diff --git a/internal/bbsim/devices/pon.go b/internal/bbsim/devices/pon.go
index 23021a1..0caaa42 100644
--- a/internal/bbsim/devices/pon.go
+++ b/internal/bbsim/devices/pon.go
@@ -67,6 +67,10 @@
 	allocatedAllocIdsLock sync.RWMutex
 }
 
+func (p *PonPort) GetAllOnus() []*Onu {
+	return p.Onus
+}
+
 // CreatePonPort creates pon port object
 func CreatePonPort(olt *OltDevice, id uint32, tech common.PonTechnology) *PonPort {
 	ponPort := PonPort{