From f252a38d977d319f05df29f0f756ba0d1062eb39 Mon Sep 17 00:00:00 2001
From: Manevolent <Manevolent@users.noreply.github.com>
Date: Wed, 12 Apr 2023 22:41:29 -0600
Subject: [PATCH] Update subnet-up.tmpl

---
 tinc/subnet-up.tmpl | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/tinc/subnet-up.tmpl b/tinc/subnet-up.tmpl
index c499901..41a52bf 100644
--- a/tinc/subnet-up.tmpl
+++ b/tinc/subnet-up.tmpl
@@ -6,11 +6,13 @@ if [ -z "\$nonMACChars" ]; then
   # This subnet is a MAC
   echo "\$SUBNET" > \$macFile
 else
-  # This subnet is likely an IP address, add it to the ARP table
-  if test -f "\$macFile"; then
-    mac=`cat \$macFile`
-    arp -s "\$SUBNET" "\$mac"
-  else
-    echo "[WARNING] No MAC known for node \$NODE, can't route \$SUBNET. This is only a problem if this is a remote route."
+  if echo "\$SUBNET" | grep -q -E ".+/32$"; then
+    # This subnet is likely an IP address, add it to the ARP table
+    if test -f "\$macFile"; then
+      mac=`cat \$macFile`
+      arp -s "\$SUBNET" "\$mac"
+    else
+      echo "[WARNING] No MAC known for node \$NODE, can't route \$SUBNET. This is only a problem if this is a remote route."
+    fi
   fi
 fi