vlan Skript

#!/bin/sh
# Set up a VLAN interface on an existing Synology network interface
#
# Copyright (c) 2023 Navigio UG (haftungsbeschränkt)
# This software is provided 'as-is', without any express or implied warranty.
# In no event will the authors be held liable for any damages arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose, including
# commercial applications, and to alter it and redistribute it freely.
#
# On Host this file needs to be placed into
# /usr/local/etc/rc.d
# insmod /lib/modules/8021q.ko

##### KONFIGURATION #####
# Insert your changes here...
EthernetInterface="eth0"
BridgeInterface="mvlbr"
VlanID="200"
HostIP="192.168.200.2/24"
BroadcastIP="192.168.200.255"
ContainerAccessIP="192.168.200.254/32"
ContainerNetwork="192.168.200.0/24"
##### KONFIGURATION #####

#### DON'T TOUCH HERE ANYTHING #######
# First delete possibly existing VLAN interfaces
ip link del ${BridgeInterface}.${VlanID}
ip link del ${EthernetInterface}.${VlanID}

# Set up networking interface on VLAN ID
# Prerequisite: VLAN has to be set up on router or L3 switch
ip link add link ${EthernetInterface} name ${EthernetInterface}.${VlanID} type vlan id ${VlanID}
ip addr add ${HostIP} brd ${BroadcastIP} dev ${EthernetInterface}.${VlanID}
ip link set dev ${EthernetInterface}.${VlanID} up

# macvlan bridge for communication between host & containers
ip link add ${BridgeInterface}.${VlanID} link ${EthernetInterface}.${VlanID} type macvlan mode bridge
ip addr add ${ContainerAccessIP} dev ${BridgeInterface}.${VlanID}
ip link set ${BridgeInterface}.${VlanID} up
ip route del ${ContainerNetwork}
ip route add ${ContainerNetwork} dev ${BridgeInterface}.${VlanID}
#### DON'T TOUCH HERE ANYTHING #######