Cisco Networking _ Computer Networking

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Home Home FREE Download EBOOKS FREE Download EBOOKS Computer Networking Tips and Trick Forum Computer Networking Tips and Trick Forum What is DHCP( What is DHCP( Dynamic Host Dynamic Host Configure Protocol Configure Protocol ) How to Configure How to Configure VLAN in Cisco VLAN in Cisco switch switch How to make How to make Bootable Pendrive Bootable Pendrive in Windows 7 in Windows 7 without any ... without any ... Repeater & HUB Repeater & HUB How to Prevent How to Prevent installing software installing software from from Removable Removable media ... media ... CCNA Security Online Tutorial Video CCNA Security Online Tutorial Video What is CCNA Security What is CCNA Security CCNA Security Certification Overview CCNA Security Certification Overview Impelnting CISCO IOS Network Security Impelnting CISCO IOS Network Security DHCP Snooping DHCP Snooping how to secure your perimeter router how to secure your perimeter router Security Firewall With SDM Demo Security Firewall With SDM Demo How to Enable SSH in the Cisco IOS How to Enable SSH in the Cisco IOS How to enable SSH and HTTPS access to Cisco Router How to enable SSH and HTTPS access to Cisco Router Authentication Server Authentication Server You might also like: You might also like: LinkWit hin LinkWit hin 0 comments 0 comments Labels: Labels: CCNA Security CCNA Security, CCNA Video files CCNA Video files, Cisco networking Cisco networking CCNP Routing Tutorial Video in Hindi CCNP Routing Tutorial Video in Hindi Get Daily Get Daily Update by Email Update by Email FREE Networking Material FREE Networking Material CCNA Tutorial Video in Hindi CCNA Tutorial Video in Hindi CCNP Tutorial Video in Hindi CCNP Tutorial Video in Hindi Download Networking EBooks Download Networking EBooks Download networking Presentation file Download networking Presentation file Download Networking tutorial video Download Networking tutorial video Exchange Server tutorial Video in Hindi Exchange Server tutorial Video in Hindi Linux Tutorial Video in Hindi Linux Tutorial Video in Hindi Oracle Database Tutorial Video Oracle Database Tutorial Video VMware tutorial Video VMware tutorial Video Routing Protocol Routing Protocol Open Shortest Path first (OSPF) Open Shortest Path first (OSPF) Enhance Interior Gateway Protocol (EIGRP) Enhance Interior Gateway Protocol (EIGRP) Routing Information Protocol (RIP) Routing Information Protocol (RIP) Categories Categories Bridge Bridge CCNP CCNP Cisco networking Cisco networking DHCP DHCP DNS DNS Firewall Firewall LAN, MAN , WAN LAN, MAN , WAN MS Outlook MS Outlook Networking Basic Networking Basic OSI Model OSI Model Protocol Protocol Repeater Repeater Router Router Routing Routing Routing protocol Routing protocol Subneting Subneting HOME HOME NETWORKING NETWORKING CISCO CISCO LINUX LINUX DOWNLOAD DOWNLOAD TUTORIAL VIDEO TUTORIAL VIDEO TROUBLESHOOTING TROUBLESHOOTING TIPS & TRICKS TIPS & TRICKS LINUX VIDEO IN HINDI LINUX VIDEO IN HINDI WINDOWS SERVER 2008 T UT OT IAL VIDEO IN HINDI WINDOWS SERVER 2008 T UT OT IAL VIDEO IN HINDI SERVER 2012 T UT ORIAL VIDEO IN HINDI SERVER 2012 T UT ORIAL VIDEO IN HINDI Computer Networking Computer Networking This website related to Computer networking and collection of This website related to Computer networking and collection of tutorial PPT files , PDF files, Networking T ips and Solution. tutorial PPT files , PDF files, Networking T ips and Solution. +1 Recommend this on Google Email address... Submit Showing posts with label Showing posts with label Cisco networking Cisco networking. Show all posts Show all posts

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Cisco networking basics

Transcript of Cisco Networking _ Computer Networking

  • HomeHome FREEDownloadEBOOKSFREEDownloadEBOOKS Comput erNetworkingT ipsandT rickForumComput erNetworkingT ipsandT rickForum

    WhatisDHCP(WhatisDHCP(DynamicHostDynamicHostConfigureProtocolConfigureProtocol))

    HowtoConfigureHowtoConfigureVLANinCiscoVLANinCiscoswitchswitch

    HowtomakeHowtomakeBootablePendriveBootablePendriveinWindows7inWindows7withoutany...withoutany...

