Help Center/ Virtual Private Network/ FAQs/ FAQs - S2C Enterprise Edition VPN/ Operations on the Console/ What Information About a Created VPN Can Be Modified and What Information Cannot Be Modified?
Updated on 2025-08-18 GMT+08:00
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What Information About a Created VPN Can Be Modified and What Information Cannot Be Modified?

  • VPN gateway
    • You can modify the following information:
      • Name
      • Local subnet
      • Billing mode (yearly/monthly or pay-per-use)
      • Active and standby EIPs
        • To modify the active or standby EIP, unbind the original EIP and bind a new one.

          If a VPN connection has been created for an EIP, the EIP cannot be unbound.

        • You can modify EIP attributes, such as the name, type, and bandwidth. For details, see the EIP service documentation.
      • Specification

        The supported specifications are subject to those displayed on the management console.

      • Number of VPN connection groups

        The number of VPN connection groups needs to be specified only when Billing Mode is set to Yearly/Monthly.

    • You cannot modify the following information:
      • Region
      • Association mode (VPC or enterprise router)
      • Enterprise router

        The associated enterprise router needs to be specified only when Associate With is set to Enterprise Router.

      • VPC
      • Interconnection subnet
      • BGP ASN
      • AZ
  • Customer gateway
    • You can modify the following information:
      • Name
    • You cannot modify the following information:
      • BGP ASN
      • Gateway IP address
  • VPN connection
    • You can modify the following information:
      • Name
      • Billing mode. Only pay-per-use billing can be changed to yearly/monthly billing.
      • Local interface address
      • Customer gateway
      • Customer subnet
      • Policy configuration, including IKE and IPsec policies
      • PSK
      • Branch interconnection
    • You cannot modify the following information:
      • VPN gateway
      • EIP
      • VPN type (route-based or policy-based)
      • Routing mode (static or BGP)

        The routing mode needs to be specified only when VPN Type is set to Route-based.

      • Link detection configuration

        The link detection configuration is available only when VPN Type is set to Route-based.

      • Policy configuration, including the source and destination CIDR blocks

        The policy configuration is available only when VPN Type is set to Policy-based.