diff --git a/source/_components/device_tracker.snmp.markdown b/source/_components/device_tracker.snmp.markdown
index 1e28695a6bd..45afbc2585f 100644
--- a/source/_components/device_tracker.snmp.markdown
+++ b/source/_components/device_tracker.snmp.markdown
@@ -31,6 +31,7 @@ The following OID examples pull the current MAC Address table from a router. Thi
 | Mikrotik | unknown RouterOS version/model | `1.3.6.1.4.1.14988.1.1.1.2.1.1` |
 | Mikrotik | RouterOS 6.x on RB2011 | `1.3.6.1.2.1.4.22.1.2` |
 | OpenWrt | Chaos Calmer 15.05 | `1.3.6.1.2.1.4.22.1.2` |
+| OPNSense | 19.1  | `1.3.6.1.2.1.4.22.1.2` |
 | pfSense | 2.2.4  | `1.3.6.1.2.1.4.22.1.2` |
 | Ruckus | ZoneDirector 9.13.3 | `1.3.6.1.4.1.25053.1.2.2.1.1.3.1.1.1.6` |
 | TP-Link | Archer VR2600v |  `1.3.6.1.2.1.3.1.1.2.19.1` |