From 5db9e437b4f758d4b1ad7471554998bedc3d04c8 Mon Sep 17 00:00:00 2001
From: Ian Gulliver <github@flamingcow.io>
Date: Sat, 29 Nov 2025 21:59:47 -0800
Subject: [PATCH] update port info on existing nodes

---
 nodes.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/nodes.go b/nodes.go
index da38d96..7aaeed7 100644
--- a/nodes.go
+++ b/nodes.go
@@ -122,6 +122,16 @@ func (n *Nodes) UpdateWithParent(parentIP net.IP, ips []net.IP, macs []net.Hardw
 	node := n.nodes[targetID]
 	var added []string
 
+	if node.LocalPort == "" && childPort != "" {
+		node.LocalPort = childPort
+		added = append(added, "localPort="+childPort)
+	}
+
+	if node.ParentPort == "" && parentPort != "" {
+		node.ParentPort = parentPort
+		added = append(added, "parentPort="+parentPort)
+	}
+
 	for _, ip := range ips {
 		ipKey := ip.String()
 		if _, exists := node.IPs[ipKey]; !exists {