{"id":2338,"date":"2020-12-09T09:49:35","date_gmt":"2020-12-09T01:49:35","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=2338"},"modified":"2020-12-09T09:49:36","modified_gmt":"2020-12-09T01:49:36","slug":"redhat-7-centos-7-%e9%85%8d%e7%bd%ae%e5%a4%9a%e4%b8%aaip%e5%9c%b0%e5%9d%80%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/2338","title":{"rendered":"redhat 7 \/ Centos 7 \u914d\u7f6e\u591a\u4e2aIP\u5730\u5740\u7684\u65b9\u6cd5"},"content":{"rendered":"<p>redhat 7\/Centos 7 \u914d\u7f6e\u591a\u4e2aIP\u5730\u5740\uff0c\u76ee\u524d\u5df2\u77e5\u67092\u79cd\u65b9\u6cd5\u3002\u4e00\u79cd\u662f\u865a\u62df\u4e00\u4e2a\u7f51\u5361\u51fa\u6765\uff0c\u7b2c\u4e8c\u79cd\u662f\u76f4\u63a5\u589e\u52a0IP\u5730\u5740\u3002\u540e\u9762\u9a8c\u8bc1\u4e86\u901a\u8fc7\u56fe\u5f62\u5ba2\u6237\u7aef\u4fee\u6539\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2ab64ceb867\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2ab64ceb867\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E6%96%B9%E6%B3%951%E3%80%81%E5%A2%9E%E5%8A%A0%E8%99%9A%E6%8B%9F%E7%BD%91%E5%8D%A1\" >\u65b9\u6cd51\u3001\u589e\u52a0\u865a\u62df\u7f51\u5361<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E6%9F%A5%E7%9C%8B%E5%BD%93%E5%89%8D\" >\u67e5\u770b\u5f53\u524d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E5%A4%8D%E5%88%B6%E4%B8%80%E4%B8%AA%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6\" >\u590d\u5236\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E9%87%8D%E5%90%AF%E7%BD%91%E5%8D%A1\" >\u91cd\u542f\u7f51\u5361<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E7%A1%AE%E8%AE%A4IP%E5%8F%AF%E7%94%A8\" >\u786e\u8ba4IP\u53ef\u7528<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E6%96%B9%E6%B3%952%E3%80%81%E7%9B%B4%E6%8E%A5%E5%9C%A8%E5%8E%9F%E6%9C%89%E9%85%8D%E7%BD%AE%E9%87%8C%E5%A2%9E%E5%8A%A0IP%E5%9C%B0%E5%9D%80\" >\u65b9\u6cd52\u3001\u76f4\u63a5\u5728\u539f\u6709\u914d\u7f6e\u91cc\u589e\u52a0IP\u5730\u5740<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E7%BC%96%E8%BE%91%E5%8E%9F%E6%9C%89%E7%9A%84%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6\" >\u7f16\u8f91\u539f\u6709\u7684\u914d\u7f6e\u6587\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E9%87%8D%E5%90%AF%E6%9C%8D%E5%8A%A1%E6%9F%A5%E7%9C%8B\" >\u91cd\u542f\u670d\u52a1\u67e5\u770b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E7%A1%AE%E8%AE%A4IP%E5%8F%AF%E7%94%A8-2\" >\u786e\u8ba4IP\u53ef\u7528<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E9%80%9A%E8%BF%87linux%E5%9B%BE%E5%BD%A2%E9%85%8D%E7%BD%AE%E7%95%8C%E9%9D%A2\" >\u901a\u8fc7linux\u56fe\u5f62\u914d\u7f6e\u754c\u9762<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.gbase8.cn\/en\/2338\/#%E6%80%BB%E7%BB%93\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%96%B9%E6%B3%951%E3%80%81%E5%A2%9E%E5%8A%A0%E8%99%9A%E6%8B%9F%E7%BD%91%E5%8D%A1\"><\/span>\u65b9\u6cd51\u3001\u589e\u52a0\u865a\u62df\u7f51\u5361<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8be5\u65b9\u6cd5\u5728redhat6\u7cfb\u5217\u4e00\u6837\u6709\u6548\uff0c\u800c\u4e14\u914d\u7f6e\u51fa\u6765\u7684IP\u53ef\u4ee5\u901a\u8fc7ifconfig\u770b\u5230\u3002\u5f53\u7136ip