    Repeater&HUBRepeater&HUB HowtoPreventHowtoPreventinstallingsoftwareinstallingsoftwarefromfromRemovableRemovablemedia...media...

    CCNASecurityOnlineTutorialVideoCCNASecurityOnlineTutorialVideo

    WhatisCCNASecurityWhatisCCNASecurityCCNASecurityCertificationOverviewCCNASecurityCertificationOverviewImpelntingCISCOIOSNetworkSecurityImpelntingCISCOIOSNetworkSecurityDHCPSnoopingDHCPSnoopinghowtosecureyourperimeterrouterhowtosecureyourperimeterrouterSecurityFirewallWithSDMDemoSecurityFirewallWithSDMDemo

    HowtoEnableSSHintheCiscoIOSHowtoEnableSSHintheCiscoIOSHowtoenableSSHandHTTPSaccesstoCiscoRouterHowtoenableSSHandHTTPSaccesstoCiscoRouterAuthenticationServerAuthenticationServer

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    CCNPRoutingTutorialVideoinHindiCCNPRoutingTutorialVideoinHindi

    GetDailyGetDailyUpdatebyEmailUpdatebyEmail

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    RoutingProtocolRoutingProtocol

    OpenShortestPathfirst(OSPF)OpenShortestPathfirst(OSPF)

    EnhanceInteriorGatewayProtocol(EIGRP)EnhanceInteriorGatewayProtocol(EIGRP)

    RoutingInformationProtocol(RIP)RoutingInformationProtocol(RIP)

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    DHCPDHCP

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    FirewallFirewall

    LAN,MAN,WANLAN,MAN,WAN

    MSOutlookMSOutlook

    NetworkingBasicNetworkingBasic

    OSIModelOSIModel

    ProtocolProtocol

    RepeaterRepeater

    RouterRouter

    RoutingRouting

    RoutingprotocolRoutingprotocol

    SubnetingSubneting

    HOMEHOME NETWORKINGNETWORKING CISCOCISCO LINUXLINUX DOWNLOADDOWNLOAD TUTORIALVIDEOTUTORIALVIDEO TROUBLESHOOTINGTROUBLESHOOTING

    TIPS&TRICKST IPS&TRICKS LINUXVIDEOINHINDILINUXVIDEOINHINDI WINDOWSSERVER2008TUTOTIALVIDEOINHINDIWINDOWSSERVER2008TUTOTIALVIDEOINHINDI

    SERVER2012TUTORIALVIDEOINHINDISERVER2012TUTORIALVIDEOINHINDI

    ComputerNetworkingComputerNetworkingT hiswebsiterelatedtoComputernetworkingandcollect ionof T hiswebsiterelatedtoComputernetworkingandcollect ionof tutorialPPT f iles,PDFf iles,NetworkingT ipsandSolut ion.tutorialPPT f iles,PDFf iles,NetworkingT ipsandSolut ion.

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  • IntroductionofCCNPIntroductionofCCNPIntroductionofIBGPandEBGPIntroductionofIBGPandEBGPFundamentalofBGPFundamentalofBGPCiscoDiscoveryProtocol(CDP)CiscoDiscoveryProtocol(CDP)OSPFNeighborStateInRoutingOSPFNeighborStateInRoutingOSPFMultiAreaConfigurationOSPFMultiAreaConfigurationDHCPConfigurationofCiscoRouterDHCPConfigurationofCiscoRouterEIGRPRedistributionPart1EIGRPRedistributionPart1

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    BootingProcessofCiscoRouterBootingProcessofCiscoRouter

    BootStrapprogramBootStrapprogram

    When Power on the Router then First it will do POST (Power on Self Test ) . TheWhen Power on the Router then First it will do POST (Power on Self Test ) . ThePOST analyze Hardware Component of Router . It verify that all Router interfacePOST analyze Hardware Component of Router . It verify that all Router interfaceproperlyworkingornot.AfterthePOSTitwillbootitselfwithhelpofProgramwhichisproperlyworkingornot.AfterthePOSTitwillbootitselfwithhelpofProgramwhichisstoreinROM.storeinROM.

