CCNA2_Open_Lab (1130749)

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CCNA – Semester2Semester 2Open LabSystem parameters•••••••Configuration register valueIOS imagePassword RecoveryVolume of RAM, NVRAM, FlashStatus of router interfacesRouter tablesDiscover neighborsDiscover system parameters• How to view the configuration-register and how tochange it?• How to find out about system image? How tobackup system image?• What is the volume of Flash, NVRAM, RAM?• How to see detail information about interfaces?• How to see all router supported interfaces?• How to find out the attached cable and physicalrate?• How to view ARP, HOST, routing table?• How to discover neighbor’s information, whatwould be the reasons if it does not work?Router global configuration••••••••(config)#hostname(config)#enable secret(config)#service password-encryption(config)#ip host(config)#ip name-server(config)#ip domain-lookup(config)#ip http server(config)#banner motd #...#Routing and Interface configuration• (conf-if)#clock rate• (conf-if)#encapsulation• (conf-if)#description••••(conf-router)#network(conf-router)#redistribute(conf-router)#timer basic(conf-router)#passive-interfaceRouting Scheme• Static routing vs.

dynamic routing• Distance-vector routing vs. link-state routing• IP route default vs. ip default-networkSHOW IP ROUTE commandDefault RouteTroubleshooting Routing• Check for errors in layer 1, layer 2 then layer 3:––––––Show ip routeShow ip protocolPingTracerouteDebug ip ripDebug ip igrp transactionACL••••••Standard ACLs vs. extended ACLsNumbered ACLs vs. named ACLsSubnet mask vs. wildcard maskProperly place ACLs on interfacesProperly devide and filter IP rangesProperly control traffic based on type, flow,access directionTeamwork• Elect a team leader, someone knowledgeable,organized and knows others’ abilities• It is best that members can do everything but it isbetter to assign the job the the right member.• Organizing is important, the leader must keepothers focus, on time and in order• Plan first then executeTeamwork• Problem of starting maybe time-consuming but can beavoided if organized well.• 1st member draw topology and parameters on the board• 2nd member checks the physical wiring and provideinformation for 1st member• 3rd member runs the console or ethernet cable (includingchecking connection, erase old config)• 4th and 5th members deal with IP, IPX scheme andassignment as well as other relating issuesWork FlowAnalyzingPlanningOrganizingImplemetingVerifyingLAB Topology(5)WS_BWS_DGiven the IP address range: 190.6.0.0/16-Assign IP address to all host in thenetwork-Serial connection using clock rate 64kand HDLC encapsulation-Using meaningful banner and description-All access must be authenticatedLAB_BLAB_AWS_ALAB_DLAB_C-Be able to telnet to and config all routersusing name-Capture config using tftp-server or hyperterminal-Only allow Lab_C to telnet to LAB_B-Do not allow any host except WS_A andWS_B access LAB_C websiteLAB_EWS_C-Config routing using IGRP with ASnumber of 200 for Lab B, C, D-Lab A and Lab E use default route onlyWS_ELAB Topology(6)WS_EWS_DR_1WS_FR_5R_3R_2R_4WS_AWS_BR_6WS_CGiven the IP address range:220.10.5.0Assign IP address to all hosts in thenetwork-Serial connection using clock rate 64kand HDLC encapsulation-Config routing using IGRP with ASnumber of 90 for R2, R3, R4, R5-R1 and R6 use default route only-Be able to use name to access otherrouters-Using meaningful banner anddescription-All access must be authenticated-Capture config using tftp-server orhyper terminal-Do not allow R1 and R6 Ethernetnetwork to telnet to R_3-Only allow WS_A and WS_B to accessR_4 website.

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