#!/bin/bash

TARGET_IP="192.168.1.1"
LOG_TAG="net-watchdog"

ping -c 1 -W 2 $TARGET_IP > /dev/null 2>&1
if [ $? -ne 0 ]; then
    logger -t $LOG_TAG "Conectividad perdida. Reiniciando vmbr0 + eno1..."

    IP_ADDR=$(ip -o -4 addr show dev vmbr0 | awk '{print $4}')
    ip addr flush dev vmbr0
    ip link set vmbr0 down
    ip link set eno1 down
    sleep 2
    ip link set eno1 up
    ip link set vmbr0 up
    ip addr add "$IP_ADDR" dev vmbr0
    ip route add default via $TARGET_IP

    logger -t $LOG_TAG "Reconfiguración completada."
else
    logger -t $LOG_TAG "Conectividad OK."
fi