    SwitchSwitch

    VLAN(VirtualLAN)VLAN(VirtualLAN)

    VPNVPN

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  • HowtoconfigureHowtoconfiguretwotwoCiscoRouterCiscoRoutertogethertogether

    HowtoConfigureHowtoConfigureVLANinCiscoVLANinCiscoswitchswitch

    HowtoConfigureHowtoConfigureRIP(RoutingRIP(RoutingInformationInformationprotocol)protocol)on...on...

    OSIModelOSIModel CCNPCCNP

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    OSPF(OpenShortestPathFirst)OSPF(OpenShortestPathFirst)

    OpenShortestpathFirst(OSPF)OpenShortestpathFirst(OSPF)isaLinkstateRoutingProtocol.ItisOpenisaLinkstateRoutingProtocol.ItisOpenstandardRoutingprotocolthatmeanscansupportanyVendorsunlikeEIGRP.OSPFusestandardRoutingprotocolthatmeanscansupportanyVendorsunlikeEIGRP.OSPFuseDijkstraalgorithmtofindtheShortestpathFirstinthenetwork.LinkstateprotocolupdateDijkstraalgorithmtofindtheShortestpathFirstinthenetwork.LinkstateprotocolupdateRoutingtablewhenchangeaccureintheRoutingtopologyandthenitcreateLinkstateRoutingtablewhenchangeaccureintheRoutingtopologyandthenitcreateLinkstateAdvertisement(LSA).OSPFsupportClasslessIPaddress.Advertisement(LSA).OSPFsupportClasslessIPaddress.

    OSPFFeatureOSPFFeature

    OSPFsupportClasslessOSPFsupportClasslessOSPFprovidefastconversioncomparisontoRIPOSPFprovidefastconversioncomparisontoRIPOSPFallowscalabilityOSPFallowscalabilityOSPFSupportVLSM/CIDROSPFSupportVLSM/CIDROSPFisaOpenstandardprotocolwhichsupportmultiplevendordeployment.OSPFisaOpenstandardprotocolwhichsupportmultiplevendordeployment.OSPFhasUnlimitedhopCount.OSPFhasUnlimitedhopCount.

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    HowtoConfigureRIP(RoutingInformationHowtoConfigureRIP(RoutingInformationprotocol)protocol)onCiscoRouteronCiscoRouter

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  • HowtoconfigureHowtoconfigureStaticRoutingStaticRoutingprotocolinciscoprotocolinciscoRouterRouter

    HowtoconfigureHowtoconfiguretwotwoCiscoRouterCiscoRoutertogethertogether

    BootingProcessofBootingProcessofCiscoRouterCiscoRouter

    HowtoConfigureHowtoConfigureVLANinCiscoVLANinCiscoswitchswitch

    WhatisDefaultWhatisDefaultRoutingRouting

    ConfigurationOfConfigurationOfRouter1Router1

    Router>Router>Router>enRouter>enRouter#conftRouter#conftRouter#hostnameR1Router#hostnameR1R1(config)#R1(config)#ToConfigureIPaddressToConfigureIPaddressonRouter1interfacesonRouter1interfaces

    R1(config)#ints0/0/0R1(config)#ints0/0/0R1(configif)#ipadd10.1.1.1R1(configif)#ipadd10.1.1.1255.0.0.0255.0.0.0R1(configif)#clockrate64000R1(configif)#clockrate64000R1(configif)#noshutR1(configif)#noshutR1(configif)#intf0/0R1(configif)#intf0/0R1(configif)#ipadd172.16.1.1255.255.0.0R1(configif)#ipadd172.16.1.1255.255.0.0R1(configif)#noshutR1(configif)#noshutR1(configif)#exitR1(configif)#exitEnableRIPprotocoltoRouter1EnableRIPprotocoltoRouter1

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    Labels:Labels:CCNALabCCNALab,,CisconetworkingCisconetworking,,networkingnetworking,,NetworkingTipsNetworkingTips

