vm-start/ethernet_restreint/config_interface.sh
2024-02-19 17:38:08 +00:00

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#!/bin/bash
add_bridge() {
echo "add bridge interface ${bridge}"
ip link add ${bridge} type bridge
# authorise qemu to use as interface ${bridge} as bridge
if cat /etc/qemu/bridge.conf | grep -q "${bridge}"
then
echo "bridge already authorised by qemu"
else
echo "allow ${bridge}" | tee -a /etc/qemu/bridge.conf
echo "entry added to /etc/qemu/bridge.conf"
fi
echo "activate bridge ${bridge}"
ip link set dev ${bridge} up
}
ip link add br0 type bridge
ip link set dev tap0 master br0
ip address delete 10.0.2.100/24 dev tap0
ip address add 10.0.2.100/24 dev br0
ip link set dev br0 up
ip route add default via 10.0.2.0 dev br0
ip route add 10.10.0.0/24 via 10.0.2.31
bridge="br1"
add_bridge
bridge="br2"
add_bridge