HP (Hewlett-Packard) 212M manual

Printed in Singa pore 6/9 8 Manual Part Nu mber 5967 -2146 *5967-2146* T echnical information in this document is subject to change without notice. ©Copyri ght Hewlett-Packard Company 1998. All rights reserved. Reproduction, adaptation, or translation without prior written permission is prohibited except as allowed under the copyright laws. Le s s[...]

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HP ProCurve Switch 212M and 224M Management and Configuration Guide Sraswb.book : SIER_SW0.FM Page i Tuesday, June 30, 1998 12:20 PM[...]

Hewlett-Packard Company 8000 Foothills Boulevard, m/s 5552 Roseville, California 95747-5552 http://www .hp.com/go/network_city © Copyright 1998 Hewlett-Pa ck ard Company All Rights Reserved. This document c ontains information wh ich is protected by copyright. Reproduction, adaptation, or translation without prior permission is prohibited , except[...]

iii Contents 1 Selecting a Management Interface Understanding Management Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Advantages of Using the HP Web Browser Interface . . . . . . . . . . . . . 1-2 Advantages of Using the Switch Console . . . . . . . . . . . . . . . . . . . . . . . . 1-3 HP TopTools for Hubs & Switches . . . [...]

iv 4 Using the Switch Console Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Starting and Ending a Console Session . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 How To Start a Console Session: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 How To End a [...]

v SNMP Communities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15 Configuring SNMP Communities from the Switch Console . . . . . . . 6-15 Trap Receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18 Console/Serial Link . . . . . . . . . . . . . . . . . . [...]

vi Port Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7 Displaying Port Counters from the Web Browser Interface . . . . . . . . 7-8 Displaying Port Counters from the Console Interface . . . . . . . . . . . . . 7-9 Address Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

vii B MAC Address Management Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 Determining the MAC Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 Base MAC Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2 Switch [...]

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1-1 Selecting a Management Interface 1 Selecting a Management Interface This chapter describes the following: ■ Management interfaces for the Switch 212M and the Switch 224M ■ Advantages of using each interface Understanding Management Interfaces Management interfaces enable you to reconfigure the switch, monitor switch status and performance, [...]

1-2 Selecting a Managemen t Interface Advantages of Using the HP Web Browser Interface Selecting a Management Interface Advantages of Using the HP W eb Browser Interface Figure 1-1. Example of the HP Web Browser Interface Display ■ Easy access to the switch from anywhere on the netw ork, using the device’ s IP address ■ Familiar browser inter[...]

1-3 Selecting a Manageme nt Interface Advantages of Using the Sw itch Console Selecting a Management Interface Advantages of Using the Switch Console Figure 1-2. Example of the Switch Console Display ■ More comprehensive set of features and parame ters to work with than the web browser interface ■ Out-of-band access (through direct cable connec[...]

1-4 Selecting a Managemen t Interface HP TopTools for Hubs & Switches Selecting a Management Interface HP T opT ools for Hubs & Switches Y ou can operate HP T opT ools from a network management station on the network to monitor traffic, manage your hubs and switches, and proactively recommend network changes to increase network uptime and o[...]

1-5 Selecting a Manageme nt Interface HP TopTools for Hubs & Switc hes Selecting a Management Interface Network T raffic: ■ W a tches the network for problems ■ Shows traffic and “top talker” nodes on the screen ■ Uses intuitive traffic monitor diagrams to make bottlenecks easy to see ■ Improves network reliability through real-time[...]

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2-1 Configuring an IP Address on the Switch 2 Configuring an IP Address on the Switch This chapter helps you to quickly assign an IP (Internet Protocol) address and subnet mask to the switch. In the factory default configuration, the switch does not have an IP address and subnet mask, so it can be managed only by using a direct connection to the sw[...]

2-2 Configuring an IP Address on the Switch Methods for Configuring a n IP Address and Subnet Mask Configuring an IP Address on the Switch Methods for Configuring an IP Address and Subnet Mask Use either of the following two methods to configure the switch with an IP address and subnet mask compatible with your network: ■ Manually through the swi[...]

2-3 Configuring an IP Address on the Switch Manually Configuring a n IP Address Configuring an IP Address on the Switch Figure 2-1. The Internet (IP) Service Screen 3. Press [E] to select the E dit action, then use the down arrow key ( [v] ) to select the IP Config [DHCP/Bootp] fie ld. 4. Use the Space bar to display Manual for this field. 5. Press[...]

2-4 Configuring an IP Address on the Switch Manually Configuring an IP Address Configuring an IP Address on the Switch Where T o Go From Here The above procedure configures your switch with an IP address and subnet mask. W ith the proper network connections, you can now manage the switch from a network management station, or from a PC equipped with[...]

3-1 Using the HP Web Browser Interface 3 Using the HP W eb Browser Interface Overview The HP web browser interface built into the switch lets you easily access the switch from a browser -based PC on your network. This lets you do the following: ■ optimize your network uptime by using the Alert Log and other diagnostic tools ■ make configuration[...]

3-2 Using the HP Web Browser Interface Web Browser Interface Requirements Using the HP Web Browser Interface W eb Browser Interface Requirements Y ou can use equipment meeting the following requirements to access the HP web browser interface on your intranet. T able 3-1. Supported Network Devices and Sy stem Requirements Platform Entity and OS V er[...]

3-3 Using the HP Web Browser Interface Starting an HP Web Browser Interface Session Using the HP Web Browser Interface Starting an HP W eb Browser Interface Session Y ou can start a web browser session in the following ways: ■ Using a standalone W eb browser on a network connection from a PC or UNIX workstation: • Directly connected to your net[...]

3-4 Using the HP Web Browser Interface Starting an HP Web Browser Interfa ce Session Using the HP Web Browser Interface 2. T ype the IP address (or DNS name) of the switch in the browser Location or Address field and press [Enter] . (It is not necessary to include http:// ) For example: 10.11.12.195 [En t er] If you are using a Domain Name Server ([...]

3-5 Using the HP Web Browser Interface Starting an HP Web Browser Interface Session Using the HP Web Browser Interface 3. The web browser interface automatically starts with the Status Overview window displayed for the selected device, as shown in figure 3-1. Figure 3-1. Status Overview Screen First T ime Install Alert Alert Log Sraswb.book : SIER_[...]

