{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/L1PhysIf",
  "title": "L1PhysIf",
  "type": "object",
  "description": "Layer 1 physical interface managed object representing a physical Ethernet port on a Nexus switch. DN format is sys/intf/phys-[{id}].",
  "properties": {
    "attributes": {
      "type": "object",
      "properties": {
        "dn": {
          "type": "string",
          "description": "Distinguished name (e.g., sys/intf/phys-[eth1/1])",
          "examples": [
            "sys/intf/phys-[eth1/1]"
          ]
        },
        "id": {
          "type": "string",
          "description": "Interface identifier matching show interface brief output",
          "examples": [
            "eth1/1"
          ]
        },
        "adminSt": {
          "type": "string",
          "description": "Administrative state of the interface",
          "enum": [
            "up",
            "down"
          ]
        },
        "operSt": {
          "type": "string",
          "description": "Operational state (read-only)",
          "enum": [
            "up",
            "down",
            "link-up"
          ]
        },
        "layer": {
          "type": "string",
          "description": "Layer mode of the interface",
          "enum": [
            "Layer2",
            "Layer3"
          ]
        },
        "mode": {
          "type": "string",
          "description": "Switchport mode (applicable when layer is Layer2)",
          "enum": [
            "access",
            "trunk",
            "fex-fabric",
            "dot1q-tunnel",
            "promiscuous"
          ]
        },
        "accessVlan": {
          "type": "string",
          "description": "Access VLAN assignment in the format vlan-{id} (applicable when mode is access)",
          "pattern": "^vlan-\\d+$",
          "examples": [
            "vlan-100"
          ]
        },
        "trunkVlans": {
          "type": "string",
          "description": "Trunk allowed VLANs. Supports ranges (1-100), additions (+50), and removals (-50). Use 1-4094 for all VLANs.",
          "examples": [
            "1-100,200,300-400"
          ]
        },
        "nativeVlan": {
          "type": "string",
          "description": "Native VLAN for trunk ports in the format vlan-{id}",
          "pattern": "^vlan-\\d+$",
          "examples": [
            "vlan-1"
          ]
        },
        "speed": {
          "type": "string",
          "description": "Interface speed setting",
          "enum": [
            "auto",
            "100M",
            "1G",
            "10G",
            "25G",
            "40G",
            "100G"
          ]
        },
        "duplex": {
          "type": "string",
          "description": "Duplex mode setting",
          "enum": [
            "auto",
            "full",
            "half"
          ]
        },
        "mtu": {
          "type": "string",
          "description": "Maximum transmission unit (bytes, 576-9216)",
          "examples": [
            "1500",
            "9216"
          ]
        },
        "descr": {
          "type": "string",
          "description": "Interface description (max 254 characters)",
          "maxLength": 254
        },
        "snmpTrapSt": {
          "type": "string",
          "description": "SNMP trap link-state notifications",
          "enum": [
            "enable",
            "disable"
          ]
        },
        "modTs": {
          "type": "string",
          "format": "date-time",
          "description": "Last modification timestamp (read-only)"
        }
      },
      "example": "example_value"
    }
  }
}