Lab 7.2.6 Troubleshooting RIP – Instructor Version 2500
Contents
1. 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 El 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 Cc 172 17 0 0 16 is directly connected Serialo R 172 16 0 0 16 120 1 via 172 17 0 1 00 00 19 Serialo C 172 18 0 0 16 is directly connected Etherneto0 BHM 215 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc GAD 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 El 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 172 17 0 0 16 is directly connected Serialo C 172 16 0 0 16 is directly connected Etherneto0 R 172 18 0 0 16 120 1 via 172 17 0 2 00 00 03 Serial GAD debug ip rip GAD T2. oo Router BHM 1721801 ore 1721702 25525800 elass aso Straight through cable Serial cable es Console Rollover Co ccccccccccccccccccs Crossover cable wm meme He Objective e Setup an IP addressing scheme using class B networks e Configure RIP on routers e Observe routing activity using the debug ip rip command e Examine routes using the show ip route command Background Preparation Cable a network similar to the one in the diagram Any router that meets the interface requirements displayed in the above diagram such as 800 1600 1700 2500 2600 routers or a combination may be used Please refer to the chart at the end of the lab to correctly identify the interface identifiers to be used based on the equipment in the lab The configuration output used in this lab is produced from 1721 series routers Any other router used may produce a slightly different output The following steps are intended to be executed on each router unless specifically instructed otherwise Start a HyperTerminal session as performed in the Establishing a HyperTerminal session lab 632 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc Note Go to the erase and reload instructions at the end of this lab Perform those steps on all routers in this lab assignment before continuing Step 1 Configure the routers a On the routers enter the global configuration mode and configure the hostname
3. 1 Serial 0 SO Serial 1 S1 2600 FastEthernet 0 0 FastEthernet 0 1 FA0 1 Serial 0 0 S0 0 Serial 0 1 FA0 0 S0 1 In order to find out exactly how the router is configured look at the interfaces This will identify the type of router as well as how many interfaces the router has There is no way to effectively list all of the combinations of configurations for each router class What is provided are the identifiers for the possible combinations of interfaces in the device This interface chart does not include any other type of interface even though a specific router may contain one An example of this might be an ISDN BRI interface The string in parenthesis is the legal abbreviation that can be used in IOS command to represent the interface 636 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc GAD show running config version 12 0 service timestamps debug datetime service timestamps log uptime no service password encryption hostname GAD I enable secret 5 1 EQ 1 kkilqajASc4CE6 Bx6n1C ip subnet zero interface FastEthernet0 0 ip address 172 16 0 1 255 255 0 0 no ip directed broadcast interface Serial0 0 ip address 172 17 0 1 255 255 0 0 no ip directed broadcast no ip mroute cache no fair queue clockrate 56000 interface Serial0 1 no ip address no ip directed broadcast shutdown I router ri
4. CNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc Note Go to the erase and reload instructions at the end of this lab Perform those steps on all routers in this lab assignment before continuing Step 1 Configure the routers a On the routers enter the global configuration mode and configure the hostname as shown in the chart Then configure the console virtual terminal and enable passwords If there is a problem doing this refer to the Configuring Router Passwords lab Next configure the interfaces according to the chart If there is a problem doing this refer to the Configuring Host Tables lab Finally configure the RIP routing This is covered in the Configuring RIP lab if help is needed Do not forget to save the configurations to the startup configuration file Step 2 Configure the hosts with the proper IP address subnet mask and default gateway Step 3 Make sure that routing updates are being sent a Type the command debug ip rip and the privileged EXEC mode prompt Wait for at least 45 seconds b Was there any output from the debug command Yes What did the output show It showed the updates occurring d To turn off specific debug commands type the no option forexample no debug ip rip events To turn off all debug commands type undebug all Step 4 Show the routing tables for each router a From the enable or privileged EXEC mode examine the routing table entries using show ip ro
