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D-Link DES-3326S manual Xii

Models: DES-3326S

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Troubleshooting Specification Install Password Feature Default Value Switch LED Indicators Admin and User Privileges Connecting Switch Configuring the Switch Factory Reset

Page 12

Identifying a Data Loop	335
Avoiding Trouble	335
Brief Review of Bitwise Logical Operations	342
Index	344

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D-Link DES-3326S manual Xii

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Contents

DES-3326S Wichtige Sicherheitshinweise Page Warranties Exclusive Hardware Software Page Link Offices for Registration and Warranty Service TrademarksCopyright Statement FCC Warning CE Mark WarningVcci Warning Bsmi Warning Viii Table of Contents Snmp Using WEB-BASED Management Xii Layer 3 Switching Introduction Introduction Functions of a Layer 3 Switch Features Performance FeaturesLayer 2 Features Ports DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Layer 3 Switch Features Traffic Classification and Prioritization Management Supports Web-based management Switch Stacking Fast Ethernet Technology Gigabit Ethernet Technology Unpacking and Setup Unpacking Installation Desktop or Shelf Installation Rack Installation Installing rubber feet for desktop installation Power on 2B. Installing the switch on an equipment rack Power Failure Identifying External Components Front Panel Rear panel view of the Switch Rear Panel Side Panels Optional Plug-in Modules 100BASE-FX Fiber Module 2Km/15Km 1000BASE-T Module 1000BASE-SX Fiber Module 62.5 ∝m 1000BASE-LX Fiber Module BASE-LX two-port module Gbic Two-Port Module Stacking Module with Gbic Port Gbic Port Stacking Port 11. Up to 6 Switches in a Switch Stack Switch LED Indicators Stacking Module LED Indicators 13. Stacking Module LED Indicators Connecting Switch Switch to End Node Switch to Hub or Switch Switch connected to an End Node Switch Stack Connections Switch Stack connections between optional stacking Modules 10BASE-T Device 100BASE-TX Device Switch Management Operating Concepts Local Console Management Diagnostic console port RS-232 DCE Managing Switch Stacks Determining the Switch Stack Order Switch Stack Order − First 001122334450 2original Master Switch IP Address Console Boot Screen Setting an IP Address Traps Switch Management and Operating Concepts Snmp Snmp performs the following functions Authentication Traps DES-3326S Layer 3 Fast Ethernet Switch User’s Guide MIBs Link Change Event This trap is sent Packet Forwarding Filtering MAC Address Aging Time Some filtering is done automatically by the switch Parameter Description Default Value Spanning Tree Variable Description Default Value Bridge Protocol Data Units Creating a Stable STP Topology STP Port States Port transitions from one state to another as follows STP Port State Transitions Feature Default Value User-Changeable STA Parameters DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Illustration of STP Before Applying the STA Rules After Applying the STA Rules Link Aggregation Link Aggregation Group Defaultvlan VLANs Ieee 802.1Q VLANs 802.1Q Vlan Packet ForwardingSome relevant terms 802.1Q Vlan Tags Ieee 802.1Q Packet Forwarding Ieee 802.1Q Tag Port Vlan ID Adding an Ieee 802.1Q Tag Switch Management and Operating Concepts Tagging and Untagging Ingress Filtering VLANs in Layer 2 Only Mode Layer 3-Based VLANs IP Addressing and SubnettingDefinitions IP Addresses 255 Binary to Decimal Conversion Address Classes Subnet Masking Calculating the Number of Subnets and Nodes Classless InterDomain Routing Cidr Class a Subnet Masks Setting up IP Interfaces 10. Class B Subnet Masks 12. Vlan Example Assigned Ports Internet Protocols Protocol Layering OSI Seven Layer Network Model Protocol Stack Layer Layer TCP/IP DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Packet Headers TCP 10. TCP Packet Header Switch Management and Operating Concepts Ethernet 100 12. Ethernet Packet Header 101 TCP and UDP Well-Known Ports 102 UDP and Icmp 103 13. Ethernet Packet Header 104 Domain Name Resolution Domain Name SystemMapping Domain Names to Addresses 105 Dhcp Servers 106 IP Routing 107 Packet Fragmentation and Reassembly 108 ARP 109 Multicasting Multicast Groups110 Address Assignment 111 Internet Group Management