Virtual Lans Vlans | 3Com 9100 manual

80CHAPTER 4: VIRTUAL LANS (VLANS)

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3Com 9100 manual Virtual Lans Vlans

Contents

SuperStack Switch User Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Installation and Setup Virtual Lans Vlans Forwarding Database FDB Quality of Service QOS Using the WEB Interface Technical Specifications Troubleshooting Page Ethernet concepts Ethernet switching and bridging concepts About this Guide Conventions Icon DescriptionConvention Description Screen displays Related DocumentationYear Compliance About this Guide Switch 9100 Overview SwitchFeatures About Simple Network Management Protocol Snmp For information on load sharing, refer to Chapter Virtual LANs VLANs Configuration Quality of Service QoSNetwork Example Switch 9100 used in a backbone configuration Key Ports Front panel has the following featuresView Describes the LED behavior on the Switch LEDsStandard Media Type Mhz/Km Rating Maximum Distance Color Indicates 1000BASE-SX Port Status LEDs Unit Status LED Switch 9100 Rear shows the Switch 9100 rear viewColor Indicates 100/1000BASE-TX Port Status LEDs Power Sockets Reset ButtonSerial Number MAC Address Public Location Installation and SetupDetermining Rack Mounting InstallingTabletop Installing the Switch 9100 Connecting Equipment to the Console Port Function Pin Number Direction Switch Installation Flashes until the switch has successfully passed the Post Default Vlan named default Login adminLogging on for First Time Installation and Setup Accessing the Switch Accessing the Switch You could enter the following shortcut Be a range of numbers, for example Symbol Description Config vlan name ipaddress ipaddressConfig snmp community readonly readwrite string Reboot date time cancel Create account admin user username encrypted password Line-Editing Keys Command Description Disable bootp vlan name all Disable cli-config-loggingDisable clipaging Disable idletimeout Configuring Management Access Unconfig switch allShow banner 3C177052 3C1770519# Changing the Default PasswordAccount Name Access Level Show accounts Create account admin user username encryptedViewing Accounts Methods Managing Switch Using AccessProfiles Deleting an Account Config access-profile accessprofile Access Profile Example To view the contents of an access profile, type Using Telnet To view the Telnet configuration, typeConnecting to Another Host Using Telnet Using a Bootp Server Manually Configuring the IP Settings Config vlan name ipaddress ipaddress subnetmask Config iproute add default ipaddress metricFor example Your changes take effect immediately Clear session sessionnumber Terminate the session by using the following commandShow session Commands Using the WebOn the switch IP Host Using Snmp Accessing SwitchAgents Supported MIBs Enable Snmp access Enable Snmp traps Command Ping command syntax is Options for the ping command are described in TableChecking Basic Connectivity Switch 9100 Ports Configuring Switch Port Speed Duplex SettingEnabling Disabling Enable learning ports portlist Enable ports portlistEnable sharing masterport Config ports portlist qosprofile Disable learning ports portlist Disable ports portlistDisable sharing masterport Show ports portlist txerrors Accessing the Switch Enable sharing 4 grouping Configuration Port-MirroringVerifying the Load Sharing Commands Disable mirroringExample Show mirroring Accessing the Switch VLANs help to control traffic VLANs provide extra security Igmp Snooping Igmp OverviewVLANs ease the change and movement of devices Forward-mcrouter-only Forward-mcrouter-only is specified, Enable igmp vlan nameEnable igmp snooping Types of VLANs Port-Based VLANs Spanning Switches with Port-Based VLANs Marketing Finance Sales Switch AccountingEngineering Uses of Tagged VLANs Assigning a Vlan Tag Shows a logical diagram of the same network Tagged Ports Mixing Port-Based and Tagged VLANs Following protocol filters are predefined on the switch NetBIOS DECNet IPX8022Predefined Protocol Filters AppleTalk Create protocol protocolname Config protocol protocolname add protocoltype HexvalueDefining Protocol Filters Packets Over Protocol Vlan NamesDeleting a Protocol Filter Configuring VLANs On the Switch 6 to it Show vlan name Displaying Vlan SettingsTo display Vlan settings, use the following command Deleting VLANs Virtual Lans Vlans Forwarding Database FDB Associating a QoS Profile with an FDB Entry Config fdb agingtime number Disable learning portsEntries Following example adds a permanent entry to the FDB Show fdb macaddress vlan name portlist Permanent