Centos7网卡只有lo、vir

经排查，驱动不兼容，需重新安装驱动

  1. 系统信息

    CentOS 7 内核：3.10.0-1160.el7.x86_64

    CentOS Linux release 7.9.2009 (Core)

    Ethernet controller: Intel Corporation Ethernet Connection (17) I219-V (rev 11)

    Ethernet controller: Intel Corporation Device 125c (rev 04)

  2. 环境准备 [kernel-headers、kernel-devel同kernel的版本一致]

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    # rpm -qa |grep kernel
    	kernel-tools-3.10.0-1160.66.1.el7.x86_64
    	kernel-3.10.0-1160.66.1.el7.x86_64
    	kernel-headers-3.10.0-1160.66.1.el7.x86_64
    	kernel-devel-3.10.0-1160.66.1.el7.x86_64
    	kernel-tools-libs-3.10.0-1160.66.1.el7.x86_64
    	abrt-addon-kerneloops-2.1.11-60.el7.centos.x86_64
    	
    # rpm -qa |grep gcc
    	gcc-4.8.5-44.el7.x86_64
    	libgcc-4.8.5-44.el7.x86_64
    	gcc-c++-4.8.5-44.el7.x86_64

如缺少相关依赖，可去镜像网站下载：

https://mirrors.aliyun.com/centos/7.9.2009/updates/x86_64/Packages/

网卡驱动下载：

https://github.com/jerryhopes/resources/blob/main/pkg/e1000e-3.8.4.tar

  1. 安装驱动
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tar xvf e100e-3.8.4.tar.gz
cd e1000e-3.8.4/src
make
make install
cd /lib/modules/3.10.0-1160.66.1.el7.x86_64/updates/drivers/net/ethernet/intel/e1000e/
cp e1000e.ko  /lib/modules/3.10.0-1160.66.1.el7.x86_64/updates/drivers/net/
depmod -a
modprobe e1000e
systemctl restart network

img

参考博客：

https://blog.csdn.net/ayychiguoguo/article/details/125297426