diff --git a/agent_based/juniper_led.py b/agent_based/juniper_led.py
new file mode 100644
index 0000000000000000000000000000000000000000..17ac79ba8d26f605c57299b4a1f7d07718edf0a9
--- /dev/null
+++ b/agent_based/juniper_led.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# License: GNU General Public License v2
+#
+# Author: thl-cmk[at]outlook[dot]com
+# URL : https://thl-cmk.hopto.org
+# Date : 2016-08-01
+#
+# monitor Juniper Networks led state
+#
+# sample snmpwalk
+# .1.3.6.1.4.1.2636.3.1.10.1.7.3.1.1.0.0 = STRING: " chassis alarm LED"
+# .1.3.6.1.4.1.2636.3.1.10.1.7.3.2.1.1.0 = STRING: " Power Supply 0 LED"
+# .1.3.6.1.4.1.2636.3.1.10.1.7.3.2.1.2.0 = STRING: " Power Supply 1 LED"
+# .1.3.6.1.4.1.2636.3.1.10.1.9.3.1.1.0.0 = INTEGER: 6
+# .1.3.6.1.4.1.2636.3.1.10.1.9.3.2.1.1.0 = INTEGER: 2
+# .1.3.6.1.4.1.2636.3.1.10.1.9.3.2.1.2.0 = INTEGER: 2
+#
+# sample string_table
+# [[' chassis alarm LED', '6'], [' Power Supply 0 LED', '2'], [' Power Supply 1 LED', '2']]
+#
+# sample section
+# {'Chassis alarm': '6', 'Power Supply 0': '2', 'Power Supply 1': '2'}
+#
+# ToDo: create WATO for monitoring levels for each LED state
+#
+from typing import Optional, Dict
+
+from cmk.base.plugins.agent_based.agent_based_api.v1 import (
+ register,
+ Service,
+ Result,
+ State,
+ SNMPTree,
+ startswith,
+)
+from cmk.base.plugins.agent_based.agent_based_api.v1.type_defs import (
+ DiscoveryResult,
+ CheckResult,
+ StringTable,
+)
+
+_juniper_led_alarm_ordered = {
+ '1': (0, 'OK, online as an active primary (blue)'), # blue
+ '2': (0, 'OK, good, normally working (green)'), # green
+ '3': (1, 'alarm, offline, not running (minor) (amber)'), # amber
+ '4': (1, 'alarm, warning, marginally working (minor) (yellow)'), # yellow
+ '5': (2, 'alert, failed, not working (major) (red)'), # red
+ '6': (3, 'unknown or unavailable'), # other
+ '7': (3, 'off'),
+ '8': (3, 'blinking blue'),
+ '9': (3, 'blinking green'),
+ '10': (3, 'blinking amber'),
+ '11': (3, 'blinking yellow'),
+ '12': (3, 'blinking red'),
+}
+
+
+def parse_juniper_led(string_table: StringTable) -> Optional[Dict[str, str]]:
+ juniper_leds = {}
+
+ for led_description, led_state in string_table:
+ # remove "LED" from description
+ led_description = led_description.replace('LED', '').strip(' ')
+ # changing the first letter into upper case
+ led_description = led_description[0].upper() + led_description[1:]
+
+ juniper_leds[led_description] = led_state
+
+ return juniper_leds
+
+
+def discovery_juniper_led(section: Dict[str, str]) -> DiscoveryResult:
+ for led in section.keys():
+ yield Service(item=led)
+
+
+def check_juniper_led(item, params, section: Dict[str, str]) -> CheckResult:
+ led_state = section.get(item)
+ if led_state:
+ state, state_readable = _juniper_led_alarm_ordered.get(led_state, (3, f'unhandled alarm type {led_state}'))
+ yield Result(state=State(state), summary=state_readable)
+
+
+register.snmp_section(
+ name='juniper_led',
+ parse_function=parse_juniper_led,
+ supersedes=['juniper_alarm'],
+ fetch=
+ SNMPTree(
+ base='.1.3.6.1.4.1.2636.3.1.10.1', # JUNIPER-MIB::jnxLEDEntry
+ oids=[
+ '7', # jnxLEDDescr
+ '9', # jnxLEDStateOrdered
+ ]
+ ),
+ detect=startswith('.1.3.6.1.2.1.1.2.0', '.1.3.6.1.4.1.2636.1.1.1'),
+)
+
+register.check_plugin(
+ name='juniper_led',
+ service_name='Alarm LED %s',
+ discovery_function=discovery_juniper_led,
+ check_function=check_juniper_led,
+ check_ruleset_name='juniper_led',
+ check_default_parameters={
+ }
+)
diff --git a/juniper_led.mkp b/juniper_led.mkp
new file mode 100644
index 0000000000000000000000000000000000000000..12e7c7e84922cfaf8f57b3c1dcdef8d98efee3e8
Binary files /dev/null and b/juniper_led.mkp differ
diff --git a/packages/juniper_led b/packages/juniper_led
new file mode 100644
index 0000000000000000000000000000000000000000..5ec46b3d88ba4e7c1b205e75ea6fe0a687eeb5ec
--- /dev/null
+++ b/packages/juniper_led
@@ -0,0 +1,19 @@
+{'author': 'Th.L. (thl-cmk[at]outlook[dot]com)',
+ 'description': 'Monitor Juniper Networks Alarm LED state. This is a '
+ 'rewrite/extension for the "juniper_alarm" check plugin.\n'
+ '\n'
+ 'Extends the check for all LEDs available in the MIB and also '
+ 'for the "blinking" state of the LEDs.\n'
+ '\n'
+ 'Note: the OIDs used in this check are deprecated by Juniper.\n'
+ '\n'
+ 'ToDo: WATO to match monitoring states to LED states\n',
+ 'download_url': 'https://thl-cmk.hopto.org',
+ 'files': {'agent_based': ['juniper_led.py']},
+ 'name': 'juniper_led',
+ 'num_files': 1,
+ 'title': 'Juniper Alarm LEDs',
+ 'version': '20220607v.0.0.1',
+ 'version.min_required': '2.0.0',
+ 'version.packaged': '2021.09.20',
+ 'version.usable_until': None}
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