addr\u66f4\u80fd\u770b\u5230\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9F%A5%E7%9C%8B%E5%BD%93%E5%89%8D\"><\/span>\u67e5\u770b\u5f53\u524d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5f53\u524d\u53ea\u80fd\u770b\u5230\u4e00\u4e2aIP\u5730\u5740\u3002\u65e0\u5173\u7684\u8f93\u51fa\u6211\u53bb\u6389\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@gbase_rh7_003 network-scripts]# ifconfig\nenp0s3: flags=4163&lt;UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\n        inet 10.0.2.103  netmask 255.255.255.0  broadcast 10.0.2.255\n        inet6 fe80::ab19:72ea:2472:cc28  prefixlen 64  scopeid 0x20&lt;link>\n        ether 08:00:27:8e:d9:28  txqueuelen 1000  (Ethernet)\n        RX packets 105915  bytes 154096500 (146.9 MiB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 9594  bytes 779720 (761.4 KiB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\n&#91;root@gbase_rh7_003 ~]# cd \/etc\/sysconfig\/network-scripts\/\n&#91;root@gbase_rh7_003 network-scripts]# cat ifcfg-enp0s3\nTYPE=Ethernet\nBOOTPROTO=none\nDEFROUTE=yes\nIPV4_FAILURE_FATAL=no\nIPV6INIT=yes\nIPV6_AUTOCONF=yes\nIPV6_DEFROUTE=yes\nIPV6_FAILURE_FATAL=no\nIPV6_ADDR_GEN_MODE=stable-privacy\nNAME=enp0s3\nUUID=054d2f84-2976-45a6-baa2-1420019b55f5\nDEVICE=enp0s3\nONBOOT=yes\nDNS1=114.114.114.114\nIPADDR=10.0.2.103\nPREFIX=24\nGATEWAY=10.0.2.2\nIPV6_PEERDNS=yes\nIPV6_PEERROUTES=yes\n&#91;root@gbase_rh7_003 network-scripts]#\n\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%A4%8D%E5%88%B6%E4%B8%80%E4%B8%AA%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6\"><\/span>\u590d\u5236\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u590d\u5236\u4e00\u4efd\u539f\u59cb\u914d\u7f6e\u6587\u4ef6\uff0c\u540e\u7f00\u4e3a:0<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@gbase_rh7_003 network-scripts]# mv ifcfg-enp0s3_0 ifcfg-enp0s3:0\n&#91;root@gbase_rh7_003 network-scripts]# vi ifcfg-enp0s3:0\n&#91;root@gbase_rh7_003 network-scripts]# cat ifcfg-enp0s3:0\nDEVICE=\"enp0s3:0\"\nIPADDR=\"10.0.2.104\"\nNETMASK=\"255.255.255.0\"\nONBOOT=\"yes\"\n&#91;root@gbase_rh7_003 network-scripts]#\n\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%87%8D%E5%90%AF%E7%BD%91%E5%8D%A1\"><\/span>\u91cd\u542f\u7f51\u5361<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u91cd\u542f\u7f51\u5361\uff0c\u7136\u540e\u901a\u8fc7ifconfig \u53ef\u4ee5\u770b\u5230\u65b0\u589e\u52a0\u7684\u865a\u62df\u7f51\u5361\uff0c\u4ee5\u53ca\u914d\u7f6e\u7684IP.<\/p>\n\n\n\n<p>\u5728ip addr\u91cc\u663e\u793a\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>inet 10.0.2.104\/24 brd 10.0.2.255 scope global secondary enp0s3:0\n   valid_lft forever preferred_lft forever<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@gbase_rh7_003 network-scripts]# service network restart\nShutting down interface enp0s3:  Device 'enp0s3' successfully disconnected.