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CCNA Configuration SIM Question

January 10th, 2014 Go to comments

Question:

To configure the router (R2-RC) click on the console host icon that is connected to a router by a serial console cable (shown in the diagram as a dashed black line)

ccna__configuration_sim_lab_4

CCNA Training Company recently installed a new router in their office. Complete the network installation by performing the initial router configurations and configuring RIPV2 routing using the router command line interface (CLI) on the R2-RC.

Name of the router is R2-RC
Enable-secret password is cisco1
The password to access user EXEC mode using the console is cisco2
The password to allow telnet access to the router is cisco3
IPV4 addresses must be configured as follows:
Ethernet network 209.165.202.128/27 – router has last assignable host address in subnet
Serial network is 192.0.2.16/28 – router has last assignable host address in the subnet. Interfaces should be enabled.
Router protocol is RIP V2

Attention :
In practical examinations, please note the following, the actual information will prevail.
1. Name of the router is xxx
2. Enable-secret password is xxx
3. Password to access user EXEC mode using the console is xxx
4. The password to allow telnet access to the router is xxx
5. IP information

Solution

(Note: If you are not sure how RIP works, please read my RIP tutorial: http://www.9tut.com/rip-routing-protocol-tutorial. Note: You can download this sim to practice here: http://www.9tut.com/download/9tut.com_CCNA_RIP_Configuration.zip)

1) Name the router:

Router>enable
Router#configure terminal
Router(config)#hostname R2-RC

2) Set secret password:

R2-RC(config)# enable secret cisco1

3) Set password for the console:

R2-RC(config)#line console 0
R2-RC(config-line)#password cisco2
R2-RC(config-line)#login
R2-RC(config-line)#exit

4) Set the Telnet password:

R2-RC(config)#line vty 0 4
R2-RC(config-line)#password cisco3
R2-RC(config-line)#login
R2-RC(config-line)#exit

5) Assign IP address for Ethernet interface (Fa0/0):

The Ethernet network 209.165.202.128/27 has:

Increment:32 (/27 = 255.255.255.224 or 1111 1111.1111 1111.1111 1111.1110 0000)
Network address: 209.165.202.128
Broadcast address: 209.165.202.159 (because 128 + 32 – 1 = 159)

Therefore the last assignable host address in this subnet is 209.165.202.158 and we will assign it to Fa0/0 interface with these commands:

R2-RC(config)# interface fa0/0
R2-RC(config-if)#ip address 209.165.202.158 255.255.255.224
R2-RC(config-if)#no shutdown
R2-RC(config-if)#exit

6) Assign IP address for Serial interface (S0/0/0):

Serial network 192.0.2.16/28 has:

Increment:16 (/28 = 255.255.255.240 or 1111 1111.1111 1111.1111 1111.1111 0000)
Network address: 192.0.2.16
Broadcast address
: 192.0.2.31 (because 16 + 16 – 1 = 31)

So the last assignable host address in this subnet is 192.0.2.30. Finally we assign it to s0/0/0 interface:

R2-RC(config)# interface s0/0/0
R2-RC(config-if)#ip address 192.0.2.30 255.255.255.240
R2-RC(config-if)#no shutdown
R2-RC(config-if)#exit

7) Configure RIP v2 routing protocol:

R2-RC(config)#router rip
R2-RC(config-router)#version 2
R2-RC(config-router)#network 209.165.202.0
R2-RC(config-router)#network 192.0.2.0
R2-RC(config-router)#end
R2-RC#copy running-config startup-config

Note: We should use classful networks (209.165.202.0 & 192.0.2.0) when configuring RIP. If we use detailed networks (209.165.202.128 & 192.0.2.16) the router will automatically convert them into classful networks.

Comments
Comment pages
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  1. Fraz
    February 3rd, 2013

    @dce
    on the serial interface give below command
    R2-RC(config-if)#clock rate 9600
    it will set the clock rate of 9600 bps

    @Cody
    If R1-RT is the DCE which it is then we only need to set the clock on DCE. DTE will receive the clock from DCE automatically. below command can be used to check whether a serial interface is DCE or DTE.

    R1-RT#show controllers serial 0/0/1

    Hope this helps.

    Rgds

  2. anil rana
    February 11th, 2013

    question is asking the exec mode password cisco2 but they are configure the condole mode password on following answer

  3. alex
    February 13th, 2013

    @Fraz
    You can also just enter the command `clock rate X` (X stands for the number of bps) on either end of the serial connection. If you enter it on the DTE, IOS will just tell you that the clock rate command is for DCE interfaces only.

