环境:虚拟机VMware17.5
操作系统:Oracle Linux 7.9
机器1: rac1
机器2:rac2
在添加网卡的时候,先后出现如下问题:
①识别不到网卡:
[root@rac1 ~]# ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 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: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:0c:29:81:8c:26 brd ff:ff:ff:ff:ff:ff inet 192.168.133.179/24 brd 192.168.133.255 scope global noprefixroute ens33 valid_lft forever preferred_lft forever inet6 fe80::e98f:f54:b898:f9d0/64 scope link noprefixroute valid_lft forever preferred_lft forever 3: ens36: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:0c:29:81:8c:30 brd ff:ff:ff:ff:ff:ff [root@rac1 ~]# nmcli connection modify ens36 ipv4.addresses 192.168.1.1/24 ipv4.method manual autoconnect yes Error: unknown connection 'ens36'.
解决方法:
[root@rac1 ~]# nmtui
需要手动添加新的网卡上去: 确认并退出后,手动加载网卡:
nmcli connection reload ens36 nmcli connection up ens36
新网卡添加成功! ②注意在添加新网卡时不要添加gateway和DNS,否则会导致无法远程连接的问题: 然后CRT就断开了连接··· 需要进入虚拟机中再次手动删除gateway和DNS才能重新连接。
查看本机网卡: # nmcli d
|