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Cisco Systems RJ-45-to-AUX manual Viewing the Vlan Configuration on a CLI−Based IOS, 325

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Protocols Configured:	Address:	Received:	Transmitted:
IP	68.127.187.10	95563219847	81294682
Virtual LAN ID: 2 (Inter Switch Link Encapsulation)
vLAN Trunk Interface:	FastEthernet1/0.2
Protocols Configured:	Address:	Received:	Transmitted:
IP	68.127.186.1	855147	854281
Catalyst5002>

Viewing the VLAN Configuration on a CLI−Based IOS

To view the VLAN configuration on a CLI−based IOS switch, use the show vlan command. Let’s look at the command, its optional syntax, and an example of its output:

1912EN#show vlan ?
	<1−1005> ISL VLAN index
	<cr>
1912EN#show vlan
VLAN Name			Status	Ports
————————————————————————————————————
1	default		Enabled	6−12, AUI, A, B
2	Engineers		Enabled	1−3
3	Admins		Enabled	4−5
1002		fddi−default	Suspended
1003		token−ring−defau	Suspended
1004		fddinet−default	Suspended
1005		trnet−default	Suspended

————————————————————————————————————
VLAN Type	SAID MTU Parent RingNo BridgeNo Stp Trans1 Trans2

—————————————————————————————————————————————————————————————————————————

1	Ethernet	100001 1500	0	0	0	Unkn 1002	1003
2	Ethernet	100002 1500	0	0	0	Unkn 1002	1003
3	Ethernet	100003 1500	0	0	0	Unkn 1002	1003
10	Ethernet	100010 1500	0	0	0	Unkn 1002	1003
1002	FDDI	101002 1500	0	0	0	Unkn 1	1003
1003	Token−Ring	101003 1500	1005	1	0	Unkn 1	1002
1004	FDDI−Net	101004 1500	0	0	1	IEEE 0	0
1005	Token−Ring−Net 101005 1500		0	0	1	IEEE 0	0

—————————————————————————————————————————————————————————————————————————

1912EN#

Viewing the Spanning Tree Configuration on a Set/Clear Command−Based IOS

The show spantree command on the Set/Clear command−based IOS can be used to obtain configuration information and statistics on STP. You can use the command to view by VLAN number, module number, and module. You can also specify to see only active interfaces. Let’s take a look at the command, its optional syntaxes, and an example of its output:

show spantree [VLANmodule number/port][active]

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Cisco Systems RJ-45-to-AUX manual Viewing the Vlan Configuration on a CLI−Based IOS, 325