5. Cisco SYSTEMS Lab 7 2 6 Troubleshooting RIP Instructor Version 2500 Router 1 Router 2 Router Router Fast Interface Serial 0 Subnet mask Enable Enable VTY Designation Name Ethernet 0 type Address for both secret and console Address interfaces password password Router4 GAD _ 172 16 0 4 DCE 172 17 0 1 255 255 0 0 class cisco oo Router BHM 1721801 ore 1721702 25525800 elass aso Straight through cable Serial cable es Console Rollover Co ccccccccccccccccccs Crossover cable wm meme He Objective e Setup an IP addressing scheme using class B networks e Configure RIP on routers e Observe routing activity using the debug ip rip command e Examine routes using the show ip route command Background Preparation Cable a network similar to the one in the diagram Any router that meets the interface requirements displayed in the above diagram such as 800 1600 1700 2500 2600 routers or a combination may be used Please refer to the chart at the end of the lab to correctly identify the interface identifiers to be used based on the equipment in the lab The configuration output used in this lab is produced from 1721 series routers Any other router used may produce a slightly different output The following steps are intended to be executed on each router unless specifically instructed otherwise Start a HyperTerminal session as performed in the Establishing a HyperTerminal session lab 209 833 C
6. ace Ethernet0 ip address 172 16 0 1 255 255 0 0 no ip directed broadcast interface Serialo ip address 172 17 0 1 255 255 00 no ip directed broadcast no ip mroute cache no fair queue clockrate 56000 interface Seriall no ip address no ip directed broadcast shutdown router tip network 172 16 network 172 17 l o o OJO no ip classless ip http server I line con 0 exec timeout 0 0 password cisco login transport input none line aux 0 password cisco login line vty 0 4 password cisco login I end BHM show running config version 12 0 no service timestamps debug uptime no service timestamps log uptime hostname BHM I enable secret 5 1 w9f1SpbVyqWdDZ60OH1bQN2 7K 214 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc l 1 interface Etherneto ip address 172 178 0 1 255 255 00 no ip directed broadcast interface Serialo ip address 172 17 0 2 2595 255 040 no ip directed broadcast no fair queue I interface Seriall no ip address no ip directed broadcast shutdown g router rip network 172 17 0 0 network 172 18 0 0 l ip classless line con 0 password cisco login transport input none line aux 0 line vty 0 4 password cisco login end BHM show ip route
7. al 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 172 17 0 0 16 is directly connected Serial0o 0 R 172 16 0 0 16 120 1 via 172 17 0 1 00 00 19 Serialo o Cc 172 18 0 0 16 is directly connected FastEthernet0 0 BHM GAD 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 El 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 C 172 17 0 0 16 is directly connected Serial0 o Q 172 16 0 0 16 is directly connected FastEthernet0 0 R 172 18 0 0 16 120 11 via 172 17 0 2 00 00 03 Serialo o GAD GAD debug ip rip This has service time stamp debug date Jun 7 17 00 01 RIP sending v1 update to 255 255 255 255 via FastEthernet0 0 172 16 0 1 Jun 7 17 00 01 RIP build update entries oun 7 17 00 01 network 172 17 0 0 metric 1 Jua 7 17 00 01 network 172 18 0 0 metric 2 Jun 7 17 00 01 RIP sending
8. as shown in the chart Then configure the console virtual terminal and enable passwords If there is a problem doing this refer to the Configuring Router Passwords lab Next configure the interfaces according to the chart If there is a problem doing this refer to the Configuring Host Tables lab Finally configure the RIP routing This is covered in the Configuring RIP lab if help is needed Do not forget to save the configurations to the startup configuration file Step 2 Configure the hosts with the proper IP address subnet mask and default gateway Step 3 Make sure that routing updates are being sent a Type the command debug ip rip and the privileged EXEC mode prompt Wait for at least 45 seconds b Was there any output from the debug command Yes What did the output show It showed the updates occurring d To turn off specific debug commands type the no option forexample no debug ip rip events To turn off all debug commands type undebug all Step 4 Show the routing tables for each router a From the enable or privileged EXEC mode examine the routing table entries using show ip route command on each router b What are the entries in the GAD routing table G 172 17 0 0 16 is directly connected Serial0 o0 C 172 16 0 0 16 is directly connected FastEthernet0 0 R 172 18 0 0 16 120 1 via 172 17 0 2 00 00 03 Seriald o c What are the entries in the BHM routing table Cc 172 17 0 0 16 is directly connec
