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Configure as a Slave Server
2011/03/14 |
| Configure DNS as as Slave Server. It's easy to set up it. Following example shows an environment that master DNS is "dlp.srv.world", Slave DNS is "ns.example.host". |
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| [1] | Write config in Zone file on Master DNS. |
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[root@dlp ~]# vi /etc/named.conf # add secondary DNS server in the section below allow-transfer { localhost; 172.16.0.85; };[root@dlp ~]# vi /var/named/srv.world.wan $TTL 86400 @ IN SOA dlp.srv.world. root.srv.world. ( # update serial 2011031403 ;Serial 3600 ;Refresh 1800 ;Retry 604800 ;Expire 86400 ;Minimum TTL ) IN NS dlp.srv.world. # add slave name server IN NS ns.example.host. IN A 172.16.0.82 IN MX 10 dlp.srv.world. dlp IN A 172.16.0.82 [root@dlp ~]# rndc reload server reload successful |
| [2] | Configuration on Slave DNS. |
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[root@ns ~]# vi /etc/named.conf # add lines like below zone "srv.world" { type slave; masters { 172.16.0.82; }; file "slaves/srv.world.wan"; notify no; };
[root@ns ~]# rndc reload server reload successful [root@ns ~]# ls /var/named/slaves srv.world.wan # zone file in master DNS has been just transfered |