diff --git a/bin/netvm-topology.sh b/bin/netvm-topology.sh
index 83ec920..868c55a 100755
--- a/bin/netvm-topology.sh
+++ b/bin/netvm-topology.sh
@@ -14,6 +14,7 @@ done
 iptables -t nat -L POSTROUTING -n 2>/dev/null | grep '10.201\.' || echo "(no netvm NAT rules on host)"
 echo "--- CDP bridges (per netns PREROUTING) ---"
 for ns in $(ip netns list 2>/dev/null | awk '{print $1}' | grep '^warp-'); do
-  redir=$(ip netns exec "$ns" iptables -t nat -L PREROUTING -n 2>/dev/null | grep -c REDIRECT || true)
-  echo "$ns: $redir REDIRECT rule(s)"
+  echo "$ns PREROUTING:"
+  ip netns exec "$ns" iptables -t nat -L PREROUTING -n --line-numbers 2>/dev/null | grep -E "REDIRECT|Chain" || echo "  (empty)"
+  echo "$ns route_localnet: $(ip netns exec "$ns" sysctl -n net.ipv4.conf.all.route_localnet 2>/dev/null || echo ?)"
 done