3-6 Using the HP Web Browser Interface Tasks for Your First HP Web Browser Interface Session Using the HP Web Browser Interface T asks for Y our First HP W eb Browser Interface Session The first time you access the web browser interface, there are three tasks that you should perform: ■ review the “First Time Install” window ■ set Manager an[...]

3-7 Using the HP Web Browser Interface Tasks for Your First HP Web Browser Interface Session Using the HP Web Browser Interface This window is the launching point for the basic configuration you need to perform to set web browser interface passwords to maintain security and Fault Detection policy , which determines the types of messages that will b[...]

3-8 Using the HP Web Browser Interface Tasks for Your First HP Web Browser Interface Session Using the HP Web Browser Interface Creating User Names and Passwords in the W eb Browser Interface Y ou may want to create both a user name and password to create access security for your switch. There are two levels of access to the interface that can be c[...]

3-9 Using the HP Web Browser Interface Tasks for Your First HP Web Browser Interface Session Using the HP Web Browser Interface Both the user names and passwords can be up to 16 printable ASCII characters. Spaces c an be included in user names, but not in passwords (to represent spaces in passwords, you can use the underscore (_) char- acter) . 3. [...]

3-10 Using the HP Web Browser Interface Tasks for Your First HP Web Browser Interface Session Using the HP Web Browser Interface Online Help for the HP W eb Browser Interface Online help is available for the web browser interface . Y ou can use it by clicking on the question mark in the upper right co rner of any of the web browser interface screen[...]

3-11 Using the HP Web Browser Interface Tasks for Your First HP Web Browser Interface Session Using the HP Web Browser Interface Figure 3-4. How T o Access Web Browser Interface Online Help If you do not have HP T op T ools for Hu bs & Switches installed on a computer in your network, and you do not have an active connection to the W orld Wide [...]

3-12 Using the HP Web Browser Interface The Web Browser Interface Screen Layout Using the HP Web Browser Interface The W eb Browser Interface Screen Layout This section describes the elements of the web browser interface screen layout starting with the first screen you see, the Sta tus, Overview window . The Overview W indow The Overview W indow is[...]

3-13 Using the HP Web Browser Interface The Web Browser Interface Scree n Layout Using the HP Web Browser Interface ■ T ab Bar . The row of tabs displaying all the Browse r Interface T op Level menus. ■ Active T ab. The current tab selected. The tab is darkened and all the buttons under the tab are displayed. ■ Status Bar . The region above t[...]

3-14 Using the HP Web Browser Interface The Web Browser Interface Screen Layout Using the HP Web Browser Interface The Port Utilization and Status Displays The Port Utilization and Status displays show an overview of the status of the switch and the amount of network activity on each port. The following figure shows a sample reading of the Port Uti[...]

3-15 Using the HP Web Browser Interface The Web Browser Interface Scree n Layout Using the HP Web Browser Interface A network utilization of 40% is considered the maximum that a typical Ethernet-type network can experience before encountering performance difficulties. If you observe utilization that is consistently higher than 40% on any port, clic[...]

3-16 Using the HP Web Browser Interface The Web Browser Interface Screen Layout Using the HP Web Browser Interface Port Status The Port Status indicators are symbols for each port that show the general status of the port. There are four possible status symbols: ■ Port Connected (green dot)– the port is enabled and is properly connected to an ac[...]

3-17 Using the HP Web Browser Interface The Web Browser Interface Scree n Layout Using the HP Web Browser Interface Figure 3-9. The Alert Log Each alert has the following fields of information: ■ Status – The level of severity of the e vent generated. Severity levels can be Information, Normal, W arning, and Critical. If the alert is new (has n[...]

3-18 Using the HP Web Browser Interface The Web Browser Interface Screen Layout Using the HP Web Browser Interface Alert T y pes The following table lists the types of alerts that can be generated. T able 3-2. Alert Strings and Descriptions Note When troubleshooting the sources of alerts, it may be helpful to also check the switch’ s Port Status [...]

3-19 Using the HP Web Browser Interface The Web Browser Interface Scree n Layout Using the HP Web Browser Interface Viewing Detail V iews of Alert Log Entries By double clicking on Alert Entries, the Browser Interface displays a Detail View or separate window detailing information about the events. The Detail View contains a description of the prob[...]

3-20 Using the HP Web Browser Interface The Web Browser Interface Screen Layout Using the HP Web Browser Interface The Alert Control Bar The Alert Control Bar appears at the bottom of the Alert Log and contains buttons that enable you to manage the Overview Window . Figure 3-11. The Alert Control Bar The buttons in the control bar are: ■ Refresh [...]

3-21 Using the HP Web Browser Interface The Web Browser Interface Scree n Layout Using the HP Web Browser Interface The T ab Bar The browser interface tab bar contains six tabs, four of which launch button bars which launch specific functional windows. One tab, Identity , launches a dedicated functional window with no buttons. Another tab, Support,[...]

3-22 Using the HP Web Browser Interface The Web Browser Interface Screen Layout Using the HP Web Browser Interface ■ Port Counters – displays a summary of the network activity statistics for all the switch ports, with access to de tailed port-level statistics. See page 7-8 for an image of this window . ■ Port Status – displays a summary tab[...]

3-23 Using the HP Web Browser Interface The Web Browser Interface Scree n Layout Using the HP Web Browser Interface Security T ab Figure 3-15. The Security T ab and Buttons This tab displays the Security Button Bar which contains the button that enables you view and set operator names and passwords to restrict access to your switch. The button disp[...]

3-24 Using the HP Web Browser Interface The Web Browser Interface Screen Layout Using the HP Web Browser Interface The Status Bar The Status Bar is displayed in the upper left corner of th e web browser interface screen. Figure 3-15 shows an expanded view of the status bar . Figure 3-17. The Status Bar The Status Bar consists of four objects: ■ S[...]

3-25 Using the HP Web Browser Interface The Web Browser Interface Scree n Layout Using the HP Web Browser Interface Setting Fault Detection Policy One of the powerful features in the browser interface is the Fault Detection facility . For your switch, this feature c ontrols the types of alerts reported to the Alert Log based on their level of sever[...]

