EIGRP Questions 2

Question 4

Refer to the exhibit. You are the network administrator of the Route.com company. You have been tasked to implement a hub and spoke EIGRP topology over Frame Relay to provide connectivity between the networks at headquarters and all 300 spokes.

Before you begin the actual implementation, which three pieces of information are more important to know than the others? (Choose three)

A. the Committed Information Rate of all the Frame Relay PVCs
B. the Cisco IOS version running on all the routers
C. the router model number of all the spoke routers
D. the number of HQ networks connected behind the headquarter routers
E. the routing policy, such as whether or not the spokes can be used as backup transient point between the two headquarter routers

why we must check ios version here?

@Hamada: I have the same question! is there anybody to answer the above question?

eigrp handles stuck-in-active condition regarding 12.2 ios former or later

@Hamada: The key word in that multiple choice answer was “Cisco IOS” as EIGRP is Cisco proprietary.

I do not understand about question 7, Who can explain me that question?

Question 7
Eigrp is able to use up to 50% of the bandwidth by default. It bases that 50% on the value set by the bandwidth command. If the bandwidth is set artificially high, then eigrp will use more than 50%.

There is a command to set the percent of bandwidth that eigrp is able to use. That would fix the issue here, however, there really isn’t a practical reason to set the bandwidth artificially high. They seem to have it set up so eigrp will see the lines as equal cost for load ballencing, I guess. They should actually be set up like aggregate lines, so none of it makes any damn sence.

The version of the os might have to be the same ….i could be wrong to ..so let me know if i am

thanks …… gazakom allah khiera…

plzzz any one have the last DUMP ???????????
helpppp please

my name is ahmed tooo

#3 and #6 were on my test

@funguy

What i see in question 7 is that administrator sets links to equal cost loadbalancing instead of using variance 2, i that case slower link can get overwhelmed with traffic.

scratch that, cant read for shet :)

kindly explain 2nd question in depth..

kindly explain 2nd question indepth..

Hello Friends,

I just started to study the ROUTE test after taking almost two years off from passing the CCNA. I am planning to take the ROUTE test in two months. Are the Sims, Drag and Drop, Questions, and everything else on this site still valid for the ROUTE test?

Thank you all!

I took this last week and I still found all this useful. So I’ll say ‘yes.’ Good luck!

Can anyone please explain me the question 6?

@Kannan: you can check the rule of split horizon in Cisco routers. Update traffic can not send back to the same physical interface. Disable split horizon makes that behavior works, so the traffic between two spoke routers can exchange.

@Hai-from Vietnam

Q6:
If auto-summary(default setting) is set, router will advertise classfull network to its neighbors, so both routers(3,4) will advertise that they have 10.x.x/8 network. Therefore packets will struggle to find the correct path. If no auto-summary command is issued, the router will advertise exact ‘interface’ network , in our case R2-10.1.x/24 and R3 10.2.x/24

I hope it has been informative :P

sorry messed up router numbers, i wish there was a way to edit comments

Instead of both routers(3,4) i meant both routers(2,3)

please i want to know….my exam is on friday….do they change the arrangement of the options in the exam…..thanks

Pls comment new questions that is asked in latest exam pls..
thanksss..

Question 7.

If the netword administrator configure 256Kbps the serials link will become weak.
In other words he thought its better configure with 512Kbps in both serial links.

I hope i’m right, but if I didn’t, pls correct me
Thanks so much digitaltut

i am appearing route exam on coming saturday can anyone provide me latest p4s

thanx in advance

zakir

Please can any one guide me in other to have GNS on my Laptop to practice labs….
I downloaded some but is not working up till now.

Thanks guys

Can any one please brief the answer of Question no:5.

is there any explanation for Q 5 and 7, Please!

Please somebody tell how to calculate the metric of EIGRP

And how to calculate unequal load balance ?

Metric in EIGRP = 256*(Slowest_BW_On_the_way_among_all_links + Sum_of_All_Delays)

Load and Reliability values are optional, they are not used often

@Q7:
The links are both set up as 512kbps so the router will equally load balance between them. However the actual capacity of 1 link is only 256kbps which will receive traffic intended for 512kbps. Thus the answer is letter “C”. It is like letting big trucks pass through a small road intended for small cars only. ;)

@digitut: in Q6, I think..when there has been already assigned the IP with /24 Subnets (and we can consider even in router eigrp command), then there is no requirement of “no auto-summary”..Kindly correct me if i wrong??

@Anonymous, EIGRP does auto-summarization regardless of the IP address subnets, and the “network” wildcard mask, so you have to do the no auto-summary command.