\n                                                           &#91;  OK  ]\nShutting down loopback interface:                          &#91;  OK  ]\nBringing up loopback interface:                            &#91;  OK  ]\nBringing up interface enp0s3:  Connection successfully activated (D-Bus active path: \/org\/freedesktop\/NetworkManager\/ActiveConnection\/3)\n                                                           &#91;  OK  ]\n&#91;root@gbase_rh7_003 network-scripts]#\n&#91;root@gbase_rh7_003 network-scripts]#\n&#91;root@gbase_rh7_003 network-scripts]# ifconfig\nenp0s3: flags=4163&lt;UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\n        inet 10.0.2.103  netmask 255.255.255.0  broadcast 10.0.2.255\n        inet6 fe80::ab19:72ea:2472:cc28  prefixlen 64  scopeid 0x20&lt;link>\n        ether 08:00:27:8e:d9:28  txqueuelen 1000  (Ethernet)\n        RX packets 106499  bytes 154142898 (147.0 MiB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 9993  bytes 818761 (799.5 KiB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\nenp0s3:0: flags=4163&lt;UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\n        inet 10.0.2.104  netmask 255.255.255.0  broadcast 10.0.2.255\n        ether 08:00:27:8e:d9:28  txqueuelen 1000  (Ethernet)\n\nlo: flags=73&lt;UP,LOOPBACK,RUNNING>  mtu 65536\n        inet 127.0.0.1  netmask 255.0.0.0\n        inet6 ::1  prefixlen 128  scopeid 0x10&lt;host>\n        loop  txqueuelen 1  (Local Loopback)\n        RX packets 84  bytes 6748 (6.5 KiB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 84  bytes 6748 (6.5 KiB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\nvirbr0: flags=4099&lt;UP,BROADCAST,MULTICAST>  mtu 1500\n        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255\n        ether 52:54:00:4a:d6:8a  txqueuelen 1000  (Ethernet)\n        RX packets 0  bytes 0 (0.0 B)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 0  bytes 0 (0.0 B)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\n\n&#91;root@gbase_rh7_003 network-scripts]# ip addr\n1: lo: &lt;LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1\n    link\/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n    inet 127.0.0.1\/8 scope host lo\n       valid_lft forever preferred_lft forever\n    inet6 ::1\/128 scope host\n       valid_lft forever preferred_lft forever\n2: enp0s3: &lt;BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\n    link\/ether 08:00:27:8e:d9:28 brd ff:ff:ff:ff:ff:ff\n    inet 10.0.2.103\/24 brd 10.0.2.255 scope global enp0s3\n       valid_lft forever preferred_lft forever\n    inet 10.0.2.104\/24 brd 10.0.2.255 scope global secondary enp0s3:0\n       valid_lft forever preferred_lft forever\n    inet6 fe80::ab19:72ea:2472:cc28\/64 scope link\n       valid_lft forever preferred_lft forever\n3: virbr0: &lt;NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN qlen 1000\n    link\/ether 52:54:00:4a:d6:8a brd ff:ff:ff:ff:ff:ff\n    inet 192.168.122.1\/24 brd 192.168.122.255 scope global virbr0\n       valid_lft forever preferred_lft forever\n4: virbr0-nic: &lt;BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN qlen 1000\n    link\/ether 52:54:00:4a:d6:8a brd ff:ff:ff:ff:ff:ff\n&#91;root@gbase_rh7_003 network-scripts]#\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A1%AE%E8%AE%A4IP%E5%8F%AF%E7%94%A8\"><\/span>\u786e\u8ba4IP\u53ef\u7528<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u901a\u8fc7ping \u53ef\u4ee5\u8fde\u901a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@gbase_rh7_003 network-scripts]# ping 10.0.2.104\nPING 10.0.2.104 (10.0.2.104) 56(84) bytes of data.