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Question 1058

SIMULATION

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Guidelines

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This is a lab item in which tasks will be performed on virtual devices

• Refer to the Tasks tab to view the tasks for this lab item.

• Refer to the Topology tab to access the device console(s) and perform the tasks.

• Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.

• All necessary preconfigurations have been applied.

• Do not change the enable password or hostname for any device.

• Save your configurations to NVRAM before moving to the next item.

• Click Next at the bottom of the screen to submit this lab and move to the next question.

• When Next is clicked the lab closes and cannot be reopened.

Topology

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Tasks

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Configure IPv4 and IPv6 connectivity between two routers. For IPv4, use a /28 network from the 192.168.180.0/24 private range. For IPv6, use the first /64 subnet from the 2001:0db8:acca::/48 subnet.

1. Using Ethernet0/1 on routers R1 and R2, configure the next usable /28 from the 192.168.180.0/24 range. The network 192.168.180.0/28 is unavailable.

2. For the IPv4 /28 subnet, router R1 must be configured with the first usable host address.

3. For the IPv4 /28 subnet, router R2 must be configured with the last usable host address.

4. For the IPv6 /64 subnet, configure the routers with the IP addressing provided from the topology.

5. A ping must work between the routers on the IPv4 and IPv6 address ranges.

    Correct Answer:

Discussion
rogi2023

Hey, read carefully: "The network 192.168.180.0/28 is unavailable." so the next /28 subnet is 192.168.180.16/28 therefore first IP is .17 and last usable is .30.

dozer86

correct net 192.168.180.0/28 is unavailable.

ac89l

subnet is not available: 192.168.180.0/28 so the next /28 subnet is 192.168.180.16/28 therefore first IP is .17 and last usable is .30 on R1 config terminal ipv6 unicast-routing inter eth0/1 ip address 192.168.180.17 255.255.255.240 ipv6 addre 2001:db8:acca::1/64 not shut end copy running start on R2 config terminal ipv6 unicast-routing inter eth0/1 ip address 192.168.1.30 255.255.255.240 ipv6 address 2001:db8:acca::2/64 not shut end copy running start

VicM

For the IPv4 /28 subnet, router R2 must be configured with the last usable host address i.e 46 ;)

studying_1

no its /28 you're mistaken, from 16-31, it's 30

KT_Yu

they are in the same subnet, dude

Junior_Network

1) 192.168.180.0/28 --> 2. Subnet id 192.168.180.16 and broadcast id 192.168.180.31 so we must use as first id 192.168.180.17 and last id 192.168.180.30 2,3) R1: int e0/1 > ip add 192.168.180.17 255.255.255.240 R2: int e0/1 > ip add 192.168.180.30 255.255.255.240 4) R1: ipv6 unicast routing, int e0/1 > ipv6 add 2001:db8:acca::1/64 R2: ipv6 unicast routing,, int e0/1 > ipv6 add 2001:db8:acca::2/64 5) R1: ping 192.168.180.17 R1: ping ipv6 2001:db8:acca::2 Final: copy running-config startup-config

CertBuster

R1(config)#ipv6 unicast-routing R1(config)#interface e0/1 R1(config-if)#ip address 192.168.180.17 255.255.255.240 R1(config-if)#ipv6 address 2001:db8:acca::1/64 R1(config-if)#no shutdown R2(config)#ipv6 unicast-routing R2(config)#interface e0/1 R2(config-if)#ip address 192.168.180.30 255.255.255.240 R2(config-if)#ipv6 address 2001:db8:acca::2/64 R2(config-if)#no shutdown

86a50a6

On interface level you will have to add "ipv6 enable" command

picho707

R1(config)#ipv6 unicast-routing R2(config)#ipv6 unicast-routing R1(config)#interface gigabitEthernet 0/1 R1(config-if)#ip address 192.168.180.17 255.255.255.240 R1(config-if)#ipv6 address 2001:db8:acca::1/64 R1(config-if)#no shutdown R2(config)#interface gigabitEthernet 0/1 R2(config-if)#ip address 192.168.180.30 255.255.255.240 R2(config-if)#ipv6 address 2001:db8:acca::2/64 R2(config-if)#no shutdown

86a50a6

On interface level you will have to add "ipv6 enable" command

VicM

subnet is 192.168.180.16/28 on R1 config terminal ipv6 unicast-routing inter eth0/1 ip address 192.168.180.17 255.255.255.240 ipv6 addre 2001:db8:aaaa::1/64 not shut end copy running start subnet is 192.168.180.32/28 use last usable IP i.e 46 on R2 config terminal ipv6 unicast-routing inter eth0/1 ip address 192.168.1.46 255.255.255.240 ipv6 address 2001:db8:aaaa::2/64 not shut end copy running start

RashidOzil

Thank you firstly, I have question regarding the ipv6 why it changed from cc to aa (2001:db8:aaaa::2/64)?

studying_1

it shouldn't change, it's a typo

studying_1

it's /28, 0-15 not available. 16-31, last ip address is 30

KT_Yu

1. Using Ethernet0/1 on routers R1 and R2, configure the next usable /28 from the 192.168.180.0/24 range. The network 192.168.180.0/28 is unavailable. 2. For the IPv4 /28 subnet, router R1 must be configured with the first usable host address. R1: int e0/1; ip address 192.168.180.17 255.255.255.240; no shut 3. For the IPv4 /28 subnet, router R2 must be configured with the last usable host address. R2: int e0/1; ip address 192.168.180.30 255.255.255.240; no shut 4. For the IPv6 /64 subnet, configure the routers with the IP addressing provided from the topology. R1: ipv6 unicast-routing ipv6 address 2001:db8:acca::1/64 no shut R2: ipv6 unicast-routing ipv6 address 2001:db8:acca::2/64 no shut

bymrdas

R1 enable configure terminal ipv6 unicast-routing interface ethernet0/1 no shutdown ip address 192.168.180.17 255.255.255.240 ipv6 address 2001:db8:acca::1/64 exit copy running-startup config R2 enable configure terminal ipv6 unicast-routing interface ethernet0/1 no shutdown ip address 192.168.180.30 255.255.255.240 ipv6 address 2001:db8:acca::2/64 exit copy running-startup config

daryl10

R1: inter eth0/1 ip address 192.168.180.17 255.255.255.240 ipv6 addre 2001:db8:acca::1/64 no shutdown exit R2: inter eth0/1 ip address 192.168.1.30 255.255.255.240 ipv6 address 2001:db8:acca::2/64 no shutdown exit

Nmk3216

As you can see..How many mistakes is this?.. In this question the first subnet is unavailable. In this case the second subnet range (192.168.180.16-31) will use in this network.

raptuz

why enable ipv6 unicast-routing? is not required to enable ipv6 routing in the question

Paul1111

It is required to enable ipv6 globally on a device