ubuntu 網卡名稱重命名

時間  2020-12-02
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ubuntu 網卡名稱重命名

 

參考：https://blog.csdn.net/hzj_001/article/details/81587824node

biosdevname 和 net.ifnames 兩種命名規範
---------------------------------------
net.ifnames 的命名規範爲:   設備類型+設備位置+數字

設備類型：
en 表示Ethernet
wl 表示WLAN
ww 表示無線廣域網WWAN

實際的例子:
eno1 板載網卡
enp0s2  pci網卡
ens33   pci網卡
wlp3s0  PCI無線網卡
wwp0s29f7u2i2   4G modem
wlp0s2f1u4u1   鏈接在USB Hub上的無線網卡
enx78e7d1ea46da pci網卡

---------------------------------------

biosdevname 的命名規範爲：

實際的例子:
em1 板載網卡
p3p4 pci網卡
p3p4_1 虛擬網卡

---------------------------------------

 

修改 grub 引導參數ios

# 查看 GRUB_CMDLINE_LINUX 變量
$ cat /etc/default/grub | grep GRUB_CMDLINE_LINUX

# 修改 GRUB_CMDLINE_LINUX 變量
$ sudo sed -i 's/^.*GRUB_CMDLINE_LINUX="".*$/GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0"/g' /etc/default/grub

# 更新grub引導
$ sudo update-grub

# 重啓系統
$ sudo reboot

 

參考：https://kb.vmware.com/s/article/1032790ubuntu

 

# 查看全部網卡列表
$ ifconfig -s
$ ifconfig -a

# 查看網絡設備類型的設備配置規則
$ cat /etc/udev/rules.d/70-persistent-net.rules | grep net

# 執行 write_net_rules 腳本，此腳本會更新 /etc/udev/rules.d/70-persistent-net.rules 文件
# "ethN" 指網卡設備名稱，例如："eth0"
# "xx:xx:xx:xx:xx:xx" 指網卡設備的MAC地址，例如："00:10:f3:5a:96:36"
$ sudo rm /etc/udev/rules.d/70-persistent-net.rules
$ sudo env INTERFACE="ethN" MATCHADDR="xx:xx:xx:xx:xx:xx" /lib/udev/write_net_rules


# 查看網卡名稱設備對應的MAC地址
$ ifconfig -a eth0 | grep HWaddr

# 查看網卡名稱設備的帶寬速率
$ ethtool eth0 | grep "link mode"

# 查看網卡名稱設備對應的PCIID
$ ethtool -i eth0 | grep bus

# 查看網卡名稱設備對應的驅動
$ ethtool -i eth0 | grep driver

# 查看網卡設備的PCIID
$ lspci | grep -i eth
# 查看PCIID的設備信息
$ lspci -D -n -vvv -s 01:00.0
# 查看指定設備ID的設備信息
$ lspci -D -n -vvv -d 8086:10fb

# 查看系統指定設備信息
$ udevadm info -a -p /sys/class/net/eth0

# 從新加載設備規則配置文件
$ sudo chmod a+x /etc/udev/rules.d/70-persistent-net.rules
$ sudo udevadm control --reload-rules 或 sudo service udev restart

# 重啓網絡管理服務
# sudo service networking restart

# 編輯網卡配置文件
$ sudo vi /etc/network/interfaces

# 查看系統路由項
$ sudo netstat -nr

 

$ sudo vi /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
# auto setting
#auto eth0
#iface eth0 inet dhcp
#auto eth1
#iface eth1 inet dhcp

# manual setting
auto eth0
iface eth0 inet static
        address 172.16.204.31
        netmask 255.255.255.0
        broadcast 172.16.204.255
	network 172.16.204.0

#auto eth1
#iface eth1 inet static       
	#address 192.168.1.31
	#netmask 255.255.255.0
	#broadcast 192.168.1.255
	#network 192.168.1.0

up route add default gw 172.16.204.1 dev eth0
#up route add -net 192.168.1.0 netmask 255.255.255.0 gw 192.168.1.1 dev eth1

# This is an autoconfigured IPv6 interface
# auto setting
iface eth0 inet6 auto
#iface eth1 inet6 auto

# manual setting

 

