Packet Tracer - Troubleshooting IPv4 and
IPv6 Addressing
Please click here to download 8.3.2.8 Packet Tracer - Troubleshooting IPv4 and IPv6 Addressing Instructions
Topology
Addressing Table
Device
|
Interface
|
IPv4 Address
|
Subnet Mask
|
Default Gateway
|
IPv6 Address/Prefix
|
||||
R1
|
G0/0
|
10.10.1.1
|
255.255.255.0
|
N/A
|
Ga0/1
|
192.168.0.1
|
255.255.255.0
|
N/A
|
|
2001:DB8:1:1::1/64
|
N/A
|
|||
G0/2
|
2001:DB8:1:2::1/64
|
N/A
|
||
S0/0/0
|
209.165.201.2
|
255.255.255.252
|
N/A
|
|
2001:DB8:1:A001::2/64
|
N/A
|
|||
Link-local
|
FE80::1
|
N/A
|
||
Dual Stack
Server |
NIC
|
64.100.1.254
|
255.255.255.0
|
64.100.1.1
|
2001:DB8:CAFE:1::10/64
|
FE80::A
|
|||
PC1
|
NIC
|
10.10.1.2
|
255.255.255.0
|
10.10.1.1
|
PC2
|
NIC
|
192.168.0.2
|
255.255.255.0
|
192.168.0.1
|
2001:DB8:1:1::2/64
|
FE80::1
|
|||
PC3
|
NIC
|
2001:DB8:1:2::2/64
|
FE80::1
|
Objectives
Part 1: Troubleshoot First Issue
Part 2: Troubleshoot Second Issue
Part 3: Troubleshoot Third Issue
Scenario
You are a network technician working for
a company that has decided to migrate from IPv4 to IPv6. In the interim, they must
support both protocols (dual-stack). Three co-workers have called the help desk
with problems and have received limited assistance. The help desk has escalated
the matter to you, a Level 2 support technician. Your job is to locate the
source of the problems and implement appropriate solutions.
Part 1: Troubleshoot First Issue
A customer using PC1 complains that she cannot access the dualstackserver.pka web page.
Step 1:
Verify a detailed help desk
ticket.
The help desk collected the following
information from the customer, over the phone. Verify that it is correct.
Help Desk Ticket
|
|
Client
Identifier: PC1
|
|
Issue: Unable to access the dualstackserver.pka web page.
|
|
Detailed
information about the issue
|
|
Test: Does the computer have an IP address using ipconfig?
|
Yes
|
Test: Can the computer contact its gateway using ping?
|
Yes
|
Test: Can the computer contact the server using tracert?
|
Yes
|
Test: Can the computer contact the server using nslookup?
|
No
|
Resolution: Escalate to Level 2 support.
|
|
Step 2:
Consider probable causes for
the failure.
a.
Note the tests that have been
conducted. If possible, discuss possible scenarios that would create this
situation with your fellow network technicians (classmates).
b.
Run more tests if it helps
visualize the problem. Simulation mode is available.
Step 3:
Propose a solution to solve the
problem.
Make a list of things that could be
changed to solve this problem. Start with the solution that is most likely to
work.
Step 4:
Implement the plan.
Try the most likely solution from the
list. If it has already been tried, move on to the next solution.
Step 5:
Verify the solution resolved
the problem.
a.
Repeat the tests from the help
desk ticket. Did it solve the problem?
b.
If the problem still exists, reverse
the change if you are not sure it is correct and return to Step 4.
Step 6:
Document the solution.
Record the solution to the problem. If
you ever encounter the same problem again, your notes will be very valuable.
_______________________________________________________________________________________
Part 2: Troubleshoot Second Issue
A customer using PC2 complains that he cannot
access files on the DualStackServer.pka at
2001:DB8:CAFE:1::10.
Step 1:
Verify a detailed help desk
ticket.
The help desk collected the following information
from the customer, over the phone. Verify that it is correct.
Help Desk Ticket
|
|
Client
Identifier: PC2
|
|
Issue: Unable to access the FTP service of 2001:DB8:CAFE:1:10.
|
|
Detail
information about the Issue
|
|
Test: Does the computer have an IPv6 address using ipv6config?
|
Yes
|
Test: Can the computer contact its gateway using ping?
|
Yes
|
Test: Can the computer contact the server using tracert?
|
No
|
Resolution: Escalate to Level 2 support.
|
|
Step 2:
Complete Steps 2 to 5 from Part
1 for this problem.
Step 3:
Document the solution.
\
Record the solution to the problem. If
you ever encounter the same problem again, your notes will be very valuable.
_______________________________________________________________________________________
Part 3: Troubleshoot Third Issue
A customer using PC1 complains that he cannot communicate with PC2.
Step 1:
Verify a detailed help desk
ticket.
The help desk collected the following
information from the user over the phone. Verify that it is correct.
Help Desk Ticket
|
|
Client
Identifier: PC3
|
|
Issue: Unable to communicate with PC2.
|
|
Detail
information about the Issue
|
|
Test: Does the computer have an IP address using ipconfig?
|
Yes
|
Test: Does computer have an IPv6 address using ipv6config?
|
Yes
|
Test: Can the computer contact its IPv4 gateway using ping?
|
No
|
Test: Can the computer contact its IPv6 gateway using ping?
|
Yes
|
Test: Can the computer contact the IPv4 client using tracert?
|
No
|
Test: Can the computer contact the IPv6 client using tracert?
|
Yes
|
Resolution: Escalate to Level 2 support.
|
|
Step 2:
Complete Steps 2 to 5 from Part
1 for this problem.
Step 3:
Document the solution.
Record the solution to the problem. If
you ever encounter the same problem again, your notes will be very valuable.
_______________________________________________________________________________________
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