Modifying the Basic Configurations of a Dedicated Load Balancer

After a dedicated load balancer is created, you can change its specifications and AZ as required.

You can change the specifications of a dedicated load balancer on the console:

Change the elastic specifications to fixed specifications, or the other way round.
Change the application load balancing to network load balancing, or the other way round.
You must keep at least one load balancing type. Before removing a load balancing type, you must delete the:
- HTTP or HTTPS listeners added to an application load balancer.
- TCP or UDP listeners added to a network load balancer.
Upgrade or downgrade the fixed specifications, for example, upgrade small I to medium I, or downgrade large I to medium I.

Change options vary by billing mode. To find out what changes you can make, see Table 1.

Note

Upgrading specifications does not interrupt your services.
Downgrading specifications will temporarily disconnect services.
- Network load balancing (TCP/UDP): New connections may not be able to be established.
- Application load balancing (HTTP/HTTPS): New connections may not be able to be established and some persistent connections may be interrupted.

Table 1 Supported change options for a pay-per-use load balancer
Billing Mode	Specifications	Change to Elastic	Change to Fixed	Add Load Balancing Type	Remove Load Balancing Type	Upgrade Specifications	Downgrade Specifications
Pay-per-use	Elastic	N/A	Supported	Supported	Supported	N/A	N/A
Pay-per-use	Fixed	Supported	N/A	Supported	Supported	Supported	Supported

Log in to the management console.
Click in the upper left corner of the console and select a desired region and project.
Click in the upper left corner to display Service List and choose Network > Elastic Load Balance.
On the displayed page, locate the load balancer, click More in the Operation column, and select Change Specifications.
Select the new specifications and click Next.
Confirm the information and click Submit.

Yes, you can change an application load balancer to a network load balancer, or the other way around.

Upgrading specifications does not interrupt your services, but downgrading specifications temporarily does.

Parent topic: Load Balancer

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