3-26 Using the HP Web Browser Interface The Web Browser Interface Screen Layout Using the HP Web Browser Interface W orking W ith Fault Detection The Fault Detection screen contains a list box for setting fault detection and response policy . Y ou set the se nsitivity level at which a network problem should generate an alert and send it to the Aler[...]

4-1 Using the Switch Console 4 Using the Switch Console This chapter describes the following features: ■ overview of the switch console (page 4-1) ■ starting and ending a console session (page 4-2) ■ the Main Menu (page 4-4) ■ screen structure and navigation (page 4-6) ■ using password security (page 4-9) ■ rebooting the switch (page 4-[...]

4-2 Using the Switch Console Starting and Ending a C onsole Session Using the Switch Console Starting and Ending a Console Session Y ou can access the switch console using either: ■ a direct serial cable connection to the switch’ s console port, as described in the installation guide that came with the switch ■ through a T elnet session from [...]

4-3 Using the Switch Console Starting and Endin g a Console Session Using the Switch Console If there is any system-down information to report, the switch displays it in this step and in the console Event Log. For a description of Main Menu features, refer to “Main Menu Features” on page 4-4. How T o End a Console Session: The process of ending[...]

4-4 Using the Switch Console Main Menu Features Using the Switch Console Main Menu Features Figure 4-1. The Main Menu (manager mode) The Main Menu gives you access to these console interface features: • Status and Counters: Provides access to display screens providing information on switch and port status, network activity , the address tables, s[...]

4-5 Using the Switch Console Main Menu Features Using the Switch Console • Event Log: Enables you to read progress and error messages that are useful for checking and troubleshooting switch operation. A listing of Event Log messages is included on the CD shipped with your switch. (Refer to “Using the Event Log to Identify Problem Sources” in [...]

4-6 Using the Switch Console Screen Structure and Navigation Using the Switch Console Screen Structure and Navigation Console screens include these three elements: ■ Parameter fields and/or read-only information such as statistics ■ Navigation and configuration actions, such as Save, Edit, and Cancel ■ Help line to describe navigation options[...]

4-7 Using the Switch Console Screen Structure and Navigation Using the Switch Console T able 4-1. How T o Navigate in the Console T ask: Actions: Execute an action from the “Actions –>” list at the bottom of the screen: Use either of the fol lowing methods: • Use the arrow key s ( [<] ,or [>] ) to highlight the actio n you want to [...]

4-8 Using the Switch Console Screen Structure and Navigation Using the Switch Console T o get full screen Help. In all scre ens except the Command Prompt screen there is a Help option in the Actions line. Press [H] to select the Help action, and a separate help screen is displayed. Figure 4-3. Example Showing How T o Display Help T o get Help on th[...]

4-9 Using the Switch Console Using Password Security Using the Switch Console Using Password Security There are two levels of console acc ess: Manager and Operator . For security , you can set a password on each of these levels. The ma nager and operator passwords control access to both the web browser interface and the switch console. T o use pass[...]

4-10 Using the Switch Console Using Password Security Using the Switch Console Note If there is only a Manager password set (with no Operator password), and the Manager password is not entered correctly when the console session begins, the switch operates on the Operator level. If there are both a Manager password and an Operator password, but neit[...]

4-11 Using the Switch Console Using Password Security Using the Switch Console 2. T o set a new password: a. Select Set Manager Password or Set Operator Password . Y ou will then be prompted with Enter new password . b. T ype a password of up to 16 ASCII characters with no spaces and press [Enter] . (The passwords are case-sensitive.) c. When promp[...]

4-12 Using the Switch Console Rebooting the Switch Using the Switch Console Rebooting the Switch Rebooting the switch terminates the current console session and performs a reset of the operating system. Some of the reasons for performing a reboot include: ■ Activating certain configuration changes that require a reboot ■ Resetting statistical c[...]

4-13 Using the Switch Console Rebooting the Switch Using the Switch Console Rebooting T o Activate Configuration Changes. Configuration changes for some parameters become effective as soon as you save them. However , you must reboot the switch in order to implement any changes to the param- eters on the Console/Serial Link screen (under Switch Mana[...]

4-14 Using the Switch Console Using the Command Prom pt Using the Switch Console Using the Command Prompt In addition to the menu-based part of the console interface, und er the Diag- nostics Menu, a command-line based interface is available. The c ommands are primarily for the expert user and for diagnostics purposes. Selecting Command Prompt from[...]

5-1 Using HP TopTools To Monitor and Manage the 5 Using HP T opT ools T o Monitor and Manage the Switch Overview Y ou can manage the Switch 212M an d 224M from an SNMP-based network management station. Included with your switch is a CD-ROM containing a copy of HP T opT ools fo r Hubs & Switches , an easy to install and use network management ap[...]

5-2 Using HP TopTools To Monitor an d Manage the Switch SNMP Management Features Using HP TopTools To Monitor and Manage the SNMP Management Features SNMP management features provided by the Switch 212M and 224M include: ■ Security via configuration of SNMP co mmunities ■ Event reporting via SNMP traps and RMON ■ Managing the switch with a ne[...]

5-3 Using HP TopTools To Monitor an d Manage the Switch SNMP Configuration Process Using HP TopTools To Monitor and Manage the SNMP Configuration Process If you are using IP , you must either configure the switch with the appropriate IP address or , if you are using DHCP/Bootp to configure the switch, ensure that the DHCP/Bootp process provides the[...]

5-4 Using HP TopTools To Monitor an d Manage the Switch Advanced Management: RMON and HP Extended RMON Support Using HP TopTools To Monitor and Manage the Advanced Management: RMON and HP Extended RMON Support The switch supports RMON (Remote Monitoring) and HP Extended RMON on all connected network segments. This allows for troubleshooting and opt[...]

6-1 Configuring the Switch 6 Configuring the Switch Overview This chapter describes the switch configuration features available in both the switch console and the web browser interface. If you need information on how to operate either the web browser interface or the switch console, refer to: ■ Chapter 3, “Using the HP W eb Browser Interface”[...]