Protocol Igmp 112 Igmp Versions 1 113 14. Igmp Type Codes 114 Multicast Routing Algorithms 115 Flooding Multicast Spanning Trees116 Reverse Path Broadcasting RPB 117 Reverse Path Multicasting RPM 118 Multicast Routing Protocols Distance Vector Multicast Routing Protocol Dvmrp119 Protocol-Independent Multicast Dense Mode Routing ProtocolsRouting Information Protocol RIP 120 121 RIP Version 1 Message Format 122 17. RIP v.1 Message Format 123 RIP 1 Message 124 RIP 1 Route Interpretation RIP Version 2 ExtensionsRIP2 Message Format 125 Open Shortest Path First Ospf 126 Link-State Algorithm 127 Shortest Path Algorithm 128 Ospf Cost Shortest Path Tree129 19. Constructing a Shortest Path Tree 130 20. Constructing a Shortest Path Tree 131 Areas and Border Routers 132 Link-State Packets 133 134 Ospf Authentication Simple Password AuthenticationMessage Digest Authentication MD-5 Backbone and Area Virtual Links Areas Not Physically Connected to AreaPartitioning the Backbone 136 Neighbors 137 Adjacencies Designated Router ElectionBuilding Adjacency 138 139 Adjacencies on Point-to-Point Interfaces Ospf Packet Formats140 Ospf Packet Header Field Description141 142 Hello Packet 143 Hello Packet 144 BDR 145 Database Description Packet 146 18. Database Description Packet 147 Link-State Request Packet 148 Link-State Update Packet 149 Link-State Acknowledgment Packet 150 Link-State Advertisement Formats 151 Link State Advertisement Header 152 Link-State Advertisement Header 153 154 Router Links Advertisements 155 Routers Links Advertisements 156 FieldDescription 157 158 159 Network Links Advertisements 160 Network Link Advertisements 161 Summary Link Advertisements 162 31. Summary Link Advertisement 163 Autonomous Systems External Link Advertisements 164 AS External Link Advertisements 165 166 Introduction 167 Before You Start General Deployment Strategy168 Vlan Layout 169 Assigning IP Network Addresses and Subnet Masks to VLANs 170 That opens, click on the Login to DES-3326S Manager button Getting StartedManagement Defining Static Routes Configuring the Switch User Accounts Management172 User Accounts Control Table 173 Admin and User Privileges 174 Configuration Mana Gement Admin User Saving Changes175 Save Changes Screen 176 Factory Reset 177 Setting Up Web Management 178 Ipaddress xxx.xxx.xxx.xxx/yyy.yyy.yyy.yyy 179 Saving Configuration Changes 180 Starting and Stopping the Web-based Manager 181 Web-based Manager’s User Interface 182 Areas of the User Interface 183 Area Function 184 Setting Up The Switch Basic SetupSwitch Information Click the Switch Information link in the Configuration menu 10. Switch Information Basic Settings 186 IP Address Configuring the Switch’s IP Address To set the switch’s IP address187 11. Basic Switch Setup 188 New Switch IP Settings options are Switch will send out a BootpBroadcast request when it is powered Up. The Bootp protocol allows IP Manual 190 Default Gateway Vlan NameManagement Station IP Addresses 191 Snmp Settings To setup the switch for remote management192 Configuring Community Strings 193 Setting Up Trap Receivers 194 Stacking Information 195 15. Switch Stack Display 196 17. Stacking Information 197 Show stacking mode/version 198 19. Console CLI show stack Command 199 200 Config stacking mode slave Config stacking mode master201 Configure Ports 202 22. Port Configurations − Edit 203 Locking a Port’s MAC Address Learning Speed/Duplex Toggle the Speed/Duplex Auto field204 Serial Port Settings 205 Baud Rate Data Bits206 Stop Bits Auto-Logout207 Advanced Setup Configuring VLANsTo create a new 802.1Q Vlan 208 To create a new 802.1Q VLAN, click the New button 209 26 .1Q Static VLANs Entry Settings Edit 210 Port Tagged/UntaggedUntagged Egress 212 Ingress Filter 213 To enable or disable GVRP, globally, on the switch 214 Layer 3 IP Networking 215 To setup IP Interfaces on the switch 216 To setup an new IP interface, click the New button To edit an existing IP interface, click on the Edit button217 Interface Name IP Address218 Setup the Routing Information Protocol RIP SwitchSubnet Mask Active Yes 32. RIP Status 220 TX Mode Disabled RX Mode221 MD5 Key Table Configuration 222 Key ID Key223 Setup Ospf 224 Ospf Area Setting Current Route ID AS Border RouterState 225 Default Cost Stub Import Stub Default CostArea ID Type Ospf Interface Configuration Remove227 Router