network, including the Designated Router itself. The advertisement’s Link State ID field lists the IP interface address of the Designated Router.

The distance form the network to all attached routers is zero, for all TOS. This is why the TOS and metric fields need not be specified in the network links advertisement.

The format of the Network Links Advertisement is shown below:

Network Link Advertisements

Link-State Age

Options2

Link-State ID

Advertising Router

Link-State Sequence Number

Link-State ChecksumLength

Network Mask

Attached Router

Figure 5-34. Network Link Advertisement

Field	Description

Network Mask	The IP address mask for the network.

Attached Router	The Router Ids of each of the routers attached to the
	network. Only those routers that are fully adjacent
	to the Designated Router (DR) are listed. The DR
	includes itself in this list.

	Table 5-20. Network Link Advertisement

83

Image 83

D-Link DES-3326 manual Network Links Advertisements, FieldDescription

Contents

DES-3326 Wichtige Sicherheitshinweise Software Hardware Copyright Statement Link Offices for Registration and Warranty ServiceTrademarks Vcci Warning Bsmi Warning FCC WarningCE Mark Warning Page Table of Contents Viii ARPPage Introduction Layer 3 Switching Layer 2 Features FeaturesPerformance Features Functions of a Layer 3 Switch Layer 3 Switch Features Management Traffic Classification and Prioritization Gigabit Ethernet Technology Optional Redundant Power SupplyFast Ethernet Technology Unpacking InstallationDesktop or Shelf Installation Installing rubber feet for desktop installation Rack Installation Power Failure Power on Rear Panel Front Panel 1000BASE-T Module Side PanelsOptional Plug-in Modules 1000BASE-LX Fiber Module 1000BASE-SX Fiber Module Gbic Two-Port Module LED Indicators Switch to Hub or Switch Switch to End Node 100BASE-TX Device 10BASE-T Device Local Console Management Diagnostic console port RS-232 DCE IP Addresses and Snmp Community Names Boot screen Traps Snmp performs the following functions AuthenticationTraps Packet Forwarding MIBs MAC Address Aging Time Some filtering is done automatically by the switchFiltering Spanning Tree Ameter Description Default Value Bridge Protocol Data Units Variable Description Default Value Port transitions from one state to another as follows Creating a Stable STP TopologySTP Port States STP Port State Transitions Feature Default Value Illustration of STP User-Changeable STA Parameters Link Aggregation This example, only the default STP values are used Link Aggregation Group Some relevant terms VLANsIeee 802.1Q VLANs 802.1Q Vlan Packet Forwarding Ieee 802.1Q Packet Forwarding 802.1Q Vlan Tags 10. Adding an Ieee 802.1Q Tag Port Vlan ID Ingress Filtering VLANs in Layer 2 Only ModeTagging and Untagging IP Addressing and Subnetting IP AddressesLayer 3-Based VLANs 255 Address Classes Calculating the Number of Subnets and Nodes Subnet Masking CID Classless InterDomain Routing Cidr Cidr Setting up IP Interfaces VID Internet Protocols 11. OSI Seven Layer Network Model Protocol Layering 12. The Protocol Stack Layer TCP/IP TCP Packet Headers 13. TCP Packet Header 14. IP Packet Header Ethernet UDP and Icmp TCP and UDP Well-Known Ports Mapping Domain Names to Addresses Domain Name System IP Routing Domain Name ResolutionDhcp Servers Packet Fragmentation and Reassembly Address Assignment MulticastingMulticast Groups Internet Group Management Protocol Igmp 11. Igmp Type Codes Igmp Versions 1 Multicast Spanning Trees Multicast Routing AlgorithmsFlooding Reverse Path Multicasting RPM Reverse Path Broadcasting RPB Distance Vector Multicast Routing Protocol Dvmrp Protocol-Independent Multicast Dense ModeMulticast Routing Protocols Routing Protocols RIP Version 1 Message Format 20. RIP v.1 Message Format RIP2 Message Format RIP 1 MessageRIP 1 Route Interpretation