  4. GReg_Poland
    February 14th, 2013

    Yes. Fraz has right. Router receive an information that this command can be applied only on DCE interface.
    Question is about “no auto summary” command. Is it necessary or not?

  5. Jabe
    February 15th, 2013

    Yes, had to put clock statement on s0/0/1 of R1-RT

    conf t
    Int s0/0/1
    clock rate 56000

    And to get the network connected to F0/0 on R1-RT you will need to put RIP on R1-RT router.

    router rip
    version 2
    network 192.0.2.0
    network 198.18.1.0
    no auto-summary

    I then took the router rip statement off and was still able to ping 198.18.1.1 interface. Strange.. Arp cache?

  6. inhin_yero
    February 24th, 2013

    no need to issue no auto-summary in this topology because the network is not discontiguous. We only issue no auto-summary command for discontiguous networks so that routers will not summarize routing updates to classful boundaries.

  7. jake.ph
    February 25th, 2013

    in the tracer you have to set the clock rate in order for the net 198.0.2.0 will appear in the routing table

  8. Mr. Ketan
    February 28th, 2013

    Is this sim come in exam..???,
    Bcoz i see mostly VTP, EIGRP, ACL & NAT sim comes in exam.

  9. vezna
    March 2nd, 2013

    After applying all the correct configurations you must change the clock rate on R1′s s0/0/1 to 64000 to ping. For this packet tracer simulation. I doubt a flaw like that will be present in the CCNA sim

  10. Ahmed
    March 3rd, 2013

    Does anyone out there have Packet Tracer 6 or later? Please send to aaegh7@gmail.com. My version (V5) does not support iBGP…I’m preparing for CCIE.
    Thanks in advance.

  11. Novolyus
    March 6th, 2013

    Hey dudes if you enter the (sh ip int brief) command in R2-RC you will receive the message that se0/0/0 is UP – DOWN so there is no clock signal. Please revise this kind of messages because is a exam question.
    Anyhow in Exam you only will be able to access to the router to configure, so the signal it will be already set, although it is always advisory to try the (sh ip int brief command) in order to check if everything is OK, if possible. If not, check ping and you´ll receive the answer.

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    March 20th, 2013

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  13. Pedro Spain
    March 26th, 2013

    Hello :) very usfeul labs!

    i have a few questions…

    we only need to add networks in R2? why not in R1 and clock rate? if i add Rip2 and networks in R1 i can see RIP running between routers with ” Show ip route” command. is this bad configuration?

    Thanks in advance.

  14. Evan
    March 28th, 2013

    Just passed my exam, 890/825. It was easy at the end, thanks 9tut
    Eigrp, ACL were in the simulation. Tab key or question mark was not working all the time.
    Evan if you do now know all the answers on this website and just know only simulation, you can pass this exam. I DID.

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    April 4th, 2013

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    April 16th, 2013

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  17. Safwan
    April 19th, 2013

    should i use the clock rate command to get full mark of this sim or just i do what it is writen above
    plz any one can help me

  18. nabil
    April 30th, 2013

    No need for ” no auto-summary ” because the network is contigous

  19. nabil
    April 30th, 2013

    No need for ” no auto-summary ” because the network is contiguous

    and it will add many subnets in routing table, you need it to summary

    but no problem if you do no auto-summary

  20. Chico
    May 3rd, 2013

    My problem is :
    Show ip route on both routers displays only the networks directly connected to each router.
    Normaly, rip updates between routers make 198.18.1.0 appear on the routing table of R2-RC. It is not the case !

  21. Antonis
    May 15th, 2013

    I am sorry but are you saying that no-auto summary is not needed the network is discontiguous

    We ‘ve different subnet mask in each network segment…

  22. David Okeri
    May 22nd, 2013

    To sit for the ccna exam next month and i real need dumps pliz anyone with,send to email:olesimbe@yahoo.com. Thanks a lot!!.

  23. Ruth
    June 7th, 2013

    You have to use the no-summary for when configuring RIPV2 and also EIGRP so as to see all the subnets.

  24. Ruth
    June 7th, 2013

    I mean use the no auto-summary.

  25. Ken C.
    June 13th, 2013

    I don’t understand why the ‘network’ statements in question 7 are for a classful network, since this is ‘rip V2′ shouldn’t this be classless and the networks be specified as ’192.02.30.16′ & ’209.165.202.128′?

