NSX Advanced Load Balancer supports patch upgrades by which hotfixes are placed into effect.
The followings are the available options for patch upgrade:
System — Patch upgrade for NSX Advanced Load Balancer Controller and all SE groups
Controller — Patch upgrade for the NSX Advanced Load Balancer Controller
SE group — Patch upgrade for some or all the SE groups
Note:
The following are a few points for a patch upgrade process:
An image with a patch can be applied.
The image and the patch must have the same base version.
A patch cannot be applied without applying the image.
Compatibility checks prevent incorrect patches from getting applied to different versions.