40 lines
942 B
Bash
Executable File
40 lines
942 B
Bash
Executable File
#!/usr/bin/env bash
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usage() {
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echo "$0 [-h]"
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echo ""
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echo "Options:"
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# echo " -i: StarlingX ISO image"
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echo ""
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}
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while getopts "i:" o; do
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case "${o}" in
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*)
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usage
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exit 1
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;;
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esac
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done
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shift $((OPTIND-1))
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BRIDGE_INTERFACE=${BRIDGE_INTERFACE:-stxbr}
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EXTERNAL_NETWORK=${EXTERNAL_NETWORK:-10.10.10.0/24}
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EXTERNAL_IP=${EXTERNAL_IP:-10.10.10.1/24}
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if [[ -r /sys/class/net/${BRIDGE_INTERFACE}1 ]]; then
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echo "${BRIDGE_INTERFACE}1 exists, cowardly refusing to overwrite it, exiting..."
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exit 1
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fi
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for i in {1..4}; do
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sudo ip link add ${BRIDGE_INTERFACE}$i type bridge
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done
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sudo ip addr add $EXTERNAL_IP dev ${BRIDGE_INTERFACE}1
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sudo ip link set ${BRIDGE_INTERFACE}1 up
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sudo ip link set ${BRIDGE_INTERFACE}2 up
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sudo ip link set ${BRIDGE_INTERFACE}3 up
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sudo ip link set ${BRIDGE_INTERFACE}4 up
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sudo iptables -t nat -A POSTROUTING -s $EXTERNAL_NETWORK -j MASQUERADE
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