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Description

Attribute missing to provide IPV6 collection details when trying to create external forwarding rules using BYOIP ipv6 address.

I'm trying to create external pass through network load balancer with ipv6 protocol to forward the packets to backend services (instance groups) .

Code:
resource "google_compute_forwarding_rule" "veco_forwarding_rule_ipv6" {
provider = google-beta
project = var.project
name = "frontend_rule_name_ipv6"
region = var.region
backend_service = google_compute_region_backend_service.veco_backend.self_link
ports = local.veco_frontend_fwd_rule
ip_protocol = "TCP"
ip_version = "IPV6"
load_balancing_scheme = "EXTERNAL"
ip_address = "2605:XXXXXXXXXXXXXXXXXXX::/96"
network_tier = "PREMIUM"
}

Error:
╷
│ Error: Error creating ForwardingRule: googleapi: Error 400: Invalid value for field 'resource.subnetwork': ''. Subnetwork or Ip Collection must be specified for IPv6 forwarding rules., invalid

New or Affected Resource(s)

• google_compute_forwarding_rule

Potential Terraform Configuration

References

No response

b/347720203