\n64 bytes from 10.0.2.104: icmp_seq=1 ttl=64 time=0.075 ms\n64 bytes from 10.0.2.104: icmp_seq=2 ttl=64 time=0.077 ms\n^C\n--- 10.0.2.104 ping statistics ---\n2 packets transmitted, 2 received, 0% packet loss, time 1000ms\nrtt min\/avg\/max\/mdev = 0.075\/0.076\/0.077\/0.001 ms<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%96%B9%E6%B3%952%E3%80%81%E7%9B%B4%E6%8E%A5%E5%9C%A8%E5%8E%9F%E6%9C%89%E9%85%8D%E7%BD%AE%E9%87%8C%E5%A2%9E%E5%8A%A0IP%E5%9C%B0%E5%9D%80\"><\/span>\u65b9\u6cd52\u3001\u76f4\u63a5\u5728\u539f\u6709\u914d\u7f6e\u91cc\u589e\u52a0IP\u5730\u5740<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%BC%96%E8%BE%91%E5%8E%9F%E6%9C%89%E7%9A%84%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6\"><\/span>\u7f16\u8f91\u539f\u6709\u7684\u914d\u7f6e\u6587\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6211\u4eec\u518d\u589e\u52a0\u4e2aIP,IPADDR1=10.0.2.105<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@gbase_rh7_003 network-scripts]# cat ifcfg-enp0s3\nTYPE=Ethernet\nBOOTPROTO=none\nDEFROUTE=yes\nIPV4_FAILURE_FATAL=no\nIPV6INIT=yes\nIPV6_AUTOCONF=yes\nIPV6_DEFROUTE=yes\nIPV6_FAILURE_FATAL=no\nIPV6_ADDR_GEN_MODE=stable-privacy\nNAME=enp0s3\nUUID=054d2f84-2976-45a6-baa2-1420019b55f5\nDEVICE=enp0s3\nONBOOT=yes\nDNS1=114.114.114.114\nIPADDR1=10.0.2.105\nIPADDR=10.0.2.103\nPREFIX=24\nPREFIX1=24\nGATEWAY=10.0.2.2\nIPV6_PEERDNS=yes\nIPV6_PEERROUTES=yes\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%87%8D%E5%90%AF%E6%9C%8D%E5%8A%A1%E6%9F%A5%E7%9C%8B\"><\/span>\u91cd\u542f\u670d\u52a1\u67e5\u770b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6ce8\u610f\uff0c\u5728ifconfig\u91cc\u662f\u770b\u4e0d\u5230\u6211\u4eec\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u914d\u7f6e\u7684IP\u7684\u3002\u800cip addr\u80fd\u770b\u5230\u3002\u663e\u793a\u533a\u522b\u5982\u4e0b\uff1a\u5c31\u662f\u540d\u5b57\u4e0d\u540c\uff0c\u7b2c\u4e00\u79cd\u662f\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u540d\u5b57\uff0c\u7b2c\u4e8c\u79cd\u6ca1\u6709\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>inet 10.0.2.105\/24 brd 10.0.2.255 scope global secondary enp0s3\n   valid_lft forever preferred_lft forever\ninet 10.0.2.104\/24 brd 10.0.2.255 scope global secondary enp0s3:0\n   valid_lft forever preferred_lft forever<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@gbase_rh7_003 network-scripts]# ifconfig\nenp0s3: flags=4163&lt;UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\n        inet 10.0.2.103  netmask 255.255.255.0  broadcast 10.0.2.255\n        inet6 fe80::ab19:72ea:2472:cc28  prefixlen 64  scopeid 0x20&lt;link>\n        ether 08:00:27:8e:d9:28  txqueuelen 1000  (Ethernet)\n        RX packets 107040  bytes 154185736 (147.0 MiB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 10389  bytes 856901 (836.8 KiB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\nenp0s3:0: flags=4163&lt;UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\n        inet 10.0.2.104  netmask 255.255.255.0  broadcast 10.0.2.255\n        ether 08:00:27:8e:d9:28  txqueuelen 1000  (Ethernet)\n\nlo: flags=73&lt;UP,LOOPBACK,RUNNING>  mtu 65536\n        inet 127.0.0.1  netmask 255.0.0.0\n        inet6 ::1  prefixlen 128  scopeid 0x10&lt;host>\n        