RIP Version 2 Extensions 21. RIP Message Format Open Shortest Path First Ospf Shortest Path Tree Link-State AlgorithmShortest Path Algorithm Ospf Cost 22. Constructing a Shortest Path Tree Link-State Packets Areas and Border Routers Backbone and Area Ospf AuthenticationSimple Password Authentication Message Digest Authentication MD-5 Neighbors Virtual LinksAreas Not Physically Connected to Area Partitioning the Backbone Building Adjacency AdjacenciesDesignated Router Election Ospf Packet Header Adjacencies on Point-to-Point InterfacesOspf Packet Formats Field Description Hello Packet 26. Hello Packet Database Description Packet Database Description Packet Link-State Request Packet Link-State Update Packet Link-State Acknowledgment Packet Link-State Update Packet Link State Advertisement Header Link-State Advertisement Formats Router Links Advertisements 33. Routers Links Advertisement 18. Routers Links Advertisements − FieldDescription Network Links Advertisements Summary Link Advertisements Summary Link Advertisements AS External Link Advertisements Autonomous Systems External Link Advertisements 21. AS External System Advertisement General Deployment Strategy Before You Start Defining Static Routes Vlan LayoutAssigning IP Interface Addresses and Subnet Masks to VLANs Console Usage Conventions Connecting to the SwitchFirst Time Connecting To The Switch Initial Console screen Creating User Accounts User Accounts Management Setup User Accounts Menu Root, User+ and Normal User Privileges Switch Privilege Configuration Management Root User+ Save Changes Confirmation screen Saving Changes Logging Onto The Switch Console Loading Factory Defaults To view the current user accounts To update or delete a user passwordUpdating or Deleting User Accounts Viewing Current User Accounts To delete a user account Deleting a User Account Switch Information Setting Up The SwitchBasic Setup To set the switch’s IP address Remote Management Setup Configuring the Switch’s IP Address To setup the switch for remote management Snmp Settings 100 Setting Up Trap Receivers 101 Configure PortsPort Locking Flow Control Serial Port SettingsView Ports 1 to 12 StateEnabled Speed/Duplex Auto Highlight Serial Port Settings and press Enter 103 Console SettingsSlip Settings Highlight Switch Settings on the Main Menu and press Enter Switch Operation ModeChanging the Switch Operation Mode To change the switch’s operating mode 105 19. Switch Settings menu 106 Menu Changes with Switch Operating Mode 107 Switch SettingsSwitch Mode Selection Remain idle. The Aging Time can be set to any value Layer 2 Switch Settings300 That is, how long a learned MAC Address is allowed to Switch Settings − Layer 3 IP Routing Protocol Settings 110 Screen Hierarchy 111 BOOTP/DHCP Relay DNS Relay To create a new 802.1Q Vlan Advanced SetupConfiguring VLANs VLANs by Switch Operating Mode 113 ActionVlan Name Membership 114 Tagging U/TTo set the 802.1Q Vlan membership status of a port To set a port as either a Tagged or an Untagged port 115 To configure the member ports of an 802.1Q VlanHighlight Configure 802.1Q Port Settings and press Enter Example Edit 802.1Q Vlan screen PVID# Configure PortModule From to 117 To configure a port’s 802.1Q Vlan settingsTo edit an existing 802.1Q Vlan 118 To edit the 802.1Q Vlan membership of a portTo edit a port’s Tagged or Untagged status 119 To setup IP Interfaces on the switch 120 Highlight Setup IP Interface and press Enter Layer 3 IP Networking 122 Setup Routing Information Protocol RIP 123 Password 124 Setup RIP ConfigurationKey ID Key 125 InterfaceName System 126 Setup Ospf Current Router Ospf Area SettingState Disabled Ospf Router Ospf Interface Configuration Hello Interval Entered in the MD5 Key Table Configuration menu. WhenArea ID Router Priority Neighbor Router ID Virtual Interface ConfigurationDescription