Update network.sh

network.sh

@@ -1,4 +1,34 @@
 #!/bin/bash
+#from https://github.com/spiritLHLS/pve
 
-# 重启网络服务以应用更改
+interface=$(lshw -C network | awk '/logical name:/{print $3}' | head -1)
+ip=$(ip addr show $interface | awk '/inet /{print $2}' | head -1)
+netmask=$(ifconfig $interface | awk '/netmask/{print $4}' | head -1)
+gateway=$(ip route | awk '/default/ {print $3}')
+cat << EOF | sudo tee /etc/network/interfaces.d/vmbr0
+auto vmbr0
+iface vmbr0 inet static
+    address $ip
+    netmask $netmask
+    gateway $gateway
+    bridge_ports $interface
+    bridge_stp off
+    bridge_fd 0
+EOF
+
+cat << EOF | sudo tee /etc/network/interfaces.d/vmbr1
+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
+
+service networking restart
 systemctl restart networking.service