Question 4 explanation:

In a <12.2 IOS, a router would wait for a Query reply from a neighbor for 3 minutes, and if no reply came, it would bring the neighbor down. In newer IOS, router waits half of those 3 minutes (90 seconds) and then sends SIA (stuck in active) query to see if the neighboring router is still waiting for his Query reply. If it doesn't get its SIA reply it brings neighbor down, else it waits another period.

Hope i helped.

In question 1 there is private ip add 10.1.1.1 on the internet interface
Is that correct?????????????

To question 5, it might be that for most of you it’s obvious but could we add the following link to provide a bit of explanation on why answer E is the right one?

http://www.cisco.com/en/US/technologies/tk648/tk365/technologies_white_paper0900aecd8023df6f.html

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i am a bit new i am using CIsco packet tarcer for simulation i wanted to make a router simulate farme relay switch but the “farme-relay switching” command was rejected. Is there anything i didnt do right… please enlighten me… Thanks

@rasheed

You can not make a router as frame-relay switch in packet tracer. Use GNS3 or SunOS-SPARC.

dear friend,

i passed ccna exam 3 month before now i am to do ccnp route, so i need help to do the ccnp guys please… i have an doubt about these ccnp ques from 9tut.com. in ccna i had seen many question from this site only, what my doubt is will question have come from this site ?

hi please help me out …examcollection in not accessible any more if any one have that .VCE file from wheelman please send me …thanks a lot in advance.
my ID is “Prasiji10oct@gmail.com”

hello this kiran can u help me i Have Cisco router 2800 seires and wnt Config Wan Ip and Local Lan. pls tell me Command and also how to Nat config please tell me

Just started ROUTE and i need help on Self Study materials, what do you recommend?

I had tested Question 1 in GNS3 and R4 does not advertise the default route to its neighbor. Although the answer is correct, the ip address on the serial interface connect to the Internet is incorrect. To advertise the default route throughout your network by the ip default-network command, first the ip default-network command must refer to the classful network; and second, the ip address on the interface must be in the subnet which has the same ip as the classful network. In this case, we can configure the ip address on the serial interface as 10.0.0.1 for the ip default-network command works.

Question 2 Explanation.
RTB and RTC cannot see each other because of the split horizon rule: “A router never sends information about a route back in same direction which is original information came”. To overcome this problem we can configure subinterfaces or disable split horizon with the command “no ip split horizon eigrp 1″ on RTA.

I think the second part of this explanation is wrong.You can not overcome this problem by configuring subinterfaces,because by default split horizon is disabled on the physical interface,by configuring subinterface,it means by default split horizon is enabled,meaning it needs to be disabled inorder for it to work.

Question 6:
Take R4. it has a directly connected 10.0.0.0/24 network with AD of 0 and R3 advertises same network with AD of 90. But when no auto is configured on R2,R3 there will be more specific subnet 10.1.1.0/24 in R4′s routing table advertised by R3!

As for Q7, EIGRP is using 50% by default as mentioned. If the speed is 256, bandwidth set is 512…. then EIGRP will use 100%. I guess that’s what they’re aiming at!

At to Q5: Verify that all the spoke routers are configured as EIGRP stub.

Try to think “Transit”, what would happen if they’re not stubs???

Hi,
In one of the VCE file, there is this question:

Which of the following settings could prevent two potential EIGRP neighbors from becoming neighbors? (Choose two answers.)
A. The interface used by one router to connect to the other router is passive in the EIGRP process.
B. Duplicate EIGRP router IDs.
C. Mismatched Hold Timers.
D. IP addresses of 10.1.1.1/24 and 10.2.2.2/24, respectively.

Answers given: A and D.

I can understand the answer D, but not A. Appreciated if someone can help. Thanks.

Snajdan is right in Q1, network 10.1.1.0 should have a classful subnet mask in order for the default-network command to advertise the route

@DK: IMO if passive interface is configured on any eigrp (or ospf) interface then hello packets won’t be sent, thus neighbors won’t be formed.

Hi all,

I am preparing for CCNP-Route Exam, and will take exam on Feb, 2013. Do any have some thing shear or any recommend. Please help to shear.

Your idea is valuable and really useful for me.

Thanks.

Can you please tell me if one is able to take any of the CCNP tests without having passed the CCNA exam? I know CCNA cert is required to be able to get your CCNP cert, but is it requred to take the exams?

Thanks.

Question 4

I appreciate ciscocro’s explanation about checking the IOS version but checking the number of networks in HQ seems plausible too. (And misleading probably). If you have lot’s of networks (subnets) in HQ, there should be some kind of route summarization on HUB routers.

Can anyone here that has taken the exam or knows of someone that has done so recently, say whether or not the information here is still current as it pertains to the exam? This should also include the SIMs.

