Managing an Advanced Forwarding Policy
Scenarios
You can add advanced forwarding policies to HTTP or HTTPS listeners of dedicated load balancers to route requests more specifically.
- Dedicated load balancers support the following types of forwarding rules: domain name, URL, HTTP request method, HTTP header, query string, and CIDR block (source IP addresses). For details, see Forwarding Rule.
- The following actions are supported: forward to a backend server group, redirect to another listener, redirect to another URL, and return a specific response body. For details, see Action Types.
- Multiple forwarding rules can be configured in a single forwarding policy.
- Forwarding policies can be sorted based on their priorities.
Constraints
- Advanced forwarding cannot be disabled once enabled.
- An advanced forwarding policy can contain a maximum of 10 conditions.
Enabling Advanced Forwarding
- Log in to the management console.
- In the upper left corner of the page, click and select the desired region and project.
- Hover on in the upper left corner to display Service List and choose Network > Elastic Load Balance.
- On the Load Balancers page, locate the load balancer and click its name.
- Click the Listeners tab and click the target listener.
- On the Summary tab page, click Enable next to Advanced Forwarding.
- Click OK.
Adding an Advanced Forwarding Policy
- Log in to the management console.
- In the upper left corner of the page, click and select the desired region and project.
- Hover on in the upper left corner to display Service List and choose Network > Elastic Load Balance.
- On the Load Balancers page, locate the load balancer and click its name.
- On the Listeners tab page, add a forwarding policy in either of the following ways:
- Click Add/Edit Forwarding Policy in the Forwarding Policies column.
- Locate the target listener, click its name, and click Forwarding Policies.
- Click Add Forwarding Policy and configure the parameters based on Table 2 and Table 3.
- Click Save.
Sorting Forwarding Policies
Multiple forwarding policies can be sorted to set their priorities.
- Log in to the management console.
- In the upper left corner of the page, click and select the desired region and project.
- Hover on in the upper left corner to display Service List and choose Network > Elastic Load Balance.
- On the Load Balancers page, locate the load balancer and click its name.
- Click Listeners, locate the listener, and click its name.
- On the Forwarding Policies tab page, click Sort.
- Drag the forwarding policies to adjust their priorities.
- Click Save.
Modifying a Forwarding Policy
- Log in to the management console.
- In the upper left corner of the page, click and select the desired region and project.
- Hover on in the upper left corner to display Service List and choose Network > Elastic Load Balance.
- On the Load Balancers page, locate the load balancer and click its name.
- Click Listeners, locate the listener, and click its name.
- On the Forwarding Policies tab page, select the forwarding policy, and click Edit.
- Modify the parameters and click Save.
Deleting a Forwarding Policy
You can delete a forwarding policy if you no longer need it.
Deleted forwarding policies cannot be recovered.
- Log in to the management console.
- In the upper left corner of the page, click and select the desired region and project.
- Hover on in the upper left corner to display Service List and choose Network > Elastic Load Balance.
- On the Load Balancers page, locate the load balancer and click its name.
- Click Listeners, locate the listener, and click its name.
- On the Forwarding Policies tab page, select the forwarding policy and click Delete on the top right.
- In the displayed dialog box, click Yes.
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