I also have the same problem and let us know are these questions are valid or not.
I feel the questions are valid but for these to work i think the settings should be changed in /etc/sysconfig - file
Hello, @SunilKirangi
Can you please explain a little bit more? In which question? So I can help you to troubleshoot.
I also faced the same issue with Q 7 & 8 of switching and routing.
Hi,
There are multiple queries on Switching and Routing Lab’s questions # 7 and # 8-can you please provide a response to it. Thanks.
@temptemp Before Q7 you can see that the ip address in the jump server in eth0 interface is with ip
thor@jump_host /$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
11: eth0@if12: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default
link/ether 02:42:ac:10:ee:0a brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet 172.16.238.10/24 brd 172.16.238.255 scope global eth0
valid_lft forever preferred_lft forever
In Q6 we are changing the ipaddress of the app servers using ip addr commands. For eg, app01: sudo ip addr add 172.16.238.15/24 dev eth0
We are assigning different range on app03 and app04. . so we add the ip using ip addr command
sudo ip addr add 172.16.239.10/24 dev eth0
thor@jump_host /$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
7: eth0@if8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default
link/ether 02:42:ac:10:ee:0a brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet 172.16.238.10/24 brd 172.16.238.255 scope global eth0
valid_lft forever preferred_lft forever
inet 172.16.239.10/24 scope global eth0
valid_lft forever preferred_lft forever
you can see route is added in the route table. .
thor@jump_host /$ route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default gateway 0.0.0.0 UG 0 0 0 eth0
172.16.238.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
172.16.239.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
Now you can ssh to other app servers…
Thanks. I will go through the questions again.
Hey Team,
Question 7 and 8 have still the same issue, can you please fix it or provide the correct solution?
I have used the command as per the hint but it is not working.
@LVerma, please let me know the exact issue you are facing. Please check the solution provided above and let me know the issue.
Thanks for your response.
2nd last question:
I have executed the command as per the hint:
But still getting this error:
Can you please tell, what am I missing here?
Also, in the last question as well I have used the same command as per hint but it is also not working:
Please help me resolve and understand these 2 questions.
Thank you 
I am having same issues. And I am not sure we have a response yet. Anyone at kodeKloud Can please provide more details.?
Hi KodeKloud. I have same kind of problem mentioned in this thread. Kindly guide us here.
Have you found the answers of the questions you have posted?
I am still waiting for their reply.
Hi LVerma. This is the solution of this exercise of question 7 & 8. Follow it from question 6 then you will able to pass question 7.
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I really appreciate your efforts of explaining the steps using visuals. Thanks for your help I was able to answer all the questions correctly now.
Hi Team, I would like to thanks KodeKloud team its very nice practice lab as well as individual topics
In Switching & Routing Lab Q# 9: I am able to ping App01 to other Apps but still error showing unable to ping app04
Check the solution of 6&7&8:
Check the solution of 9:
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Thanks Mate…!
I was not getting that we need to exit
I am stuck on 8 I cant seem to ssh into app01 - app04 I keep getting the error ssh: connect to host app01 port 22: Connection refused
even though I ran the command sudo ip addr add 172.16.239.10/24 dev eth0
I need help