Cisco Systems 1503 manuale d’uso

CHAPTER Using Your Hu b Software 3-1 3 Using Y our Hub Softw are This chapter describes procedures for conf ig uring the Ci sco Micro Hu b, and contains the following sections: • Preparing for Configuration • Configuring the Hub • Command Summary Preparing f or Configuration T o configure an y Cisco Micro Hubs in a st ack, the stack must incl[...]

Preparing for Configuration Cisco Micro Hub User Guide 3-2 Connection Using T elnet If the hub is correctly connect ed to a network, you can access the hub by using T elnet from anywhere on that network and can use the configuration program to communicate with th e hub . Before making a T elnet connection to the hub, you must configure the hub with[...]

Using Your Hu b Software 3-3 Command Conventions Command Con ventions This section describes some things you might need to know before using the commands to configure the hub . If you are familiar with th ese con ventions, you can skip this section. • Enter commands by typing the text of the command at the configuration prompt and then pressing t[...]

Preparing for Configuration Cisco Micro Hub User Guide 3-4 • Y ou can abbreviate commands to the fe west letters that make them unique. For example, for the show history command, you can enter: Hub> show his • Certain commands display multip le screens with this prompt between screens: --More-- Press the space bar to see more ou tput from th[...]

Using Your Hu b Software 3-5 Forgot Your Password? The <password> f ield can contain from 0 to 80 uppercase and lo wercase alphanumeric characters. Spaces are not allo wed. The f irst character cannot be a number . P asswords are case sensiti ve. An example of a v alid password is mypassword1 . F orgot Y our P assw ord? If you forget the pass[...]

Configuring the Hub Cisco Micro Hub User Guide 3-6 Step 7 The follo wing message appears, confirmi ng that your new passwords ha ve been accepted: Administrator and telnet passwords are modified. Welcome to Cisco hub model 150x Configuring the Hub This section describes basic hub configuration. Before you configure a Micro Hub 1503, have the follo [...]

Using Your Hu b Software 3-7 Hub ID Numbers Here are two rules that determine hub ID numbers in a stack of hubs: 1 The lowest hub ID number in a stack (1) is always assigned to the hub with another hub connected to its OUT port and with no hub connected to its IN port. 2 The highest hub ID number in a stack (any number from 2 to 5) is alw ays assig[...]

Configuring the Hub Cisco Micro Hub User Guide 3-8 Configuring the hub takes place in three major steps: 1 Entering Admi nistrator Mode 2 Configuring IP and SNMP Parameters 3 Configuring the SNMP Manageme nt Station All of the commands used in the conf igura tion steps are fully explained in the section “Command Summary” lat er in this chapter [...]

Using Your Hu b Software 3-9 Configuring IP and SNMP Parameters Configuring IP and SNMP P arameters The illustration below sho ws the network that is being configured in this section: Figure 3-2 Example Network Note The network addresses used in the steps be lo w are examples only; they will not work for your network. Y ou should substitute them wi[...]

Configuring the Hub Cisco Micro Hub User Guide 3-10 Step 3 Use the ip trap-manager command to configure the IP address of the SNMP management station: Hub# ip trap-manager 1 172.16.20.2 Basic IP and SNMP configuration is no w complete. T o return to guest mode, enter exit . Enter exit a second time to close the current terminal session: Hub# exit H[...]

Using Your Hub Software 3-11 Command Summary Command Summary This section provides a summary of the commands used to configure the Micro Hub 1503. The configuration commands are orga nized into the follo wing categories: • System Help Commands • User Interface Commands • Firmware Load and Restart Commands • System Information Commands • M[...]

Command Summary Cisco Micro Hub User Guide 3-12 Commands are def ined and described in the format sho wn below: show hub inf ormation Syntax: show hub inf ormation [ hub id ] Mode: Guest Description: Displays information about one or more hubs in a stack. Command Keyw ord Definition • hub id — (Optional) The number of the hub in the stack. An i[...]

Using Your Hub Software 3-13 System Help Commands System Help Commands Use the commands in this section to obtai n system help when configuring the hub . help ? Syntax: help Mode: Guest Description: Lists a brief description of the context-sensiti ve help system. Syntax: ? Mode: Guest Description: Use this command in the following w ays: • At any[...]

Command Summary Cisco Micro Hub User Guide 3-14 User Interf ace Commands Use the commands in this section to conf i gure the user interface for the hub software. Command Mode Access Commands Use the commands in this section to change conf iguration mode for the hub : disabl e enab le Syntax: disable Mode: Guest Description: Exits administrator mode[...]

Using Your Hub Software 3-15 User Interface Comma nds ex i t help Console Access Co mmands Use the commands in this section to cont rol console access to the hub configuration. show console lock out inf o Syntax: exit Mode: Guest Description: Exits any command mode or closes an ac tiv e terminal session. Syntax: help Mode: Guest Description: Refer [...]

