Cisco 2960 X Owners Manual

PurposeCommand or Action
Expressionsarecasesensitive.Forexample,ifyouenter
|excludeoutput,thelinesthatcontainoutputarenot
displayed,butthelinesthatcontainoutputappear.Example:Switch#showinterfaces|includeprotocolVlan1isup,lineprotocolisupVlan10isup,lineprotocolisdownGigabitEthernet1/0/1isup,lineprotocolisdownGigabitEthernet1/0/2isup,lineprotocolisup
Accessing the CLI through a Console Connection or through Telnet
BeforeyoucanaccesstheCLI,youmustconnectaterminaloraPCtotheswitchconsoleorconnectaPCto...

   Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX
12OL-29044-01  
Using the Command-Line Interface
Accessing the CLI through a Console Connection or through Telnet 

CHAPTER 2
Configuring Cisco IOS Configuration Engine
ThischapterdescribeshowtoconfiguretheCiscoIOSConfigurationEngine.
•FindingFeatureInformation,page13
•PrerequisitesforConfiguringtheConfigurationEngine,page13
•RestrictionsforConfiguringtheConfigurationEngine,page14
•InformationAboutConfiguringtheConfigurationEngine,page14
•HowtoConfiguretheConfigurationEngine,page20
•MonitoringCNSConfigurations,page31
•AdditionalReferences,page32
•FeatureHistoryandInformationfortheConfigurationEngine,page32
Finding...

Related Topics
CiscoNetworkingServicesIDsandDeviceHostnames,onpage16
DeviceID,onpage17
Restrictions for Configuring the Configuration Engine
•Withinthescopeofasingleinstanceoftheconfigurationserver,notwoconfiguredswitchescanshare
thesamevalueforConfigID.
•Withinthescopeofasingleinstanceoftheeventbus,notwoconfiguredswitchescansharethesame
valueforDeviceID.
Related Topics
CiscoNetworkingServicesIDsandDeviceHostnames,onpage16
Information About Configuring the Configuration Engine
Cisco Configuration Engine...

Instandalonemode,theCiscoConfigurationEnginesupportsanembeddeddirectoryservice.Inthismode,
noexternaldirectoryorotherdatastoreisrequired.Inservermode,theCiscoConfigurationEnginesupports
theuseofauser-definedexternaldirectory.
Figure 1: Cisco Configuration Engine Architectural Overview
Configuration Service
TheConfigurationServiceisthecorecomponentoftheCiscoConfigurationEngine.Itconsistsofa
ConfigurationServerthatworkswithCiscoIOSCNSagentsontheswitch.TheConfigurationServicedelivers...

Event Service
TheCiscoConfigurationEngineusestheEventServiceforreceiptandgenerationofconfigurationevents.
TheEventServiceconsistsofaneventagentandaneventgateway.Theeventagentisontheswitchand
facilitatesthecommunicationbetweentheswitchandtheeventgatewayontheCiscoConfigurationEngine.
TheEventServiceisahighlycapablepublish-and-subscribecommunicationmethod.TheEventServiceuses
subject-basedaddressingtosendmessagestotheirdestinations.Subject-basedaddressingconventionsdefine...

TheConfigIDisfixedatstartuptimeandcannotbechangeduntilthedevicerestarts,eveniftheswitch
hostnameisreconfigured.
DeviceID
EachconfiguredswitchparticipatingontheeventbushasauniqueDeviceID,whichisanalogoustotheswitch
sourceaddresssothattheswitchcanbetargetedasaspecificdestinationonthebus.
TheoriginoftheDeviceIDisdefinedbytheCiscoIOShostnameoftheswitch.However,theDeviceID
variableanditsusageresidewithintheeventgatewayadjacenttotheswitch....

Inservermode,thehostnameisnotused.Inthismode,theuniqueDeviceIDattributeisalwaysusedfor
sendinganeventonthebus.Ifthisattributeisnotset,youcannotupdatetheswitch.
Theseandotherassociatedattributes(tagvaluepairs)aresetwhenyourunSetupontheCiscoConfiguration
Engine.
Cisco IOS CNS Agents
TheCNSeventagentfeatureallowstheswitchtopublishandsubscribetoeventsontheeventbusandworks
withtheCiscoIOSCNSagent.Theseagents,embeddedintheswitchCiscoIOSsoftware,allowtheswitch
tobeconnectedandautomaticallyconfigured.
Initial...

Incremental (Partial) Configuration
Afterthenetworkisrunning,newservicescanbeaddedbyusingtheCiscoIOSCNSagent.Incremental
(partial)configurationscanbesenttotheswitch.Theactualconfigurationcanbesentasaneventpayloadby
wayoftheeventgateway(pushoperation)orasasignaleventthattriggerstheswitchtoinitiateapulloperation.
Theswitchcancheckthesyntaxoftheconfigurationbeforeapplyingit.Ifthesyntaxiscorrect,theswitch
appliestheincrementalconfigurationandpublishesaneventthatsignalssuccesstotheconfigurationserver....

Required ConfigurationDevice
•Abootstrapconfigurationfilethatincludesthe
CNSconfigurationcommandsthatenablethe
switchtocommunicatewiththeConfiguration
Engine
•Theswitchconfiguredtouseeithertheswitch
MACaddressortheserialnumber(insteadof
thedefaulthostname)togeneratetheConfigID
andEventID
•TheCNSeventagentconfiguredtopushthe
configurationfiletotheswitch
TFTPserver
Oneormoretemplatesforeachtypeofdevice,with
theConfigIDofthedevicemappedtothetemplate.
CNSConfigurationEngine...