Do Huawei Cloud VPNs Have the DPD Function Enabled?
Yes.
By default, the dead peer detection (DPD) function is enabled for Huawei Cloud VPNs to detect the state of the IKE process in an on-premises data center.
After three consecutive detection failures, the IKE process in the on-premises data center is considered abnormal, and the tunnel on the cloud is automatically deleted.
The DPD protocol does not require that the peer end also be configured with DPD, but it requires that the peer end be able to respond to DPD detections. To ensure consistent tunnel states at the two ends, it is recommended that you enable DPD on your on-premises gateway to detect the IKE process state of the VPN service on Huawei Cloud.
Deleting the tunnel in the case of DPD detection failures will not affect service stability.
VPN Negotiation and Interconnection FAQs
- What Devices Can Be Connected to Huawei Cloud Through a VPN?
- What Are VPN Negotiation Parameters? What Are Their Default Values?
- Is an IPsec VPN Connection Automatically Established?
- How Do I Configure a VPN on an On-premises Device? (Example of Configuring VPN on a Huawei USG6600 Series Firewall)
- Does Huawei Cloud VPN Support Interconnection with a Customer Gateway Through a Domain Name?
- How Many Tunnels Does My VPN Connection Have?
- How Do I Allow Specific Hosts to Access a VPC Subnet Through a Created VPN Connection?
- Do Huawei Cloud VPNs Have the DPD Function Enabled?
- How Can I Use Security Groups to Prevent VPN Access to Some ECSs in a VPC to Implement Security Isolation?
- Will a VPN Connection Be Re-established After Its Configuration Is Modified?
- Why Cannot I Initiate Negotiation from Amazon Web Services to Huawei Cloud After They Are Interconnected?
- How Do I Configure DPD for Interconnection with Huawei Cloud?
- What Should I Do If My Firewall Cannot Receive Response Packets from the Huawei Cloud VPN Gateway in IKE Phase 1?
- What Should I Do If My Firewall Cannot Receive Response Packets from a Huawei Cloud VPN Subnet?
- How Many Bits Do the DH Groups Used by Huawei Cloud VPN Have?
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