Enterasys VH-SMGMT Spezifikationen

9033645-01VERTICAL HORIZONVH-2402SFAST ETHERNET SWITCHMANAGEMENT GUIDE

2 Management Overview VH-2402SWhen attaching to a PC, set terminal emulation type to VT100, specify the port used by your PC (i.e., COM 1~4), and the

VH-2402S VLAN ConfigurationVLAN operation on the VH-2402S is enabled by default. Therefore, all frames are transferred internally through the switch w

9033645-01 Virtual LANs (VLANs) 93Forwarding Tagged/Untagged Frames Ports can be assigned to multiple tagged or untagged VLANs. Each port on the swit

94 Virtual LANs (VLANs) VH-2402SForwarding Traffic with Unknown VLAN TagsThis switch only supports 256 VLANs with VLAN IDs ranging from 1 to 2048, bu

9033645-01 Class of Service 95APPENDIX C. CLASS OF SERVICEClass of Service support on the VH-2402S allows you to assign mission-critical data a highe

96 Class of Service VH-2402SFigure C-1 shows priority queuing operating within a switch. Frames entering the switch through ports 1 and 4 are tagged

9033645-01 IP Multicast Filtering 97APPENDIX D. IP MULTICAST FILTERINGIGMP Snooping and IP Multicast FilteringThe Internet Group Management Protocol

9033645-01 Index 1INDEXAaddress tableunicast, 62aging time, configuring, 77Auto-negotiation, configuring, 76BBootP, configuring, 78bridge MIB extensio

2 Index VH-2402Spriorityport configuration, 47port information, 48traffic class, 46Rrestarting the system, 65Sserial portconfiguration, 19connections

9033645-01 Management Overview 3In-Band Network ConnectionThe on-board configuration program can be accessed using Telnet from any computer attached

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4 Management Overview VH-2402S

9033645-01 VH-2402S User Interface 52. VH-2402S USER INTERFACEOverviewAccess is gained to the console menus by connecting a terminal to the console p

6 VH-2402S User Interface VH-2402SUser AccessOnce a direct connection to the serial port or a Telnet connection is established, the login screen for

9033645-01 VH-2402S User Interface 7Factory DefaultsTable 2-1 lists the default settings for switch configuration parameters. Each parameter can be c

8 VH-2402S User Interface VH-2402SVirtual LANsAcceptable VLAN Frame Type AllConfigurable PVID Tagging YesGVRP DisabledUntagged VLAN Group Assignment

9033645-01 VH-2402S User Interface 9Main MenuThe Main Menu is the first screen seen after successfully logging into the system. Figure 2-2 shows the

10 VH-2402S User Interface VH-2402SDevice Control MenuPort Configuration Enables any port, enables/disables flow control, and sets communication mode

9033645-01 VH-2402S User Interface 11System Information MenuUse the System Information Menu to display a basic description of the switch, including c

12 VH-2402S User Interface VH-2402SDisplaying System Information Use the System Information screen to display descriptive information about the switc

9033645-01 VH-2402S User Interface 13Displaying Switch Version and Module Information Use the Switch Information screen to display hardware/firmware

14 VH-2402S User Interface VH-2402SManagement Setup MenuAfter initially logging onto the system, adjust the communication parameters for your console

9033645-01 VH-2402S User Interface 15Changing the Network Configuration Use the Network Configuration menu to set the bootup option, configure the sw

16 VH-2402S User Interface VH-2402SIP ConfigurationUse the IP Configuration screen to set the bootup option, or configure the switch’s IP parameters.

9033645-01 VH-2402S User Interface 17IP Connectivity Test (Ping) Use the IP Connectivity Test to see if another site on the Internet can be reached.

18 VH-2402S User Interface VH-2402SHTTP Configuration Use the HTTP Configuration screen to enable/disable the on-board Web agent, and to specify the

9033645-01 VH-2402S User Interface 19Configuring the Serial Port You can access the on-board configuration program by attaching a VT100 compatible d

20 VH-2402S User Interface VH-2402SAssigning SNMP ParametersUse the SNMP Configuration screen to display and modify parameters for the Simple Network

9033645-01 VH-2402S User Interface 21Configuring Community NamesThe following figure and table describe how to configure the community strings author

Notice9033645-01 iNOTICEEnterasys Networks reserves the right to make changes in specifications and other information contained in this document witho

22 VH-2402S User Interface VH-2402SConfiguring IP Trap ManagersThe following figure and table describe how to specify management stations that will r

9033645-01 VH-2402S User Interface 23Console Login Configuration Use the Management Setup: Console Login Configuration to restrict management access

24 VH-2402S User Interface VH-2402SDownloading System Software Using TFTP Protocol to Download Over the NetworkUse the TFTP Download menu to load sof

9033645-01 VH-2402S User Interface 25Saving the System ConfigurationUse the Configuration Save & Restore menu to save the switch configuration se

26 VH-2402S User Interface VH-2402SConfiguring Management AccessUse the Management Configuration menu to define which VLAN has management access to t