To display FDB entries, use the commandDisplaying FDB Entries Name Clear fdb macaddress vlan name portlist Removing FDBDelete Fdbentry macaddress vlan Forwarding Database FDB Spanning Tree Protocol STP OverviewSpanning Tree Protocol Network with an illegal topology Initialization Traffic flowing through Bridge B Stabilization ReconfigurationDomains STPD2 contains VLANs Manufacturing and Engineering Stpd Marketing & Sales Marketing, Sales & Engineering Configuring STP on the Switch Config stpd stpdname add vlan nameEnable stpd stpdname Create stpd stpdname Shows the commands used to configure STP Enable stpd port portlist Through 3, and port SettingsDisplaying STP Resetting STP Listed in Table Spanning Tree Protocol STP Building Blocks Quality of Service QOSQuality of Service QoS Profiles Profile Name Priority Minimum Bandwidth Maximum Bandwidth Vlan Permanent MAC addresses Dynamic MAC Addresses Command to clear the FDB is as follows Verifying MAC-Based QoS SettingsOr the command Blackhole Config dot1p type dot1pvalue qosprofile qosname Enable dot1p replacement ports portlist all802.1p Packets Physical and Logical Groupings Source Port Verifying Physical and Logical Groupings Show ports portlist qosmonitor Verifying Configuration PerformanceDisplaying QoS Information QoS Monitor Enable qosmonitor port port Disable qosmonitor Configuring QoS Quality of Service QOS Status Monitoring Statistics Show log config Show switchShow log priority Show memory Accuracy To view port statistics, use the following commandPort Statistics To view port receive errors, use the following command Port ErrorsTo view port transmit errors, use the following command Logging Port MonitoringDisplay Keys Is specific to the problem Where the following is trueLevel Description Clear log static Real-Time Display To configure the log display, use the following commandConfigure remote logging by using the following command Disable log display Disable syslog Rmon features supported by the switch On the networkAllows you to monitor LANs remotely Clear Counters History AlarmsStatistics Events Improving EfficiencyAllowing Proactive Management Reducing the Traffic Load Rmon Group Support Supplied by the Switch Statistics AlarmsHistory Events Enable disable rmon Action High Threshold Status Monitoring and Statistics To re-enable Web access, use the following command Using the WEB InterfaceEnabling Disabling Web Access Browser Setting Up YourAccessing the Web Webserver busy Navigating the Web InterfaceTask Frame Selection Type Key Sequence Browser ControlsStatus Messages Do a Get When Configuring a VlanSaving Changes Using the WEB Interface Software Upgrade and Boot Options Secondary image and configuration file on the switchDownloading a New Image Changes Rebooting the SwitchSaving Upgrading Software Upgrade and Boot Options Boot Option Show configurationCancel option Save configuration primary Software Upgrade and Boot Options Safety Information Important Safety Information Lithium Battery Appendix a Safety Information ’information de Sécurité Importante Appendix a Safety Information Batterie au lithium Wichtige Sicherheitsinformat ionen Europe Warnung Faseroptikanschlüsse Optische Sicherheit Lithiumbatterie Appendix a Safety Information Technical Specifications Protocols Used for Administration Terminal Emulation Troubleshooting LEDs Using Command-Line Interface Switch does not power upSnmp Network Manager cannot access the device Telnet workstation cannot access the device Traps are not received by the Snmp Network Manager Permanent entries remain in the FDB Excessive RX CRC errors You forget your password and cannot logPort Configuration No link light on 100/1000BASE-TX port No link light on Gigabit fiber port VLANs You cannot add a port to a Vlan 802.1Q links do not work correctly VLANs, IP Addresses and default routesVlan names Using the Command-Line Interface Appendix C Troubleshooting Online Technical ServicesTechnical Support Access by Analog Modem Username anonymousHours a day, 7 days a week Country Data Rate Telephone Number 408 727 Access by Digital Modem847 262 Europe, South Africa, and Middle East Country Telephone Number Asia, Pacific Rim Country Telephone Number Fax Number Page Glossary Bridge BroadcastBroadcast storm Collision Glossary IP address LatencyLine speed Loop Port trunks See load sharing Repeater Resilient linkRouter Segment Switch Switch DatabaseStandby port Telnet Glossary Numbers AdminIndex FDB Rmon Tftp Index Index Index of Commands 118 Index of Commands Index of Commands 3Com Corporation Limited Warranty Warranties Exclusive Governing LAW EMC Statements