Priority Hello Interval228 Auth Type Simple229 Ospf Interface Configuration − Monitor Key ConfigurationAuth Key Metric Virtual Interface Configuration 231 Neighbor Router Status232 Area Aggregation Configuration 233 Route Redistribution Settings 234 Source Protocol DestinationProtocol Metric Type 236 IP Multicasting 237 Igmp Snooping Settings To configure Igmp SnoopingState Disabled 238 Igmp Interface Configuration QueryMax Response Robustness Var 46. Igmp Interface Setup 240 Version Query Interval241 Dvmrp Interface Configuration Max ResponseTime Robustness 49. Dvmrp Interface Configuration − Edit 243 Interface Name SystemProbe Interval 244 PIM-DM Settings Neighbor Timeout IntervalState Disabled Metric 50. PIM-DM Interface Configuration 246 51. PIM-DM Interface Configuration − Edit 247 Static Router Port Settings Join/PruneInterval 248 To setup a static router port 249 53. Static Router Port Settings − Add 250 To configure a port for port mirroring Port Mirroring251 Source Port Direction Ingress252 To configure a forwarding priority for a given MAC address Priority253 56. MAC Address Priority − Add 254 MAC Address User PrioritySource/Destinatio 255 IP Address Filtering 256 0.0 257 258 Forwarding 259 Unicast MAC Address Forwarding 260 63. Unicast MAC Address Settings − Add 261 Multicast MAC Address Forwarding Unit262 65. Multicast MAC Address Settings 263 None 264 IP Forwarding 265 To add a new static/default route, click the New button Gateway IP266 Static ARP To add a new static ARP entry, click the New button267 STP Switch Settings 268 72. STP Switch Settings 269 270 STP Port Settings 271 73. STP Port Settings 272 Cost Priority273 274 74. Link Aggregation 275 Following fields can be set 276 Update Firmware from Server UtilitiesTftp Utilities Port Member 77. Download Firmware from Server 278 Use Configuration File on Server 279 Save Settings To Server Save History Log to Server280 Utilities BOOTP/DHCP Relay 281 Bootp Hops Count Limit Relay StatusRelay Time Threshold 282 To add a new entry, click the New button 283 To configure DNS Relay, click on the DNS Relay link DNS Relay284 285 To add a new entry to the table, click on the New button Address The IP address of the domain name0.0 Above Network Monitoring Port Utilization287 87. Port Utilization window 288 Port Error Statistics Update289 88. Port Error Packet Statistics window 290 Update Interval CRC ErrorRX Frames Undersize Drop Packets TX FramesExcessive Deferral Late Collision Port Packet Analysis 293 Frames Frames/secUnicast RX Frames/sec Multicast RX MAC Address Table Total/sec TX BytesTotal/sec TX Frames Total/sec IP Address Table 296 297 91. IP Address Table 298 Routing Table Netmask 300 To view the switch’s ARP table, click on the ARP Table link ARP Table301 93. ARP Table 302 Ospf Link State Database Table Area ID Displays the Ospf Area ID303 Sequence 304 Ospf Neighbor Table Priorityrouter305 Ospf Virtual Neighbor Table Dvmrp Neighbor Address Table 307 Gvrp Status LearnedName Expire Router Ports Igmp Snooping Status309 100. Igmp Snooping Table 310 IP Multicast Forwarding Table 311 Igmp Group Table Protocol Routing protocol in use312 Dvmrp Routing Table Querier IP313 Switch History To view the switch history logClick the Switch History link on the Applications menu 314 104. Switch History 315 Technical Specifications 316 Physical and Environmental 317 318 EMI Understanding Troubleshooting Spanning Tree Protocol 319 Blocking State Port in the blocking state does the following 321 Listening State Port in the listening state does the following 323 Learning State Port in the learning state does the following 325 Forwarding State Port in the forwarding state does the following 327 Disabled State Disabled port does the following 329 Troubleshooting STP Spanning Tree Protocol Failure Full/Half Duplex Mismatch 331 Unidirectional Link 333 Resource Errors Packet Corruption Know where the root is located Identifying a Data LoopAvoiding Trouble Know which links are redundant Minimize the number of ports in the blocking state 337 Understanding and Troubleshooting the Spanning Tree Protocol Impact of Layer 3 Switching 339 Understanding and Troubleshooting the Spanning Tree Protocol 341 Brief Review Bitwise Logical Operations Not Index Spanning Tree Protocol Vlan Offices Registration Card

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