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Configure as a Slave DNS
2015/01/13 |
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Configure BIND as a Slave DNS Server.
Following example shows an environment that master DNS is "dlp.srv.world", Slave DNS is "ns.example.host".
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| [1] | Set config in a zone file on Master DNS server. |
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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
2007041503 ;Serial
3600 ;Refresh
1800 ;Retry
604800 ;Expire
86400 ;Minimum TTL
)
IN NS dlp.srv.world.
# add slave DNS 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 server. |
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[root@ns ~]#
vi /etc/named.conf # add lines like follows
zone "srv.world" IN {
type slave;
masters { 172.16.0.82; };
file "slaves/srv.world.wan";
notify no;
};
rndc reload server reload successful [root@ns ~]# ls /var/named/slaves srv.world.wan # zone files just transfered |