loop  txqueuelen 1  (Local Loopback)\n        RX packets 96  bytes 7764 (7.5 KiB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 96  bytes 7764 (7.5 KiB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\nvirbr0: flags=4099&lt;UP,BROADCAST,MULTICAST>  mtu 1500\n        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255\n        ether 52:54:00:4a:d6:8a  txqueuelen 1000  (Ethernet)\n        RX packets 0  bytes 0 (0.0 B)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 0  bytes 0 (0.0 B)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\n&#91;root@gbase_rh7_003 network-scripts]# ip addr\n1: lo: &lt;LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1\n    link\/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n    inet 127.0.0.1\/8 scope host lo\n       valid_lft forever preferred_lft forever\n    inet6 ::1\/128 scope host\n       valid_lft forever preferred_lft forever\n2: enp0s3: &lt;BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\n    link\/ether 08:00:27:8e:d9:28 brd ff:ff:ff:ff:ff:ff\n    inet 10.0.2.103\/24 brd 10.0.2.255 scope global enp0s3\n       valid_lft forever preferred_lft forever\n    inet 10.0.2.105\/24 brd 10.0.2.255 scope global secondary enp0s3\n       valid_lft forever preferred_lft forever\n    inet 10.0.2.104\/24 brd 10.0.2.255 scope global secondary enp0s3:0\n       valid_lft forever preferred_lft forever\n    inet6 fe80::ab19:72ea:2472:cc28\/64 scope link\n       valid_lft forever preferred_lft forever\n3: virbr0: &lt;NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN qlen 1000\n    link\/ether 52:54:00:4a:d6:8a brd ff:ff:ff:ff:ff:ff\n    inet 192.168.122.1\/24 brd 192.168.122.255 scope global virbr0\n       valid_lft forever preferred_lft forever\n4: virbr0-nic: &lt;BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN qlen 1000\n    link\/ether 52:54:00:4a:d6:8a brd ff:ff:ff:ff:ff:ff\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A1%AE%E8%AE%A4IP%E5%8F%AF%E7%94%A8-2\"><\/span>\u786e\u8ba4IP\u53ef\u7528<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>IP\u53ef\u4ee5\u6b63\u5e38ping\u901a\uff0c\u4e14\u53ef\u4ee5\u6267\u884cssh\u8fdc\u7a0b\u547d\u4ee4\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@gbase_rh7_003 network-scripts]# ping 10.0.2.105\nPING 10.0.2.105 (10.0.2.105) 56(84) bytes of data.\n64 bytes from 10.0.2.105: icmp_seq=1 ttl=64 time=0.086 ms\n64 bytes from 10.0.2.105: icmp_seq=2 ttl=64 time=0.069 ms\n^C\n--- 10.0.2.105 ping statistics ---\n2 packets transmitted, 2 received, 0% packet loss, time 999ms\nrtt min\/avg\/max\/mdev = 0.069\/0.077\/0.086\/0.012 ms\n&#91;root@gbase_rh7_003 network-scripts]# ssh 10.0.2.105 \"date\"\nThe authenticity of host '10.0.2.105 (10.0.2.105)' can't be established.\nECDSA key fingerprint is 18:cd:92:ce:4c:19:2c:55:7b:35:aa:e8:60:4a:f3:84.\nAre you sure you want to continue connecting (yes\/no)? yes\nWarning: Permanently added '10.0.2.105' (ECDSA) to the list of known hosts.\nWed Dec  9 09:35:00 CST 2020\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%80%9A%E8%BF%87linux%E5%9B%BE%E5%BD%A2%E9%85%8D%E7%BD%AE%E7%95%8C%E9%9D%A2\"><\/span>\u901a\u8fc7linux\u56fe\u5f62\u914d\u7f6e\u754c\u9762<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u5982\u4e0a\u624b\u5de5\u914d\u7f6e\u76842\u4e2aIP. