diff --git a/cmd/tailscaled/tailscaled.go b/cmd/tailscaled/tailscaled.go
index d96bff392..f4a5f9b06 100644
--- a/cmd/tailscaled/tailscaled.go
+++ b/cmd/tailscaled/tailscaled.go
@@ -36,6 +36,7 @@ import (
 	"tailscale.com/version"
 	"tailscale.com/wgengine"
 	"tailscale.com/wgengine/magicsock"
+	"tailscale.com/wgengine/monitor"
 	"tailscale.com/wgengine/netstack"
 	"tailscale.com/wgengine/router"
 	"tailscale.com/wgengine/tstun"
@@ -195,6 +196,12 @@ func run() error {
 		go runDebugServer(debugMux, args.debug)
 	}
 
+	linkMon, err := monitor.New(logf)
+	if err != nil {
+		log.Fatalf("creating link monitor: %v", err)
+	}
+	pol.Logtail.SetLinkMonitor(linkMon)
+
 	var socksListener net.Listener
 	if args.socksAddr != "" {
 		var err error
@@ -205,7 +212,8 @@ func run() error {
 	}
 
 	conf := wgengine.Config{
-		ListenPort: args.port,
+		ListenPort:  args.port,
+		LinkMonitor: linkMon,
 	}
 	if args.tunname == "userspace-networking" {
 		conf.TUN = tstun.NewFakeTUN()
diff --git a/logtail/logtail.go b/logtail/logtail.go
index bad60d011..e0e9f93be 100644
--- a/logtail/logtail.go
+++ b/logtail/logtail.go
@@ -19,6 +19,7 @@ import (
 
 	"tailscale.com/logtail/backoff"
 	tslogger "tailscale.com/types/logger"
+	"tailscale.com/wgengine/monitor"
 )
 
 // DefaultHost is the default host name to upload logs to when
@@ -106,6 +107,7 @@ type Logger struct {
 	url            string
 	lowMem         bool
 	skipClientTime bool
+	linkMonitor    *monitor.Mon
 	buffer         Buffer
 	sent           chan struct{}   // signal to speed up drain
 	drainLogs      <-chan struct{} // if non-nil, external signal to attempt a drain
@@ -128,6 +130,14 @@ func (l *Logger) SetVerbosityLevel(level int) {
 	l.stderrLevel = level
 }
 
+// SetLinkMonitor sets the optional the link monitor.
+//
+// It should not be changed concurrently with log writes and should
+// only be set once.
+func (l *Logger) SetLinkMonitor(lm *monitor.Mon) {
+	l.linkMonitor = lm
+}
+
 // Shutdown gracefully shuts down the logger while completing any
 // remaining uploads.
 //