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Cisco Systems C2960XSTACK manual Enabling CDP Disabling CDP on an Interface, SNMP Examples

Models: WSC2960X24TSL C2960XSTACK WSC2960X24PDL WSC2960X24TSLL WSC2960X24PSL WSC2960X48TSL WSC2960X24TDL

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Enabling CDP 37

Contents

C H A P T E R 4

C H A P T E R 5

Enabling CDP 37

Disabling CDP on an Interface 38

Enabling CDP on an Interface 39

Monitoring and Maintaining CDP 40

Additional References 41

Feature History and Information for Cisco Discovery Protocol 42

Configuring Simple Network Management Protocol 43

Finding Feature Information 43

Prerequisites for SNMP 43

Restrictions for SNMP 46

Information About SNMP 46

SNMP Overview 46

SNMP Manager Functions 46

SNMP Agent Functions 47

SNMP Community Strings 47

SNMP MIB Variables Access 47

SNMP Notifications 48

SNMP ifIndex MIB Object Values 48

Default SNMP Configuration 49

SNMP Configuration Guidelines 49

How to Configure SNMP 50

Disabling the SNMP Agent 50

Configuring Community Strings 51

Configuring SNMP Groups and Users 53

Configuring SNMP Notifications 55

Setting the Agent Contact and Location Information 60

Limiting TFTP Servers Used Through SNMP 61

Monitoring SNMP Status 62

SNMP Examples 63

Feature History and Information for Simple Network Management Protocol 64

Configuring SPAN and RSPAN 65

Finding Feature Information 65

Prerequisites for SPAN and RSPAN 65

Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX

OL-29044-01

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Cisco Systems C2960XSTACK manual Enabling CDP Disabling CDP on an Interface, Configuring Simple Network Management Protocol