9033645-01 VH-2402S User Interface 27Configuring the SwitchThe Device Control menu is used to control a broad range of functions, including port conf

28 VH-2402S User Interface VH-2402S802.1Q VLAN Base InformationDisplays basic VLAN information, such as VLAN version number and maximum VLANs support

9033645-01 VH-2402S User Interface 29Configuring Port Parameters Use the Port Configuration menus to set or display communication parameters for any

30 VH-2402S User Interface VH-2402SViewing the Current Port ConfigurationThe Port Information screen displays the port type, status, link state, and

9033645-01 VH-2402S User Interface 31Using the Spanning Tree AlgorithmThe Spanning Tree Algorithm can be used to detect and disable network loops, an

Noticeii 9033645-01

32 VH-2402S User Interface VH-2402SParameter Default DescriptionSpanning Tree ProtocolEnabled Enable this parameter to participate in an STA complian

9033645-01 VH-2402S User Interface 33Configuring STA for Ports or ModulesThe following figure and table describe STA configuration for ports or modul

34 VH-2402S User Interface VH-2402SViewing the Current Spanning Tree ConfigurationThe Spanning Tree Information screen displays a summary of the STA

9033645-01 VH-2402S User Interface 35Displaying the Current Bridge STAThe parameters shown in the following figure and table describe the current Bri

36 VH-2402S User Interface VH-2402SDisplaying the Current STA for Ports or ModulesThe parameters shown in the following figure and table are for port

9033645-01 VH-2402S User Interface 37The rules defining port status are:• A port on a network segment with no other STA-compliant bridging device is

38 VH-2402S User Interface VH-2402SUsing a Mirror Port for AnalysisYou can mirror traffic from any source port to a target port for real-time analysi

9033645-01 VH-2402S User Interface 39Configuring Port Trunks Port trunks can be used to increase the bandwidth of a network connection or to ensure f

40 VH-2402S User Interface VH-2402SYou can use the Port Trunking Configuration screen set up port trunks as shown below:Figure 2-29. Port Trunking

9033645-01 VH-2402S User Interface 41IGMP Multicast FilteringMulticasting is used to support real-time applications such as video conferencing or str

9033645-01 Table of Contents iiiTABLE OF CONTENTS1. MANAGEMENT OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

42 VH-2402S User Interface VH-2402SConfiguring IGMPThis protocol allows a host to inform its local switch/router that it wants to receive transmissio

9033645-01 VH-2402S User Interface 43Configuring Broadcast Storm ControlUse the Broadcast Storm Control Configuration screen to enable broadcast stor

44 VH-2402S User Interface VH-2402SConfiguring Bridge MIB ExtensionsThe Bridge MIB includes extensions for managed devices that support Traffic Class

9033645-01 VH-2402S User Interface 45Bridge SettingsTraffic Class* Multiple traffic classes are supported by this switch as indicated under Bridge Ca

46 VH-2402S User Interface VH-2402SConfiguring Traffic ClassesIEEE 802.1p defines up to 8 separate traffic classes. This switch supports Quality of S

9033645-01 VH-2402S User Interface 47Port Priority ConfigurationThe default priority for all ingress ports is zero. Therefore, any inbound frames tha

48 VH-2402S User Interface VH-2402S802.1P Port Traffic Class InformationThis switch provides two priority levels with weighted fair queuing for port

9033645-01 VH-2402S User Interface 49Configuring Virtual LANs You can use the VLAN configuration menu to assign any port on the switch to any of up t

50 VH-2402S User Interface VH-2402S802.1Q VLAN Current Table InformationThis screen shows the current port members of each VLAN and whether or not th

9033645-01 VH-2402S User Interface 51802.1Q VLAN Static Table ConfigurationUse this screen to create a new VLAN or modify the settings for an existin

iv Table of Contents VH-2402SDisplaying the Unicast Address Table . . . . . . . . . . . . . . . . . . . . . 62Displaying the IP Multicast Registrat

52 VH-2402S User Interface VH-2402SFor example, the following screen displays settings for VLAN 2, which includes tagged ports 1-6, and forbidden por

9033645-01 VH-2402S User Interface 53Port Assignment VLAN ConfigurationUse this screen to configure port-specific settings for IEEE 802.1Q VLAN featu

54 VH-2402S User Interface VH-2402SMulticast Router Port InformationYou can use the Multicast Router Port Information screen to display the ports on

9033645-01 VH-2402S User Interface 55Static Multicast Router Port ConfigurationYou can use the Static Multicast Router Port Configuration screen to a

56 VH-2402S User Interface VH-2402SIGMP Member Port ConfigurationYou can use the IGMP Member Port Configuration screen to assign ports that are attac

9033645-01 VH-2402S User Interface 57Port Security ConfigurationUse the Port Security Configuration screen to enable and configure port security for

58 VH-2402S User Interface VH-2402SMonitoring the SwitchThe Network Monitor Menu provides access to port statistics, RMON statistics, IP multicast ad

9033645-01 VH-2402S User Interface 59Displaying Port StatisticsPort Statistics display key statistics from the Ethernet-like MIB for each port. Error

60 VH-2402S User Interface VH-2402SDisplaying RMON Statistics Use the RMON Statistics screen to display key statistics for each port or media module

9033645-01 VH-2402S User Interface 61Parameter DescriptionDrop Events The total number of events in which packets were dropped due to lack of resourc

9033645-01 Table of Contents vRemapping Network Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . 88APPENDIX B. VIRTUAL LANS (VLANS) .

