Change DNS IP Address on Call Manager Publisher 10.x
First Step on Call Manager CLI
In order to update the DNS's Ip adress in Call Manager 10.5 what needs to be done is to access the CLI connection of the Publisher and type the following command:
“set network dns primary/secondary <ip address>"
Second Step go to PLM
Go to "Prime License Manager" and delete the instance associated with the Publisher.
After going into "PLM" go ahead and copy the information of the Publisher where you will be updating the DNS's Ip address and then click delete at the right side. After deleting it go back to CLI and apply the change. Note: A new "WARNING" will show up saying that "This will cause the system to temporarily lose network connectivity" please make sure to inform that to the customer before typing "y" which confirms the change. The best recommendation is to do it after business hours or in a maintenance windows.
After applying the new configuration, go back to "Prime License Manager" and click "Add" then copy the same information that you wrote in the Note Pad, make sure the customer is using the same password and username used to access CLI and click "Test connection" make sure to get a successful message at the top and press "OK". After doing that you will be back at the main screen of "PLM" then go and click "synchronize now" to get the instance for the Publisher back in Prime License Manager.
* That will complete the process of changing the DNS's Ip address on the Publisher *
Note: Repeat the process on the Subscriber if needed, take in mind that sometimes it will not be required to delete information in "PLM" for the Subscriber.
1- Type the command "set network dns x.x.x.x" on CLI; you have to have a primary IP address but you can also add a secondary IP in case you have a second dns server.
2- Go into PLM, copy the information for the CUCM pub and then delete the instance.
3- Make sure that the info on PLM has been saved and now feel free to type "Y" to apply the change.
4- After the change has been made go back to PLM and add the Publisher one more time using the same info saved on step 2.
5- Correct, if you only have one server on PLM you can ignore the rest. Just add the PUB and you will be fine.
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