Enterasys Networks VH-2402S manual Snmp Management, Appendix A. Spanning Tree Concepts

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Displaying the Unicast Address Table . . . . . . . . . . . . . . . . . . . . . 62

Displaying the IP Multicast Registration Table . . . . . . . . . . . . . . . 63

Configuring Static Unicast Addresses. . . . . . . . . . . . . . . . . . . . . . 64

Resetting the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Logging Off the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

3. CONFIGURING & MONITORING THE SWITCH . . . . . . . . . . . . . . . . . . . . . 67 Common Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Setting Password Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Assigning an IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Checking Network Configuration Status. . . . . . . . . . . . . . . . . . . . . . . . 69 Connecting via Telnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Setting SNMP Management Access . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Viewing Switch Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Configuring Port Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Downloading a Software Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Downloading Via the Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Downloading Via TFTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Configuring Spanning Tree Parameters. . . . . . . . . . . . . . . . . . . . . . . . 74 Configuring VLANs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Configuring Class of Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Configuring Port Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Configuring the Unicast Address Table . . . . . . . . . . . . . . . . . . . . . . . . 77 Setting a Default Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Configuring BootP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Configuring Port Trunks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

4. SNMP MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

The SNMP Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

MIB Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

RFC 1213 (MIB-II). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

RFC 1573 (Interfaces Evolution MIB) . . . . . . . . . . . . . . . . . . . . . . 83

RFC 1643 (Ethernet-Like MIB) . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

RFC 1493 (Bridge MIB). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

RFC 1757 (RMON MIB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

IEEE 802.1Q (Q-MIB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Enterasys Proprietary MIB Extensions . . . . . . . . . . . . . . . . . . . . . 84

Compiling MIB Extensions: Enterasys Website . . . . . . . . . . . . . . . . . . 84

APPENDIX A. SPANNING TREE CONCEPTS . . . . . . . . . . . . . . . . . . . . . . . . 85

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Spanning Tree Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Spanning Tree Protocol in a Network. . . . . . . . . . . . . . . . . . . . . . . . . . 86

Spanning Tree Protocol Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Spanning Tree Protocol Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Communicating Between Bridges . . . . . . . . . . . . . . . . . . . . . . . . . 88

Selecting a Root Bridge and Designated Bridges . . . . . . . . . . . . . 88

Selecting Designated Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Handling Duplicate Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

