Thursday, August 4, 2016

Step By Step NLB Cluster Configuration in Multicast Mode

Need : NLB Cluster Configuration in Multicast Mode

Requirement : Windows Server Operating System
Windows Network Load Balancing Role

Process :

1. Add Network Load Balancing Role on all Servers which are participating in the NLB Cluster

2. Create New Cluster


3. Add 1st Server in the cluster.
4. Select appropriate NIC which is going to handle all network traffic of cluster











5. Add the cluster IP Address

6. Select Multicast



7.Finish the Configuration (I'm assuming that you will customize Port rules as per your requirement hence not covering here).

8. Make list of other IP Addresses which you want to add.
e.g. 172.21.21.1 to 172.21.21.10

9. Go to Cluster Properties

10. Add these IP Address in the "Cluster IP Addresses" Window

11. Goto "Cluster Parameter" Tab

12. Write all the MAC IDs of each IP Addresses
172.21.21.1     03-bf-ac-19-08-01
172.21.21.2     03-bf-ac-19-08-02
172.21.21.3     03-bf-ac-19-08-03
172.21.21.4     03-bf-ac-19-08-04
172.21.21.5     03-bf-ac-19-08-05
172.21.21.6     03-bf-ac-19-08-06
172.21.21.7     03-bf-ac-19-08-07
172.21.21.8     03-bf-ac-19-08-08
172.21.21.9     03-bf-ac-19-08-09
172.21.21.10   03-bf-ac-19-08-10

13. Do NOT Click OK

14. Cancel the Window

15. CRITICAL PART: Ask Network Team to make ARP Entries in the Network Switches for all those IP address with respect to the MAC ID

16. Ask them to Clear the ARP Cache from Network Switches

17. Again open Cluster Property

18. Add first IP Address in the "Cluster IP Addresses"

19.  Click OK.

20. Once the IP Address is reachable on network, go ahead for the second IP Address addition.

21. Repeat this step for all the IP Addresses.

22. By carefully following all the above steps, you will definitly able to configure Multicast Mode NLB Cluster.

23. All the best and Thanks for checking this out.

24. Do comment for any query.

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