Contents

Page Table of Contents Basic Switch Configuration Axis Bus Catalyst Crescendo ArchitecturePhoenix Asic IiiLCP Sage Asic QTP Asic Qmac 101 100102 103114 Vii Viii Depth 160 ATM Overview161 Depth 199 Layer 2 Switching Overview 235 Vlan IDMultilayer Switching Xii Xiii Depth 309 Hardware Troubleshooting No Power345 341347 Xiv359 Limits of Liability and Disclaimer of Warranty Cisco Switching Black BookTrademarks President and CEOProduct Marketing Manager Acquisitions EditorProject Editor Technical ReviewerAbout the Authors Jeff Duntemann VP and Editorial DirectorAcknowledgments Sean OdomThanks for buying the Cisco Switching Black Book How to Use This BookIntroduction OverviewBlack Book Philosophy Depth Network Switching FundamentalsPhysical Media and Switching Types Networking Architectures Bit of HistoryPeer−to−Peer Networking Model Client/Server Network Model Pieces of TechnologyHubs RepeatersBridges Page Routers SwitchesNetwork Design Collision Domains Broadcast Domains Why Upgrade to Switches?Unshielded Twisted−Pair Cable Network Utilization Properly Switched NetworksStore−and−Forward Switching Switched ForwardingCut−Through Switching FragmentFree SwitchingCombining Switching Methods Switched Network BottlenecksNon−Blocking Switch vs. Blocking Switch Internal Route Processor vs. External Route Processor Rule of the Network RoadFast Ethernet Switched Ethernet InnovationsFull−Duplex Ethernet Gigabit Ethernet Avoiding Fork−Lift UpgradesCisco IOS Subinterfaces Connecting to the SwitchPowering Up the Switch Following commands are available in Privileged Exec mode Today’s Trend ChallengesEntering and Exiting Global Configuration Mode Entering and Exiting Privileged Exec ModeEntering and Exiting Interface Configuration Mode Entering and Exiting Subinterface Configuration ModeSaving Configuration Changes Command−Line Interfaces Basic Switch ConfigurationQueuing Campus Hierarchical Switching ModelDistribution Layer Access LayerCore Layer Remote Network MonitoringConnecting to the Console Port Console Cable Pinouts Rollover cable RJ−45−to−RJ−45 pinouts Console ConnectorsRJ−45−to−AUX Port Console Connector Pinouts Out Pin Signal Input/OutputDTE connectors for an RJ−45 to a DB−25 female DB−25−to−DB−9 connector pinouts Signal Switch IOSsIOS Configuration Modes Configuring an IOS−Based CLI Switch Limiting Telnet AccessConfiguring Passwords Implementing Privilege LevelsSetting Privilege Levels Setting the Login PasswordsAssigning Allowable Commands Setting the Console Port Time−out ValueConfiguring the Hostname Configuring the Telnet Time−out ValueConfiguring the Date and Time Configuring an IP Address and NetmaskConfiguring Port Speed and Duplex Configuring a Set/Clear−Based CLI SwitchLogging On to a Switch Enabling Snmp Contact∙ You are now in Privileged Exec mode Setting the Login and Enable PasswordsChanging the Console Prompt HelpEntering a Contact Name and Location Information Configuring System and Time InformationTo configure a Slip interface, enter the following Viewing the Default Routes Enabling Snmp Configuring Trap Message TargetsConfiguring a Menu−Driven IOS Configuring Telnet Configuring the Console PortConfiguring the Password Configuring an IP Address and Default GatewayConfiguring Snmp Entering ROM Configuration Mode Configuring ROMBooting ROM Mode from a Flash Device DeviceConfiguring Rmon on a Set/Clear−Based Interface Configuring RmonUsing IOS−Based Command Editing Keys and Functions Using Set/Clear Command Set Recall Key SequencesPage WAN Switching WAN Transmission Media Synchronous Transport Signal STS MGX 8200 Series Cisco WAN SwitchesIGX 8400 Series BPX 8600 Series Wide−Area SwitchesMGX 8800 Series Wide−Area Edge Switches WAN Switch Hardware OverviewCisco WAN Switch Network Topologies WAN Manager Network ManagementCLI Displaying a User’s Password Accessing and Setting Up IGX and BPX SwitchesChanging a User’s Password Adding New UsersDisplaying the Power and Temperature of a Switch Using the History CommandConfiguring the ASM Setting for BPX Resetting the SwitchSetting the Switch Name Displaying Other