RHEL 5.0 DNS服务器配置(二)
实现负载均衡功能.
现在的网络发展规模越来越大了,用户访问量急剧增多,网络服务器的工作负担也越来越重,因此, 它在DNS服务器中为同一个域名配置多个IP地址,从而实现负载均衡.
[[email protected] named]# vim chen.com.zone
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
chen.com. IN A 10.88.221.11
$GENERATE 1-200 host$ IN A 10.88.221.$
//实现连续解析域名, $GENERATE,在1-200范围,host$主机名为变量,解析的IP也是一个变量.
[[email protected] named]# service named restart
//配置好后,重新启动服务.
停止 named: [确定]
启动 named: [确定]
[[email protected] named]# host chen.com
//添加直接解析域名后,析出chen.com域的IP及邮件交换器主机名.
chen.com has address 10.88.221.11
chen.com mail is handled by 5 mail.chen.com.
[[email protected] named]# host 10.88.221.1
//测试连续析出域,是成功的.
1.221.88.10.in-addr.arpa domain name pointer host1.chen.com.
[[email protected] named]# host 10.88.221.2
2.221.88.10.in-addr.arpa domain name pointer host2.chen.com.
[[email protected] named]# host 10.88.221.3
3.221.88.10.in-addr.arpa domain name pointer host3.chen.com.
* IN A 10.88.221.11
测试泛域名是成功的
子域的配置和辅助域等有时间在写了.今天先写到这里.
转载于:https://blog.51cto.com/19880208/292964