Transit Area Network Area Aggregation ConfigurationStatus Network Number Route Redistribution Settings 133 Layer 2 Multicast SetupIgmp Snooping Settings Querier StateNon To configure Igmp SnoopingSwitch Igmp Snooping Ieee 802.1Q Multicast Forwarding 135 VIDMulticast MAC Address 136 Static Router Port SettingsRouter Port M Layer 3 Multicasting Setup IP MulticastMulticast Interface Configuration To setup IP multicasting on the switch 138 Igmp EnabledInterface Name Igmp Interface Configuration 140 Dvmrp 141 To configure Pimdm for an IP interface Interval To configure a port for port mirroringPort Mirroring Join/Prune 143 60. Mirroring Menu 144 Priority 145 MAC AddressPriority LevelLow Source/Destination Src 146 Layer 2 FilteringHighlight MAC Address Filter and press Enter 147 Layer 3 IP Routing FilteringParameter Description Source/Destination Source/Destination ForwardingLayer 2 Forwarding ActionAdd/Modify 149 Port Gateway IP Static/Default RoutesIP Forwarding Action Add Interface Name IP Address MAC Address Switch Spanning Tree SettingsStatic ARP Add/Modify Max. Age Status EnabledGroup Default Forward Delay 153 STP Group Configuration Priority Configure PortsView Ports Port Cost 155 75. Link Aggregation screen Group Width Configure Spanning TreeMethod Disabled Group ID 157 Max Age Hello Time Forward DelaySTP Group 158 Spanning Tree Port SettingsCreate Spanning Tree Groups Group Name 159 Layer 2 Switch UtilitiesUtilities From 1 to 160 Upgrade Firmware from Tftp Server 161 Use Configuration File on Tftp ServerSave Settings to Tftp Server 162 Testing Connectivity with PingSave History Log to Tftp Server Layer 3 Utilities Relay Time Threshold0 BOOTP/DHCP RelayRelay Status Disabled Bootp Hops Count Limit 164 DNS RelayServer 165 Dnsr Cache StatusDisabledDnsr Static Table Lookup StatusDisabled To make a static DNS table entry 166 StatusEnabledActionAdd/Edit Domain Name 167 To display the network data compiled by the switchNetwork Monitoring Layer 2 Network Monitoring To view the port utilization Port Utilization 169 Port Error PacketsTo view the error statistics for a port Port Packet Analysis Multicast RX FramesFrames/sec Unicast RX To view the Gvrp status table Browse MAC AddressTo view the MAC address forwarding table To search for a particular MAC address 173 Browse Router PortTo view the Router Port table 174 Igmp SnoopingTo view the Igmp Snooping table To view the Network Monitoring Menu Switch HistoryTo view the switch history log Layer 3 Network Monitoring To view the IP address forwarding table To view the contents of the IP Routing tableBrowse IP Address Routing Table Hops ARP TableMask Gateway To view the Monitor Lsdb Table Default IP TableTo view the Default IP Address Table Ospf Lsdb Table 179 Cost Ospf External Lsdb Table To view the Igmp Group table IP Multicast Forwarding TableIgmp Group Table To view the IP multicast forwarding table 182 Load Factory DefaultsDvmrp Routing Table To view the Dvmrp Routing table 183 RebootTo reboot the switch from the console 184 111. System Reboot Confirmation screen 185 IntroductionBefore You Start General Deployment Strategy 186 Vlan LayoutAssigning IP Network Addresses and Subnet Masks to VLANs Defining Static Routes Configuring the SwitchGetting Started Management 188 Switch Configuration Privilege Management Root User+ 189 Reboot and Load Factory DefaultsSaving Changes IP address may alternatively be set manually as follows Setting Up Web ManagementSetting an IP Address Setting a Default Gateway Starting and Stopping the Web-based Manager Setting the Administrator PasswordSetting Trap Destinations Saving Configuration Changes 192 Web-based Manager’s User InterfaceAreas of the User Interface 193 Area Function 194 Link Menus 195 LinkMenus 196 BOOTP/DHCP Relay DNS Relay 197 IP Address Configuring the Switch’s IP AddressClick the Switch Information