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411
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Information Systems
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Nov 24, 2024
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Step 5: Display a summary list of the interfaces on the router.
a. Use the show ip interface brief
command on the router to answer the following question.
What command changed the status of the Gigabit Ethernet ports from administratively down to up?
b. Use the show ipv6 int brief
command to verify IPv6 settings on R1.
R1# show ipv6 interface brief
GigabitEthernet0/0/0 [up/up]
FE80::1
2001:DB8:ACAD::1
GigabitEthernet0/0/1 [up/up]
FE80::1
2001:DB8:ACAD:1::1
Loopback0 [up/up]
FE80::1
2001:DB8:ACAD:2::1
Vlan1 [administratively down/down]
unassigned
What is the meaning of the [up/up] part of the output?
The [up/up] status reflects the Layer 1 and Layer 2 status of the interface and does not rely on Layer 3 for status.
c. On Server
, change its configuration so that it no longer has a static IPv6 address. Then, issue the ipconfig
command on Server
to examine the IPv6 configuration.
What is the IPv6 address assigned to Server?
Answers will vary. IPv6 address of 2001:db8:acad:a:d428:7de2:997c:b05a
What is the default gateway assigned to Server
?
fe80::1
From PC-B
, issue a ping to the R1
default gateway link local address. Was it successful?
Yes
From Server
, issue a ping to the R1
IPv6 unicast address 2001:db8:acad::1. Was it successful?
Yes
Reflection Questions
1. In researching a network connectivity issue, a technician suspects that an interface was not enabled. What show
command could the technician use to troubleshoot this issue?
Answers may vary. However, show ip interface brief or show interfaces or show startup-config would provide the information.
2. In researching a network connectivity issue, a technician suspects that an interface was assigned an incorrect subnet mask. What show
command could the technician use to troubleshoot this issue?
Answers may vary. show startup-config or show running-config or show interfaces or show protocols will provide the information.
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