# Network and Security FAQ

- Can BMSs of Different Accounts Communicate with Each Other over an Internal Network?
- How Do Two BMSs in the Same Region But Different AZs Communicate with Each Other?
- Are My BMSs in the Same Subnet?
- Can BMSs Communicate with ECSs in the Same VPC?
- Can Multiple EIPs Be Bound to a BMS?
- Can I Configure the EIP?
- How Can I Modify the Network Configuration or Restart the Network If I Can Log In to a BMS Using Only SSH?
- What Do I Do If the Communication Between the Primary NIC and Extension NIC of the BMS is Abnormal?
- How Can I Configure a Static IP Address for a BMS?
- How Do I Configure the DNS Server?

Parent topic: FAQs