$ sudo vi /etc/resolvconf/resolv.conf.d/base 
nameserver 114.114.114.114
nameserver 8.8.8.8
#nameserver 4.2.2.1
#nameserver 4.2.2.2
search localdomain

 

$ sudo cat /etc/hostname
localhost.localdomain

 

$ sudo vi /etc/hosts
127.0.0.1	localhost localhost.localdomain

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

 

# 網絡設備信息

--------------------------------------------------------------------------------------
name  type      MATCHADDR          Bandwidth        PCIID         driver   device
--------------------------------------------------------------------------------------
eth0  Ethernet  00:13:32:0e:2a:60  1000baseT/Full   0000:05:00.0  e1000e   8086:10d3  
eth1  Ethernet  00:13:32:0e:2a:61  1000baseT/Full   0000:06:00.0  e1000e   8086:10d3  
eth2  Ethernet  00:13:32:0e:2a:62  1000baseT/Full   0000:07:00.0  e1000e   8086:10d3  
eth3  Ethernet  00:13:32:0e:2a:63  1000baseT/Full   0000:08:00.0  e1000e   8086:10d3  
--------------------------------------------------------------------------------------
eth4  Ethernet  00:10:f3:5a:96:36  10000baseT/Full  0000:01:00.0  ixgbe    8086:10fb  
eth5  Ethernet  00:10:f3:5a:96:37  10000baseT/Full  0000:01:00.1  ixgbe    8086:10fb  
--------------------------------------------------------------------------------------

# 將設備MAC地址與ethN接口名稱相關聯

$ sudo vi cat 70-persistent-net.rules 
# This file was automatically generated by the /lib/udev/write_net_rules
# program, run by the persistent-net-generator.rules rules file.
#
# You can modify it, as long as you keep each rule on a single
# line, and change only the value of the NAME= key.


# PCI device 0x8086:10d3 (e1000e) --- 05:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:13:32:0e:2a:60", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

# PCI device 0x8086:10d3 (e1000e) --- 06:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:13:32:0e:2a:61", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

# PCI device 0x8086:10d3 (e1000e) --- 07:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:13:32:0e:2a:62", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth2"

# PCI device 0x8086:10d3 (e1000e) --- 08:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:13:32:0e:2a:63", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth3"

# PCI device 0x8086:0x10fb (ixgbe) --- 01:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:10:f3:5a:96:36", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth4"

# PCI device 0x8086:0x10fb (ixgbe) --- 01:00.1
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:10:f3:5a:96:37", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth5"


# 將設備PCI總線地址與ethN接口名稱相關聯

$ sudo vi cat 70-persistent-net.rules 
# This file was automatically generated by the /lib/udev/write_net_rules
# program, run by the persistent-net-generator.rules rules file.
#
# You can modify it, as long as you keep each rule on a single
# line, and change only the value of the NAME= key.


# PCI device 0x8086:10d3 (e1000e) --- 05:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", %B=="0000:05:00.0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

# PCI device 0x8086:10d3 (e1000e) --- 06:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", %B=="0000:06:00.0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

# PCI device 0x8086:10d3 (e1000e) --- 07:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", %B=="0000:07:00.0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth2"

# PCI device 0x8086:10d3 (e1000e) --- 08:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", %B=="0000:08:00.0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth3"

# PCI device 0x8086:0x10fb (ixgbe) --- 01:00.0
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", %B=="0000:01:00.0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth4"

# PCI device 0x8086:0x10fb (ixgbe) --- 01:00.1
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", %B=="0000:01:00.1", ATTR{type}=="1", KERNEL=="eth*", NAME="eth5"


# 從新加載設備規則配置文件
$ sudo chmod a+x /etc/udev/rules.d/70-persistent-net.rules
$ sudo udevadm control --reload-rules 或 sudo service udev restart


 

# 查看網橋鏈接
$ sudo modprobe br_netfilter
$ show brctl show

# 開啓 IP 轉發：
$ sudo vi /etc/sysctl.conf --> net.ipv4.ip_forward=1 (永久開啓)

# 禁用網絡過濾器
# 向文件/etc/sysctl.conf添加如下代碼:
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0

# 從新加載kernel參數
$ sudo sysctl -p


 

================ End網絡

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