6-2 Configuring the Switch Overview Configuring the Switch Configuration Features The following table lists the configuration features available for the switch. T able 6-1. Configurable Feature Comparison Note: In the factory default configuration, the Spanning T ree Protocol (STP—which automatically blocks redundant links) is disabled. Generally[...]

6-3 Configuring the Switch Support/Manageme nt URLs Feature Configuring the Switch Support/Management URLs Feature The Support/Mgmt URLs window enables you to change the W orld W ide W eb Universal Resource Locator (URL) for two functions: ■ Support URL – a support information site for your switch ■ Management Server URL – the site for onli[...]

6-4 Configuring the Switch Support/Management URLs Feature Configuring the Switch Y ou could instead enter the URL for a local site that you use for entering reports about network performanc e, or whatever other function you would like to be able to access easily by pressing the [Support] tab. Management Server URL This is the site for two purposes[...]

6-5 Configuring the Switch IP Configuration Configuring the Switch IP Configuration The switch console screen enables you to configure the initial values for: ■ IP address, subnet mask, and (optionally) the gateway address for the switch so that it can be managed in an IP network from the web browser interface, SNMP-based network management stati[...]

6-6 Configuring the Switch IP Configuration Configuring the Switch Configuring IP Address from the W eb Browser Interface Figure 6-2. Configuring IP Addressing on the Web Browser Interface 5.Click on this to activate the changes you ma de in steps 3 and 4. 4. Enter an IP address, subn et mask, an d, if needed, the IP address of th e default gateway[...]

6-7 Configuring the Switch IP Configuration Configuring the Switch Parameter Description IP Configuration The method the sw itch uses to acquire its IP service configuratio n. • DHCP/Bootp: The switch attempts to g et its IP configuration or its complete configuration from a DHCP or Bootp server . • Manual: Enables you to manually enter the IP [...]

6-8 Configuring the Switch IP Configuration Configuring the Switch Configuring IP Address from the Switch Console Y ou can use the console to manua lly configure an IP address, subnet mask, and a gateway IP address (if needed). Or , you can use DHCP/Bootp to configure IP from a DHCP or Bootp server . (T o use the DHCP/Bootp option, you must also co[...]

6-9 Configuring the Switch IP Configuration Configuring the Switch 2. Press [E] (for E dit ). 3. Select the IP Config field and use the Space bar to select Manual . 4. Select the IP Address field and enter the IP address you want to assign to the switch. 5. Select the Subnet Mask field and enter the subnet mask for the IP address. 6. If you want to[...]

6-10 Configuring the Switch IP Configuration Configuring the Switch DHCP/Bootp Operation Overview The DHCP/Bootp switch configuration option is used to download configura- tion data from a DHCP or Bootp server to the switch. With DHCP you can have the switch automatically retrieve the IP address with no config uration required on either the switch [...]

6-11 Configuring the Switch IP Configuration Configuring the Switch DHCP Operation A significant difference between a DHCP configuration and a Bootp configu- ration is that an IP address assignment from a DHCP server is automa tic, requiring no configuration of the DHCP server . Using that automatic fe ature, though, the address is temporarily leas[...]

6-12 Configuring the Switch IP Configuration Configuring the Switch An entry in the Bootp table file /etc/bootptab to tell the switch where to obtain a configuration file download would be similar to this entry: j3299switch: ht=ether: ha=080009123456: ip=11.22.33.44: sm=255.255.248.0: gw=11.22.33.1: lg=55.66.77.88: ts=11.22.33.55: T144=”s[...]

6-13 Configuring the Switch IP Configuration Configuring the Switch Configuring DHCP/Bootp In its default configuration, the switch is configured for DHCP/Bootp opera- tion. However , if an IP address has previously been configured or if the IP Config parameter has been set to Disabled , then you will need to use this procedure to reconfigure the p[...]

6-14 Configuring the Switch IP Configuration Configuring the Switch Globally Assigned IP Network Addresses If you intend to connect your network to other networks that use glo bally administered IP addresses, Hewlett-Packard strongly recommends that you use IP addresses that have a network address assigned to you. There is a formal process for assi[...]

6-15 Configuring the Switch SNMP Communities Configuring the Switch SNMP Communities From the switch console only , you can add, edit, or delete SNMP communi- ties. Use this feature to restrict access to the switch by SNMP management stations. Y ou can configure up to five SNMP communities, each with either an operator -level or a manage r -level v[...]

6-16 Configuring the Switch SNMP Communities Configuring the Switch T o View , Edit, or Add SNMP Communities: 1. From the Main Menu, select: 2. Switch Management Access Configuration (IP , SNMP , Console)... 2. SNMP Community Names/Authorized Managers Figure 6-4. The SNMP Communities Screen (Default V alues) 2. From the Configuration screen, select[...]

6-17 Configuring the Switch SNMP Communities Configuring the Switch Figure 6-5. The SNMP Add or Edit Screen Note: In the default configuration, no manager addresses are configured. In this case, all management stations using the correct community name may access the switch with the View and Access levels configured for that community . If you want [...]

6-18 Configuring the Switch Trap Receivers Configuring the Switch T rap Receivers From the switch console only you can configure up to ten IP management stations ( trap receivers ) to receive SNMP trap packets sent from the sw itch. T r ap packets describe specific event types. (These events are the same as the log messages displayed in the event l[...]

6-19 Configuring the Switch Trap Receivers Configuring the Switch 2. Press [E] (for E dit ). The cursor moves to the Send Authentication T raps field. 3. Press the Space bar to enable ( Ye s ) or disable ( No ) sending authentication traps, then press [>] or [T ab] to move the cursor to the Address field. 4. T ype in the IP address of a network [...]

6-20 Configuring the Switch Console/Serial Link Configuring the Switch Console/Serial Link From the switch console only you can configure the following console terminal emulation and communication characteristics: ■ Enable or disable inbound T elnet access (default: enabled) ■ Enable or disable web browser interface access (default: enabled) ?[...]

6-21 Configuring the Switch Console/Serial Link Configuring the Switch Using the Switch Console T o Configure the Console/ Serial Link This screen enables you to: ■ Enable or disable inbound T elnet, and web browser interface access (identified as W eb Agen t Enabled ) ■ Modify console and serial link parameters T o Access Console/Serial Link F[...]

