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#!/bin/bash -e
IFADDR="192.168.3.1/24"
if [[ ! ip link show docker0 ]]; then
ip link add docker0 type bridge
ip addr add "$IFADDR" dev docker0
ip link set docker0 up
iptables -t nat -A POSTROUTING -s "$IFADDR" ! -d "$IFADDR" -j MASQUERADE
fi
echo 1 > /proc/sys/net/ipv4/ip_forward
#!/bin/bash -e
iptables -t nat -F
ifconfig docker0 down
brctl delbr docker0
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