link in the Configuration menu 198 10. IP Address window Management VID Default GatewayManual Subnet Mask 200 11. Management Station IP Settings window 201 Click the Configure Ports link on the Configuration menu 202 203 Baud RateData Bits Stop Bits 204 Local IP AddressRemote IP Address 205 Storm ModeMAC Address Aging Time 10 …1000000 sec Broadcast/Multicas 206 Upper Threshold forBase ports Module ports 207 208 18 .1Q Static VLANs window 209 TagEgress Forbidden 210 Pvid 211 To configure the member ports of an 802.1Q Vlan to use Gvrp 212 To configure the member ports of an 802.1Q Vlan to use Gmrp 213 214 25. Setup IP Interface window 215 Setup the Routing Information Protocol RIPSubnet Name Active Yes 216 29. Setup RIP window 217 Ospf 218 AS Border Router State 219 Stub Default CostType Remove 220 Auth Type 221 Neighbor Router 222 Network Number 223 Source ProtocolDest. Protocol 224 To edit the IEEE802.1 Multicast Forwarding settings 225 39. Setup Ieee 802.1Q Multicast Forwarding window 226 To setup a static router port 227 42. Multicast Interface Configuration window 228 Igmp SettingsVersion Max Resp 229 Dvmrp SettingsTo configure Dvmrp for an IP interface Click the Dvmrp Settings link on the IP Multicasting menu Route Cost PIM-DM SettingsNbr Report Timer Click the Pimdm Interface Configuration link 231 232 Source PortDirection Ingress 233 To configure a forwarding priority for a given MAC addressLevel Low State Src 234 To enter a MAC address into the filtering tableState Scr 235 To enter a MAC address into the switch’s forwarding tableForwarding Layer 2 Forwarding 236 51. Setup Static Unicast MAC Forwarding window 237 Gateway IPTo make a static ARP entry 238 STP Switch Settings Configure STP Groups 240 To view the STP Port Settings table 241 To configure a link aggregation groupClick the Link Aggregation link on the Configuration menu 242 State DisabledMaster Port Members Select Upgrade Firmware from Server on the Maintenance menu Update Firmware from ServerUse Configuration File on Server To update the switch’s firmware Save History Log to Server Save Settings To ServerTo upload a settings file to the Tftp server To enable and configure Bootp or Dhcp on the switch 245 To configure the BOOTP/DHCP Relay interfaceCount Limit Relay Time Threshold Secondary Name DNS Relay Static Table Lookup Status DisabledDNS Relay State Primary Name Above Port Utilization Port ErrorAddress The IP address of the domain name 0.0 248 Address TableApplications 249 Port Error StatisticsUpdate Undersize Update IntervalCRC Error RX Frames 251 72. Port Packet Analysis window Browse MAC Address Sequentially 253 To view the Gmrp Status table 254 Click the Browse Router Port link on the Applications menu 255 Click the Switch History link on the Applications menu 256 Browse the Routing Table 257 Default IP Address TableAddress Mask Jump 258 Ospf Link State Database Table 259 Router ID Lsdb TypeLink State ID 260 83. Ospf External Lsdb Table window 261 Click the Igmp Group Table link 262 Technical Specifications 263 Physical and Environmental 264 Commands 265 266 Runtime Switching Software Default Settings 267 Blocking StatePort in the blocking state does the following 268 Listening StatePort in the listening state does the following 269 Learning StatePort in the learning state does the following 270 Forwarding StatePort in the forwarding state does the following 271 Disabled StateDisabled port does the following 272 Troubleshooting STPSpanning Tree Protocol Failure 273 Full/Half Duplex Mismatch 274 Unidirectional Link Identifying a Data Loop Resource ErrorsKnow where the root is located Packet Corruption 276 Know which links are redundantMinimize the number of ports in the blocking state 277 Impact of Layer 3 Switching 278 Brief Review of Bitwise Logical Operations Index Vlan Offices Norway Link Norway Registration Card