linux配置子接口ipv6地址,CentOS7 设置静态IPv6/IPv4地址

柔光的暖阳◎ 2022-10-20 12:14 626阅读 0赞

1 环境准备

实验均在Vmware Workstation虚拟机上完成，上网方式选择桥接模式，保证网络支持IPv6,为了操作方便，我们使用root用户登录系统

1.1 Linux系统版本

CentOS Linux release 7.2.1511 (Core)

\[root@localhost ~\]\# cat /etc/redhat-release

CentOS Linux release 7.2.1511 (Core)

1.2 系统支持IPv6

\[root@localhost ~\]\# ifconfig

eno16777736: flags=4163mtu 1500

inet 49.123.105.124 netmask 255.255.192.0 broadcast 49.123.127.255

inet6 fe80::20c:29ff:fe25:c621 prefixlen 64 scopeid 0x20

inet6 2001:250:4402:2001:20c:29ff:fe25:c621 prefixlen 64 scopeid 0x0

ether 00:0c:29:25:c6:21 txqueuelen 1000 (Ethernet)

RX packets 19255 bytes 2006024 (1.9 MiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 2151 bytes 210339 (205.4 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

如图所示，可以看到系统默认的IPv6地址为2001:250:4402:2001:20c:29ff:fe25:c621

2 修改网络配置文件

根据1.2，我们得知网卡为eno16777736，切换到目录/etc/sysconfig/network-scripts下

\[root@localhost ~\]\# cd /etc/sysconfig/network-scripts

编辑文件 ifcfg-eno16777736

\[root@localhost ~\]\# vim ifcfg-eno16777736

TYPE=Ethernet

BOOTPROTO=none

DEFROUTE=yes

IPV4\_FAILURE\_FATAL=no

IPV6INIT=yes

IPV6\_AUTOCONF=no

IPV6\_DEFROUTE=yes

IPV6\_FAILURE\_FATAL=no

NAME=eno16777736

UUID=13faf306-5205-4d3a-ac23-4699236dee95

DEVICE=eno16777736

ONBOOT=yes

DNS1=202.197.96.1

IPV6ADDR=2001:250:4402:2001:20c:29ff:fe25:8888/64

IPADDR=49.123.105.124

PREFIX=8

GATEWAY=49.123.64.1

3 重启网络

\[root@localhost network-scripts\]\# systemctl restart network

4 测试是否配置成功

4.1 通过ifconfig命令查看设置的IPv6/IPv4地址

\[root@localhost ~\]\# ifconfig eno16777736

eno16777736: flags=4163mtu 1500

inet 49.123.105.124 netmask 255.0.0.0 broadcast 49.255.255.255

inet6 2001:250:4402:2001:20c:29ff:fe25:8888 prefixlen 64 scopeid 0x0

inet6 fe80::20c:29ff:fe25:c621 prefixlen 64 scopeid 0x20

inet6 2001:250:4402:2001:20c:29ff:fe25:c621 prefixlen 64 scopeid 0x0

ether 00:0c:29:25:c6:21 txqueuelen 1000 (Ethernet)

RX packets 33732 bytes 8234767 (7.8 MiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 6229 bytes 623829 (609.2 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

4.2 使用另外一台机器进行ping连接测试(两台机器均在同一局域网内)

IPv4测试

\[root@localhost ~\]\# ping 49.123.105.124

PING 49.123.105.124 (49.123.105.124) 56(84) bytes of data.

64 bytes from 49.123.105.124: icmp\_seq=1 ttl=64 time=0.075 ms

64 bytes from 49.123.105.124: icmp\_seq=2 ttl=64 time=0.074 ms

64 bytes from 49.123.105.124: icmp\_seq=3 ttl=64 time=0.092 ms

64 bytes from 49.123.105.124: icmp\_seq=4 ttl=64 time=0.066 ms

64 bytes from 49.123.105.124: icmp\_seq=5 ttl=64 time=0.067 ms

\--- 49.123.105.124 ping statistics ---

5 packets transmitted, 5 received, 0% packet loss, time 4004ms

rtt min/avg/max/mdev = 0.066/0.074/0.092/0.014 ms

IPv6测试

\[root@localhost ~\]\# ping6 2001:250:4402:2001:20c:29ff:fe25:8888

PING 2001:250:4402:2001:20c:29ff:fe25:8888(2001:250:4402:2001:20c:29ff:fe25:8888) 56 data bytes

64 bytes from 2001:250:4402:2001:20c:29ff:fe25:8888: icmp\_seq=1 ttl=64 time=0.099 ms

64 bytes from 2001:250:4402:2001:20c:29ff:fe25:8888: icmp\_seq=2 ttl=64 time=0.110 ms

64 bytes from 2001:250:4402:2001:20c:29ff:fe25:8888: icmp\_seq=3 ttl=64 time=0.126 ms

64 bytes from 2001:250:4402:2001:20c:29ff:fe25:8888: icmp\_seq=4 ttl=64 time=0.110 ms

64 bytes from 2001:250:4402:2001:20c:29ff:fe25:8888: icmp\_seq=5 ttl=64 time=0.113 ms

\--- 2001:250:4402:2001:20c:29ff:fe25:8888 ping statistics ---

5 packets transmitted, 5 received, 0% packet loss, time 4003ms

恭喜你，到此已经完成了CentOS 7的静态IPv6/IPV4配置

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本文作者： lemon

本文链接： https://lemon2013.github.io/2016/11/06/Static-IPv6/

linux配置子接口ipv6地址,CentOS7 设置静态IPv6/IPv4地址

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