61 lines
1.3 KiB
Bash
61 lines
1.3 KiB
Bash
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#!/bin/sh
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# https://wiki.libvirt.org/page/Networking
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# ubuntu 16.04
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# /etc/network/interfaces
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#
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# 1. create br0:
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# auto br0
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# iface br0 inet static
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# bridge_ports enp6s0
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#
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# 2. move enp6s0 ip setting to br0
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create_bridge_on_ubuntu16_host() {
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echo "
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# set nic to manual
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auto enp6s0
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iface enp6s0 inet manual
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# move nic setting to bridge
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auto br0
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iface br0 inet static
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bridge_ports enp6s0
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address 10.10.2.3
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netmask 255.255.255.0
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gateway 10.10.2.254
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dns-nameservers 10.10.2.16
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"
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sudo reboot
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}
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disable_netfilter_on_host() {
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cat >> sudo tee -a /etc/sysctl.conf <<EOF
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net.bridge.bridge-nf-call-ip6tables = 0
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net.bridge.bridge-nf-call-iptables = 0
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net.bridge.bridge-nf-call-arptables = 0
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EOF
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sudo sysctl -p /etc/sysctl.conf
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}
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optional_perf_enhance() {
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echo "-I FORWARD -m physdev --physdev-is-bridged -j ACCEPT" > /etc/sysconfig/iptables-forward-bridged
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lokkit --custom-rules=ipv4:filter:/etc/sysconfig/iptables-forward-bridged
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service libvirtd reload
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}
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change_network_on_guest() {
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sudo virsh edit vmname
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echo "
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<interface type='bridge'>
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<mac address='xx:xx:xx:xx:xx:xx'/>
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<source bridge='br0'/>
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<model type='virtio'/>
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<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
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</interface>
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"
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}
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