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"558\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2020\/12\/image-5.png\" alt=\"\" class=\"wp-image-2343\"\/><\/figure>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u70b9\u51fb\u4e86apply\u4fdd\u5b58\uff0c\u4f1a\u81ea\u52a8\u7edf\u4e00\u5230\u7b2c\u4e8c\u79cd\u7684\u65b9\u5f0f\uff0c\u865a\u62df\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u5c06\u6d88\u5931\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@gbase_rh7_003 ~]# cd \/etc\/sysconfig\/network-scripts\/\n&#91;root@gbase_rh7_003 network-scripts]# ll ifcfg-enp0s3*\n-rw-r--r-- 1 root root 411 Dec  9 09:38 ifcfg-enp0s3\n&#91;root@gbase_rh7_003 network-scripts]# cat ifcfg-enp0s3\nTYPE=Ethernet\nBOOTPROTO=none\nDEFROUTE=yes\nIPV4_FAILURE_FATAL=no\nIPV6INIT=yes\nIPV6_AUTOCONF=yes\nIPV6_DEFROUTE=yes\nIPV6_FAILURE_FATAL=no\nIPV6_ADDR_GEN_MODE=stable-privacy\nNAME=enp0s3\nUUID=054d2f84-2976-45a6-baa2-1420019b55f5\nDEVICE=enp0s3\nONBOOT=yes\nDNS1=114.114.114.114\nIPADDR1=10.0.2.105\nPREFIX1=24\nIPADDR=10.0.2.103\nPREFIX=24\nIPADDR2=10.0.2.104\nPREFIX2=24\nGATEWAY=10.0.2.2\nIPV6_PEERDNS=yes\nIPV6_PEERROUTES=yes\n&#91;root@gbase_rh7_003 network-scripts]#\n<\/code><\/pre>\n\n\n\n<p>\u5982\u4e0a\u8f93\u51fa\u53ef\u4ee5\u770b\u5230\uff0c\u539f\u59cb\u914d\u7f6e\u6587\u4ef6\u91cc\u589e\u52a0\u4e86IPADDR2\u914d\u7f6e\uff0c\u800cifcfg_enp0s3:0\u914d\u7f6e\u6587\u4ef6\u6d88\u5931\u4e86\u3002\u540c\u65f6\u53ef\u4ee5\u770b\u5230PREFIX \u662f\u53ef\u4ee5\u72ec\u7acb\u914d\u7f6e\u7684\u3002<\/p>\n\n\n\n<p>\u5982\u4e0b\u91cd\u542f\u540e\uff0c\u53ef\u4ee5\u770b\u5230ifconfig\u770b\u4e0d\u5230\u65b0\u589e\u7684IP,\u800cip addr\u53ef\u4ee5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@gbase_rh7_003 network-scripts]# service network restart\nShutting down interface enp0s3:  Device 'enp0s3' successfully disconnected.\n                                                           &#91;  OK  ]\nShutting down loopback interface:                          &#91;  OK  ]\nBringing up loopback interface:                            &#91;  OK  ]\nBringing up interface enp0s3:  Connection successfully activated (D-Bus active path: \/org\/freedesktop\/NetworkManager\/ActiveConnection\/5)\n                                                           &#91;  OK  ]\n&#91;root@gbase_rh7_003 network-scripts]# ifconfig\nenp0s3: flags=4163&lt;UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\n        inet 10.0.2.103  netmask 255.255.255.0  broadcast 10.0.2.255\n        inet6 fe80::ab19:72ea:2472:cc28  prefixlen 64  scopeid 0x20&lt;link>\n        ether 08:00:27:8e:d9:28  txqueuelen 1000  (Ethernet)\n        RX packets 107456  bytes 154223018 (147.0 MiB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 10707  bytes 900781 (879.6 KiB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\nlo: flags=73&lt;UP,LOOPBACK,RUNNING>  mtu 65536\n        inet 127.0.0.1  netmask 255.0.0.0\n        inet6 ::1  prefixlen 128  scopeid 0x10&lt;host>\n        loop  txqueuelen 1  (Local Loopback)\n        RX packets 147  bytes 17166 (16.7 KiB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 