    DifferentbetweenPublicIPAddressandPrivetDifferentbetweenPublicIPAddressandPrivetIPaddressIPaddress

    PublicIPaddressPublicIPaddressPublicIPaddressisaaddressthatcanbeaccessiblebyeveryoneovertheInternet.PublicIPaddressisaaddressthatcanbeaccessiblebyeveryoneovertheInternet.PublicIPaddressprovidebytheISP(InternetserviceProvider).ISPresponsibleforPublicIPaddressprovidebytheISP(InternetserviceProvider).ISPresponsiblefortheregisteringIPaddressrangtoprovidetheOrgnization.theregisteringIPaddressrangtoprovidetheOrgnization.

    PrivetIPAddressPrivetIPAddressPrivetIPaddressassigntotheLocalAreanetworkwhichcanbeaccessibleonlywithinPrivetIPaddressassigntotheLocalAreanetworkwhichcanbeaccessibleonlywithintheLocalareanetwork.ItscanbeaccessbyoutsideofLocalareanetwork.theLocalareanetwork.ItscanbeaccessbyoutsideofLocalareanetwork.

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  • RangofPrivetareanetworkRangofPrivetareanetwork

    ClassA10.0.0.0ClassA10.0.0.0toto10.255.255.25510.255.255.255ClassB172.16.0.0ClassB172.16.0.0toto172.31.255.255172.31.255.255ClassC192.168.0.0ClassC192.168.0.0toto192.168.255.255192.168.255.255

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    HowtoconfigureStaticRoutingprotocolinHowtoconfigureStaticRoutingprotocolinciscoRouterciscoRouter

    StaticRoutingStaticRoutingInstaticroutingNetworkadministratorInstaticroutingNetworkadministratorManuallyassignIPaddresstoeachrouter.ManuallyassignIPaddresstoeachrouter.

    SyntaxSyntax

    Router(config)#iproute

    ConfigurationofRouter1ConfigurationofRouter1

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    HowtoconfigureHowtoconfiguretwotwoCiscoRouterCiscoRoutertogethertogether

    BasicofTwoRouterLABBasicofTwoRouterLAB

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  • ConfigurationofRouter1ConfigurationofRouter1

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    HowtoConfigureVLANinCiscoswitchHowtoConfigureVLANinCiscoswitch

    VLANisStandforVirtualLAN.Itmeansdevicelogicallydividedintodifferent2LAN.ItsVLANisStandforVirtualLAN.Itmeansdevicelogicallydividedintodifferent2LAN.Itsimprovesecurityandreliabilityofyournetwork.Switchcreatelogicalbroadcastdomaintoimprovesecurityandreliabilityofyournetwork.SwitchcreatelogicalbroadcastdomaintoeachVLAN.eachVLAN.

    VLANCreationinSwitch1VLANCreationinSwitch1

    switch1switch1>en>en

    switch1#switch1#conftconft

    switch2#vlandatabaseswitch2#vlandatabase

    switch1(vlan)#switch1(vlan)#vlan10vlan10

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  • VLAN10added:VLAN10added:

    Name:VLAN0010Name:VLAN0010

    switch1(vlan)#switch1(vlan)#vlan20vlan20

    VLAN20added:VLAN20added:

    Name:VLAN0020Name:VLAN0020

    switch1(vlan)#switch1(vlan)#exitexit

    APPLYcompleted.APPLYcompleted.

    Exiting....Exiting....

    switch1#switch1#

    AssignIPaddresstotheVLANAssignIPaddresstotheVLAN

    switch1switch1>en>en

    switch1#switch1#conftconft

    switch1(config)#switch1(config)#intvlan10intvlan10

    switch1(configif)#switch1(configif)#ipadd192.168.1.1255.255.255.0ipadd192.168.1.1255.255.255.0

    switch1(configif)#switch1(configif)#noshutnoshut

    switch1(configif)#switch1(configif)#exitexit

    switch1(config)#switch1(config)#intvlan20intvlan20

    switch1(configif)#switch1(configif)#ipadd192.168.2.1255.255.255.0ipadd192.168.2.1255.255.255.0

