centos7 cannot recognize new network card after adding it

王林
Release: 2020-03-31 14:48:07
Original
3892 people have browsed it

centos7 cannot recognize new network card after adding it

Problem:

centos7 adds a new network card, but the system does not recognize it.

Solution:

1. Get the real mac

#ip addr
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of the new network card (recommended tutorial: centos tutorial)

2. Copy eth0 to eth1 and modify the configuration file

#cd /etc/sysconfig/network-scripts
#cp ifcfg-eth0 ifcfg-eth1
#vim ifcfg-eth1
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The contents to be modified are:

HWADD Obtain

UUID through ip addr If the UUID is not found, You can comment out

NAME and change it to the current network card name eth1

DEVICE Change it to the current network card name eth1

IPADDR,GATEWAY, etc.

Save and exit.

3. Restart the network card.

#systemctl restart network
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Related video tutorial recommendations: linux video tutorial

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