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Forum Discussion

werner_v_113449's avatar
werner_v_113449
Icon for Nimbostratus rankNimbostratus
Mar 14, 2014

migration of ltm on GTM unit

We have currently a ltm cluster running in v9.4.7 . (yes i know , it's old & out of date) We have now deployed a new cluster with v.11.4 . We are actually in process of copying all pools & virtual se...
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Cory_50405's avatar
Cory_50405
Icon for Noctilucent rankNoctilucent
Mar 14, 2014

It shouldn't have an impact. All of your existing GTM configuration objects (wide IPs, pools, servers) reference content that exists on your "old" LTM pair. Adding "new" LTMs that have virtual servers/pools/nodes named the same will not cause any problems because they aren't referenced in the existing GTM config.

 

However, I don't know if your cutover will be as simple as you suspect. At least from the GTM's perspective, it knows about all of the virtual servers configured on the "old" LTM. All of your GTM pools reference those objects. When you remove the "old" LTM servers from the GTM config, all of those virtual servers are going to disappear out of your GTM pools.