  26. Jung Ho.K
    June 22nd, 2013

    Detailed explanation is really appreciated.
    Thanks to the hard work. Have a good day everyone. ^^

  27. Harvin
    June 24th, 2013

    How do we know the Increment (16 or 32) in step 5 and 6?
    how do we get that figure?
    thanks guys

  28. Elias
    June 30th, 2013
  29. Elias
    June 30th, 2013

    Have anybody faced this question at exam? Wondering why R1 is not set up for RIP, bandwidth or anything else isn’t it supposed to be ready?

  30. pat
    July 5th, 2013

    @chico
    In the exercise provided by 9tut in order to make it work properly so you could see some routes learned by RIPv2 on R2-RC you would need to set up R1-RT for RIPv2 plus you would need to make sure you have set up clock rate on its s0/0/1 interface as in this exercise this router is DCE

    I guess in real exam you have no access to R1-RT and it’s all set up for you, just my guess

  31. anon
    July 21st, 2013

    ‘no auto-summary’ is not required, as autosummarised classful networks pose no issue in this simulation. Each device only need to know in which direction to pass the packet, as RIP is a distance vector routing protocol.

    E.g. the serial link does not need to know about the /27 mask, it only needs to pass it towards the right in the network diagram.

    I would also use sh cont s0/0/0 to check for DCE or DTE and apply clocking if appropriate to ensure connectivity (for DCE). You will get an error if you try applying clocking to a DTE, but much like applying classless networks to classful routes, this could be automatically corrected by the simulated IOS, but still marked as incorrect for the question.

    Note that the router being configured is R2-RC, so the s0/0/0 should be checked, rather than S0/0/1 in this case – it’s easy to make little mistakes.

  32. Taps
    July 24th, 2013

    which ones are the possible Sims for July 26 2013

  33. Razor
    July 31st, 2013

    will this sim come out for CCNA 640 – 802 ?

  34. IBK
    August 6th, 2013

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  35. ndane
    August 7th, 2013

    to 9tut which Sim appear in the exam recently and is rstp not important in the exam

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    August 9th, 2013

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    August 9th, 2013

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  38. panget
    August 9th, 2013

    who had just took the exam? kindly advise which sims came out? thanks!

  39. frank
    August 13th, 2013

    I thinks this network is discontiguos we pass from 198.18.1.0 /24 to net 192.0.2.16/28
    why for anyones is contiguos?

  40. loi
    August 19th, 2013

    hi just want to know if on the actual exam for this sim is diff since i downloaded the .pkt on this link for this sim but when running sh ip route, i did not see any R routes discovered by the router R2-RC since there was no clock rate nor rip v2 applied on R1-RT. would the actual sim have rip v2 applied and also clock rate on the R1-RT router?

    your answer is very much appreciated.

  41. dray
    August 19th, 2013

    i intend doing my exam next week, pls can i get the latest dumps temitopedray@ymail.com… thanks for your anticipated response

  42. anonym..
    August 31st, 2013

    Yesterday I passed my exam with the help of 9tut, eigrp, acl and vtp .
    Best of luck to everybody

  43. Franciele
    September 4th, 2013

    Hi,

    How can I test if the setup is correct?
    I can ping 209.165.202.158 but no ping 192.0.2.30.

    Tks.

  44. Manish
    September 9th, 2013

    Here the router R2 is DTE…..apply clock rate command on other router….then you will get interface up….i did it…….n it works

  45. Jaguar
    September 15th, 2013

    Hi how can we check if the config i input is correct? should i ping the other router or switch using the console pc or the R2-RC itself? Please someone. thanks

  46. Abdul Ahad
    September 15th, 2013

    @Franciele
    Hello
    the line protocol of serial interface between the two routers is down in your case,all you have to do is to give a clock rate on DTE router by the command clock rate 64000
    after that the protocol will go up and routing updates will be exchanged,then u’ll be able to ping successfully.

  47. Anonymous
    September 18th, 2013

    Can anyone please give me the latest dumps for 640-802, it would be greatly appreciated.

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  48. Kevin Daniels from Seattle
    September 18th, 2013

    Can anyone please give me the latest dumps for 640-802, it would be greatly appreciated.

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  49. wyz
    September 18th, 2013

    How do i verify this simulation?

  50. wyz
    September 18th, 2013

    plzzzz reply

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