Question 4:

Not all versions of IOS supports EIGRP protocol set – especially on L3 switches. I have a few that can only run OSPF

I took a dump today. Does anyone want my dump ?

Q1 does not seem to have a correct answer. I did it in GNS3 and could not see a default gateway for any router. The only way I could see the getaway of last resort was by doing this on R4:
ip route 0.0.0.0 0.0.0.0 10.1.1.2
redistribute static

So, B is partially correct.

@ dump_much from where u took dump u mean the latest dumps i am preparing my route so if u would please send me on mail qalandar121@gmail.com or share it on http://www.4shared.com/

thanks in advance

hi all, q3 why is D wright answer ,, and not A ? pls smbody can explain !!

Only question A was on my exam today.

@Funguy

“If the bandwidth is set artificially high, then eigrp will use more than 50%.”

Can you please declare the source of this particular information cause I didn’t find it in any Cisco document.

Thnx

@ dump_much please can u send ur dump to me at petaarabs@yahoo.com

Thanks

Hi all,

Which show command will display the two values used in the calculation of
the EIGRP metric?
A. show protocol
B. show ip eigrp interface
C. show interface
D. show ip eigrp neighbor

I think answer C is the correct but I found some tests that says answer B. Please help, I’ll take the exam next thursday.

@ dump_much Pls send me the dumps at prabhat_hegde@yahoo.com…. I am planning to take the exams next weeks. Thanks!!!

@Falcon

It is not that eigrp will use more than 50%. But, say the bandwidth is 500kbps and eigrp uses 250kbps by default. But say if the line is only 500kbps but you changed the bandwidth using bandwidth command to use 1000kbps., now eigrp will use (1000/2=500kbps)!!

Hope you understand

Hello Manu,

You are correct, the show ip eigrp interface command doesn’t say the values used, however the show interface command does state them.

@kv,

These values don’t have to match to establish or keep adjacency. A is incorrect.

@dump_much please send me dump at rakesh.shah.nsn@nsn.com

@dump_much please send me thw dump at yohannesw@yahoo.com

Hi,

Question # 1,

A. R4(config)#ip default-network 10.0.0.0
B. R4(config)#ip route 0.0.0.0 0.0.0.0 10.1.1.1
C. R4(config)#ip route 10.0.0.0 255.0.0.0 10.1.1.1
D. R4(config-router)# default-information originate

Answer: A

ip default-network 10.0.0.0 works when classful network 10.0.0.0 is in the routing table but in the routing table 10.1.1.0/24 is available which makes ip default-network statement alone helpless for that purpose( distributing default route into eigrp)

A,B together could be right answer but the next hop address in static route is not right.

can any body explain how answer A is right.

thank you

wanna my CCNP ON 9th April,please any tips for exam

@mzushi….go through at lease 2-3 ccnp route dumps and go through all the lab sims from digitut……best of luck and while doing dumps be careful some answers are not correct. :)

@Falcon :-

If the bandwidth is set artificially high, then eigrp will use 50% of bandwidth. it mostly happens in slower links like frame-relay or serial links.

you can find it in cisco press ccnp route book. search it with frame reply.

I don`t understand question 5

unless the question is ambiguous (not unusual in Cisco’s exams)
if one link fails there’s no need to send query messages because they already have either 2 successors or at least a backup route, so routers will send update msg only.

thanx Vipin,im goin 2 write my CCNP ROUTE EXAM on tuesday 9th april. Hopefully i wl pass with help from ALMIGHTY

Q1
why we don’t use
R4(config-router)# default-information originate
plz tell me

@Imran India

Default-information originate command is ONLY for OSPF

@DK I can on here looking for the question you mentioned:

Which of the following settings could prevent two potential EIGRP neighbors from becoming neighbors? (Choose two answers.)
A. The interface used by one router to connect to the other router is passive in the EIGRP process.
B. Duplicate EIGRP router IDs.
C. Mismatched Hold Timers.
D. IP addresses of 10.1.1.1/24 and 10.2.2.2/24, respectively.

Answers given: A and D.

I also believe A to be incorrect as it also mentioned passive interface on the EIGRP process and not an interface (which you can’t do). I chose B & D also.

Has anyone had this particular question and can confirm what the ‘Cisco’(not necessarily the right) answer is?

@Hamada: Q4
Different IOS versions may have different default values for some EIGRP features such as maximum number of paths (for the much older IOS versions, the maximum was 6 routes, with later versions typically supporting 16 or more), etc

Question 2 was on my exam today.

i am so surprised that why did they cancell the composite exam option for ccnp !
is it a moneywise thing to sit for three exam instead of one or what ??!!!