SwitchesSetting the Time Zone Configuring the Time and DateChanging Passwords Accessing the MGX 8850Assigning a Switch Hostname Use the command cnfname to assign a hostname for the switchDisplaying Detailed Information for the Current Card Displaying a Summary of All ModulesChanging the Time and Date Displaying the IP AddressDisplaying the Alarm Level of the Switch Configuring the IP InterfaceCatalyst Crescendo Architecture LAN Switch ArchitecturesSingle BUS vs. Crossbar Matrix ASICsInput Queuing Output Queuing∙ Synergy Advanced Multipurpose Bus Arbiter Samba Asic Earl Asic placement on the Crescendo architectureCrescendo Logic Units Crescendo ProcessorsAxis Bus Other Cisco Switch Processors, Buses, ASICs, and Logic UnitsDCEF CEF AsicCEF Search Engine Adjacency TableCisco Express Forwarding Asic components Phoenix AsicConnected to the Qmac Asic Bridging TypesSource Route Bridging Source Route Transparent Bridging Source Route SwitchingSource Route Translational Bridging Transparent BridgingFast Switching Switching PathsProcess Switching Silicon Switching Autonomous SwitchingOptimum Switching Distributed SwitchingLoading an Image on the Supervisor Engine System Message LoggingUp to 90 seconds To load copies to Flash memory, use the followingSetting the Boot Configuration Register Booting the Supervisor Engine III from FlashConfiguring Cisco Express Forwarding Enabling CEFEnabling dCEF Configuring CEF Load BalancingDisabling dCEF Disabling CEF on an Individual InterfaceViewing the Adjacency Table on the 8500 GSR Disabling Per−Destination Load SharingClearing the Adjacency Table on the 8500 GSR Viewing CEF Packet−Dropped StatisticsHere’s an example of the command’s use Disabling Server Logging Clearing the Server Logging TableDisplaying System Logging Messages Displaying the Logging ConfigurationPage Flat Network of Yesterday Virtual Local Area NetworksWhy Use VLANs? Vlan Basics Properly Switched NetworkSwitched Internetwork Security Vlan Boundaries Scaling with VLANsCisco’s Vlan Recommendations Vlan Membership TypesTraffic Patterns Flowing through the Network Trunk Types Vlan TrunkingIeee 802.1Q IeeeCisco Standards Inter−Switch Link ISL Protocol Domain must share the same VTP domain name Vlan Trunking Protocol VTPLAN Emulation Lane VTP Advertisements VTP VersionsPage Client Mode VTP Switch ModesVTP Pruning 100Transparent Mode Server ModeInterVLAN Routing Methods for Vlan Identification102 Internal Route ProcessorsHow InterVLAN Routing Works Configuring Multiple VLANs on a Catalyst 5000 Series Switch Configuring a Static Vlan on a Catalyst 5000 Series SwitchCreating VLANs on a Catalyst 1900EN Series 103104 Assigning a Static Vlan to an Interface on a 1900EN SeriesViewing an Individual Vlan Configuration on a 1900 Series Viewing the Vlan Configuration on a 1900 SeriesConfiguring a Trunk Port on a Cisco 5000 Series Results are shown hereAuto On or desirable modeDesirable OffMapping VLANs to a Trunk Port Configuring a Trunk Port on a Cisco 1900EN SeriesClearing VLANs from Trunk Links on a Cisco 5000 Series Clearing VLANs from Trunk Links on a Cisco 1900EN SeriesVerifying a Trunk Link Configuration on a 1900EN Series Verifying a Trunk Link Configuration on a 5000 SeriesConfiguring the VTP Version on a Catalyst 5000 Switch Following shows the resultsSetting a VTP Domain Password on a Catalyst Switch Configuring a VTP Domain on a Catalyst 1900 SwitchConfiguring a Catalyst 1900 Switch as a VTP Server Configuring a Catalyst 1900 Switch as a VTP ClientConfiguring VTP on a Set/Clear CLI Switch Configuring VTP Pruning on a Catalyst 1900 SwitchConfiguring VTP on a 1900 Cisco IOS CLI Switch 110Statistics command instead Verifying the VTP Configuration on a Set/Clear CLIDisplaying VTP Statistics 111112 Configuring VTP Pruning on a Set/Clear CLI SwitchDisabling Pruning for Unwanted VLANs 113 Configuring IPX InterVLAN Routing on an External RouterAssign an IP address and subnet mask to the subinterface 114 InterVLAN and Basic Module ConfigurationInternal Route Processors 115 Cisco Express Forwarding Asic116 Multimodule vs. Fixed Configuration