ICND2 – PPPoE Questions
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Question 1
[am4show have=’p2;’]Which type of interface can negotiate an IP address for a PPPoE client?
A. Ethernet
B. dialer
C. serial
D. Frame Relay
Answer: B[/am4show]
Explanation
In the Dialer interface, we can use the “ip address negotiated” command to ask for an IP address from the PPPoE Server.
Question 2
[am4show have=’p2;’]Which part of the PPPoE server configuration contains the information used to assign an IP address to a PPPoE client?
A. virtual-template interface
B. DHCP
C. dialer interface
D. AAA authentication
Answer: A[/am4show]
Explanation
The picture below shows all configuration needed for PPPoE:
There is no Dialer interface on the PPPoE Server so answer “Dialer interface” is not correct. The most suitable answer is “Virtual Template” interface as it contains the pool which is used to assign IP address to the PPPoE Client. But this question is weird because according to the CCNAv3 syllabus, candidates only need to grasp the PPPoE on client-side, not sure why this question asked about PPPoE on Server side. For more information about PPPoE, please read our PPPoE tutorial.
Question 3
[am4show have=’p2;’]Which command do you enter to enable an interface to support PPPoE on a client?
A. Dev1(config)# bba-group pppoe bba 1
B. Dev1(config-if)# pppoe-client dial-pool-number 1
C. Dev1(config-if)# pppoe enable group bba1
D. Dev1(config-if)# pppoe enable
Answer: D[/am4show]
Q3. Which command do you enter to enable an interface to support PPPoE on a client?
Answer is:
B. Dev1(config-if)# pppoe-client dial-pool-number 1
https://learningnetwork.cisco.com/docs/DOC-27502
Q3 is correct, it is simply ppoe enable.
Watch here;
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/bbdsl/configuration/xe-3s/bba-pppoe-client.html#GUID-B1DB9A75-76E3-4553-B3C3-A73046F5A505
there is is explained Step by Step.
pppoe-client dial-pool-number interface subcommand is used to add the interface to the same pool number configured on the dailer interface.
pppoe enable subcommand is used to enable PPPoE on the interface.
With command pppoe-client dial-pool-number 1 you add interface to the same pool number like dialer, but you enable ppoe too. After this one command is not necessary use ppoe enable (i think that IOS add this command to the running conf).
Cisco question 🙁
Once you add ‘pppoe-client dial-pool-number 1’ to the physical interface, IOS automatically adds ‘pppoe enable’ to the interface also.
Is Q2 really on the exam because the objectives explicitly state client side. The instructor of my training videos mentioned that we don’t need to know the server side for the CCNA exam….server side is for CCIE not even CCNP. This kind of stuff drives me nuts because then you think what else is there in the dark. 🙁
@Sebi, yeah, it is. I have no way to know if it was a “diagnostic question” for Cisco’s eyes only, but I had it.
Your answer its incorrect because Configuring the ip address command within a virtual template is not recommended. Configuring a specific IP address in a virtual template can result in the establishment of erroneous routes and the loss of IP packets.
https://www.cisco.com/c/en/us/td/docs/ios/12_2/dial/configuration/guide/fdial_c/dafvrtmp.html
than the answer correct is dialer interface
I just got the exact same question on 200-105 yesterday. I choose dialer interface but I think it was wrong.
Regarding the Cisco official certificate guide the physical interface does need one command to enable PPPoE on the interface: the pppoe enable subcommand. However, IOS adds this command automatically if you configure the pppoe-client interface subcommand. So the answer is correct -you enter command enable PPPoE.
Regarding question 2.
All manuals and W Odom’s book say it’s virtual-template interface where client IP pool is referred.
I assume that’s the answer Cisco wants.
Access server stability is perhaps outside CCNA scope.
It’s also possible to use “ip unnumbered ” on virtual-template
Does anyone seen questions PPPoE with PADI, PADO, PADR PADS for ICND 2 exam?
Tnx for answer
Just a trick to remember, PADI PADO PADR PADS… it’s in alphabetical order I – O – R – S. Just a tip.