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: 2

2、配置Bond网卡；

network: version: 2 renderer: networkd ethernets: enp3s0: dhcp4: no bridges: br0: dhcp4: yes interfaces: - enp3s0 - enp3s1

3、配置桥接网卡；

network: version: 2 renderer: networkd ethernets: enp3s0: dhcp4: no bridges: br0: dhcp4: yes interfaces: - enp3s0

4、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: [mydomain, otherdomain] addresses: [10.10.10.1, 1.1.1.1]

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: 200

6、配置无线网卡连接不加密网络；

network: version: 2 wifis: wl0: access-points: opennetwork: {SSID} dhcp4: yes

7、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: [192.168.0.21/24] gateway4: 192.168.0.1 nameservers: addresses: [192.168.0.1, 8.8.8.8] 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: yes

9、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: 10.100.1.1

11、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: 100

12、配置使用NetworkManager作为后端管理服务；

network: version: 2 renderer: NetworkManager

13、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: enp3s0

14、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: [enp2s0, enp3s0] addresses: [192.168.93.2/24] parameters: mode: 802.3ad mii-monitor-interval: 1 bond-wan: interfaces: [enp1s0, enp4s0] addresses: [192.168.1.252/24] gateway4: 192.168.1.1 nameservers: search: [local] addresses: [8.8.8.8, 8.8.4.4] parameters: mode: active-backup mii-monitor-interval: 1 gratuitious-arp: 5 bond-conntrack: interfaces: [enp5s0, enp6s0] addresses: [192.168.254.2/24] parameters: mode: balance-rr mii-monitor-interval: 1

15、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: enp0s25

16、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: true

IPV6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: true

18、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: 102

19、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: mac

21、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[2-3] link: eno1 addresses : [ "10.15.99.25/24" ]