pve/network.sh
2023-02-24 13:50:58 +08:00

42 lines
1.3 KiB
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#!/bin/bash
#from https://github.com/spiritLHLS/pve
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}')
if grep -q "vmbr0" /etc/network/interfaces; then
echo "vmbr0 already exists in /etc/network/interfaces"
else
# Add the vmbr0 configuration block
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 already exists in /etc/network/interfaces"
else
# Add the vmbr1 configuration block
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
service networking restart
systemctl restart networking.service