6-22 Configuring the Switch System Information Configuring the Switch System Information From the web browser interface and switch console you can configure basic switch management information, including system data, address table aging, and time zone parameters. Configuring System Parameters from the W eb Browser Interface In the web browser inter[...]

6-23 Configuring the Switch System Information Configuring the Switch Configuring System Information from the Console T o Access System Information: 1. From the Main Menu, select: 3. Switch Configuration... 1. Sy stem Information Figure 6-9. The Sy stem Configuration Screen (Default Values) Note: T o help simplify administration, it is recommended [...]

6-24 Configuring the Switch Port Settings Configuring the Switch Port Settings From the web browser interface and switch console you can configure the operating state for each switch port. The following table shows the settings available for e ach port type. The same parameter settings are available in both the web browser interface and the switch [...]

6-25 Configuring the Switch Port Settings Configuring the Switch Auto-Negotiation Note: This feature complies with the IEEE 802.3u Auto Negotiation standard, and is the default setting for the 10/100TX ports on the switch. Using Auto, the port automatically selects the network speed (10 or 100 Mbps) and the data transfer operation (full- or half-du[...]

6-26 Configuring the Switch Port Settings Configuring the Switch Configuring Port Parameters from the W eb Browser Interface Clicking on [Modify Selected Ports] opens up the following screen. Figure 6-10. Example of Port Configuration and Modify Selected Ports Windows on the Web Browser Interface 1. Click Here 3. Click on a port to select it for co[...]

6-27 Configuring the Switch Port Settings Configuring the Switch Configuring Port Parameters from the Switch Console T o Access Port Configuration: 1. From the Main Menu, select: 3. Switch Configuration... 2. Port Settings Figure 6-11. Example of the Port Settings Screen 2. Press [E] (for E dit ). The cursor moves to the Enabled field for the first[...]

6-28 Configuring the Switch Network Monitoring Port Features Configuring the Switch Network Monitoring Port Features From the web browser interface and switch console you can designate a port for monitoring traffic on one of the other switch ports. The monitoring is accomplished by copying all traffic from the specified monitored port to the design[...]

6-29 Configuring the Switch Network Monitoring Port Features Configuring the Switch Configuring Port Monitoring from the Switch Console T o Access Port Monitoring: 1. From the Main Menu, select: 3. Switch Configuration... 3. Network Monitoring Port Figure 6-13. Network Monitoring Port Configuration Screen 2. In the Actions menu, press [E] (for E di[...]

6-30 Configuring the Switch Spanning Tree Protocol (S TP) Configuring the Switch Spanning T ree Protocol (STP) The switch uses the IEEE 802.1d Spanning T r ee Protocol (STP), when enabled, to ensure that only one path at a time is active between any two nodes on the network. In networks where there is more tha n one physical path between any two no[...]

6-31 Configuring the Switch Spanning Tree Pro tocol (STP) Configuring the Switch Enabling STP from the W eb Browser Interface This procedure enables or disables STP on the switch . Figure 6-14. Device Features Screen for Enabling S panning T ree 3. T o en able or disabl e STP , click on the drop-down menu, and click on your selection (On or Off) . [...]

6-32 Configuring the Switch Spanning Tree Protocol (S TP) Configuring the Switch Using the Switch Console T o Configure STP In most cases, the default STP parameter settings are adequate. In cases where they are not, use this procedure to make configuration changes. Caution If you enable STP , it is recommended that you leave the remainder of the S[...]

6-33 Configuring the Switch Spanning Tree Pro tocol (STP) Configuring the Switch 4. If the remaining STP parameter settings are correct for your network, go to step 7. 5. Use [T ab] or the arrow keys to select the next parameter you want to change, then type in the new value. (If you need information on STP parameters, press [Enter] to select the A[...]

6-34 Configuring the Switch IP Multicast (IGMP) Service Features— Multimedia Traffic Control Configuring the Switch IP Multicast (IGMP) Service Features— Multimedia T raffic Control In a network where IP multicast traffic is transmitted for various multimedia applications, you can use the switch to reduce unnecessary bandwidth usage on a per -p[...]

6-35 Configuring the Switch IP Multicast (IGMP) Service Features—Mul time dia Traffic Control Configuring the Switch Configuring IGMP from the W eb Browser Interface Figure 6-17. Configuring IGMP from the Web Browser Interface 1. Click Here 2. Cl ick Here 3. T o en able or disabl e IGMP , click on the drop-down menu, and click on your selection ([...]

6-36 Configuring the Switch IP Multicast (IGMP) Service Features— Multimedia Traffic Control Configuring the Switch Using the Switch Console T o Configure IGMP In the factory default configuration, IGMP is disabled. When you use either the console or the web browser interface to ena ble IGMP on the switch, the switch forwards IGMP traffic only to[...]

6-37 Configuring the Switch IP Multicast (IGMP) Service Features—Mul time dia Traffic Control Configuring the Switch T o Access IGMP Service: Use this procedure to config ure or edit the IGMP settings for the switch. 1. From the Main Menu, select: 3. Switch Configuration 5. Advanced Features 1. IP Multicast (IGMP) Service Figure 6-18. Example of [...]

6-38 Configuring the Switch IP Multicast (IGMP) Service Features— Multimedia Traffic Control Configuring the Switch 8. When you are finished configuring the IP Mcast parameter for the dis- played ports, press [En ter] and [S] (for S ave ) to activate the changes you’ve made to the IGMP configuration and return to the Advanced Fea tures menu. (I[...]

6-39 Configuring the Switch IP Multicast (IGMP) Service Features—Mul time dia Traffic Control Configuring the Switch Role of the Switch When IGMP is enabled on the switch, it examines the IGMP packets it receives: ■ T o learn which of its ports are linked to IGMP hosts and multicast routers/ queriers belonging to any multicast g roup ■ T o be[...]

6-40 Configuring the Switch IP Multicast (IGMP) Service Features— Multimedia Traffic Control Configuring the Switch Figure 6-19. The Advantage of Using IGMP The next figure (6-20) shows a network running IP multicasting using IGMP without a multicast router . In this case, the IGMP-configured switch runs as a querier . PCs 2, 5, and 6 are members[...]