Contents

First Published July 10 Americas HeadquartersCisco Systems, Inc 170 West Tasman Drive San Jose, CACisco Systems, Inc. All rights reserved Using the Command-Line Interface Obtaining Documentation and Submitting a Service RequestInformation About Using the Command-Line Interface Command Modes Using the Help System Understanding Abbreviated CommandsEvent Service NameSpace Mapper Cisco Configuration Engine Software Configuration ServiceCisco Networking Services IDs and Device Hostnames 16 ConfigID DeviceID Hostname and DeviceID Hostname, DeviceID, and ConfigIDConfiguring Simple Network Management Protocol Feature History and Information for Cisco Discovery ProtocolFinding Feature Information Prerequisites for SNMP SNMP MIB Variables Access SNMP NotificationsDefault SPAN and RSPAN Configuration Configuration Guidelines SPAN and RSPAN Interaction with Other FeaturesSPAN Configuration Guidelines RSPAN Configuration Guidelines FSPAN and FRSPAN Configuration GuidelinesExamples Creating an RSPAN VLAN Feature History and Information for SPAN and RSPANContents OL-29044-01OL-29044-01 Contentsviii Preface Obtaining Documentation and Submitting a Service Request, pageDocument Conventions Document Conventions, page Related Documentation, pageReader Alert Conventions Tip Means the following information will help you solve a problemConvention DescriptionRelated Documentation Obtaining Documentation and Submitting a Service RequestOL-29044-01 Preface Obtaining Documentation and Submitting a Service RequestInformation About Using the Command-Line Interface Using the Command-Line InterfaceCommand Modes Information About Using the Command-Line Interface, pageAbout This Mode Access Methodthe configure vlan-id command2. abbreviated-command-entry ? 3. abbreviated-command-entry Tab Using the Help System5. command ? 6. command keyword ? Command or ActionNo and default Forms of Commands Understanding Abbreviated CommandsCLI Error Messages Lists all commands available for a particular commandConfiguration Logging How to Use the CLI to Configure FeaturesConfiguring the Command History Error MessageRecalling Commands Changing the Command History Buffer SizeRepeat the key sequence to recall successively older commands more recent commandsDisabling the Command History Feature Enabling and Disabling Editing Featuresprivileged EXEC mode Reenables the enhanced editing mode for the current terminalin the privileged EXEC mode Editing Commands through Keystrokesterminal no editing Ctrl-B or use the left arrow key1. access-list 2. Ctrl-A 3. Return key Editing Command Lines That WrapEsc D Esc Caccess-list Searching and Filtering Output of show and more Commands1. show more command begin include exclude regular-expression show more command begin include excludePurpose Accessing the CLI through a Console Connection or through TelnetCommand or Action Example OL-29044-01 Using the Command-Line InterfaceAccessing the CLI through a Console Connection or through Telnet Prerequisites for Configuring the Configuration Engine Finding Feature InformationFinding Feature Information, page Prerequisites for Configuring the Configuration Engine, pageInformation About Configuring the Configuration Engine Restrictions for Configuring the Configuration EngineCisco Configuration Engine Software Cisco Networking Services IDs and Device Hostnames, on pageFigure 1 Cisco Configuration Engine Architectural Overview Configuration ServiceCisco Networking Services IDs and Device Hostnames Event ServiceConfigID Prerequisites for Configuring the Configuration Engine, on pageDeviceID Hostname, DeviceID, and ConfigIDHostname and DeviceID Refreshing DeviceIDs, on pageAutomated CNS Configuration, on page Initial ConfigurationCisco IOS CNS Agents Related TopicsIncremental Partial Configuration Automated CNS ConfigurationSynchronized Configuration Required ConfigurationInitial Configuration, on page How to Configure the Configuration Engine1. configure terminal Enabling the CNS Event AgentEnters the global configuration mode configure terminalreconnect-time time backup What to Do Next2. cns config initial hostname ip-address port-number Event Service, on page3. cns config partial hostname ip-address port-number cns config initial hostname ip-addressEnables the Cisco IOS CNS agent and initiates a partial configuration Enabling an Initial Configuration for Cisco IOS CNS Agenton the switch Returns to privileged EXEC mode3. cli config-text 1. configure terminal 2. cns template connect namecli config-text each command line in the templateexit Returns to global configuration modeStep 7 discover controller controller-type dlci Step 8 template name ... namehostname name hostname string string udi event image commandip route network-number address is network-numberpage source ip-address syntax-check port-number event no-persist pageCommand or Action Returns to privileged EXEC mode5. configure terminal 1. show cns config connectionsRefreshing DeviceIDs 3. show cns event connectionsshow cns event connections show cns config connectionsno cns event ip-address port-number cns event ip-address port-numbercns config partial ip-address hostname Enabling a Partial Configuration for Cisco IOS CNS AgentEnabling the Cisco IOS CNS Agent, on page Hostname and DeviceID, on pageCommand Monitoring CNS Configurationsshow cns config outstanding show cns config statsConfiguration Engine Setup Feature History and Information for the Configuration Enginedocs/netmgmt/configurationengine/1.5 installationlinux/guide/setup1.htmlFinding Feature Information, page Information About CDP, page Configuring the Cisco Discovery ProtocolHow to Configure CDP, page Monitoring and Maintaining CDP, page Feature History and Information for Cisco Discovery Protocol, pageDefault CDP Configuration How to Configure CDPConfiguring CDP Characteristics Featurecdp timer seconds 1. configure terminal 2. cdp timer seconds 3. cdp holdtime seconds4. cdp advertise-v2 5. end cdp holdtime secondsDisables CDP 1. configure terminal 2. no cdp run 3. endDisabling CDP Monitoring and Maintaining CDP, on pageEnables CDP if it has been disabled 1. configure terminal 2. cdp run 3. endEnabling CDP Enabling CDP, on pageand enters interface configuration mode 3. no cdp enable 4. endDisabling CDP on an Interface Disabling CDP, on pageDisables CDP on the interface