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Scenario 6-1 Answers 187
Scenario Answers
The answers provided in this section are not necessarily the only possible correct answers. They
merely represent one possibility for each scenario. The intention is to test your base knowledge
and understanding of the concepts discussed in this chapter.
Should your answers be different (as they likely will be) consider the differences. Are your
answers in line with the concepts of the answers provided and explained here? If not, go back
and read the chapter again focusing, on the sections related to the problem scenario.
The key here is for you to gain an understanding of the topics.
Scenario 6-1 Answers
1
Any ICMP or Telnet traffic causes the call setup to occur. This is defined by access-list
101.
2
Yes. The Raleigh router has implemented caller ID screening. It has been configured to
accept only calls originating from the Atlanta router. To correct the situation, it is
necessary to add additional isdn answer lines to the configuration on the Raleigh router.
3
Yes. The San Francisco router has an adequate number of B channels available to support
inbound calls from both the Raleigh and Atlanta routers.
4
Yes. One B channel can be connected to each site based on the destination of the
interesting traffic.
5
Example 6-35 details the configuration that enables the San Francisco router to support
the configuration depicted by Figure 6-18 using a dialer profile.
Example 6-35
Answer to Scenario 6-1, Question 5
isdn switch-type basic-5ess
!
interface ethernet 0
ip address 10.10.1.1 255.255.255.0
!
interface BRI0
encapsulation ppp
dialer pool-member 1
!
interface BRI1
encapsulation ppp
dialer pool-member 1
!
interface BRI2
encapsulation ppp
dialer pool-member 1
continues