SwitchesAvailable Route Processors 117 NetFlow Feature Card and NetFlow Feature Card118 Route Switch ModuleMultilayer Switch Module Route Switch Feature Card∙ Xerox Network Systems XNS 119Routing Protocol Assignment Supervisor Engine ModulesSupervisor Engines I 120121 Supervisor Engine122 Using the Supervisor EngineEtherport Modules Determining the Slot Number in Which a Module Resides Manually Configured MAC AddressesPort Security 123124 Accessing the Internal Route Processor from the SwitchConfiguring a Hostname on the RSM 125 Enter Global Configuration mode with the following commandsHere is an example of setting the port speed and port name Verifying the IP Configuration on a Catalyst Configuring a Default Gateway on a CatalystEnabling RIP on an RSM Assign a Vlan to an IP addressConfiguring InterVLAN Routing on an RSM Viewing the RSM’s Running ConfigurationConfiguration to the Nvram 127128 Configuring IPX InterVLAN Routing on the RSMConfiguring AppleTalk InterVLAN Routing on an RSM Assigning a MAC Address to a Vlan Viewing the RSM ConfigurationViewing the MAC Addresses 129130 Configuring Filtering on an Ethernet InterfaceConfiguring Port Security on an Ethernet Module Configure the hostname Configuring the Catalyst 5000 Supervisor Engine ModuleClearing MAC Addresses 131132 133 Viewing the Supervisor Engine ConfigurationChanging the Management Vlan on a Supervisor Engine 134 Configuring the Cisco 2621 External Router for ISL Trunking135 Configuring Redundancy Using Hsrp136 137 IP MulticastIP Multicasting Overview Unicast Broadcast∙ Unicast ∙ Multicast 138139 MulticastWant to Join the Military? 140 IP Multicasting AddressesMulticast IP Structure After removing the X portion, the section X bits are not used. The remaining bitsSpecial Multicast Addresses 141142 Delivery of Multicast DatagramsMulticast Distribution Tree 143 Multicast ForwardingIgmp Protocols 144 Distance Vector Multicast Routing ProtocolProtocol Independent Multicast IGMPv1 Internet Group Management Protocol IgmpMulticast Open Shortest Path First 145146 IGMPv2Time to Live Multicast at LayerIgmp Snooping 147148 Cisco Group Management ProtocolRouter Group Management Protocol Garp Multicast Registration Protocol Configuring IP Multicast RoutingDisabling IP Multicast Routing Enabling PIM on an InterfaceConfiguring a Router to Be a Static Multicast Group Member Configuring the Rendezvous PointRestricting Access to a Multicast Group Adding a Router to a Multicast GroupConfiguring Multicast Router Ports Configuring Multicast GroupsChanging the Igmp Host−Query Message Interval Removing Multicast GroupsConfiguring Igmp Fast−Leave Processing Configuring Igmp SnoopingRemoving the Multicast Router Disabling Igmp SnoopingDisplaying Multicast Routers Learned from Igmp Displaying Igmp StatisticsDisplaying Igmp Multicast Groups 153Disabling Cgmp Configuring CgmpEnabling Cgmp Fast−Leave Processing Disabling Cgmp Fast−Leave ProcessingConfiguring Rgmp on the Router Configuring Rgmp on the SwitchDisabling Rgmp on the Switch Displaying Rgmp GroupsDisplaying RGMP−Capable Router Ports Configuring GmrpDisplaying Rgmp Vlan Statistics 156Disabling Gmrp Configuring Gmrp RegistrationEnabling Gmrp on Individual Ports Disabling Gmrp on Individual PortsSetting Gmrp Timers Displaying the Gmrp ConfigurationDisplaying Gmrp Timers 158Configuring Packet−Based Suppression Configuring Bandwidth−Based SuppressionDisabling Multicast Suppression 159160 WAN Cell SwitchingATM Overview 161 ATM-Easy to Learn?ATM Protocols ATM Circuit SwitchingATM Cells 162163 Time Division MultiplexingATM Reference Model ATM Switch and ATM EndpointsATM Cell Header 164165 Physical LayerATM Layer 166 Specifying ATM ConnectionsATM Adaptation Layer 167 Local Area Network Emulation LaneATM Addressing 168 Lane ComponentsWhat Are ELANs? 