6-41 Configuring the Switch IP Multicast (IGMP) Service Features—Mul time dia Traffic Control Configuring the Switch Figure 6-20. Isolating IP Multicast T raffic in a Network ■ In the above figure, the multicast group traffic does not go to switch 1 and beyond because either the port on switch 3 that connects to switch 1 has been configured as [...]

6-42 Configuring the Switch IP Multicast (IGMP) Service Features— Multimedia Traffic Control Configuring the Switch Number of IP Multicast Addresses Allowed The total number of IGMP filters (addresses) allowed in the switch is 255. Changing the Querier Configuration Setting The Querier feature, by default, is enabled and in most cases should be l[...]

6-43 Configuring the Switch IP Multicast (IGMP) Service Features—Mul time dia Traffic Control Configuring the Switch 1. From the console Main Menu, select: 3. Switch Configuration 5. Advanced Features 1. IP Multicast (IGMP) Service IGMP Service configuration screen similar to figure 6-1 8 on page 6-37 is displayed. 2. In the IGMP Service screen, [...]

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7-1 Monitoring and Analyzing Switch Operation 7 Monitoring and Analyzing Switch Operation Overview Y ou can use the switch console (a nd, in some cases, the web browser inter- face) to access read-only status and counter information to help you monitor , analyze, and troubleshoot switch operation. This chapter describes the status and counters scre[...]

7-2 Monitoring and Analyzing Switch Operation Switch Console Status and Counters Menu Monitoring and Analyzing Switch Operation Switch Console Status and Counters Menu T o display the switch console Status and Counters menu, from the console Main Menu select: 1. Status and Counters Figure 7-1. The Status and Counters Menu Each of the above menu ite[...]

7-3 Monitoring and Analyzing Sw itch Operation General System Information Monitoring and Analyzing Switch Operation General System Information T o access this screen from the console Main Menu, select: 1. Status and Counters 1. General Sy stem Information Figure 7-2. Example of General Switch Information This screen dynamically indicates how indivi[...]

7-4 Monitoring and Analyzing Switch Operation Switch Manageme nt Address Information Monitoring and Analyzing Switch Operation Switch Management Address Information T o access this screen from the Main Menu, se lect: 1. Status and Counters 2. Switch Management Address Info rmation Figure 7-3. Example of Management Address Information This screen di[...]

7-5 Monitoring and Analyzing Sw itch Operation Port Status Monitoring and Analyzing Switch Operation Port Status The web browser interface and the switch console show the same port status data. Displaying Port Status from the W eb Browser Interface Figure 7-4. Example of Port Status on the Web Browser Interface 1. Click he re 2. Click he re Sraswb.[...]

7-6 Monitoring and Analyzing Switch Operation Port Status Monitoring and Analyzing Switch Operation Displaying Port Status from the Switch Console T o access this screen from the Main Menu, clic k on: 1. Status and Counters 3. Port Status Figure 7-5. Example of Port Status on the Console Interface Sraswb.book : SIER_SW7.FM Page 6 Tuesday, June 30, [...]

7-7 Monitoring and Analyzing Sw itch Operation Port Counters Monitoring and Analyzing Switch Operation Port Counters The web browser interface and the switch console show the same port counter data. These screens enable you to determine the traffic patterns for each port. Port Counter features include: ■ Dynamic display of counters summarizing th[...]

7-8 Monitoring and Analyzing Switch Operation Port Counters Monitoring and Analyzing Switch Operation Displaying Port Counters from the W eb Browser Interface Clicking on the [Details for Select Port] butto n displays the next screen. Figure 7-6. Example of Port Counters and Details on the Web Browser Interface 1. Click here 2. Click he re 3. T o v[...]

7-9 Monitoring and Analyzing Sw itch Operation Port Counters Monitoring and Analyzing Switch Operation Displaying Port Counters from the Console Interface T o access this screen from the Main Menu, clic k on: 1. Status and Counters 4. Port Counters Figure 7-7. Example of Port Counters on the Console Interface T o view details about the traffic on a[...]

7-10 Monitoring and Analyzing Switch Operation Port Counters Monitoring and Analyzing Switch Operation Figure 7-8. Example of the Display for Show details on a Selected Port This screen also includes the Reset action. Refer to the note on page 7-7. Sraswb.book : SIER_SW7.FM Page 10 Tuesday, June 30, 1998 12:20 PM[...]

7-11 Monitoring and Analyzing Sw itch Operation Address Table Monitoring and Analyzing Switch Operation Address T able T o access the Address T able screen from the Main Menu, click on: 1. Status and Counters 5. Address T abl e Figure 7-9. Example of the Address T able This screen lets you determine which switch port is being used to communi- cate [...]

7-12 Monitoring and Analyzing Switch Operation Port Address Table Monitoring and Analyzing Switch Operation Port Address T able This screen lets you determine which devices are attached to the selected switch port by listing all of the MAC addresses detected on that port. T o access the port address table: 1. From the Main Menu click on: 1. Status [...]

7-13 Monitoring and Analyzing Sw itch Operation Port Address Table Monitoring and Analyzing Switch Operation Figure 7-11. Example of a Port Address T able for a Specific Port Use th e S earch action at the bottom of the screen to determine whether a specific device (MAC address) is connected to the selecte d port. In this exampl e, several MAC addr[...]

7-14 Monitoring and Analyzing Switch Operation Spanning Tree (STP) Inform ation Monitoring and Analyzing Switch Operation Spanning T ree (STP) Information T o access the Spanning T ree Information screen from the Main Menu, clic k on: 1. Status and Counters 7. Spanning T ree Information STP must be enabled on the switch to display the following dat[...]

7-15 Monitoring and Analyzing Sw itch Operation Spanning Tree (STP) Inform ation Monitoring and Analyzing Switch Operation Y ou can use the S how ports action at the bottom of the screen to display port- level information and parameter se ttings for each port in the switch (including port type, cost, priority , operating state, and designated bridg[...]

7-16 Monitoring and Analyzing Switch Operation IP Multicast (IGMP) Status Monitoring and Analyzing Switch Operation IP Multicast (IGMP) Status T o access this screen from the Main Menu, clic k on: 1. Status and Counters 8. Advanced Features Status 1. IP Multicast (IGMP) Status This screen identifies the active IP multicast groups the switch has det[...]

