實驗環(huán)境:
物理機(jī) Windows 10 x64
物理網(wǎng)卡信息
IPv4地址:192.168.123.205
子網(wǎng)掩碼:255.255.255.0
默認(rèn)網(wǎng)關(guān):192.168.123.1
虛擬機(jī)VMware Workstation14 Cent OS 6.7 x64
VMnet8信息:
IPv4地址:192.168.21.0
子網(wǎng)掩碼:255.255.255.0
默認(rèn)網(wǎng)關(guān):192.168.21.2
一、修改VMware的網(wǎng)絡(luò)設(shè)置
位置:工具欄->編輯->虛擬網(wǎng)絡(luò)編輯器[管理員]

NAT設(shè)置->修改網(wǎng)關(guān)IP(G):將192.168.21.2
修改為192.168.123.2
子網(wǎng)IP(I):將192.168.21.0
修改為192.168.123.0
子網(wǎng)掩碼(M):默認(rèn)255.255.255.0
二、進(jìn)入Linux修改網(wǎng)絡(luò)配置
輸入ip addr查看網(wǎng)卡信息
[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(wǎng)卡編號eth0即為之前設(shè)置的NAT網(wǎng)卡
調(diào)整網(wǎng)卡腳本,輸入指令vi /etc/sysconfig/network-scripts/ifcfg-對應(yīng)網(wǎng)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:
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(tài)IP模式:BOOTPROTO="static"
自啟動:ONBOOT="yes"
靜態(tài)IP信息:IPADDR=192.168.123.123 //選一個物理網(wǎng)卡的網(wǎng)段192.168.123.x中不沖突的IP
子網(wǎng)掩碼:NETMASK=255.255.255.0
子網(wǎng)網(wǎng)關(guān) GATEWAY=192.168.163.2
修改后如下后保存
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(wǎng)卡,檢查Window網(wǎng)絡(luò)適配器中NAT網(wǎng)卡的狀態(tài)
重啟指令:service network restart
VMnet8的屬性之前自動獲取方式的設(shè)置已經(jīng)(自動)變成如下狀態(tài)

注意:IP地址確認(rèn)是否和物理網(wǎng)卡在同一網(wǎng)段內(nèi),且這個IP不要和之前的192.168.123.123搞混了,默認(rèn)x.x.x.1就行了
子網(wǎng)掩碼默認(rèn)255.255.255.0,默認(rèn)網(wǎng)關(guān)沒有可以手動加上:192.168.123.2
四、進(jìn)行SSH連接,附修復(fù)無法訪問外部網(wǎng)絡(luò)的方法
本地執(zhí)行:ssh root@192.168.123.123
提示輸入密碼后成功進(jìn)入系統(tǒng)
測試修改靜態(tài)IP后外部網(wǎng)絡(luò)是否可用
[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(wǎng)卡網(wǎng)關(guān)地址:
search localdomain
nameserver 192.168.123.2
保存后稍等會片刻再次ping
[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(wǎng)卡或者系統(tǒng)會讓DHCP自動獲取dns導(dǎo)致之前修改的dns配置失效,所以需要在網(wǎng)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(shè)置為no]重啟網(wǎng)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(wǎng)卡service network restart
,此時dns配置依然有效
參考資料:
*詳解CentOS重啟后resolv.conf被重置的解決方案
*用xshell連接VMware中的Linux
Xshell 5連接本地虛擬機(jī)中的 Linux系統(tǒng)
Vmware虛擬機(jī)修改靜態(tài)IP無法ping外網(wǎng),以及eth0不見問題解決*
*CentOS7設(shè)置靜態(tài)IP以及windows下ping不通虛擬機(jī)、虛擬機(jī)ping不通外網(wǎng)解決方案
注:設(shè)置成功后物理機(jī)更換IP后NAT網(wǎng)卡網(wǎng)段和物理網(wǎng)卡網(wǎng)段不一致了也不影響使用
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