169 LAN Emulation Client LECLAN Emulation Server LES 170 LAN Emulation Configuration Server LecsATM Module Subinterfaces Broadcast and Unknown Server BUSLEC Queries 171Lane Communication Integrated Local Management Interface IlmiATM Addresses 172173 LE MessagesDevices by using the config net command Lane Configuration GuidelinesHow Lane Works Joining and Registering with the LES175 Configuring ATM on the 5000 SwitchImplementing Lane 176 Lane ModulesNetwork Management on the Lane Module 177 Connecting in an ATM NetworkSegmentation and Reassembly Monitoring and Maintaining Lane Accessing the ATM Lane ModuleDisplaying the Selector Field 178Configuring a LEC for an Elan Configuring the LES/BUSVerifying the LES/BUS Configuration 179Map the LEC bus to the Ethernet Elan named default Verifying a LEC Configuration on an ElanMap the LEC bus to the Ethernet Elan named ELAN2 180Viewing the Lane Database Configuring the LecsBinding the Lecs Address to an Interface 181182 Verifying the Lecs ConfigurationVerify the proper setup with the following command 183 LightStream SwitchesLightStream 184 100MbpsSTS−3c/STM−1 155Mbps 185 186 Virtual Path ConnectionsNeighborhood Discovery Function 187 LightStream Troubleshooting ToolsLightStream Boot Process Snooping Mechanisms Supported Troubleshooting ProtocolsMultiprotocol Over ATM MPSConfiguring an Enable Password Configuring the HostnameConfiguring the Processor Card Ethernet Interface MPCVerifying an ATM Interface Connection Status Configuring Virtual Private TunnelsEnter the interface on the module Identify the private virtual path PVP numberConfiguring the Advertised Lecs Address Viewing the Configured Virtual ConnectionsViewing the Lane Configuration 191192 Viewing the Installed ModulesConfiguring the MPS Configuring the MPCChanging the MPS Variables 193Configuring Lane on a LightStream Enabling Ilmi AutoconfigurationMonitoring the MPS 194195 Powering on the LightStream 100 ATM SwitchConfiguring the LS100 Switch 196 Recovering a Lost Password197 198 Layer 2 Redundant Links Layer 2 Switching OverviewFrames 199Broadcast and Multicast Frames Layer 2 Network LoopsUnknown Unicasts ∙ Broadcast frames ∙ Multicast frames ∙ Unknown unicasts201 Edsger Dijkstra’s Graph Theory202 STP Root Bridges203 Bridge Protocol Data Units204 Bpdu TimersRoot Bridge Selection Parent and Child SwitchesSelection Process 205206 Port Costs, Path Costs, and Port Priorities207 Spanning Tree Convergence TimeEqual Cost Paths 208 STP Port StatesPer−VLAN Spanning Tree EtherChannelPvst and PVST+ 209Link Failure EtherChannel Administrative GroupsPort Aggregation Protocol 210PortFast Fast Convergence Components of STPUplinkFast 211212 Enabling STP on a Set/Clear Command−Based SwitchBackboneFast Disabling STP on a Set/Clear Command−Based Switch by Vlan Disabling STP on a Set/Clear Command−Based SwitchFollowing example, the Vlan number is 213214 Configuring STP on an IOS Command−Based SwitchDisabling STP on an IOS Command−Based Switch Configuring the STP Root Switch Viewing the STP Configuration on a Command Line SwitchConfiguring the STP Secondary Root Switch Root216 Assigning a Port Cost to a Port Using a CLI−Based SwitchSecondary optional 217 Configuring the Port Priority on a Set/Clear Command−BasedConfiguring the Port Priority on a CLI−Based IOS Adjusting the FwdDelay Timer on a Set/Clear Command−Based Verifying the Vlan Priority SettingsAdjusting the Hello Timer on a Set/Clear Command−Based IOS 218219 Adjusting the MaxAge Timer on a Set/Clear Command−BasedPreparing to Enable EtherChannel 220 Disables the port from channeling or creating a bundleNegotiation. This is the default setting Defining an EtherChannel Administrative Group Verifying the EtherChannel ConfigurationViewing an EtherChannel Administrative Group 221Here, the mode is auto Configuring EtherChannel on an IOS−Based SwitchIdentifying the Template Port 222Disabling PortFast on a Set/Clear Command−Based Switch Enabling PortFast on a Set/Clear Command−Based SwitchEnabling PortFast on a CLI−Based IOS Switch 223Verifying the PortFast Configuration Disabling PortFast on a CLI−Based IOS SwitchEnabling UplinkFast on a Set/Clear Command−Based Switch Disabling UplinkFast on a Set/Clear Command−Based SwitchEnabling UplinkFast on a Cisco IOS Command−Based Switch Verifying the UplinkFast ConfigurationDisabling UplinkFast on a Cisco IOS Command−Based Switch 225Viewing