實驗環境:
物理機 Windows 10 x64
物理網卡信息
IPv4地址:192.168.123.205
子網掩碼:255.255.255.0
默認網關:192.168.123.1
虛擬機VMware Workstation14 Cent OS 6.7 x64
VMnet8信息:
IPv4地址:192.168.21.0
子網掩碼:255.255.255.0
默認網關:192.168.21.2
一、修改VMware的網絡設置
位置:工具欄->編輯->虛擬網絡編輯器[管理員]
NAT設置->修改網關IP(G):將192.168.21.2
修改為192.168.123.2
子網IP(I):將192.168.21.0
修改為192.168.123.0
子網掩碼(M):默認255.255.255.0
二、進入Linux修改網絡配置
輸入ip addr查看網卡信息
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[root@localhost Desktop] # ip addr 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 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 00:0c:29:3b:64:33 brd ff:ff:ff:ff:ff:ff inet 192.168.31.31 /24 brd 192.168.31.255 scope global eth0 inet6 fe80::20c:29ff:fe3b:6433 /64 scope link valid_lft forever preferred_lft forever 3: pan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link /ether 1a:76:3b:91:89:e6 brd ff:ff:ff:ff:ff:ff |
<BROADCAST,MULTICAST,UP,LOWER_UP> mtu所在段落前的網卡編號eth0即為之前設置的NAT網卡
調整網卡腳本,輸入指令vi /etc/sysconfig/network-scripts/ifcfg-對應網卡編號
這里以eth0為例,輸入vi /etc/sysconfig/network-scripts/ifcfg-eth0
,輸出vi編輯模式:
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DEVICE="eth0" BOOTPROTO="dhcp" HWADDR="00:0C:29:3B:64:33" IPV6INIT="yes" NM_CONTROLLED="yes" ONBOOT="no" TYPE="Ethernet" UUID="d2818ab1-7ee1-44bf-b8b9-5bbecc6880f0" |
靜態IP模式:BOOTPROTO="static"
自啟動:ONBOOT="yes"
靜態IP信息:IPADDR=192.168.123.123 //選一個物理網卡的網段192.168.123.x中不沖突的IP
子網掩碼:NETMASK=255.255.255.0
子網網關 GATEWAY=192.168.163.2
修改后如下后保存
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DEVICE="eth0" BOOTPROTO="static" HWADDR="00:0C:29:3B:64:33" IPV6INIT="yes" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" UUID="d2818ab1-7ee1-44bf-b8b9-5bbecc6880f0" IPADDR=192.168.123.123 NETMASK=255.255.255.0 GATEWAY=192.168.123.2 |
三、重啟網卡,檢查Window網絡適配器中NAT網卡的狀態
重啟指令:service network restart
VMnet8的屬性之前自動獲取方式的設置已經(自動)變成如下狀態
注意:IP地址確認是否和物理網卡在同一網段內,且這個IP不要和之前的192.168.123.123搞混了,默認x.x.x.1就行了
子網掩碼默認255.255.255.0,默認網關沒有可以手動加上:192.168.123.2
本地執行:ssh [email protected]
提示輸入密碼后成功進入系統
測試修改靜態IP后外部網絡是否可用
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[root@localhost ~] # ping baidu.com ping : unknown host baidu.com |
修改dns配置信息sudo vim /etc/resolv.conf
,在dns配置末尾追加虛擬網卡網關地址:
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search localdomain nameserver 192.168.123.2 |
保存后稍等會片刻再次ping
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[root@localhost ~] # ping baidu.com PING baidu.com.localdomain (220.181.38.148) 56(84) bytes of data. 64 bytes from 220.181.38.148: icmp_seq=1 ttl=128 time =45.5 ms 64 bytes from 220.181.38.148: icmp_seq=2 ttl=128 time =44.9 ms 64 bytes from 220.181.38.148: icmp_seq=3 ttl=128 time =45.4 ms 64 bytes from 220.181.38.148: icmp_seq=4 ttl=128 time =45.1 ms 64 bytes from 220.181.38.148: icmp_seq=5 ttl=128 time =45.2 ms 64 bytes from 220.181.38.148: icmp_seq=6 ttl=128 time =45.0 ms |
如果重啟網卡或者系統會讓DHCP自動獲取dns導致之前修改的dns配置失效,所以需要在網卡配置中vi /etc/sysconfig/network-scripts/ifcfg-eth0
追加NM_CONTROLLED="no"
[即是否允許Network Manager管理,設置為no]重啟網卡,再次配置修改dns配置sudo vim /etc/resolv.conf
追加nameserver 192.168.123.2
修改完畢之后重啟網卡service network restart
,此時dns配置依然有效
注:設置成功后物理機更換IP后NAT網卡網段和物理網卡網段不一致了也不影響使用
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原文鏈接:https://blog.csdn.net/Robin_hc/article/details/94417056