Add NetScout PFS health SNMP profile for CPU and memory metrics

snmp/changelog.d/add-netscout-switch-profile.added

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+Add NetScout switch SNMP profile for CPU and memory metrics.

snmp/datadog_checks/snmp/data/default_profiles/netscout-switch.yaml

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+# Same coverage as generic-device.yaml except _generic-ospf.yaml, which triggers
+# DuplicateOIDValidator failures (constant_value_one symbols without OID).
+extends:
+  - _base.yaml
+  - _generic-if.yaml
+  - _generic-ip.yaml
+  - _generic-tcp.yaml
+  - _generic-udp.yaml
+
+sysobjectid:
+  - 1.3.6.1.4.1.21671
+  - 1.3.6.1.4.1.21671.*
+
+metadata:
+  device:
+    fields:
+      vendor:
+        value: "netscout"
+      type:
+        value: "switch"
+      model:
+        symbol:
+          MIB: NTCT-PFS-HEALTH-MIB
+          OID: 1.3.6.1.4.1.21671.3.2.1.1.5.0
+          name: nphDeviceModelName
+      serial_number:
+        symbol:
+          MIB: NTCT-PFS-HEALTH-MIB
+          OID: 1.3.6.1.4.1.21671.3.2.1.1.4.0
+          name: nphDeviceSerialNumber
+
+metrics:
+  - MIB: NTCT-PFS-HEALTH-MIB
+    table:
+      OID: 1.3.6.1.4.1.21671.3.2.1.1.6
+      name: nphMemoryTable
+    symbols:
+      - OID: 1.3.6.1.4.1.21671.3.2.1.1.6.1.2
+        name: memory.total
+        scale_factor: 1024
+      - OID: 1.3.6.1.4.1.21671.3.2.1.1.6.1.3
+        name: memory.free
+        scale_factor: 1024
+    metric_tags:
+      - index: 1
+        tag: nph_mgmt_index
+
+  - MIB: NTCT-PFS-HEALTH-MIB
+    table:
+      OID: 1.3.6.1.4.1.21671.3.2.1.1.7
+      name: nphCPUTable
+    symbols:
+      - OID: 1.3.6.1.4.1.21671.3.2.1.1.7.1.2
+        name: cpu.usage
+        metric_type: gauge
+    metric_tags:
+      - index: 1
+        tag: nph_mgmt_index

snmp/tests/compose/data/netscout-switch.snmprec

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+1.3.6.1.2.1.1.1.0|4|netscout-switch Device Description
+1.3.6.1.2.1.1.2.0|6|1.3.6.1.4.1.21671
+1.3.6.1.2.1.1.5.0|4|netscout-switch.device.name
+1.3.6.1.2.1.2.1.0|2|4
+1.3.6.1.2.1.4.31.1.1.4.1|70|310637142
+1.3.6.1.2.1.6.5.0|65|4698
+1.3.6.1.2.1.7.8.0|70|6116206687099577350
+1.3.6.1.4.1.21671.3.2.1.1.4.0|4|PF3250196025
+1.3.6.1.4.1.21671.3.2.1.1.5.0|4|PFS5010
+1.3.6.1.4.1.21671.3.2.1.1.6.1.2.1|66|8144288
+1.3.6.1.4.1.21671.3.2.1.1.6.1.3.1|66|6682660
+1.3.6.1.4.1.21671.3.2.1.1.7.1.2.1|66|36

snmp/tests/test_e2e_core_profiles/test_profile_netscout_switch.py

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+# (C) Datadog, Inc. 2026-present
+# All rights reserved
+# Licensed under a 3-clause BSD style license (see LICENSE)
+
+import pytest
+
+from datadog_checks.dev.utils import get_metadata_metrics
+
+from .. import common
+from ..test_e2e_core_metadata import assert_device_metadata
+from .utils import (
+    assert_all_profile_metrics_and_tags_covered,
+    assert_common_metrics,
+    assert_extend_generic_if,
+    assert_extend_generic_ip,
+    assert_extend_generic_tcp,
+    assert_extend_generic_udp,
+    create_e2e_core_test_config,
+    get_device_ip_from_config,
+)
+
+pytestmark = [pytest.mark.e2e, common.py3_plus_only, common.snmp_integration_only]
+
+
+def test_e2e_profile_netscout_switch(dd_agent_check):
+    profile = 'netscout-switch'
+    config = create_e2e_core_test_config(profile)
+    aggregator = common.dd_agent_check_wrapper(dd_agent_check, config, rate=True)
+
+    ip_address = get_device_ip_from_config(config)
+    common_tags = [
+        'snmp_profile:netscout-switch',
+        'snmp_host:netscout-switch.device.name',
+        'device_hostname:netscout-switch.device.name',
+        'device_namespace:default',
+        'snmp_device:' + ip_address,
+        'device_ip:' + ip_address,
+        'device_id:default:' + ip_address,
+        'agent_host:' + common.get_agent_hostname(),
+    ]
+
+    # --- TEST EXTENDED METRICS ---
+    assert_extend_generic_if(aggregator, common_tags)
+    assert_extend_generic_ip(aggregator, common_tags)
+    assert_extend_generic_tcp(aggregator, common_tags)
+    assert_extend_generic_udp(aggregator, common_tags)
+
+    # --- TEST METRICS ---
+    assert_common_metrics(aggregator, common_tags)
+
+    tag_row = ['nph_mgmt_index:1']
+    aggregator.assert_metric('snmp.cpu.usage', metric_type=aggregator.GAUGE, tags=common_tags + tag_row)
+    aggregator.assert_metric(
+        'snmp.memory.total',
+        metric_type=aggregator.GAUGE,
+        tags=common_tags + tag_row,
+        value=8144288 * 1024,
+    )
+    aggregator.assert_metric(
+        'snmp.memory.free',
+        metric_type=aggregator.GAUGE,
+        tags=common_tags + tag_row,
+        value=6682660 * 1024,
+    )
+    aggregator.assert_metric('snmp.memory.usage', metric_type=aggregator.GAUGE, tags=common_tags + tag_row)
+
+    # --- TEST METADATA ---
+    device = {
+        'description': 'netscout-switch Device Description',
+        'id': 'default:' + ip_address,
+        'id_tags': ['device_namespace:default', 'snmp_device:' + ip_address],
+        'ip_address': '' + ip_address,
+        'name': 'netscout-switch.device.name',
+        'profile': 'netscout-switch',
+        'status': 1,
+        'sys_object_id': '1.3.6.1.4.1.21671',
+        'vendor': 'netscout',
+        'device_type': 'switch',
+        'model': 'PFS5010',
+        'serial_number': 'PF3250196025',
+        'integration': 'snmp',
+    }
+    device['tags'] = common_tags
+    assert_device_metadata(aggregator, device)
+
+    # --- CHECK COVERAGE ---
+    assert_all_profile_metrics_and_tags_covered(profile, aggregator)
+    aggregator.assert_all_metrics_covered()
+    aggregator.assert_metrics_using_metadata(get_metadata_metrics())