mportant;">Ubuntu 18.04采用Netplan 来管理网络配置，下面说下netplan 多网卡的复杂配置
1.单网卡 DHCP配置
network:version: 2renderer: networkdethernets:enp3s0:dhcp4: true
2.配置静态ip
network:version: 2renderer: networkdethernets:enp3s0:addresses:- 10.10.10.2/24gateway4: 10.10.10.1nameservers:search: [mydomain, otherdomain]addresses: [10.10.10.1, 1.1.1.1]
3.多网口DHCP配置
network:version: 2ethernets:enred:dhcp4: yesdhcp4-overrides:route-metric: 100engreen:dhcp4: yesdhcp4-overrides:route-metric: 200
4.配置无密码的开放wifi
network:version: 2wifis:wl0:access-points:opennetwork: {}dhcp4: yes5.配置静态地址wifi，使用WAP和WAP2加密的wifi
network:version: 2renderer: networkdwifis:wlp2s0b1:dhcp4: nodhcp6: noaddresses: [192.168.0.21/24]gateway4: 192.168.0.1nameservers:addresses: [192.168.0.1, 8.8.8.8]access-points:"network_ssid_name":password: "**********"
6.一个网口上配置多个地址：
network:version: 2renderer: networkdethernets:enp3s0:addresses:- 10.100.1.38/24- 10.100.1.39/24gateway4: 10.100.1.1
7.一个网口上面有多个地址和多个网关
network:version: 2renderer: networkdethernets:enp3s0:addresses:- 9.0.0.9/24- 10.0.0.10/24- 11.0.0.11/24#gateway4: # unset, since we configure routes belowroutes:- to: 0.0.0.0/0 #路由via: 9.0.0.1 #网关metric: 100 #优先级- to: 0.0.0.0/0 #路由via: 10.0.0.1 #网关metric: 100 #优先级- to: 0.0.0.0/0 #路由via: 11.0.0.1 #网关metric: 100 #优先级
8.bonding 主备模式
network:version: 2renderer: networkdbonds:bond0:dhcp4: yesinterfaces:- enp3s0- enp4s0parameters:mode: active-backupprimary: enp3s0
9.bonding 802.3ad模式
network:version: 2renderer: networkdethernets:enp2s0:dhcp4: noenp3s0:dhcp4: nooptional: truebonds:bond-lan:interfaces: [enp2s0, enp3s0]addresses: [192.168.93.2/24]parameters:mode: 802.3admii-monitor-interval: 1
交换机配置 以华为交换机为例
<Quidway> system-view
[SwitchA] interface eth-trunk 1
[SwitchA-Eth-Trunk1] bpdu enable
[SwitchA-Eth-Trunk1] mode lacp-static
[SwitchA-Eth-Trunk1] q
[SwitchA] interface gigabitethernet 0/0/1
[SwitchA-GigabitEthernet0/0/1] eth-trunk 1
[SwitchA-GigabitEthernet0/0/1] quit
[SwitchA] interface gigabitethernet 0/0/2
[SwitchA-GigabitEthernet0/0/2] eth-trunk 1
[SwitchA-GigabitEthernet0/0/2] q
[SwitchA] display eth-trunk 1 #查看是否协商成功
服务器 cat /proc/net/bonding/bond4-lan #查看是否协商成功
单网口 多网段 接交换机truk口 打vlan标签
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: [ "114.114.114.114" ]
配置多网卡多网口多ip多路由
network:version: 2renderer: networkdethernets:ens3:addresses:- 192.168.3.30/24dhcp4: noroutes:- to: 192.168.3.0/24via: 192.168.3.1table: 101routing-policy:- from: 192.168.3.0/24table: 101ens5:addresses:- 192.168.5.24/24dhcp4: nogateway4: 192.168.5.1routes:- to: 192.168.5.0/24via: 192.168.5.1table: 102routing-policy:- from: 192.168.5.0/24table: 102
network:
ethernets:
ens33:
dhcp4: false
dhcp6: false
addresses: [192.168.1.20/24]
#gateway4: 192.168.1.253
routes:
- to: 192.168.0.0/24
via: 192.168.1.253
- to: 192.168.1.0/24
via: 192.168.1.253
- to: 192.168.2.0/24
via: 192.168.1.253
- to: 192.168.3.0/24
via: 192.168.1.253
- to: 192.168.4.0/24
via: 192.168.1.253
- to: 192.168.5.0/24
via: 192.168.1.253
table: 101
routing-policy:
- from: 0.0.0.0/24
table: 101
nameservers:
addresses: [192.168.1.1, 192.168.1.2]
ens34:
dhcp4: false
dhcp6: false
addresses: [172.16.0.10/24]
gateway4: 172.16.0.253
nameservers:
addresses: [172.16.0.1, 192.168.1.1]
version: 2
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