pve/build_nat_network.sh
2023-02-26 10:36:08 +08:00

51 lines
1.4 KiB
Bash

#!/bin/bash
#from https://github.com/spiritLHLS/pve
# 打印信息
_red() { echo -e "\033[31m\033[01m$@\033[0m"; }
_green() { echo -e "\033[32m\033[01m$@\033[0m"; }
_yellow() { echo -e "\033[33m\033[01m$@\033[0m"; }
_blue() { echo -e "\033[36m\033[01m$@\033[0m"; }
# 查询信息
interface=$(lshw -C network | awk '/logical name:/{print $3}' | head -1)
ip=$(curl -s ipv4.ip.sb)/24
gateway=$(ip route | awk '/default/ {print $3}')
# 录入网关
if grep -q "vmbr0" /etc/network/interfaces; then
echo "vmbr0 已存在在 /etc/network/interfaces"
else
cat << EOF | sudo tee -a /etc/network/interfaces
auto vmbr0
iface vmbr0 inet static
address $ip
gateway $gateway
bridge_ports $interface
bridge_stp off
bridge_fd 0
EOF
fi
if grep -q "vmbr1" /etc/network/interfaces; then
echo "vmbr1 已存在在 /etc/network/interfaces"
else
cat << EOF | sudo tee -a /etc/network/interfaces
auto vmbr1
iface vmbr1 inet static
address 172.16.1.1
netmask 255.255.255.0
bridge_ports none
bridge_stp off
bridge_fd 0
post-up echo 1 > /proc/sys/net/ipv4/ip_forward
post-up echo 1 > /proc/sys/net/ipv4/conf/vmbr1/proxy_arp
post-up iptables -t nat -A POSTROUTING -s '172.16.1.0/24' -o vmbr0 -j MASQUERADE
post-down iptables -t nat -D POSTROUTING -s '172.16.1.0/24' -o vmbr0 -j MASQUERADE
EOF
fi
# 重启配置
service networking restart
systemctl restart networking.service
# 配置DHCP