UplinkFast Statistics on an IOS−Based Switch Viewing the UplinkFast Configuration on an IOS−Based SwitchEnabling BackboneFast on a Set/Clear Command−Based Switch Disabling BackboneFast on a Set/Clear Command−Based SwitchWhy Not Call Them Routers? Multilayer SwitchingHow MLS Works 227MLS Components ∙ MLS Switching Engine MLS−SE-The switch supporting MLSPrioritizing Traffic Flows 228229 230 MLS FlowsDestination−IP Flow Mask Access List Flow MasksSource−Destination−IP Flow Mask 231IP Access Lists and MLS Interaction MLS Troubleshooting NotesIP−Flow Flow Mask 232233 Configuring MLS234 Aging TimersMLS Cache VTP Domain Configuring an External MLS Route ProcessorManagement Interfaces MLS Cache Fast Aging TimeDisabling Mlsp on an MLS−RP for IP Enabling Mlsp on an MLS−RP for IPEnabling Mlsp on an MLS−RP for IPX Disabling Mlsp on an MLS−RP for IPXEnabling MLS on an Individual Interface Configuring the MLS Switch EngineDisabling MLS on an External Router Interface Re−enabling MLS on a CatalystConfiguring Fast Aging on a Catalyst Configuring the MLS Cache on the CatalystDisabling MLS on a Catalyst Disabling Fast Aging on a CatalystConfiguring Normal Aging on the Catalyst Configuring Long Aging on the CatalystDisabling Long Aging on the Catalyst Disabling Normal Aging on the CatalystViewing the MLS Aging Configuration on a Catalyst Monitoring and Viewing the MLS ConfigurationDisplaying the IP MLS Configuration Viewing MLS−RPsViewing the MLS Vlan Interface Information Displaying MLS VTP Domain InformationViewing MLS Statistics on the Catalyst 241242 Viewing MLS Entries243 Routing ProblemsHot Standby Routing Protocol Proxy ARP Routing Information ProtocolIcmp Router Discovery Protocol 244245 SolutionToken Ring Standby Groups 255 246 Groups primarily to facilitate load sharing247 Hsrp Message FormatHsrp States Hsrp Interface Tracking Hsrp ConfigurationDisabling Icmp Redirects 248249 Entering Configuration Mode on an RSMOpening a Session on an Internal Route Processor Removing a Preempt Delay from a Standby Group Assigning a Preempt Delay to a Standby GroupSetting the Hsrp Hello and Hold Timers Assigning an Hsrp Interface PriorityConfiguring a Clear−Text Password for Hsrp Authentication Removing the Hsrp Hello and Hold TimersConfiguring Two Rsfc Interfaces as One Hsrp Group Here’s what happened252 Using the show standby CommandEnabling Interface Tracking 253 Using the debug Command254 Access Security PoliciesPolicy Networking 255 Core Layer PoliciesDistribution Layer Policies Access Lists ∙ Managing Hypertext Transfer Protocol Http accessAccess List Types 256257 Access list string as an example258 List259 To remove a remark, use a command like the followingApplying Access Lists 260 Applying Access Lists to Route FilteringConfiguring Passwords Security at the Access LayerLimiting Telnet Access Implementing Privilege Levels262 Configuring Banner MessagesPhysical Device Security Vlan Management Creating a Standard Access ListStatic MAC Assignment vs. Dynamic MAC Assignment 263264 Creating an Extended Access List265 266 Applying Access Lists Using access−classApplying Access Lists Using distribute−list Configuring Line Console Time−Out Values Configuring a Telnet Session Time−Out ValueImplementing Privilege Levels on a 1900EN 267Enabling Http Access Configuring Banner MessagesExec−timeout 5 268Enabling Port Security EnableAaa LocalDisplaying the MAC Address Table 271 Standard and Enterprise Edition Cvsm Web ManagementCvsm Client Requirements 272273 Cvsm Access LevelsCvsm Default Home 274 Switch Image275 276 Connecting to the Web Management Console277 278 279 280 281 Configuring the Switch Port Analyzer282 Standard Edition IOS 1900 and 2820 Series SwitchesMain Menu Choices 283284 Console Settings285 System MenuNetwork Management IP ConfigurationLet’s look at each option from this menu in more detail 286287 Snmp ManagementBridge − Spanning Tree Snmp Default Trap MessagesCisco Discovery Protocol 288289 Port ConfigurationCisco Group Management Protocol AUI port Syntax PortPort Statuses 290291 292 Port AddressingMonitor Port Statistics DetailVirtual