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Help Center/ Relational Database Service/ User Guide (Ankara Region)/ FAQs/ Database Connection/ Why Cannot I Ping My EIP After It Is Bound to a DB Instance?

Why Cannot I Ping My EIP After It Is Bound to a DB Instance?

Updated on 2024-04-11 GMT+08:00

Fault Location

  1. Check security group rules.
  2. Check network ACLs.
  3. Ping the affected EIP from another ECS in the same region.

Solution

  1. Check security group rules.
    1. Log in to the management console.
    2. Click in the upper left corner and select a region and a project.
    3. Click Service List. Under Database, click Relational Database Service. The RDS console is displayed.
    4. On the Instances page, click the target DB instance.
    5. In the Connection Information area, click the security group.
    6. Check whether the ECS NIC security group allows the inbound ICMP traffic.
  2. Check network ACLs.
    1. Check the network ACL status.
    2. Check whether the NIC to which the EIP bound belongs to the subnet associated with the network ACL.
    3. If the network ACL is enabled, add an ICMP rule to allow traffic.
    NOTE:

    The default network ACL rule denies all incoming and outgoing packets. If the network ACL is disabled, the default rule still takes effect.

  3. Ping the affected EIP from another ECS in the same region.

    If the affected EIP can be pinged from another ECS in the same region, the virtual network is functional. In this case, contact technical support.

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