net_setup_test.sh

#!/bin/bash
#
# net_setup.sh
#
#                                  Creates a virtual bridge 
#
#                         ... Must be run with root priviledges ...


BRIDGE="virtbr0"
LOCAL_ETH_IF="enp7s1"
TAP_IF="tap0"

# Create Virtual Bridge "virbr0"
ip link add $BRIDGE type bridge

# Add local interface to switch by setting its master to "virbr0"
# Note: clear ip address before connecting
ip addr flush dev $LOCAL_ETH_IF
ip link set $LOCAL_ETH_IF master $BRIDGE

# Bring up the local interface and virtual bridge
ip link set dev $BRIDGE up
ip link set dev $LOCAL_ETH_IF up

# Make local interface the default route for outgoing packets
ip addr add 0.0.0.0 dev $LOCAL_ETH_IF 

# Assign IP Address to the Virtual Bridge
dhclient $BRIDGE