7-17 Monitoring and Analyzing Sw itch Operation IP Multicast (IGMP) Status Monitoring and Analyzing Switch Operation Y ou can also display the port status of the individual multicast groups. (That is, you can display the ports, port types, and whether the IGMP devices connected to the switch via the port are hosts, routers, or both.) T o do so, sel[...]

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8-1 Troubleshooting 8 T roubleshooting This chapter addresses performance-related network problems that can be caused by topology , switch configuration, and the effects of other devices or their configurations on switch operation. (For switch -specific information on hardware problems indicated by LED behavior , cabling re quirements, and other po[...]

8-2 Troubleshooting Troubleshooting Approaches Troubleshooting T roubleshooting Approaches There are six primary ways to diagnose sw itch problems: ■ Check the switch LEDs for indications of proper behavior: • Each switch port has a Link LED that should light whenever an active network device is connected to a the port. • Problems with the sw[...]

8-3 Troubleshooting Web Browser Interfac e or Switch Console Access Problems Troubleshooting W eb Browser Interface or Switch Console Access Problems Cannot access the web browser interface: ■ Access may be disabled by the W e b Agent Enabled parameter in the switch console. On the switch console, go to the Switch Management Access Configuration [...]

8-4 Troubleshooting Unusual Network Activity Troubleshooting Unusual Network Activity Network activity that exceeds accepted norms often indicates a hardware problem with one or more of the network components, possibly including the switch. Unusual network activity is usually indicated by the LEDs on the front of the switch or as indicated by measu[...]

8-5 Troubleshooting Unusual Network Activity Troubleshooting The Switch Has Been Configured for DHCP/Bootp Operation, But Has Not Received a DHCP or Bootp Reply . When the switch is first config- ured for DHCP/Bootp operation, or if it is rebooted with this configuration, it immediately begins sending request packets on the network. If the switch d[...]

8-6 Troubleshooting Using the Event Log to Identify Problem S ources Troubleshooting Using the Event Log to Identify Problem Sources The Event Log records operating events as single-line entries li sted in chrono- logical order , and serves as a tool for isolating prob lems. Each Event Log entry is composed of five fields: Severity is one of the fo[...]

8-7 Troubleshooting Using the Event Log to Identify Problem Sources Troubleshooting T able 8-2. Event Log Sy stem Modules Entering and Navigating in the Event Log Display . From the Main Menu, select 4. Event Log . Figure 8-1. Example of an Event Log Display Sy stem Module Description Sy stem Module Description addrMgr Address table mgr Console man[...]

8-8 Troubleshooting Using the Event Log to Identify Problem S ources Troubleshooting T o display various portions of the Event Log, either preceding or following the currently visible portion, use either the actions listed at the bottom of the display ( Next page , Prev page , or End ), or the keys d escribed in the following table: T able 8-2. Eve[...]

8-9 Troubleshooting Diagnostics Troubleshooting Diagnostics The switch’ s diagnostic tools include the following: Ping and Link T ests The Ping test and the Link test are point-to-point tests between your switch and another IEEE 802.3-compliant device on your network. These tests can tell you whether the switch is communicating properly with anot[...]

8-10 Troubleshooting Diagnostics Troubleshooting Executing Ping or Link T ests from the W eb Browser Interface Figure 8-3. Ping and Link T est Screen on the Web Browser Interface Successes indicates the number of Ping or Link packets that successfully completed the most recent test. Failures indicates the number of Ping or Link packets that were un[...]

8-11 Troubleshooting Diagnostics Troubleshooting Executing Ping or Link T ests from the Switch Console 1. From the console Main Menu, select: 5. Diagnostics . . . 1. Link T est or 2. Ping T est Figure 8-4. Examples of Link T est and Ping T est Screens 2. Do one of the following: a. For a Link test, enter the MAC address of the target device. (This [...]

8-12 Troubleshooting Diagnostics Troubleshooting The console displays the result of each test. For e xample, if a Link test succeeds, you will see Linktest Command Successful. If the Link test fails, you will see Linktest Command T imed out. If a Ping test succeeds, you will see a message indicating the target IP address is “alive”, along with [...]

8-13 Troubleshooting Diagnostics Troubleshooting The Configuration File The complete switch configuration is contained in a file that you can browse from either the web browser interface or the switch console. It may be useful in some troubleshooting scenarios to view the switch configuration. Browsing the Configuration File from the W eb Browser I[...]

8-14 Troubleshooting Diagnostics Troubleshooting Browsing the Configuration File from the Switch Console T o use the switch condole to display th e configuration file that is currently saved: 1. From the console Main Menu, select: 5. Diagnostics 3. Browse Configuration File Figure 8-6. Example of the Browse Configuration Display 2. When -- MORE -- [...]

8-15 Troubleshooting Diagnostics Troubleshooting Using the Command Prompt In addition to the menu-based part of the switch console, under the Diagnos- tics Menu, a command-line based interface is available. The commands are primarily for the expert user and for diagnostics purposes. Selecting Command Prompt from the Diagnostics Menu presents a comm[...]

8-16 Troubleshooting Restoring the Factory Default C onfiguration Troubleshooting Restoring the Factory Default Configuration As part of your troubleshooting process, it may become necessary to return the switch configuration to the factory default settings. This process momen- tarily interrupts the switch operation, clears any passwords, clears th[...]

A-1 File Transfers A File T ransfers Overview Y ou can download new switch software (operatin g system—OS) and upload or download switch configuration files. These features are useful for acquiring periodic switch software upgrades and for storing or retrieving a switch configuration. This appendix includes the following information: ■ Download[...]

A-2 File Transfers Downloading an Operating System (OS) File Transfers Using TF TP T o Download the OS File This procedure assumes that: ■ An OS file for the switch has been stored on a TF TP server accessible to the switch. (The OS file is typically available from HP’ s electronic ser- vices—see the Customer Support/W arranty b ooklet shippe[...]

