Linux篇：给RHEL7添加一张自定义网卡并更改网卡接口

深碍√TFBOYSˉ_ 2024-03-16 20:31 46阅读 0赞

环境

VMware Workstation Pro

Red Hat Enterprise Linux Server release 7.3

查看当前网卡信息 \`\`\` \[root@Jaking ~\]\# cat /etc/redhat-release

Red Hat Enterprise Linux Server release 7.3 (Maipo)

\[root@Jaking ~\]\# ifconfig

ens33: flags=4163 mtu 1500

inet 192.168.10.11 netmask 255.255.255.0 broadcast 192.168.10.255

inet6 fe80::250:56ff:fe2b:88bf prefixlen 64 scopeid 0x20>

ether 00:50:56:2b:88:bf txqueuelen 1000 (Ethernet)

RX packets 454 bytes 44638 (43.5 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 339 bytes 33150 (32.3 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73 mtu 65536

inet 127.0.0.1 netmask 255.0.0.0

inet6 ::1 prefixlen 128 scopeid 0x10

loop txqueuelen 1 (Local Loopback)

RX packets 112 bytes 9492 (9.2 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 112 bytes 9492 (9.2 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 \`\`\` 添加网卡

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取消红框内的钩

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`查看网卡信息 [root@Jaking ~]# ifconfig ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.10.11 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::250:56ff:fe2b:88bf prefixlen 64 scopeid 0x20<link> ether 00:50:56:2b:88:bf txqueuelen 1000 (Ethernet) RX packets 488 bytes 47935 (46.8 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 356 bytes 35698 (34.8 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ens38: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 ether 00:0c:29:46:f9:b8 txqueuelen 1000 (Ethernet) RX packets 5 bytes 594 (594.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1 (Local Loopback) RX packets 112 bytes 9492 (9.2 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 112 bytes 9492 (9.2 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 配置网卡并改网卡接口 [root@Jaking ~]# cd /etc/sysconfig/network-scripts/ [root@Jaking network-scripts]# ls ifcfg-ens33 ifdown-ipv6 ifdown-TeamPort ifup-ippp ifup-routes network-functions ifcfg-lo ifdown-isdn ifdown-tunnel ifup-ipv6 ifup-sit network-functions-ipv6 ifdown ifdown-post ifup ifup-isdn ifup-Team ifdown-bnep ifdown-ppp ifup-aliases ifup-plip ifup-TeamPort ifdown-eth ifdown-routes ifup-bnep ifup-plusb ifup-tunnel ifdown-ib ifdown-sit ifup-eth ifup-post ifup-wireless ifdown-ippp ifdown-Team ifup-ib ifup-ppp init.ipv6-global 添加网卡后，需要创建对应的网卡配置文件 [root@Jaking network-scripts]# cp ifcfg-ens33 ifcfg-ens34 [root@Jaking network-scripts]# vim ifcfg-ens34 TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes PEERDNS=yes PEERROUTES=yes IPV4_FAILURE_FATAL=no NAME=ens34 DEVICE=ens34 ONBOOT=yes IPADDR=172.16.100.100 NETMASK=255.255.255.0 禁用ens38接口 [root@Jaking network-scripts]# ip link set ens38 down [root@Jaking network-scripts]# ifconfig ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.10.11 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::250:56ff:fe2b:88bf prefixlen 64 scopeid 0x20<link> ether 00:50:56:2b:88:bf txqueuelen 1000 (Ethernet) RX packets 812 bytes 74791 (73.0 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 537 bytes 61780 (60.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1 (Local Loopback) RX packets 112 bytes 9492 (9.2 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 112 bytes 9492 (9.2 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 重命名ens38接口为ens34 [root@Jaking network-scripts]# ip link set ens38 name ens34 启用修改完成的ens34接口 [root@Jaking network-scripts]# ip link set ens34 up [root@Jaking network-scripts]# systemctl restart network [root@Jaking network-scripts]# ifconfig ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.10.11 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::250:56ff:fe2b:88bf prefixlen 64 scopeid 0x20<link> ether 00:50:56:2b:88:bf txqueuelen 1000 (Ethernet) RX packets 1389 bytes 123239 (120.3 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 913 bytes 117924 (115.1 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ens34: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 172.16.100.100 netmask 255.255.255.0 broadcast 192.168.100.255 ether 00:0c:29:46:f9:b8 txqueuelen 1000 (Ethernet) RX packets 5 bytes 594 (594.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 2 bytes 120 (120.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1 (Local Loopback) RX packets 148 bytes 12552 (12.2 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 148 bytes 12552 (12.2 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0`

[img]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/15/41c56f9890f4435eabbad4774c987e31.png
[img 1]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/15/8e90c4d9aa464e308daf9e15ec11520c.png
[img 2]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/15/cb7a57b27a7b408a8cf7527c1bb196bb.png
[img 3]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/15/b6bc4303048d4d0390e9222a58a7423a.png
[img 4]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/15/128ab2c1e25048e391bbcb829c306067.png
[img 5]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/15/5d3e586428814ff0a9a5825aec7e08bd.png
[img 6]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/15/2c423792ce3d4d169fa0292619fca772.png
[img 7]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/15/c8c9a2627cd84b499ca9ea04a310c8a3.png