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RHEL8网络配置

RHEL8

在RHEL8中继续支持service，网络相关服务管理已经转移到NetworkManager不再是network了，本文档详细介绍RHEL8网络配置 。
环境
Red Hat Enterprise linux release 8.0VMware Workstation Pro 14
在RHEL8中继续支持service

RHEL8网络配置

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网络相关服务管理已经转移到NetworkManager不再是network了
RHEL8网络配置

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修改网卡配置文件，重启NetwrokManager服务新IP不生效！
【RHEL8网络配置】[root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens33TYPE=EthernetPROXY_METHOD=noneBROWSER_ONLY=noBOOTPROTO=staticDEFROUTE=yesIPV4_FAILURE_FATAL=noIPV6INIT=yesIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_FAILURE_FATAL=noIPV6_ADDR_GEN_MODE=stable-privacyNAME=ens33UUID=eb51f723-244d-4a71-bf8d-c18593c64859DEVICE=ens33ONBOOT=yesIPADDR=192.168.10.8PREFIX=24GATEWAY=192.168.10.2DNS1=192.168.10.2重启网卡要用nmcli connection down/up ens33
[root@localhost ~]# nmcli connection down ens33Connection 'ens33' successfully deactivated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/1)[root@localhost ~]# nmcli connection up ens33Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/4)[root@localhost ~]# ifconfigens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500inet 192.168.10.8 netmask 255.255.255.0 broadcast 192.168.10.255inet6 fe80::27d9:87a2:dc6c:7296 prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet)RX packets 56 bytes 10885 (10.6 KiB)RX errors 0 dropped 0 overruns 0 frame 0TX packets 142 bytes 16312 (15.9 KiB)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536inet 127.0.0.1 netmask 255.0.0.0inet6 ::1 prefixlen 128 scopeid 0x10loop txqueuelen 1000 (Local Loopback)RX packets 4 bytes 340 (340.0 B)RX errors 0 dropped 0 overruns 0 frame 0TX packets 4 bytes 340 (340.0 B)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet)RX packets 0 bytes 0 (0.0 B)RX errors 0 dropped 0 overruns 0 frame 0TX packets 0 bytes 0 (0.0 B)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0另一种重启网卡的方式
ifdown ens33 ifup ens33[root@localhost ~]# ifdown ens33Connection 'ens33' successfully deactivated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/6)[root@localhost ~]# ifconfigens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500inet6 fe80::20c:29ff:fea4:94b4 prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet)RX packets 2968 bytes 3062890 (2.9 MiB)RX errors 0 dropped 0 overruns 0 frame 0TX packets 1444 bytes 156626 (152.9 KiB)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536inet 127.0.0.1 netmask 255.0.0.0inet6 ::1 prefixlen 128 scopeid 0x10loop txqueuelen 1000 (Local Loopback)RX packets 168 bytes 14024 (13.6 KiB)RX errors 0 dropped 0 overruns 0 frame 0TX packets 168 bytes 14024 (13.6 KiB)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet)RX packets 0 bytes 0 (0.0 B)RX errors 0 dropped 0 overruns 0 frame 0TX packets 0 bytes 0 (0.0 B)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0virbr0-nic: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet)RX packets 0 bytes 0 (0.0 B)RX errors 0 dropped 0 overruns 0 frame 0TX packets 0 bytes 0 (0.0 B)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0[root@localhost ~]# ifup ens33Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/8)[root@localhost ~]# ifconfigens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500inet 192.168.10.8 netmask 255.255.255.0 broadcast 192.168.10.255inet6 fe80::aa34:3de3:b4d9:d26b prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet)RX packets 2978 bytes 3065421 (2.9 MiB)RX errors 0 dropped 0 overruns 0 frame 0TX packets 1476 bytes 161083 (157.3 KiB)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536inet 127.0.0.1 netmask 255.0.0.0inet6 ::1 prefixlen 128 scopeid 0x10loop txqueuelen 1000 (Local Loopback)RX packets 172 bytes 14364 (14.0 KiB)RX errors 0 dropped 0 overruns 0 frame 0TX packets 172 bytes 14364 (14.0 KiB)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet)RX packets 0 bytes 0 (0.0 B)RX errors 0 dropped 0 overruns 0 frame 0TX packets 0 bytes 0 (0.0 B)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0virbr0-nic: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet)RX packets 0 bytes 0 (0.0 B)RX errors 0 dropped 0 overruns 0 frame 0TX packets 0 bytes 0 (0.0 B)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


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