Command Summary Cisco Micro Hub User Guide 3-16 console-loc kout no console loc kout console-loc kout time Syntax: console-lockout Mode: Administrator Description: Sets t he console acce ss to locked af ter a designated period of no keyboard acti vity . Syntax: no console-lockout Mode: Administrator Description: Disables the console locko ut featur[...]

Using Your Hub Software 3-17 User Interface Comma nds Administrator P assw ord Commands Use the commands in this section to configure hub passwords. pass word no pass word Syntax: password Mode: Administrator Description: Configures the password u sed to enter administrator mode. After entering the command, you will be prompted to enter the current[...]

Command Summary Cisco Micro Hub User Guide 3-18 telnet-session pass word no telnet-session pass word telnet-session Syntax: telnet-session password Mode: Administrator Description: Configures the hub with the password that is required to start a T elnet session with the hub . Syntax: no telnet-session password Mode: Administrator Description: Clear[...]

Using Your Hub Software 3-19 User Interface Comma nds Histor y Commands Use these commands in this section to config ure how the hub stores and displays command input history . show history term inal histor y term inal no histor y Syntax: show history Mode: Guest Description: Displays the commands that are stored in the history buf fer . Syntax: te[...]

Command Summary Cisco Micro Hub User Guide 3-20 term inal histor y size Editing Commands Use the commands in this section to c onf igure the hub for terminal editing. Note Command-line editing features are descr ibed in the appendix “T erminal Editing Command Reference. ” term inal editing term inal no editing Syntax: terminal history size <[...]

Using Your Hub Software 3-21 Firmware Load and Restart Commands Fir mware Load and Restar t Commands Use the commands in this section to conf i gure how the hub loads and copies f irmware. Bootup Option Commands Use the commands in this section to configure ho w the hub gets the firmware and IP address when it is first po wered up. bootup-option no[...]

Command Summary Cisco Micro Hub User Guide 3-22 TFTP Download Commands Use the commands in this section to conf i gure how the hub do wnloads firmware from a TFTP server . Use a server that has been conf igured to provide the firmware for your hu b . show tftp-do wnload info r mation tftp-download Syntax: show tftp-do wnload information Mode: Guest[...]

Using Your Hub Software 3-23 Firmware Load and Restart Commands star t tftp-download Xmodem Download Command Use this command to download f irmware to the hub with the X modem protocol. star t xmodem-download Syntax: start tftp-download Mode: Administrator Description: Starts the firmware do wnload process. In order to use this command, the hub and[...]

Command Summary Cisco Micro Hub User Guide 3-24 Restar t Command Use this command to reset the hub. restar t Syntax: restart Mode: Administrator Description: Performs a firmware reset fo r the hub usin g the bootup option selected with the bootup-option command. (S ee the sec tion “Bootup Option Commands” earlier in this chapter for a descripti[...]

Using Your Hub Software 3-25 System Information Commands System Inf or mation Commands Use the commands in this section to display general information about the hub and the stack of hubs. show system inf or mation Syntax: show system information Mode: Guest Description: Displays system information as shown belo w: Hub> show system information Sy[...]

Command Summary Cisco Micro Hub User Guide 3-26 system name no system name system contact Syntax: system name < string > Mode: Administrator Description: Configures the hub with a descriptive name. Command Keywor d Definition string —String containing 1 to 255 alphanumeric characte rs, which can be any combination of uppercase and lo wercas[...]

Using Your Hub Software 3-27 System Information Commands no system contact system location no system locatio n Syntax: no system contact Mode: Administrator Description: Resets the hub’ s system c ontact to the default system contact (“system administrator”). Syntax: system location < string > Mode: Administrator Description: Configures[...]

Command Summary Cisco Micro Hub User Guide 3-28 show mana gement information Syntax: show management information Mode: Guest Description: Displays information about the ne twork management hub as follo ws: Hub> show management information Hub id: 1 H/W version : 1. F/W version: 1.01 Bootup option : normal Physical address: 00-00-12-34-56-78 Comm[...]

Using Your Hub Software 3-29 Management Confi guration Command s Management Configuration Commands Use the commands in this section to configur e community strings and trap managers, which are required when using SNMP. IP P arameter Commands Use the commands in this section to configure the Micro Hub 1503 with IP parameters. The hub must be configu[...]

Command Summary Cisco Micro Hub User Guide 3-30 ip address no ip address Syntax: ip address { ip-addr ess } [ subnet mask ] [ gateway ip ] Mode: Administrator Description: Configures the IP parameters for the hub . Command Keywor d Definition s • ip-addr ess —IP address of the hub . The default v alue is 0.0.0.0. • subnet-mask —IP subnet ma[...]

Using Your Hub Software 3-31 Management Confi guration Command s SNMP Communities Commands Use the commands in this s ection to configur e the SNMP community st rings. These strings are used by the network mana gement software to access the Micro Hub 1503. show snmp communities Syntax: show snmp communities Mode: Administrator Description: Displays[...]

Command Summary Cisco Micro Hub User Guide 3-32 snmp community snmp communi ty disable Syntax: snmp community { index } { string } [ ro | rw ] Mode: Administrator Description: Creates or modifies community strings or associat ed access rights. All ne w entries are enab led by default. T o disable an ent ry , use the snmp community disable command. [...]

