Ubuntu 20.04.2 LTS Netplan 配置网络
使用NetPlan网络管理工具配置网卡.1、单网卡配置dhcp获取地址；
root@ubuntu20:~# cat /etc/netplan/00-installer-config.yaml
# This is the network config written by 'subiquity'
network:
ethernets:
ens3:
dhcp4: yes
version: 22、配置Bond网卡；
network:
version: 2
renderer: networkd
ethernets:
enp3s0:
dhcp4: no
bridges:
br0:
dhcp4: yes
interfaces:
- enp3s0
- enp3s13、配置桥接网卡；
network:
version: 2
renderer: networkd
ethernets:
enp3s0:
dhcp4: no
bridges:
br0:
dhcp4: yes
interfaces:
- enp3s04、单网卡配置静态ip地址，网关，dns；
network:
version: 2
renderer: networkd
ethernets:
enp3s0:
addresses:
- 10.10.10.2/24
gateway4: 10.10.10.1
nameservers:
search:
addresses: 5、多网卡配置dhcp，设置路由开销；
network:
version: 2
ethernets:
enred:
dhcp4: yes
dhcp4-overrides:
route-metric: 100
engreen:
dhcp4: yes
dhcp4-overrides:
route-metric: 2006、配置无线网卡连接不加密网络；
network:
version: 2
wifis:
wl0:
access-points:
opennetwork: {SSID}
dhcp4: yes7、配置无线网卡连接WPA个人加密网络；
network:
version: 2
renderer: networkd
wifis:
wlp2s0b1:
dhcp4: no
dhcp6: no
addresses:
gateway4: 192.168.0.1
nameservers:
addresses:
access-points:
"network_ssid_name":
password: "**********"8、配置企业加密网络认证；
network:
version: 2
wifis:
wl0:
access-points:
workplace:
auth:
key-management: eap
method: ttls
anonymous-identity: "@internal.example.com"
identity: "joe@internal.example.com"
password: "v3ryS3kr1t"
dhcp4: yes9、配置企业加密网络证书认证；
network:
version: 2
wifis:
wl0:
access-points:
university:
auth:
key-management: eap
method: tls
anonymous-identity: "@cust.example.com"
identity: "cert-joe@cust.example.com"
ca-certificate: /etc/ssl/cust-cacrt.pem
client-certificate: /etc/ssl/cust-crt.pem
client-key: /etc/ssl/cust-key.pem
client-key-password: "d3cryptPr1v4t3K3y"
dhcp4: yes
10、单网卡配置多个ip地址，网关；
network:
version: 2
renderer: networkd
ethernets:
enp3s0:
addresses:
- 10.100.1.38/24
- 10.100.1.39/24
gateway4: 10.100.1.111、配置静态路由，路由开销；
network:
version: 2
renderer: networkd
ethernets:
enp3s0:
addresses:
- 9.0.0.9/24
- 10.0.0.10/24
- 11.0.0.11/24
#gateway4:# unset, since we configure routes below
routes:
- to: 0.0.0.0/0
via: 9.0.0.1
metric: 100
- to: 0.0.0.0/0
via: 10.0.0.1
metric: 100
- to: 0.0.0.0/0
via: 11.0.0.1
metric: 10012、配置使用NetworkManager作为后端管理服务；
network:
version: 2
renderer: NetworkManager13、配置双网卡绑定，mode为active-backup；
network:
version: 2
renderer: networkd
bonds:
bond0:
dhcp4: yes
interfaces:
- enp3s0
- enp4s0
parameters:
mode: active-backup
primary: enp3s014、配置多网卡绑定，option：true，不等待网卡激活，启动bond；
network:
version: 2
renderer: networkd
ethernets:
enp1s0:
dhcp4: no
enp2s0:
dhcp4: no
enp3s0:
dhcp4: no
optional: true
enp4s0:
dhcp4: no
optional: true
enp5s0:
dhcp4: no
optional: true
enp6s0:
dhcp4: no
optional: true
bonds:
bond-lan:
interfaces:
addresses:
parameters:
mode: 802.3ad
mii-monitor-interval: 1
bond-wan:
interfaces:
addresses:
gateway4: 192.168.1.1
nameservers:
search:
addresses:
parameters:
mode: active-backup
mii-monitor-interval: 1
gratuitious-arp: 5
bond-conntrack:
interfaces:
addresses:
parameters:
mode: balance-rr
mii-monitor-interval: 115、配置桥接网络，并打上VLAN标记；
network:
version: 2
renderer: networkd
ethernets:
enp0s25:
dhcp4: true
bridges:
br0:
addresses: [ 10.3.99.25/24 ]
interfaces: [ vlan15 ]
vlans:
vlan15:
accept-ra: no
id: 15
link: enp0s2516、配置多个VLAN标记；
network:
version: 2
renderer: networkd
ethernets:
mainif:
match:
macaddress: "de:ad:be:ef:ca:fe"
set-name: mainif
addresses: [ "10.3.0.5/23" ]
gateway4: 10.3.0.1
nameservers:
addresses: [ "8.8.8.8", "8.8.4.4" ]
search: [ example.com ]
vlans:
vlan15:
id: 15
link: mainif
addresses: [ "10.3.99.5/24" ]
vlan10:
id: 10
link: mainif
addresses: [ "10.3.98.5/24" ]
nameservers:
addresses: [ "127.0.0.1" ]
search: [ domain1.example.com, domain2.example.com ]17、配置直链路由；
IPV4配置
network:
version: 2
renderer: networkd
ethernets:
addresses: [ "10.10.10.1/24" ]
routes:
- to: 0.0.0.0/0
via: 9.9.9.9
on-link: trueIPV6配置
network:
version: 2
renderer: networkd
ethernets:
addresses: [ "2001:cafe:face:beef::dead:dead/64" ]
routes:
- to: "2001:cafe:face::1/128"
scope: link
- to: "::/0"
via: "2001:cafe:face::1"
on-link: true18、配置策略路由；
network:
version: 2
renderer: networkd
ethernets:
ens3:
addresses:
- 192.168.3.30/24
dhcp4: no
routes:
- to: 192.168.3.0/24
via: 192.168.3.1
table: 101
routing-policy:
- from: 192.168.3.0/24
table: 101
ens5:
addresses:
- 192.168.5.24/24
dhcp4: no
gateway4: 192.168.5.1
routes:
- to: 192.168.5.0/24
via: 192.168.5.1
table: 102
routing-policy:
- from: 192.168.5.0/24
table: 10219、配置环回口地址；
network:
version: 2
renderer: networkd
ethernets:
lo:
match:
name: lo
addresses: [ 7.7.7.7/32 ]20、Windows dhcp配置参考；
network:
version: 2
ethernets:
enp3s0:
dhcp4: yes
dhcp-identifier: mac21、配置IP通道；
network:
version: 2
ethernets:
eth0:
addresses:
- 1.1.1.1/24
- "2001:cafe:face::1/64"
gateway4: 1.1.1.254
tunnels:
he-ipv6:
mode: sit
remote: 2.2.2.2
local: 1.1.1.1
addresses:
- "2001:dead:beef::2/64"
gateway6: "2001:dead:beef::1"22、配置SR-IOV 子网卡
network:
version: 2
ethernets:
eno1:
mtu: 9000
enp1s16f1:
link: eno1
addresses : [ "10.15.98.25/24" ]
vf1:
match:
name: enp1s16f
link: eno1
addresses : [ "10.15.99.25/24" ]
文档来源：51CTO技术博客https://blog.51cto.com/coolsky/3327978
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