#!/bin/bash
set -e
echo '=== ping ==='
ping -c 2 -W 2 192.168.88.1 || true
echo '=== ports ==='
for p in 22 23 80 443 8291 8728 8729; do
  timeout 2 bash -c "echo >/dev/tcp/192.168.88.1/$p" 2>/dev/null && echo "open $p" || echo "closed $p"
done
echo '=== route ==='
ip route | head
echo '=== gateway ==='
ip -4 addr show