62 VH-2402S User Interface VH-2402SDisplaying the Unicast Address Table The Address Table contains the MAC addresses and VLAN identifier associated w

9033645-01 VH-2402S User Interface 63Displaying the IP Multicast Registration TableUse the IP Multicast Registration Table to display all the multica

64 VH-2402S User Interface VH-2402SConfiguring Static Unicast AddressesUse the Static Unicast Address Table Configuration screen to manually configur

9033645-01 VH-2402S User Interface 65Resetting the SystemSelect the System Restart Menu under the Main Menu to reset the management agent. The reset

66 VH-2402S User Interface VH-2402S

9033645-01 Configuring & Monitoring the Switch 673. CONFIGURING & MONITORING THE SWITCHCommon TasksThe switch console menus allow you to modi

68 Configuring & Monitoring the Switch VH-2402SSetting Password ProtectionThe VH-2402S switch is factory-configured with administrator access rig

9033645-01 Configuring & Monitoring the Switch 69Assigning an IP AddressTo assign an IP address to the switch, do the following:1. Select Manage

70 Configuring & Monitoring the Switch VH-2402SSetting SNMP Management AccessAccess to the VH-2402S switch through SNMP is controlled by communit

9033645-01 Configuring & Monitoring the Switch 71Configuring Port MirroringYou can mirror the traffic being switched on any port for the purposes

vi Table of Contents VH-2402S

72 Configuring & Monitoring the Switch VH-2402SDownloading Via the Serial PortA serial download is the easiest method to upgrade the VH-2402S swi

9033645-01 Configuring & Monitoring the Switch 73server and the name of the upgrade file. To program the switch IP address, select the Management

74 Configuring & Monitoring the Switch VH-2402SConfiguring Spanning Tree ParametersThe VH-2402S switch supports the IEEE 802.1D Spanning Tree Pro

9033645-01 Configuring & Monitoring the Switch 75Configuring VLANsA virtual LAN (VLAN) is a group of devices on one or more LANs that are configu

76 Configuring & Monitoring the Switch VH-2402SConfiguring Port OperationYou can configure switch ports for operational parameters such as auto-n

9033645-01 Configuring & Monitoring the Switch 77Configuring the Unicast Address TableThe Unicast Address Table allows you to designate forwardin

78 Configuring & Monitoring the Switch VH-2402SSetting a Default GatewayThe default Gateway parameter defines the IP address of a router or other

9033645-01 Configuring & Monitoring the Switch 79Configuring Port TrunksYou can configure up to five port trunks on a standalone VH-2402S switch,

80 Configuring & Monitoring the Switch VH-2402S

9033645-01 SNMP Management 814. SNMP MANAGEMENTThe SNMP ProtocolSNMP (Simple Network Management Protocol) is a communication protocol designed specif

9033645-01 Management Overview 11. MANAGEMENT OVERVIEWConfiguration OptionsFor advanced management capability, the VH-SMGMT Vertical Horizon Manageme

82 SNMP Management VH-2402SThere are three main operations defined in SNMP:• GET operations read information from the managed device, such as those u

9033645-01 SNMP Management 83RFC 1213 (MIB-II)RFC 1213 provides management of system-level parameters, including TCP/IP protocol-related statistics,

84 SNMP Management VH-2402SRFC 1757 (RMON MIB)RFC 1757 is a group defined under MIB-II. This MIB provides management for the RMON aspects of the swit

9033645-01 Spanning Tree Concepts 85APPENDIX A. SPANNING TREE CONCEPTSGeneralThe IEEE 802.1D Spanning Tree Protocol resolves the problems of physical

86 Spanning Tree Concepts VH-2402SSpanning Tree Protocol in a NetworkFigure A-1 illustrates the use of three VH-2402S switches to establish an effect

9033645-01 Spanning Tree Concepts 87Spanning Tree Protocol ParametersSeveral configuration parameters control the operation of the Spanning Tree Prot

88 Spanning Tree Concepts VH-2402SSpanning Tree Protocol OperationWhen the Spanning Tree Protocol is enabled for the first time or when there is a ch

9033645-01 Spanning Tree Concepts 89There are five (5) states that the ports can be in for spanning tree:• Blocking: A port in this state does not pa

90 Spanning Tree Concepts VH-2402S

9033645-01 Virtual LANs (VLANs) 91APPENDIX B. VIRTUAL LANS (VLANS)VLANs and Frame TaggingThe VH-2402S switch supports IEEE 802.1Q-compliant virtual L