在CentOS 7配置IPv6 DNS Server

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　　以本人的机器为例，网卡为eth3，IPv6地址就选2000::ffff
　　[root@lenovo-m8400-01 ~]# uname -r
2.6.32-431.el6.x86_64
　　[root@lenovo-m8400-01 ~]# ifconfig eth3
eth3      Link encap:Ethernet  HWaddr 00:1B:21:21:CF:DD  
              inet6 addr: 2000::ffff/64 Scope:Global
              inet6 addr: 2000::21b:21ff:fe21:cfdd/64 Scope:Global
              inet6 addr: fe80::21b:21ff:fe21:cfdd/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:100318 errors:0 dropped:0 overruns:0 frame:0
              TX packets:150174 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000
              RX bytes:19520814 (18.6 MiB)  TX bytes:101293129 (96.6 MiB)
              Interrupt:19 Memory:f7da0000-f7dc0000

• 修改ifcfg-eth3
  

　　# vim /etc/sysconfig/network-scripts/ifcfg-eth3
　　添加 DNS1=2000::ffff

• 修改/etc/hosts
  

　　# vim /etc/hosts
　　添加 2000::ffff    lenovo-m8400-01.example.com    lenovo-m8400-01

• 修改/etc/sysconfig/network
  

　　修改 HOSTNAME=lenovo-m8400-01.example.com

• 修改/etc/resolv.conf
  

　　search example.com
    nameserver 2000::ffff

• 重启网路服务
  

　　# service network restart

• 安装bind相关包
  

　　# yum install bind*

• 修改/etc/named.conf
  

　　options {
　　listen-on port 53 { 127.0.0.1; };           ---> //listen-on port 53 { 127.0.0.1; };
　　listen-on-v6 port 53 { ::1; };                  ---> listen-on-v6 port 53 { 2000::ffff; };
　　allow-query     { localhost; };                ---> allow-query     { any; };
　　...
　　};

• 修改/etc/named.rfc1912.zones
  

　　1）更改
　　zone "localhost.localdomain" IN {
        type master;
        file "named.localhost";
        allow-update { none; };
    };
　　为
　　zone "example.com" IN {
         type master;
         file "forward.zone";
         allow-update { none; };
   };
　　2）更改
　　zone "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
         type master;
         file "named.loopback";
         allow-update { none; };
    };
    为
    zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.ip6.arpa" IN {
         type master;
         file "reverse.zone";
         allow-update { none; };
   };

• 编辑forward.zone和reverse.zone
  

　　# cd /var/named
　　# cp named.localhost forward.zone
　　# cp named.loopback reverse.zone
　　forward.zone
　　$TTL 1D
        @ IN SOA example.com. root.example.com. (
                                        0       ; serial
                                        1D      ; refresh
                                        1H      ; retry
                                        1W      ; expire
                                        3H )    ; minimum
          IN NS   lenovo-m8400-01.example.com.
          lenovo-m8400-01 IN AAAA 2000::ffff
　　reverse.zone
　　$TTL 1D
    @ IN SOA example.com. root.example.com. (
                                        0       ; serial
                                        1D      ; refresh
                                        1H      ; retry
                                        1W      ; expire
                                        3H )    ; minimum
             IN NS   lenovo-m8400-01.example.com.
     f.f.f.f    IN PTR  lenovo-m8400-01.example.com.
　　# chgrp named forward.zone
　　# chgrp named reverse.zone
　　# service named start

• 验证配置
  

　　[root@lenovo-m8400-01 named]# dig lenovo-m8400-01.example.com AAAA
　　;  DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.6  lenovo-m8400-01.example.com AAAA
    ;; global options: +cmd
    ;; Got answer:
    ;; ->>HEADERHEADER