iv Table of Contents

VH-2402S

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Contents Fast Ethernet Switch Management GuidePage 9033645-01 9033645-01 Table of Contents Snmp Management Appendix A. Spanning Tree ConceptsIndex Vi Table of Contents VH-2402S Required Connections Configuration OptionsManagement Overview Console Port Out-of-Band ConnectionsRemote Management via the Console Port Configure the Switch SiteConfigure the Remote Site In-Band ConnectionsIn-Band Network Connection Management Overview VH-2402S VH-2402S User Interface OverviewUser Access Factory Defaults Factory Default SettingsGvrp Main Menu Selection DescriptionDisplays/configures extended bridge capabilities provided by System Information Menu System Information MenuDisplaying System Information System InformationDisplaying Switch Version and Module Information Switch InformationManagement Setup Menu Management Setup MenuChanging the Network Configuration Network ConfigurationIP Configuration IP ConfigurationIP Connectivity Test Ping IP Connectivity TestHttp Configuration 10. Http ConfigurationConfiguring the Serial Port 11. Serial Port Configuration12. Snmp Configuration Assigning Snmp ParametersConfiguring Community Names 13. Snmp CommunitiesConfiguring IP Trap Managers 14. IP Trap ManagersConsole Login Configuration 15. Console Login ConfigurationUsing Tftp Protocol to Download Over the Network Downloading System SoftwareSaving the System Configuration Parameter DescriptionConfiguring Management Access 18. Management ConfigurationConfiguring the Switch 19. Device Control MenuNot implemented in the current firmware release Configuring Port Parameters 20. Port ConfigurationViewing the Current Port Configuration 21. Port InformationUsing the Spanning Tree Algorithm 22. Spanning Tree Configuration Configuring Bridge STADevice with the lowest MAC address will then Configuring STA for Ports or Modules 24. Spanning Tree Port ConfigurationViewing the Current Spanning Tree Configuration 25. Spanning Tree InformationDisplaying the Current Bridge STA 26. Bridge STA InformationDisplaying the Current STA for Ports or Modules 27. Spanning Tree Port InformationRules defining port status are Using a Mirror Port for Analysis 28. Mirror Port ConfigurationConfiguring Port Trunks 29. Port Trunking Configuration Igmp Multicast Filtering Configuring Igmp 30. Igmp ConfigurationConfiguring Broadcast Storm Control 31. Broadcast Storm Control ConfigurationConfiguring Bridge MIB Extensions 32. Extended Bridge ConfigurationBy setting this parameter to False Configuring Traffic Classes 33 .1P ConfigurationPort Priority Configuration 34 .1P Port Priority Configuration802.1P Port Traffic Class Information 35 .1P Port Traffic Class InformationConfiguring Virtual LANs 802.1Q Vlan Base Information802.1Q Vlan Current Table Information 37 .1Q Vlan Current Table Information802.1Q Vlan Static Table Configuration 38 .1Q Vlan Static Table Configuration39 .1Q Vlan Static Table Configuration Example Port Assignment Vlan Configuration 40. Port Assignment Vlan ConfigurationMulticast Router Port Information 41. Multicast Router Port InformationStatic Multicast Router Port Configuration 42. Static Multicast Router Port ConfigurationIgmp Member Port Configuration 43. Igmp Member Port ConfigurationPort Security Configuration 44. Port Security ConfigurationMonitoring the Switch 45. Network Monitor MenuDisplaying Port Statistics 46. Port StatisticsDisplaying Rmon Statistics 47. Rmon StatisticsDrop Events Displaying the Unicast Address Table 48. Unicast Address TableDisplaying the IP Multicast Registration Table 49. IP Multicast Registration TableConfiguring Static Unicast Addresses 50. Static Unicast Addreeess Table ConfigurationResetting the System Logging Off the System66 VH-2402S User Interface Configuring & Monitoring the Switch Common TasksSetting Password Protection Checking Network Configuration Status Connecting via TelnetAssigning an IP Address Setting Snmp Management Access Viewing Switch StatisticsConfiguring Port Mirroring Downloading a Software UpgradeDownloading Via the Serial Port Downloading Via Tftp9033645-01 Configuring Spanning Tree Parameters Configuring VLANs Configuring Class of ServiceConfiguring Port Operation Configuring the Unicast Address Table Setting a Default Gateway Configuring BootPConfiguring Port Trunks Configuring & Monitoring the Switch VH-2402S Snmp Management Snmp ProtocolMIB Objects RFC 1643 Ethernet-Like MIB RFC 1213 MIB-IIRFC 1573 Interfaces Evolution MIB RFC 1493 Bridge MIBCompiling MIB Extensions Enterasys Website Ieee 802.1Q Q-MIBEnterasys Proprietary MIB Extensions Spanning Tree Features Appendix A. Spanning Tree ConceptsGeneral Figure A-1. Spanning Tree Using VH-2402S Switches Spanning Tree Protocol in a NetworkTable A-1. Spanning Tree Protocol Defaults Spanning Tree Protocol ParametersSpanning Tree Protocol Operation 9033645-01 Spanning Tree Concepts VH-2402S Appendix B. Virtual Lans Vlans VLANs and Frame TaggingVlan Classification VH-2402S Vlan ConfigurationAssigning Ports to VLANs Port OverlappingForwarding Tagged/Untagged Frames Automatic Vlan RegistrationForwarding Traffic with Unknown Vlan Tags Appendix C. Class of Service Incoming tagged frames contain a priority level rangeFigure C-1. Class of Service Example Appendix D. IP Multicast Filtering Igmp Snooping and IP Multicast FilteringPage Index Tftp Page 150524-103 R02
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