    switch1(configif)#switch1(configif)#noshutnoshut

    switch1(configif)#switch1(configif)#exitexit

    switch1(config)#switch1(config)#exitexit

    AssignPorttotheVLANAssignPorttotheVLAN

    switch1switch1#conft#conft

    switch1(config)#switch1(config)#intf0/2intf0/2

    switch1(configif)#switch1(configif)#switchportmodeaccessswitchportmodeaccess

    switch1(configif)#switch1(configif)#switchportaccessvlan10switchportaccessvlan10

    switch1(configif)#switch1(configif)#intf0/3intf0/3

    switch1(configif)#switch1(configif)#switchportmodeaccessswitchportmodeaccess

    switch1(configif)#switch1(configif)#switchportaccessvlan10switchportaccessvlan10

    switch1(configif)#switch1(configif)#intf0/4intf0/4

    switch1(configif)#switch1(configif)#switchportmodeaccessswitchportmodeaccess

    switch1(configif)#switch1(configif)#switchportaccessvlan20switchportaccessvlan20

    switch1(configif)#intf0/5switch1(configif)#intf0/5

    switch1(configif)#switch1(configif)#switchportmodeaccessswitchportmodeaccess

    switch1(configif)#switch1(configif)#switchportaccessvlan20switchportaccessvlan20

    ShowVLANINFORMATIONShowVLANINFORMATION

    switch1#switch1#shvlanshvlan

  • VLANNameStatusPortsVLANNameStatusPorts

    1defaultactiveFa0/1,Fa0/6,1defaultactiveFa0/1,Fa0/6,

    Fa0/7Fa0/7Fa0/8Fa0/8

    Fa0/9,Fa0/10,Fa0/9,Fa0/10,

    Fa0/Fa0/12Fa0/Fa0/12

    Fa0/13,Fa0/14,Fa0/13,Fa0/14,

    Fa0/15,Fa0/16Fa0/15,Fa0/16

    Fa0/17,Fa0/18,Fa0/17,Fa0/18,

    Fa0/19,Fa0/20Fa0/19,Fa0/20

    Fa0/21,Fa0/22,Fa0/21,Fa0/22,

    Fa0/23,Fa0/24Fa0/23,Fa0/24

    Gig1/1,Gig1/2Gig1/1,Gig1/2

    10VLAN0010activeFa0/2,Fa0/310VLAN0010activeFa0/2,Fa0/3

    20VLAN0020activeFa0/4,Fa0/520VLAN0020activeFa0/4,Fa0/5

    VLANCreationinSwitch2VLANCreationinSwitch2switch2switch2>en>en

    switch2#switch2#conftconft

    switch2#vlandatabaseswitch2#vlandatabase

    switch2(vlan)#switch2(vlan)#vlan10vlan10

    VLAN10addedVLAN10added

    Name:VLAN0010Name:VLAN0010

    switch2(vlan)#switch2(vlan)#vlan20vlan20

    VLAN20added:VLAN20added:

    Name:VLAN0020Name:VLAN0020

    switch2(vlan)#switch2(vlan)#exitexit

    APPLYcompleted.APPLYcompleted.

    Exiting....Exiting....

    AssignIPaddresstotheVLANAssignIPaddresstotheVLAN

    switch2>switch2>enen

    switch2#switch2#conftconft

    switch2(config)#switch2(config)#intvlan10intvlan10

    switch2(configif)#switch2(configif)#ipadd192.168.1.1255.255.255.0ipadd192.168.1.1255.255.255.0

    switch2(configif)#switch2(configif)#noshutnoshut

    switch2(configif)#switch2(configif)#exitexit

    switch2(config)#switch2(config)#intvlan20intvlan20

    switch2(configif)#switch2(configif)#ipadd192.168.2.1255.255.255.0ipadd192.168.2.1255.255.255.0

