Why Is the VPN Connection Always in the Not Connected State Even After Its Configuration Is Complete?
Ensure that the pre-shared keys and negotiation information at both ends are consistent. The local subnets and VPN gateway on the cloud are the remote subnets and remote gateway in the on-premises data center. The remote gateway and remote subnets on the cloud are the local gateway and local subnets in the on-premises data center.
Ensure that routes, NAT, and security policy rules are correctly configured on your on-premises gateway device. Then, ping the servers in subnets at both ends.
VPN is triggered based on data flows. After you configure VPN, ping a device in the peer subnet. Before running the ping command, disable the firewall function on the device, and allow inbound ICMP packets in the security group on the cloud.
Pinging the gateway IP address cannot trigger VPN negotiation. Ping the server in the subnet protected by the gateway.
Connection or Ping Failure FAQs
- Why Is the VPN Connection Always in the Not Connected State Even After Its Configuration Is Complete?
- How Can I Prevent VPN Disconnections?
- How Do I Quickly Restore an Interrupted IPsec VPN Connection?
- What Happens If the Bandwidth of a VPN Gateway Exceeds the Size I Specified When I Create the Gateway?
- Will an IPsec VPN Connection Be Established Automatically?
- Why ECSs at Both Ends of a Normal Cross-Region VPN Connection Cannot Access Each Other?
- Why Subnets at Both Ends of a Normal VPN Connection Cannot Access Each Other?
- What Do I Do If a VPN Connection In Use Is Interrupted and a Message Is Displayed Indicating That Traffic from IP Addresses Not Whitelisted Generates?
- What Do I Do If a VPN Connection Is Interrupted and a Message Is Displayed Indicating That the DPD Times Out?
- Why the Status of a VPN Connection Is Not Connected on the Management Console When It Is Already Available?
- Will I Be Notified If a VPN Connection Is Interrupted?
- What Can I Do If VPN Connection Setup Fails?
- What Should I Do If I Cannot Access the ECSs on the Cloud from My On-premises Data Center or LAN After the VPN Connection Has Been Set Up?
- Why Is Not Connected Displayed as the Status for a Successfully Created VPN Connection?
- Do Huawei Cloud VPNs Have the DPD Mechanism Enabled?
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