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centos 7 中检测不到以太网线

tag-icon • tag-icon centos7 ethernet gigabit-ethernet
centos 7 中检测不到以太网线

请帮帮我，以太网模块都已加载，但我找不到剩下的两个以太网......

[root@vpn ~]# lspci | grep -i ethernet
01:01.0 Ethernet controller: VIA Technologies, Inc. VT6105/VT6106S [Rhine-III] (rev 8b)
01:02.0 Ethernet controller: VIA Technologies, Inc. VT6105/VT6106S [Rhine-III] (rev 8b)
01:05.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller (rev 10)
[root@vpn ~]# ifconfig -a
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
    inet 192.168.1.129  netmask 255.255.255.0  broadcast 192.168.1.255
    inet6 fe80::216:e6ff:fe91:7ece  prefixlen 64  scopeid 0x20<link>
    ether 00:16:e6:91:7e:ce  txqueuelen 1000  (Ethernet)
    RX packets 2650  bytes 284282 (277.6 KiB)
    RX errors 0  dropped 0  overruns 0  frame 0
    TX packets 908  bytes 108957 (106.4 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 0  (Local Loopback)
    RX packets 1072  bytes 108637 (106.0 KiB)
    RX errors 0  dropped 0  overruns 0  frame 0
    TX packets 1072  bytes 108637 (106.0 KiB)
    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

virbr0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
    inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
    ether 52:54:00:69:d1:c1  txqueuelen 0  (Ethernet)
    RX packets 0  bytes 0 (0.0 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

virbr0-nic: flags=4098<BROADCAST,MULTICAST>  mtu 1500
    ether 52:54:00:69:d1:c1  txqueuelen 500  (Ethernet)
    RX packets 0  bytes 0 (0.0 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

[root@vpn ~]#
[root@vpn ~]# dmesg | grep -i ethernet
[    1.837665] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
[  686.702609] Bluetooth: BNEP (Ethernet Emulation) ver 1.3

[root@vpn ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
   valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
   valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 00:16:e6:91:7e:ce brd ff:ff:ff:ff:ff:ff
inet 192.168.1.129/24 brd 192.168.1.255 scope global dynamic eth0
   valid_lft 685979sec preferred_lft 685979sec
inet6 fe80::216:e6ff:fe91:7ece/64 scope link
   valid_lft forever preferred_lft forever
5: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN
link/ether 52:54:00:69:d1:c1 brd ff:ff:ff:ff:ff:ff
inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
   valid_lft forever preferred_lft forever
6: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN qlen 500
link/ether 52:54:00:69:d1:c1 brd ff:ff:ff:ff:ff:ff
[root@vpn ~]#

答案1

你的电脑有两个很古老通过莱茵快速以太网网卡。

这些非常旧的 NIC 的驱动程序已从 RHEL/CentOS 7 中删除。

该驱动程序仍存在于 RHEL/CentOS 6 中，并将在未来几年内继续受支持。因此，如果您确实需要这些 NIC，则可以使用该操作系统。

不过，最好的办法可能是扔掉古老的计算机。

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