    switch2(configif)#switch2(configif)#noshutnoshut

    switch2(configif)#switch2(configif)#exitexit

    AssignSwitchPorttoVLANAssignSwitchPorttoVLANswitch2#switch2#conftconft

    switch2(config)#switch2(config)#intf0/2intf0/2

    switch1(configif)#switch1(configif)#switchportmodeaccessswitchportmodeaccess

    switch2(configif)#switch2(configif)#switchportaccessvlan10switchportaccessvlan10

    switch2(configif)#switch2(configif)#intf0/3intf0/3

  • switch1(configif)#switch1(configif)#switchportmodeaccessswitchportmodeaccess

    switch2(configif)#switch2(configif)#switchportaccessvlan10switchportaccessvlan10

    switch2(configif)#switch2(configif)#intf0/4intf0/4

    switch1(configif)#switch1(configif)#switchportmodeaccessswitchportmodeaccess

    switch2(configif)#switch2(configif)#switchportaccessvlan20switchportaccessvlan20

    switch2(configif)#switch2(configif)#intf0/5intf0/5

    switch1(configif)#switch1(configif)#switchportmodeaccessswitchportmodeaccess

    switch2(configif)#switch2(configif)#switchportaccessvlan20switchportaccessvlan20

    switch2(configif)#switch2(configif)#exitexit

    ShowVLANinformationinswitch2ShowVLANinformationinswitch2

    switch2#switch2#shvlanshvlan

    VLANNameStatusPortsVLANNameStatusPorts

    1defaultactiveFa0/1,Fa0/6,1defaultactiveFa0/1,Fa0/6,

    Fa0/7Fa0/7Fa0/8Fa0/8

    Fa0/9,Fa0/10,Fa0/9,Fa0/10,

    Fa0/Fa0/12Fa0/Fa0/12

    Fa0/13,Fa0/14,Fa0/13,Fa0/14,

    Fa0/15,Fa0/16Fa0/15,Fa0/16

    Fa0/17,Fa0/18,Fa0/17,Fa0/18,

    Fa0/19,Fa0/20Fa0/19,Fa0/20

    Fa0/21,Fa0/22,Fa0/21,Fa0/22,

    Fa0/23,Fa0/24Fa0/23,Fa0/24

    Gig1/1,Gig1/2Gig1/1,Gig1/2

    10VLAN0010activeFa0/2,Fa0/310VLAN0010activeFa0/2,Fa0/3

    20VLAN0020activeFa0/4,Fa0/520VLAN0020activeFa0/4,Fa0/5

    InthisinformationportFa0/2andFa0/3aredefineforVLAN10,andPortFa0/4andInthisinformationportFa0/2andFa0/3aredefineforVLAN10,andPortFa0/4andFa0/5aredefineforVLAN20Fa0/5aredefineforVLAN20

    0comments0comments

    Labels:Labels:CisconetworkingCisconetworking,,networkingnetworking

    DifferencebetweenHubandSwitchDifferencebetweenHubandSwitch

    HUBHUB

    HUBisaleastexpansivedevice.HUBisaleastexpansivedevice.ItusedtoconnectsegmentofaLAN.ItusedtoconnectsegmentofaLAN.Whenframecometoaportthenhubtransmitthatframetoalloutgoingport.Whenframecometoaportthenhubtransmitthatframetoalloutgoingport.Itisahalfduplexdevice.Itisahalfduplexdevice.

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  • ItisalayeronedeviceofItisalayeronedeviceofOSImodel.OSImodel.

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    Openshortestpathfirst(OSPF)Openshortestpathfirst(OSPF)Open shortest path first(OSPF)Open shortest path first(OSPF) is a link state routing protocol and open standardis a link state routing protocol and open standardprotocolmean to say that it canbeusedwith any vendor not likeEIGRP . it is interiorprotocolmean to say that it canbeusedwith any vendor not likeEIGRP . it is interiorgateway routing protocol used to distribute routing information with in an autonomousgateway routing protocol used to distribute routing information with in an autonomoussystem. InOSPF if changed occur in the network then router willmulticasts the routingsystem. InOSPF if changed occur in the network then router willmulticasts the routinginformation to all the nodes in the network . so that all nodes will be the same routinginformation to all the nodes in the network . so that all nodes will be the same routinginformation.information.

    OSPFusesDijkstrausesalgorithmtofindthebestrouteinthenetworktoforwardpacketOSPFusesDijkstrausesalgorithmtofindthebestrouteinthenetworktoforwardpacketfromsourcetodestination.itisusesSPFtreeforroutecalculationtofindtheneighbor.fromsourcetodestination.itisusesSPFtreeforroutecalculationtofindtheneighbor.