9. et Ethernet Serial Serial Interface Model Interface 1 Interface 2 Interface 1 Interface 2 5 800 806 Ethernet 0 EO Ethernet 1 E1 1600 Ethernet 0 EO Ethernet 1 E1 Serial 0 SO Serial 1 S1 1700 FastEthernet 0 FAO FastEthernet 1 FA1 Serial 0 SO Serial 1 S1 2500 Ethernet 0 EO Ethernet 1 E1 Serial 0 SO Serial 1 S1 2600 FastEthernet 0 0 FastEthernet 0 1 FA0 1 Serial 0 0 S0 0 Serial 0 1 FA0 0 S0 1 In order to find out exactly how the router is configured look at the interfaces This will identify the type of router as well as how many interfaces the router has There is no way to effectively list all of the combinations of configurations for each router class What is provided are the identifiers for the possible combinations of interfaces in the device This interface chart does not include any other type of interface even though a specific router may contain one An example of this might be an ISDN BRI interface The string in parenthesis is the legal abbreviation that can be used in IOS command to represent the interface 213 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc GAD show running config version 12 0 service timestamps debug datetime service timestamps log uptime no service password encryption hostname GAD I enable secret 5 1 EQ 1 kkilqajASc4CE6 Bx6n1C ip subnet zero l interf
10. his has service time stamp debug date Jun 7 17 00 01 RIP sending vl update to 255 255 255 255 via Etherneto CEEL E Jun 7 17 00 01 RIP build update entries Jun 7 17 00 01 network 172 17 0 0 metric 1 Jun 7 17 00 01 network 172 18 0 0 metric 2 Jun 7 17 00 01 RIP Sending vl update to 255 255 255 255 via Serialo 172 17 Jun 7 17 00 01 RIP build update entries gum 7 17 00 01 network 172 16 0 0 metric 1 Jun 7 17 00 08 RIP received vl update from 172 17 0 2 on Serialo Jun 7 L700 2082 L72 18 0 0 in 1 hops BHM debug ip rip This has no service time stamp debug date RIP sending vl update to 255 255 255 255 via EthernetO 172 18 0 1 RIP build update entries network 172 16 0 0 metric 2 network 172 17 0 0 metric 1 RIP sending vl update to 255 255 255 255 via Serialo 172 17 0 2 RIP build update entries network 172 18 0 0 metric 1 RIP received vl update from 172 17 0 1 on Serialo 1L72 16 0 0 an 1 hope 216 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc Cisco SYSTEMS Lab 7 2 6 Troubleshooting RIP Instructor Version 2600 Router 1 Router 2 Router Router Fast Interface Serial 0 Subnet mask Enable Enable VTY Designation Name Ethernet 0 type Address for both secret and console Address interfaces password password Router4 GAD _ 172 16 0 4 DCE 172 17 0 1 255 255 0 0 class cisco
11. p network 172 16 network 172 17 l o o OJO no ip classless ip http server line con 0 exec timeout 0 0 password cisco login transport input none line aux 0 password cisco login line vty 0 4 password cisco login I end 637 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc BHM show running config version 12 0 no service timestamps debug uptime no service timestamps log uptime hostname BHM enable secret 5 1 w9f1SpbVyqWdDZ60OH1bON2f 7K interface FastEthernet0 0 ip address 172 18 0 1 255 255 0 0 no ip directed broadcast I interface Serial0 0 ip address 172 17 0 2 255 255 00 no ip directed broadcast no fair queue I interface Serial0 1 no ip address no ip directed broadcast shutdown I router rip network 172 17 0 0 network 172 18 0 0 ip classless I line con 0 password cisco login transport input none line aux 0 line vty 0 4 password cisco login end 638 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc BHM 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 El OSPF extern
12. ping exit and turn the router off 211 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc Erasing and reloading the router Enter into the privileged EXEC mode by typing enable If prompted for a password enter class If class does not work ask the instructor for assistance Router gt enable At the privileged EXEC mode enter the command erase startup config Router erase startup config The responding line prompt will be Erasing the nvram filesystem will remove all files Continue confirm Press Enter to confirm The response should be Erase of nvram complete Now at the privileged EXEC mode enter the command reload Router reload The responding line prompt will be System configuration has been modified Save yes no Type n and then press Enter The responding line prompt will be Proceed with reload confirm Press Enter to confirm In the first line of the response will be Reload requested by console After the router has reloaded the line prompt will be Would you like to enter the initial configuration dialog yes no Type n and then press Enter The responding line prompt will be Press RETURN to get started Press Enter The router is ready for the assigned lab to be performed 212 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc Router Interface Summary Router Ethern
