# Network Configurations

- Can I Bind Multiple EIPs to an ECS?
- Can an ECS Without an EIP Access the Internet?
- Why Can't an EIP Be Pinged?
- Why Can I Remotely Access an ECS But Cannot Ping It?
- Will NICs Added to an ECS Start Automatically?
- How Can I Check Whether the Network Communication Is Normal Between Two ECSs Equipped with an InfiniBand NIC Driver?
- How Can I Manually Configure an IP Address for an InfiniBand NIC?
- Why Is the NIC Not Working?
- How Can I Handle the Issue that a Windows 7 ECS Equipped with an Intel 82599 NIC Reports an Error in SR-IOV Scenarios?
- Why Can't My Linux ECS Obtain Metadata?
- How Can I Obtain the MAC Address of My ECS?
- How Can I Test Network Performance?
- Why Can't I Use DHCP to Obtain a Private IP Address?
- How Can I View and Modify Kernel Parameters of a Linux ECS?
- How Can I Configure Port Redirection?
- Can the ECSs of Different Accounts Communicate over an Intranet?
- Will ECSs That I Purchased Deployed in the Same Subnet?

Parent topic: FAQs