    OSPFProperties:OSPFProperties:

    ItisclasslesssoitsupportVLSM/CIDR.ItisclasslesssoitsupportVLSM/CIDR.IthasunlimitedHopcount.IthasunlimitedHopcount.Itissupportmultiplevendor.Itissupportmultiplevendor.Minimizingroutingupdatetraffic.Minimizingroutingupdatetraffic.Allowscalability.Allowscalability.ItsA.Dvalue110.ItsA.Dvalue110.Itsupportequalcastloadbalancing.Itsupportequalcastloadbalancing.Itisalsosupportauthentication.Itisalsosupportauthentication.

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    Enhanceinteriorgatewayprotocol(EIGRP)Enhanceinteriorgatewayprotocol(EIGRP)Enhance interior gateway protocol(EIGRP)Enhance interior gateway protocol(EIGRP) is a balance hybrid protocol and also is a balance hybrid protocol and alsocisco properties protocol it means this protocol only can support Cisco environment orcisco properties protocol it means this protocol only can support Cisco environment orCiscodevices . to find thebestpath ituses lowestmetric if theRouterhasmultiple linkCiscodevices . to find thebestpath ituses lowestmetric if theRouterhasmultiple linkthen the best path is selected on the basis of the lowest metric. it is include thethen the best path is selected on the basis of the lowest metric. it is include thesubnetmaskinitsroutingupdate.subnetmaskinitsroutingupdate.

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  • RoutingInformationprotocol(RIP)RoutingInformationprotocol(RIP)Routing information protocol (RIP)Routing information protocol (RIP) is a Distance vector protocol which used to find the is aDistance vector protocol which used to find thebest path based on the hope count in the network . RIP perform routing onlybest path based on the hope count in the network . RIP perform routing onlysingleautonomoussystembecause it isa interiorgatewayprotocol .Numberofhops insingleautonomoussystembecause it isa interiorgatewayprotocol .Numberofhops intheRIPislimitedthatwhyitpreventfromroutingloopingbecausenoofhopswillexceedtheRIPislimitedthatwhyitpreventfromroutingloopingbecausenoofhopswillexceed(means16hop) consideredas unreachable .RIPhasmaxnumber of hop15. Inwhich(means16hop) consideredas unreachable .RIPhasmaxnumber of hop15. Inwhichpathofremotenetworknumberofhopswillbelessthatpathconsideredasbestpathforpathofremotenetworknumberofhopswillbelessthatpathconsideredasbestpathforroutepackettothedestination.routepackettothedestination.

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    whatisRoutingloopwhatisRoutingloopRouting loop is a common problemoccur in the network during forwarding packet fromRouting loop is a common problemoccur in the network during forwarding packet fromsourcetodestination.Routingloopisaconditioninwhichpacketiscontinuallymovinginsourcetodestination.Routingloopisaconditioninwhichpacketiscontinuallymovinginthecirclewithoutreachingdestination. itshappenduetomisscommunication, incorrectthecirclewithoutreachingdestination. itshappenduetomisscommunication, incorrectinformationupdateintheroutingtableanditcanbemissconfigurationofrouter.mostlyitsinformationupdateintheroutingtableanditcanbemissconfigurationofrouter.mostlyitshappeninthelargenetworkbecauseanylinkgoesdownandnotinformtosourcerouter.happeninthelargenetworkbecauseanylinkgoesdownandnotinformtosourcerouter.aboutthelinkgoesdown.aboutthelinkgoesdown.

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    WhatisRoutingProtocolWhatisRoutingProtocolTherearethreeclassesofRoutingprotocolTherearethreeclassesofRoutingprotocol1Distancevector:1Distancevector:ThoseprotocolwhichisfindthebestpathtoaremotenetworkonThoseprotocolwhichisfindthebestpathtoaremotenetworkonthebasisofdistancevectorprotocolandthevectorindicatethedirection.Theroutethebasisofdistancevectorprotocolandthevectorindicatethedirection.TherouteRouteconsiderasabestRoutewhichiswithleastnumberofHope(Router).DistanceRouteconsiderasabestRoutewhichiswithleastnumberofHope(Router).DistancevectorRoutingprotocolsendallroutingtableinroutingupdatebutonlyneighborRouter.vectorRoutingprotocolsendallroutingtableinroutingupdatebutonlyneighborRouter.

