从ifupdown迁移到netplan

Question

我试图从ifupdown迁移到netplan，但结果总是不一样。

对于这样的netplan配置，正确的networking配置是什么：

auto lo
iface lo inet loopback

auto eno0
iface eno0 inet static
  address xxx.xxx.51.20/24
  gateway xxx.xxx.51.254 
  post-up echo 1 > /proc/sys/net/ipv4/ip_forward
  post-up echo 1 > /proc/sys/net/ipv4/conf/eno0/proxy_arp


auto vmbr0
iface vmbr0 inet static
  address xxx.xxx.198.104/24
  bridge-ports none
  bridge-stp off
  bridge-fd 0


auto vmbr1
iface vmbr1 inet static
  address xxx.xxx.198.105/24
  bridge-ports none
  bridge-stp off
  bridge-fd 0

auto vmbr2
iface vmbr2 inet static
  address xxx.xxx.198.106/24
  bridge-ports none
  bridge-stp off
  bridge-fd 0

auto vmbr3
iface vmbr3 inet static
  address xxx.xxx.198.107/24
  bridge-ports none
  bridge-stp off
  bridge-fd 0

Answer 1

经过几天的试验和错误之后，我发现，目前，我们需要一个解决办法，改变systemd网络：

• 我们需要在/etc/systemd/network上创建几个文件，所以导航到目录：

$ cd /etc/systemd/network

• 为桥定义vlan，请将cat更改为编辑器

$ cat 00-vmvlan0.netdev 
[NetDev]
Name=vmvlan0
Kind=macvlan
# Optional MAC address, or other options
MACAddress=xx:xx:xx:xx:26:12

[MACVLAN]
Mode=bridge

$ cat 00-vmvlan0.network 
[Match]
Name=vmvlan0

[Network]
Address=xxx.xxx.198.104/32
IPForward=yes
ConfigureWithoutCarrier=yes

• 定义桥

$ cat 00-vmbr0.netdev 
[NetDev]
Name=vmbr0
Kind=bridge

$ cat 00-vmbr0.network 
[Match]
Name=vmbr0

[Network]
MACVLAN=vmvlan0

• 为下一个IP重复
• 链接桥、vlan和接口：

$ cat 10-netplan-eno1.link 
[Match]
MACAddress=xx:xx:xx:xx:19:d0

[Link]
Name=eno1
WakeOnLan=off

$ cat 10-netplan-eno1.network 
[Match]
MACAddress=xx:xx:xx:xx:19:d0
Name=eno1

[Network]
DHCP=ipv4
LinkLocalAddressing=ipv6
MACVLAN=vmvlan0
MACVLAN=vmvlan1
MACVLAN=vmvlan2
MACVLAN=vmvlan3

[DHCP]
RouteMetric=100
UseMTU=true

• 我们可以使用默认的netplan配置：

$ sudo cat /etc/netplan/50-cloud-init.yaml
network:
    version: 2
    ethernets:
        eno1:
            dhcp4: true
            match:
                macaddress: xx:xx:xx:2a:19:d0
            set-name: eno1