13. r for assistance Router gt enable At the privileged EXEC mode enter the command erase startup config Router erase startup config The responding line prompt will be Erasing the nvram filesystem will remove all files Continue confirm Press Enter to confirm The response should be Erase of nvram complete Now at the privileged EXEC mode enter the command reload Router reload The responding line prompt will be System configuration has been modified Save yes no Type n and then press Enter The responding line prompt will be Proceed with reload confirm Press Enter to confirm In the first line of the response will be Reload requested by console After the router has reloaded the line prompt will be Would you like to enter the initial configuration dialog yes no Type n and then press Enter The responding line prompt will be Press RETURN to get started Press Enter The router is ready for the assigned lab to be performed 635 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc Router Interface Summary Router Ethernet Ethernet Serial Serial Interface Model Interface 1 Interface 2 Interface 1 Interface 2 5 800 806 Ethernet 0 EO Ethernet 1 E1 1600 Ethernet 0 EO Ethernet 1 E1 Serial 0 SO Serial 1 S1 1700 FastEthernet 0 FAO FastEthernet 1 FA1 Serial 0 SO Serial 1 S1 2500 Ethernet 0 EO Ethernet 1 E
14. ted Serial0 o0 R 172 126 0 0 16 120 1 via 172 17 0 1 00 00 19 Seriald o Cc 172 18 0 0 16 is directly connected FastEthernet0 0 Step 5 Show the RIP routing table entries for each router a Entershow ip route rip b List the routes listed in the routing table GAD 172 18 0 0 16 120 1 vie 172 17 0 2 00700703 Serial0 0 BHM 172 36 0 0 16 120 1 via 172 17 0 1 00200219 Serialo70 c What is the administrative distance 120 Step 6 Verify that the internetwork is functioning by pinging the FastEthernet interface of the other router a From the host attached to GAD is it possible to ping the BHM router FastEthernet interface Yes b From the host attached to BHM is it possible to ping the GAD router FastEthernet interface Yes 633 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc c Ifthe answer is no for either question troubleshoot the router configurations using show ip route to find the error Also check the workstation IP settings Then do the pings again until the answer to both questions is yes Upon completion of the previous steps log off by typing exit and turn the router off 634 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc Erasing and reloading the router Enter into the privileged EXEC mode by typing enable If prompted for a password enter class If class does not work ask the instructo
15. ute command on each router b What are the entries in the GAD routing table C 172 17 0 0 16 is directly connected Serialo C 172 16 0 0 16 is directly connected Etherneto R 172 18 0 0 16 1120 1 via 1172 17 02 00 00 03 Serial c What are the entries in the BHM routing table E 172 17 0 0 16 is directly connected Serialo R 172 26 0 0 16 120 1 via 172 17 0 1 00 00 19 Serial Cc 172 18 0 0 16 is directly connected Etherneto Step 5 Show the RIP routing table entries for each router a Entershow ip route rip b List the routes listed in the routing table GAD 172 18 0 0 16 120 1 vie 172 17 0 2 00700203 Serialo BEM 172 36 0 0 16 1120 1 via 172 17 0 1 00200219 Serial c What is the administrative distance 120 Step 6 Verify that the internetwork is functioning by pinging the FastEthernet interface of the other router a From the host attached to GAD is it possible to ping the BHM router FastEthernet interface Yes b From the host attached to BHM is it possible to ping the GAD router FastEthernet interface Yes 210 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc c Ifthe answer is no for either question troubleshoot the router configurations using show ip route to find the error Also check the workstation IP settings Then do the pings again until the answer to both questions is yes Upon completion of the previous steps log off by ty
16. vl update to 255 255 255 255 via Serial0 0 172 0 Jun 7 17 00 01 RIP build update entries Jum 7 17 00 01 network 172 16 0 0 metric 1 Jun 7 17 00 08 RIP received vl update from 172 17 0 2 on Serial0 0 oun F L70008 V72 18 0 0 in 1 hops 639 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc BHM debug ip rip This has no service time stamp debug date RIP sending vl update to 255 255 255 255 via FastEthernet0 0 172 18 0 1 RIP build update entries network 172 16 0 0 metric 2 network 172 17 0 0 metric 1 RIP sending vil update to 255 255 255 255 via Serialo o 172 17 0 2 RIP build update entries network 172 18 0 0 metric 1 RIP received vl update from 172 17 0 1 on Serial0 0 172 16 0 0 in 1 hope 640 833 CCNA 2 Routers and Routing Basics v 3 1 Lab 7 2 6 Copyright 2003 Cisco Systems Inc
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