CCNA 3 Labs and Study Guide - BINARYBB.INFO – @jagalbraith

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160 Switching Basics and Intermediate Routing CCNA 3 Labs and Study Guide Task 5: Configure MD5 Authentication Step 1. To make sure routing updates come from trusted sources, configure each router to use MD5 authentication. The configuration for RTA follows: RTA(config)#interface serial 0/0 RTA(config-if)#ip ospf message-digest-key 1 md5 7 allrouters RTA(config)#interface serial 0/1 RTA(config-if)#ip ospf message-digest-key 1 md5 7 allrouters RTA(config-if)#router ospf 1 RTA(config-router)#area 0 authentication message-digest Step 2. After configuring authentication on each router, neighbor adjacency will go to the DOWN state and then reinitialize. Make sure that all routing tables have reconverged by issuing the show ip route command. The table for RTA follows: RTA#show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set 209.165.202.0/32 is subnetted, 1 subnets C 209.165.202.129 is directly connected, Loopback0 192.168.1.0/24 is variably subnetted, 6 subnets, 2 masks O 192.168.1.64/26 [110/65] via 192.168.1.246, 00:06:25, Serial0/1 C 192.168.1.0/26 is directly connected, FastEthernet0/0 O 192.168.1.248/30 [110/323] via 192.168.1.246, 00:06:25, Serial0/1 [110/323] via 192.168.1.253, 00:06:25, Serial0/0 C 192.168.1.252/30 is directly connected, Serial0/0 C 192.168.1.244/30 is directly connected, Serial0/1 O 192.168.1.128/26 [110/65] via 192.168.1.253, 00:06:26, Serial0/0 Step 3. You can verify authentication by using the show ip ospf command or the show ip ospf interface command. RTA#show ip ospf Routing Process “ospf 1” with ID 209.165.202.129 Supports only single TOS(TOS0) routes Supports opaque LSA SPF schedule delay 5 secs, Hold time between two SPFs 10 secs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs Number of external LSA 0. Checksum Sum 0x0 Number of opaque AS LSA 0. Checksum Sum 0x0 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 1. 1 normal 0 stub 0 nssa External flood list length 0 Area BACKBONE(0)
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Switching Basics and Intermediate R
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Trademark Acknowledgments All terms
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Dedications To my wife Becky, and m
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Contents at a Glance Chapter 1: Int
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Task 16: Configure the Fast Etherne
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DR/BDR Election Exercise 114 Journa
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Comprehensive Lab 2-7: OSPF Configu
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LAN Switches 237 Vocabulary Exercis
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Task 3: Verify Connectivity 283 Tas
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Task 5: Look at the Switches’ Spa
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Task 2: Configure the Hosts Attache
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Challenge Lab 9-6: Advanced Switchi
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Introduction Switching Basics and I
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Work through the Study Guide and La
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CHAPTER 1 Introduction to Classless
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Vocabulary Exercise: Matching Chapt
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Class C Subnetting Scenario Use the
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Prefix Length Use Exercises Use the
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2. 192.168.35.142/29 IP address 110
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4. Use subnet 4 from the last quest
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Figure 1-1 Addressing Design Exerci
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List the address space that is stil
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Figure 1-7 Addressing Design Scenar
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VLSM Addressing Design Scenario 3 C
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Device Interface IP Address Subnet
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For the solution shown in Figure 1-
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First IP 192.168.1.0 11000000.10101
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Figure 1-17 Summary Route Exercise
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Figure 1-19 Summary Route Exercise
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Concept Questions List at least thr
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Figure 1-22 Mom and Pop’s Stop &
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Students should be well versed in u
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Lab Exercises Command Reference In
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Table 1-2 IP Address Range for 192.
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Table 1-8 IP Address Range for 192.
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To finish our visual, we label all
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Task 1: Basic Router Configuration
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Figure 1-29 HyperTerminal Interface
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Task 8: Configure Hostname and Pass
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Task 17: Configure the IP Host Stat
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Curriculum Lab 1-3: Converting RIPv
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BHM(config)#interface serial 0 BHM(
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Curriculum Lab 1-4: Verifying RIPv2
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Task 7: Verify that the Internetwor
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Have they changed now that RIPv2 is
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i - IS-IS, L1 - IS-IS level-1, L2 -
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Redistributing: rip Default version
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The enable, VTY, and console passwo
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policy Policy routing rip RIP proto
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Will the routing table be updated t
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Objectives ■ Review basic router
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Task 3: Verify Connectivity Step 1.
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RTA have a default route. ISP canno
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area E1 - OSPF external type 1, E2
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! logging synchronous login end RTA
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! no shutdown interface Serial0/0 !
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! line con 0 exec-timeout 30 0 pass
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Step 2. Each simulated LAN requires
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C 10.1.8.128 is directly connected,
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RTA(config-if)#ip summary-address r
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Now configure RTB to summarize the
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password cisco logging synchronous
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ip host ISP 209.165.201.1 ip host R
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CHAPTER 2 Single-Area OSPF The Stud
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Vocabulary Exercise: Completion Com
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The term link simply refers to the
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Figure 2-1d Loop-free Topology for
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Learn the OSPF Commands Exercise 1.
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11. The DR/BDR election is based on
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The Cisco IOS uses the 10 8 /bps fo
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Figure 2-6 Propagating a Default Ro
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Network DR/BDR Election? Which Rout
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Command Description Router#show ip
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BERLIN Router>enable Router#configu
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Step 3. Ping from one of the connec
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Table 2-3 Lab Equipment Configurati
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BRASILIA(config-line)#login BRASILI
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Are entries in the routing table? N
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Task 14: Verify OSPF Interface Conf
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Objectives ■ Set up an IP address
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Step 2. Each workstation should be
Page 326: Step 2. Examine the running configu
Page 330: Step 5. Verify or explain the previ
Page 334: Dublin(config-line)#password cisco
Page 338: Washington(config)#router ospf 1 Wa
Page 342: Curriculum Lab 2-5: Configuring OSP
Page 346: Sydney(config)#ip host Rome 192.168
Page 350: Task 7: Observe OSPF Traffic Step 1
Page 354: After you complete the previous ste
Page 358: Task 2: Configure the Area 0 OSPF R
Page 362: Task 5: Verify Connectivity Ping fr
Page 366: Task 11: Verify Connectivity from t
Page 370: Equipment The topology shown in Fig
Page 374: Success rate is 100 percent (5/5),
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186 Switching Basics and Intermedia
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CCNA 3 Labs and Study Guide - BINARYBB.INFO – @jagalbraith

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