A-3 File Transfers Downloading an Opera ting System (OS) File Transfers 3. Ensure that the Method field is set to TF TP (the default). 4. In the TF TP Server field, type in the IP address of the TF TP server in which the OS file has been stored. 5. In the Remote File Name field, then type the name of the OS file. If you are using a UNIX system, rem[...]

A-4 File Transfers Downloading an Operating System (OS) File Transfers Using Xmodem to Download the OS File This procedure assumes that: ■ The switch is connected via the Console port to a PC operating as a terminal. (Refer to the Installation Guide you received with the switch for information on connecting a PC as a terminal and running the swit[...]

A-5 File Transfers Downloading an Opera ting System (OS) File Transfers Using the SNMP-Based HP Download Manager Included with your switch is the HP T opT ools for Hubs & Switches CD ROM. The HP Download Manager is included with HP T opT ools and enables you to initiate a firmware (OS) download over the netw ork to the switch. This capability a[...]

A-6 File Transfers Troubleshooting TFTP Down loads File Transfers T roubleshooting TF TP Downloads If a TF TP download fails, the Download OS screen indicates the failure. Figure 8-3. Example of Message for TF TP Download Failure T o find more information on the cause of a download failure, examine the messages in the switch’ s Event Log. (See ?[...]

A-7 File Transfers Troubleshooting TFTP Downlo ads File Transfers ■ Another console session (through either a direct connection to a terminal device or through T elnet) was already running when you started the session in which the download was attempted. Note If an error occurs in which normal switch operation cannot be restored, the switch autom[...]

A-8 File Transfers Transferring Switch Configurations File Transfers T ransferring Switch Configurations Y ou can use the follow ing commands to transfer Switch 212M and Switch 224M configurations between the switch and a PC or Unix wo rkstation. Note Get or Xget overwrites the switch’ s current configuration with the down- loaded configuration. [...]

A-9 File Transfers Transferring Sw itch Configurations File Transfers 2. At the command prompt, execute the following commands: T o upload a configuration to a file on a PC or Unix workstation: put IP_address CONFIG remote_file T o download a configuration from a file on a PC or Unix workstation: get IP_address CONFIG remote_file where: IP address [...]

A-10 File Transfers Transferring Switch Configurations File Transfers Using XGet and XPut T o T ransfer a Configuration Between the Switch and a PC or Unix W orkstation The PC or workstation must be operating as a VT100 or ANSI terminal and connected directly to the switch’ s console port. Also, the PC or workstation must be running an Xmodem-com[...]

B-1 MAC Address Management B MAC Address Management Overview From the factory , the switch is assigned a block of MAC addresses: ■ for network management functions, a base MAC address is assigned to the switch ■ for internal switch operations, one MAC address is assigned to each switch port Determining the MAC Addresses Y ou can use the switch [...]

B-2 MAC Address Management Determining the MAC Addresses MAC Address Management Base MAC Address The switch’ s base MAC address is displayed on a sticker on the back of the switch. Y ou can also use the switch console to display the switch’ s base MAC address. From the console Main Menu, select: 1. Status and Counters 2. Switch Management Addre[...]

B-3 MAC Address Management Determining the MAC Addresses MAC Address Management Switch Port MAC Addresses The MAC address assigned to each switch port is used internally by such features as Flow Control, and the Spanning T ree Protocol. Determining the MAC address assignments for individual ports can be useful when diagnosing switch operation. T o [...]

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Index – 1 Index Index A access manager … 6-15 operator … 6-15 Actions line location on screen … 4-6 actions, console … 4 -7 active button … 3-13 active path … 6-30 active tab … 3-13 address aging … 6-22 address table port … 7-11 address, manager … 6-15, 6 -17 Alert Log … 3-13, 3-16 alert types … 3-18 Control Bar … 3-13 c[...]

2 – Index Index console browsing the configuration file … 8-14 configuration … 6-20 ending a session … 4-3 help … 4-8 interaction with the web browser interface … 4-1 Main menu … 4-4 navigation … 4-7 operation … 4-7 overview … 4-1 Ping and link testing … 8-11 resetting the switch … 4-12 starting a session … 4-2 status and [...]

Index – 3 Index Help line about … 4-6 location on screens … 4-6 History command … A-7 HP proprietary MIB … 5-2 HP TopTools for Hubs & Switches … 5-1 managing the switch with … 5-2 I IEEE 802.1d … 6-30, 6-32 IGMP … 6-34 configuring … 6-36, 6-38 console configuration … 6-37 example … 6-39 – 6-40 forward with high priorit[...]

4 – Index Index O online help location, specifying for web browser interface … 6-4 operator access … 6-15 operator mode console … 4-10 web browser interface … 3-8 operator password … 4-11 actions permitted … 4-9 configuring … 4-11 for web browser interface access … 3-8 setting … 4-11 OS version … A-3 – A-5 OS download erases[...]

Index – 5 Index Reset button … 8-8 restoring factory default configuration … 8-16 reset port counters … 7-7 resetting the switch erases the Event Log … 8-8 factory default reset … 8-16 from the console … 4-12 restricted access, SNMP … 6-15 restricted write access … 6-15 RFC 1213 … 5-2 RFC 1493 … 5-2 RFC 1515 … 5-2 RFC 1573 ?[...]

6 – Index Index switch console browsing the configuration file … 8-14 ending a session … 4-3 help … 4-8 interaction with the web browser interface … 4-1 Main menu … 4-4 navigation … 4-7 overview … 4-1 Ping and link testing … 8-11 resetting the switch … 4-12 starting a session … 4-2 status and counters access … 4-4 switch man[...]

Index – 7 Index utilization, port … 3-14 V version, OS … A-3 – A-5 VT100 terminal, for the console … A-10 W web browser interface access parameters … 3-7 active button … 3-13 active tab … 3-13 advantages … 1-2 Alert Log … 3-13, 3-16 Alert Log control bar … 3-13 Alert Log header bar … 3-13 browsing the configuration file … [...]

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Printed in Singa pore 6/9 8 Manual Part Nu mber 5967 -2146 *5967-2146* T echnical information in this document is subject to change without notice. ©Copyri ght Hewlett-Packard Company 1998. All rights reserved. Reproduction, adaptation, or translation without prior written permission is prohibited except as allowed under the copyright laws. Le ss [...]