Using Your Hub Software 3-33 Management Confi guration Command s snmp community enab le snmp trap-authentication no snmp trap-authent ication Syntax: snmp community enable { index } Mode: Administrator Description: Enables a community st ring. Command Keywor d Definition index —Inde x of an entry in the community table. An integer between 1 and 5[...]

Command Summary Cisco Micro Hub User Guide 3-34 Configuring T rap Man agers Use the commands in this section to configur e the Micro Hub 1503 trap info rmation. Trap information enables the hub to send information to conn ected network de vices. These messages notify network devices about e vents on the network. show ip tr ap-managers Syntax: show [...]

Using Your Hub Software 3-35 Management Confi guration Command s ip trap-manager ip trap-manager enab le ip trap-manager disab le Syntax: ip trap-manager { index } { ip -address } [ co mmunity name ] Mode: Administrator Description: Configures trap manager information. Command Keywor d Definition s • index — Index of an entry in the trap manage[...]

Command Summary Cisco Micro Hub User Guide 3-36 Hub Configuration Command Use the commands in this section to display inform ation about hubs in a stack. show hub inf ormation Syntax: show hub inf ormation [ hub id ] Mode: Guest Description: Displays information about one or more hubs in a stack . Command Keywor d Definition • hub id —(Optional[...]

Using Your Hub Software 3-37 Port Configuration Commands P or t Configuration Commands Use the commands in this sectio n to display or edit infor mation about any port in the stack. show port information Syntax: show port information [ hub id ] Mode: Guest Description: Displays information about all the network p orts on the selected hub . Command [...]

Command Summary Cisco Micro Hub User Guide 3-38 por t operation Syntax: port-operation { hub id } { port id } { enable | disable } Mode: Administrator Description: Enables or disables any port on any hub in the stack. Command Keywor d Definition s • hub id —Number used to identify the hub in a stack. An integer between 1 and 5. Read the section[...]

Using Your Hub Software 3-39 Statistics Commands Statistics Commands Use the commands in this section to display statistics for a stack, a specific hub in a stack, or a specif ic port in a stack since a rest art or since the counter was last cleared. show system statistics Syntax: show system statistics Mode: Guest Description: Displays statistics [...]

Command Summary Cisco Micro Hub User Guide 3-40 show hub statistics Syntax: show hub statistics [ hub id ] Mode: Guest Description: Displays statistics for the specif ied hub since the last time the clear -counter or restart command w as entered. Command Keywor d Definition • hub id —(Optional) Number used to identify the hub in a stack. An int[...]

Using Your Hub Software 3-41 Statistics Commands show port statistics Syntax: show port statistics { hub id } { port id } Mode: Guest Description: Displays statistics for the sp ecified port on the specified hub sinc e the last time the clear -counter s or re start command was entered. Command Keywor d Definition s • hub id —(Optional) Number u[...]

Command Summary Cisco Micro Hub User Guide 3-42 • Frames too long—Number of times that the frame length has exceeded the maximum allow able size (1518 bytes). • Short ev ents—Number of short packet fragments. • Runts—Number of fragments that were too long to qualify as short ev ents. • Collisions—Number of times network de vi ces at[...]

Using Your Hub Software 3-43 Statistics Commands clear counters Syntax: clear counters { stack | hub [ hub id ]| port [ hub id ] [ port id ]} Mode: Administrator Description: Clears all accrued statistics for the specified stack, hub, or port, or a combination of t hese. Command Keywor d Definition s • stack —Clears statistics for all por ts on[...]

Command Summary Cisco Micro Hub User Guide 3-44 Chassis Inf or mation Commands Use the commands in this section to display chassis information fo r the Cisco Micro Hub. show chassis inf or mation Syntax: show chassis information Mode: Guest Description: Displays general information about the hub’ s hardware and software. Information is shown in t[...]

Using Your Hub Software 3-45 Chassis Information Commands show card table Syntax: show card table Mode: Guest Description: Displays information about the ha rdware and firmw are in the hub. Information is shown in the follo wing format: Hub> show card table Card index: 2 Function type of this card: cpu-1503(38) Card serial number: 0 Hardware ver[...]

Command Summary Cisco Micro Hub User Guide 3-46 show stac k information stack name Syntax: show stack inf ormation Mode: Guest Description: Displays a description of hubs in a stack. Information is disp layed as follows: Hub> show stack information Stack name: Marketing Index IP address --------------------------- 1 123.34.18.5 2 123.34.18.17 3 [...]

Using Your Hub Software 3-47 Chassis Information Commands stack ip address clear stack tab le Syntax: stack ip address { ip addr ess } Mode: Administrator Description: Configures a Micro Hub 1503 that is a pa rt of a stack with an IP address. Command Keywor d Definition ip addr ess —IP address of the stack. Must be in the fo rmat xxx.xxx.xxx.xxx.[...]

Command Summary Cisco Micro Hub User Guide 3-48[...]