Nat
<network>
<name>nat</name>
<uuid>77b28eff-3186-4410-adb6-2fb0b97746b9</uuid>
<forward mode='nat'/>
<bridge name='virbr1' stp='on' delay='0'/>
<mac address='52:54:00:08:29:fb'/>
<ip address='172.16.88.1' netmask='255.255.255.0'>
<dhcp>
<range start='172.16.88.2' end='172.16.88.254'/>
</dhcp>
</ip>
</network>
Define and start
- virsh net-define nat.xml
- virsh net-start nat
Iptables
- iptables -t nat -vnL POSTROUTING
Chain POSTROUTING (policy ACCEPT 171 packets, 10860 bytes)
pkts bytes target prot opt in out source destination
0 0 RETURN all -- * * 172.16.88.0/24 224.0.0.0/24
0 0 RETURN all -- * * 172.16.88.0/24 255.255.255.255
0 0 MASQUERADE tcp -- * * 172.16.88.0/24 !172.16.88.0/24 masq ports: 1024-65535
0 0 MASQUERADE udp -- * * 172.16.88.0/24 !172.16.88.0/24 masq ports: 1024-65535
0 0 MASQUERADE all -- * * 172.16.88.0/24 !172.16.88.0/24
VMM_Virtual_Networks
Route
<network>
<name>route</name>
<uuid>77b28eff-3186-4410-adb5-2fb0b97746b9</uuid>
<forward mode='route'/>
<bridge name='virbr2' stp='on' delay='0'/>
<mac address='52:54:02:08:29:fb'/>
<ip address='172.16.89.1' netmask='255.255.255.0'>
<dhcp>
<range start='172.16.89.2' end='172.16.89.254'/>
</dhcp>
</ip>
</network>
Define and start
- virsh net-define route.xml
- virsh net-start route
VMM_Virtual_Networks