specified in Step no cdp enable3. cdp enable 4. end Enabling CDP on an InterfaceEnables CDP on a disabled interface cdp enableResets the traffic counters to zero Monitoring and Maintaining CDPCisco IOS Configuration Fundamentals Command Configuring CDP Characteristics, on pageSwitches show cdp entry entry-name version protocolTechnical Assistance Feature History and Information for Cisco Discovery ProtocolDescription LinkFinding Feature Information, page Prerequisites for SNMP, page Configuring Simple Network Management ProtocolHow to Configure SNMP, page Monitoring SNMP Status, page Prerequisites for SNMPModel AuthenticationLevel EncryptionModel AuthenticationLevel EncryptionInformation About SNMP Restrictions for SNMPSNMP Overview SNMP Manager FunctionsSNMP Agent Functions SNMP MIB Variables AccessSNMP Community Strings OperationSNMP ifIndex MIB Object Values SNMP NotificationsSNMP Configuration Guidelines Default SNMP ConfigurationDefault Setting Interface Type1. configure terminal 2. no snmp-server 3. end How to Configure SNMPDisabling the SNMP Agent Before You BeginDisables the SNMP agent operation Configuring Community Strings3. access-list access-list-number deny permit source source-wildcard no snmp-serverStep 3 access-list access-list-number deny view view-name ro rw access-list-numberStep 2 snmp-server community string permit source source-wildcard5. end Configuring SNMP Groups and Userssnmp-server engineID local engineid-string remote ip-addressgroup-name remote host udp-port port v1 access access-list v2c notifyview access access-listaccess access-list v3 encrypted access access-list auth md5 sha auth-password priv des 3des aes 128 192 256 priv-passwordStep 5 end Example Configuring SNMP NotificationsCommand or Action Example Purposecopy-config configNotification Type Keyword bridge2 snmp-server enable traps port-security trap-rate rate 1 snmp-server enable traps port-securityport-security snmp9. snmp-server trap-timeout seconds 10. end 6. snmp-server enable traps notification-typeshost udp-port port v1 access access-list v2c access access-list v3 encrypted access1 snmp-server enable traps port-security Step 6 snmp-server enable traps notification-types2 snmp-server enable traps port-security trap-rate rate range is 1 to 1000 the default issnmp-server trap-timeout seconds Setting the Agent Contact and Location Informationto 1000 the default is 30 seconds 1. configure terminal 2. snmp-server contact textLimiting TFTP Servers Used Through SNMP 2. snmp-server tftp-server-list access-list-numbersnmp-server contact text Sets the system contact stringMonitoring SNMP Status access-list-numberStep 2 snmp-server tftp-server-list Command or ActionSNMP Examples running-config outputshow snmp show snmp engineIDRelease Switchconfig# snmp-server enable traps entityModification Cisco IOS 15.02EXHow to Configure SPAN and RSPAN, page Configuring SPAN and RSPANSPAN and RSPAN Configuration Examples, page Feature History and Information for SPAN and RSPAN, pageSPAN Restrictions for SPAN and RSPANRSPAN RSPAN Flow-Based SPAN FSPAN and Flow-Based RSPAN FRSPANAn RSPAN source session cannot have a local destination port SPAN and RSPAN Information About SPAN and RSPANLocal SPAN nameFigure 5 Example of Local SPAN Configuration on a Device Stack Remote SPANFigure 4 Example of Local SPAN Configuration on a Single Device VLAN Filtering Destination Port RSPAN VLAN SPAN and RSPAN Concepts and TerminologySPAN Sessions, page Monitored Traffic Source Ports Source VLANs Monitored Traffic SPAN SessionsSource Ports Destination Port Source VLANsVLAN Filtering RSPAN VLAN SPAN and RSPAN Interaction with Other Features SPAN and RSPAN and Device Stacks Flow-Based SPANConfiguration Guidelines Default SPAN and RSPAN ConfigurationSPAN Configuration Guidelines FeatureRSPAN Configuration Guidelines How to Configure SPAN and RSPANFSPAN and FRSPAN Configuration Guidelines Creating a Local SPAN SessionStep 3 monitor session sessionnumber source Step 2 no monitor session sessionnumber all local remoteinterface interface-id vlan vlan-id both rx txStep 5 end Creating a Local SPAN Session and Configuring Incoming TrafficCommand or Action Example Returns to privileged EXEC modelocal remote no monitor session sessionnumber allmonitor session sessionnumber source interface interface-id vlan vlan-iduntagged encapsulation type with the specified VLAN as the default Command or ActionReturns to privileged EXEC mode Specifying VLANs to Filterinterface interface-id Configuring a VLAN as an RSPAN VLANStep 4 monitor session sessionnumber filter vlan vlan-id3. remote-span 4. end 2. vlan vlan-idvlan vlan-id remote-span4. monitor session sessionnumber destination remote vlan vlan-id Creating an RSPAN Source SessionStep 2 no monitor session sessionnumber all local remote 1. configure terminaldestination remote vlan vlan-id monitor session sessionnumber5. monitor session sessionnumber destination remote vlan vlan-id Command or ActionStep 5 monitor session sessionnumber destination remote vlan vlan-id Step 2 no monitor session sessionnumber all local remoteCommand or Action configure terminal3. remote-span 4. exit Creating an RSPAN Destination Session5. no monitor session sessionnumber all local remote 6. monitor session sessionnumber source remote vlan vlan-idlocal remote no monitor session sessionnumber allmonitor session sessionnumber source remote vlan vlan-idStep 3 monitor session sessionnumber source remote vlan vlan-id 3. monitor session sessionnumber source remote vlan vlan-id1. configure terminal Command or ActionEnters global configuration mode Configuring an FSPAN SessionCommand or Action 1. configure terminalStep 2 no monitor session sessionnumber all local remote Command or ActionExample Step 3 monitor session sessionnumber sourceaccess-list-number name Configuring an FRSPAN Session5. vlan vlan-id 6. remote-span 7. exitconfigure terminal Command or ActionEnters global configuration mode DETAILED STEPSor FRSPAN configuration ipv6 mac access-group access-list-number nameMonitoring SPAN and RSPAN Operations vlan vlan-idExample Configuring Local SPAN SPAN and RSPAN Configuration ExamplesExamples Creating an RSPAN VLAN Feature History and Information for SPAN and RSPANRelease ModificationRelease defined in terms of access lists thatModification SPAN Destination Port Support onI N D E