147  bytes 17166 (16.7 KiB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\nvirbr0: flags=4099&lt;UP,BROADCAST,MULTICAST>  mtu 1500\n        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255\n        ether 52:54:00:4a:d6:8a  txqueuelen 1000  (Ethernet)\n        RX packets 0  bytes 0 (0.0 B)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 0  bytes 0 (0.0 B)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\n&#91;root@gbase_rh7_003 network-scripts]# ip addr\n1: lo: &lt;LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1\n    link\/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n    inet 127.0.0.1\/8 scope host lo\n       valid_lft forever preferred_lft forever\n    inet6 ::1\/128 scope host\n       valid_lft forever preferred_lft forever\n2: enp0s3: &lt;BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\n    link\/ether 08:00:27:8e:d9:28 brd ff:ff:ff:ff:ff:ff\n    inet 10.0.2.103\/24 brd 10.0.2.255 scope global enp0s3\n       valid_lft forever preferred_lft forever\n    inet 10.0.2.104\/24 brd 10.0.2.255 scope global secondary enp0s3\n       valid_lft forever preferred_lft forever\n    inet 10.0.2.105\/24 brd 10.0.2.255 scope global secondary enp0s3\n       valid_lft forever preferred_lft forever\n    inet6 fe80::ab19:72ea:2472:cc28\/64 scope link\n       valid_lft forever preferred_lft forever\n3: virbr0: &lt;NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN qlen 1000\n    link\/ether 52:54:00:4a:d6:8a brd ff:ff:ff:ff:ff:ff\n    inet 192.168.122.1\/24 brd 192.168.122.255 scope global virbr0\n       valid_lft forever preferred_lft forever\n4: virbr0-nic: &lt;BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN qlen 1000\n    link\/ether 52:54:00:4a:d6:8a brd ff:ff:ff:ff:ff:ff\n&#91;root@gbase_rh7_003 network-scripts]#\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%80%BB%E7%BB%93\"><\/span>Summary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728redhat 6\u91cc\uff0c\u53ef\u4ee5\u901a\u8fc7\u65b9\u6cd51\u589e\u52a0IP, \u800c\u5728redhat 7\u4e4b\u540e\uff0c\u90fd\u7edf\u4e00\u5230\u4e86\u65b9\u6cd52. \u540c\u65f6\u4e5f\u6697\u793a\u7740ifconfig \u529f\u80fd\u843d\u4f0d\u4e86\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>redhat 7\/Centos 7 \u914d\u7f6e\u591a\u4e2aIP\u5730\u5740\uff0c\u76ee\u524d\u5df2\u77e5\u67092\u79cd\u65b9\u6cd5\u3002\u4e00\u79cd\u662f\u865a\u62df\u4e00\u4e2a\u7f51\u5361\u51fa\u6765\uff0c\u7b2c\u4e8c\u79cd\u662f\u76f4\u63a5\u589e\u52a0IP\u5730\u5740\u3002\u540e\u9762\u9a8c\u8bc1\u4e86\u901a\u8fc7\u56fe\u5f62\u5ba2\u6237\u7aef\u4fee\u6539\u7684\u7ed3\u679c\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2338","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/2338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=2338"}],"version-history":[{"count":7,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/2338\/revisions"}],"predecessor-version":[{"id":2346,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/2338\/revisions\/2346"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=2338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=2338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=2338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}