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    WhatisDynamicRoutingWhatisDynamicRoutingAtypeofRoutinginwhichprotocolareusedtofindbestandshortestpathforroutetheAtypeofRoutinginwhichprotocolareusedtofindbestandshortestpathforroutethedata for the destination and also used to find network and dynamically update Routingdata for the destination and also used to find network and dynamically update Routingtable.DynamicRoutingprotocolalsosupportapplicationsoftwarewhicharerunningonthetable.DynamicRoutingprotocolalsosupportapplicationsoftwarewhicharerunningontherouter.thereareseveralprotocolusinginthedynamicroutingwhichisknownasRoutingrouter.thereareseveralprotocolusinginthedynamicroutingwhichisknownasRouting

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  • protocol.protocol.

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    WhatisDefaultRoutingWhatisDefaultRoutingDefaultRoutingDefaultRoutingusedonly inastubnetwork whichhasonlyoneexit interface in thisusedonly inastubnetwork whichhasonlyoneexit interface in thistypeofRoutingadministratordosenothasknowledgeofthedestinationbutitmustknowtypeofRoutingadministratordosenothasknowledgeofthedestinationbutitmustknowthenexthopeaddress.itismainlyusedthattypeofroutingwhichhasslowerlink.Ithasthenexthopeaddress.itismainlyusedthattypeofroutingwhichhasslowerlink.Ithasverylesssecurity.verylesssecurity.

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    whatisStaticRoutingwhatisStaticRoutingInStaticRoutingadministratorhasknowledgeabouttheirnetworksohemanuallydefineInStaticRoutingadministratorhasknowledgeabouttheirnetworksohemanuallydefinetherouteintheroutingtableforroutingpacketfromsourcetodestination.therouteintheroutingtableforroutingpacketfromsourcetodestination.

    Advantageofstaticrouting:Advantageofstaticrouting:

    ThereisnooverheadontheCPUofRoutersowecanusecheaprouterThereisnooverheadontheCPUofRoutersowecanusecheaprouterThisissecureroutingThisissecurerouting

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    CCNPCCNPCiscocertifiednetworkprofessionals (CCNP) isasecond levelCiscocertifiednetworkprofessionals (CCNP) isasecond levelof CISCO certification exam which is offer by Cisco systemof CISCO certification exam which is offer by Cisco system.Requirement for CCNP exam should be passed of Cisco.Requirement for CCNP exam should be passed of Ciscocertifiednetworkassociates(CCNA)exam.CCNAcertificationcertifiednetworkassociates(CCNA)exam.CCNAcertificationisvalidfor3years ifwithin3yearCCNPcertificationwillnodoisvalidfor3years ifwithin3yearCCNPcertificationwillnodothen CCNA certification will be expire. Now days threethen CCNA certification will be expire. Now days threeCCNPspecializationofferedbyCISCO:CCNPspecializationofferedbyCISCO:CCNPcertification isconsideredproof thatcertifiedpersonwouldbeableforwork in theCCNPcertification isconsideredproof thatcertifiedpersonwouldbeableforwork in thenetworkinfrastructure.networkinfrastructure.Thereis3partofCCNPThereis3partofCCNP

    RoutingRouting

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    OSIModelOSIModelTheTheOSIModel(Opensysteminterconnectionmodel)OSIModel(Opensysteminterconnectionmodel)have7layereachlayerishave7layereachlayerisresponsiblefordatacommunicationinnetwork.Layerisasmallerpartofcommunicationresponsiblefordatacommunicationinnetwork.Layerisasmallerpartofcommunicationsystem.Thelayeraredividedintopartupperlayerandlowerlayer.Theupperlayersystem.Thelayeraredividedintopartupperlayerandlowerlayer.Theupperlayerresponsibleforuserapplicationhowfilearerepresentonthecomputerandlowerlayerresponsibleforuserapplicationhowfilearerepresentonthecomputerandlowerlayerresponsibleforhowtocommunicationbetweennetwork.Eachlayerreceiveservicefromitsresponsibleforhowtocommunicationbetweennetwork.Eachlayerreceiveservicefromitslowerlayer.lowerlayer.

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