How does multi-master configuration work? The scenario I have is three ISC
DHCP
servers configured for dynamic DNS, which also act as primary for the dynamic
zone (dyn.mydomain.com):
zone "dyn.mydomain.com" {
type master;
file "ddb.dyn.mydomain.com";
allow-update { key DHCP_UPDATER; };
};
These three dhcp/dns servers do not respond to DNS queries. My infrastructure
DNS consists of a DNS master (192.168.25.1) that is a slave for
dyn.mydomain.com:
zone "dyn.mydomain.com" {
type slave;
file "ddb.dyn.mydomain.com";
masters { 172.30.8.0; };
};
Obviously, I only have a single master listed above. I know I'll have to list
the other two, and set "multi-master yes".
The secondary servers that actually handle user dns requests slave to the
master
(192.168.25.1):
zone "dyn.mydomain.com" {
type slave;
file "ddb.dyn.mydomain.com";
masters { 192.168.25.1; };
};
So, to clarify my question. When I add the other two dhcp servers to the
masters{} list and set "multi-master yes" will this allow all three dhcp
servers
to update the dyn.mydomain.com zone? If so, do the three dhcp servers also
update each other?
Thanks for any insight.
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