Overview
Background
There are three VPCs in a region of Huawei Cloud, with service A and service B respectively in VPC 1 and VPC 2, and the third-party firewall in VPC 3. For security purposes, the traffic to service A and service B must be filtered by the firewall in VPC 3.
![](https://support.huaweicloud.com/eu/bestpractice-er/en-us_image_0000001215678655.png)
Operation Procedure
Figure 2 shows the procedure for using an enterprise router to scrub traffic for VPCs in the same region.
No. |
Procedure |
Description |
---|---|---|
1 |
Plan required CIDR blocks and the number of resources. |
|
2 |
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3 |
|
|
4 |
Log in to an ECS and run the ping command to verify the network connectivity. |
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