LAN 293294 Multicast RegistrationFirmware 295 RS−232 Interface296 Usage Summaries297 298 Configuring Network Settings on the 1900 and 2820 Series∙ X Exit-This option returns you to the Main Menu 299 Configuring Broadcast Storm Control on Switch Ports300 Configuring Snmp on the 1900 Series301 302 303 Configuring Port Monitoring on the Standard Edition IOSRelated solution Found on Enabling Snmp Contact 304 Configuring VLANs on the Standard Edition IOS305 306 Select E to enable Uplink Fast Configuring Spanning Tree ProtocolAssigning a Static Vlan to an Interface on a 1900EN Series 307308 Hardware Troubleshooting Switch TroubleshootingNo Power 309310 Indicator Lights311 Switch CablingSwitched Port Analyzers Cable Problems Switch Troubleshooting ToolsCiscoWorks for Switched Internetworks Cross−Over Cables313 IOS Software Troubleshooting CommandsShow cam Show configDuplicate MAC Addresses Show cdp neighborsShow interface Show flashShow log Show macShow system Viewing the Set/Clear IOS ConfigurationShow test Show version317 318 319 320 Viewing the CLI−Based IOS Configuration321 Viewing the IOS Version Information on a CLI−Based IOSShow test module number 322323 324 Viewing the VTP Domain Configuration on a Set/Clear IOSViewing the VTP Domain Configuration on a CLI−Based IOS 325 Viewing the Vlan Configuration on a CLI−Based IOS326 Viewing the Spanning Tree Configuration on a CLI−Based IOS327 328 Viewing the CAM MAC Address Table on a CLI−Based IOS329 Viewing the CDP Neighbors on a Set/Clear Command−BasedViewing the CDP Neighbors on a CLI−Based IOS 330 Viewing Individual Port CAM Tables on a CLI−Based IOSViewing Port Statistics on a Set/Clear IOS MAC 331332 Here is the output using the exception syntaxViewing Port Statistics on a CLI−Based IOS 333 Using the Port Configuration on a Set/Clear Command−BasedUsing the show port Command on a CLI−Based IOS 334 Using the show vlan Command on a Set/Clear Command−BasedUsing the show vlan Command on a CLI−Based IOS 335 Using the show interface Command on a CLI−Based IOS336 Using the show log Command on a Set/Clear Command−Based337 338 339 340 Books Appendix a Study ResourcesCisco Group Study and Users Groups Live Cisco Training/Internet−Based Labs/Study ResourcesOnline Resources Standards Organizations Quality of ServiceSpanning Tree Protocol VLANs344 Cisco Job Search Sites∙ it.careershop.com Appendix B Basic IOS CLI−to−Set/Clear Commands 346 Configures STP Set spantree enable mod/number helloVlan name Vlan−membership static vlan Assigns a port to 347 Appendix C The Cisco ConsultantEstablishing Credibility 348 Designing a SolutionCome Off As an Expert Presenting the Final Proposal and Creating Expectations Estimating the CostTotal up front 349Document, Document, Document ContractingWay to Fail 350351 Failing to Manage Your TimeAssuming You Know What the Customer Needs 352 ConclusionFailing to Take Responsibility 353 Required Equipment354 Lab Objectives1912 Basic Configuration Possible SolutionConfigure a password for the switch 355356 Enable trunking on this port to always be onAssign Vlan names 357 Catalyst 5000 Basic Configuration358 Configuring the Cisco 2621 Interface for ISL TrunkingVerify the configurations Access Layer Switches Appendix E Switch FeaturesCisco Catalyst Forwarding rate 370 pps Max MAC addresses 024 048360 Forwarding rate 370 pps361 4MB Dram 8MB362 Cisco Catalyst 3500 Series XL12MB 16MB Cisco Catalyst 3900 SeriesStackable Yes Forwarding Rate Million pps 363Key Features and Benefits Distribution Layer SwitchesUp to 8MB Stackable Yes 364Cisco Catalyst 4000 Series Key FeaturesCatalyst 5000 Series 365366 Catalyst 6000 Series367 Core Layer/WAN SwitchesCisco Catalyst 8400 Series Catalyst 8400 ServicesCatalyst 8400 Modules 368369 Cisco Catalyst 8500 SeriesNetwork Management 370 BPX 8680 Universal Service NodeBPX 8600 Series 371 ServicesMGX 8800 Series 372 Series Gigabit Switch Routers373 374 375 376 377 378 379 380 381 382 Hypertext Transfer Protocol Http HubSee Institute of Electrical and Electronics Engineers Ieee Ieee 802.1Q384 385 386 387 388 389 390 391 392 393 394 395