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Question 4 - NCM-MCI-6.5 discussion

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Task 4

An administrator will be deploying Flow Networking and needs to validate that the environment, specifically switch vs1, is appropriately configured. Only VPC traffic should be carried by the switch.

Four versions each of two possible commands have been placed in Desktop\Files\Network\flow.txt. Remove the hash mark (#) from the front of correct First command and correct Second command and save the file.

Only one hash mark should be removed from each section. Do not delete or copy lines, do not add additional lines. Any changes other than removing two hash marks (#) will result in no credit.

Also, SSH directly to any AHV node (not a CVM) in the cluster and from the command line display an overview of the Open vSwitch configuration. Copy and paste this to a new text file named Desktop\Files\Network\AHVswitch.txt.

Note: You will not be able to use the 192.168.5.0 network in this environment.

First command

#net.update_vpc_traffic_config virtual_switch=vs0

net.update_vpc_traffic_config virtual_switch=vs1

#net.update_vpc_east_west_traffic_config virtual_switch=vs0

#net.update_vpc_east_west_traffic_config virtual_switch=vs1

Second command

#net.update_vpc_east_west_traffic_config permit_all_traffic=true

net.update_vpc_east_west_traffic_config permit_vpc_traffic=true

#net.update_vpc_east_west_traffic_config permit_all_traffic=false

#net.update_vpc_east_west_traffic_config permit_vpc_traffic=false

A.
See the Explanation for step by step solution
Answers
A.
See the Explanation for step by step solution
Suggested answer: A

Explanation:

First, you need to open the Prism Central CLI from the Windows Server 2019 workstation. You can do this by clicking on the Start menu and typing ''Prism Central CLI''. Then, you need to log in with the credentials provided to you.

Second, you need to run the two commands that I have already given you in Desktop\Files\Network\flow.txt. These commands are:

net.update_vpc_traffic_config virtual_switch=vs1 net.update_vpc_east_west_traffic_config permit_vpc_traffic=true

These commands will update the virtual switch that carries the VPC traffic to vs1, and update the VPC east-west traffic configuration to allow only VPC traffic. You can verify that these commands have been executed successfully by running the command:

net.get_vpc_traffic_config

This command will show you the current settings of the virtual switch and the VPC east-west traffic configuration.

Third, you need to SSH directly to any AHV node (not a CVM) in the cluster and run the command:

ovs-vsctl show

This command will display an overview of the Open vSwitch configuration on the AHV node. You can copy and paste the output of this command to a new text file named Desktop\Files\Network\AHVswitch.txt.

You can use any SSH client such as PuTTY or Windows PowerShell to connect to the AHV node. You will need the IP address and the credentials of the AHV node, which you can find in Prism Element or Prism Central.

remove # from greens

On AHV execute:

sudo ovs-vsctl show

CVM access AHV access command

nutanix@NTNX-A-CVM:192.168.10.5:~$ ssh [email protected] 'ovs-vsctl show'

Open AHVswitch.txt and copy paste output

asked 23/09/2024
Srinivasan Kumaresan
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