Leon Nichols
asked on
DNS Server
Hello,
I am not a DNS expert by any means. I have a client who has a DNS server at their main office which serves all their remote locations via VPN Site to Site. DHCP is handled by the on site router but DNS is pointed back to the main server.
The issue is the DNS server does not update any of the remote sites devices. I have records from 1-3 years ago in DNS and several entries for the same IP's but for different devices. So if i try to ping a remote device it may come back with a IP and response but if I add -a to verify the device name it's not correct.
I know I can setup DNS Scavenging but I am afraid to do so because of how old the records are that once it scavenges DNS would be blank. I need to make sure the clients are updating DNS properly before I scavenge.
Thanks
I am not a DNS expert by any means. I have a client who has a DNS server at their main office which serves all their remote locations via VPN Site to Site. DHCP is handled by the on site router but DNS is pointed back to the main server.
The issue is the DNS server does not update any of the remote sites devices. I have records from 1-3 years ago in DNS and several entries for the same IP's but for different devices. So if i try to ping a remote device it may come back with a IP and response but if I add -a to verify the device name it's not correct.
I know I can setup DNS Scavenging but I am afraid to do so because of how old the records are that once it scavenges DNS would be blank. I need to make sure the clients are updating DNS properly before I scavenge.
Thanks
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Any IP address that is not dynamically assigned will not be affected by the scavenging cycle.
ASKER
Remote sites get their DHCP address from their local sonicwall routers. The main site get's their DHCP addresses from the server.
Yes there are some entries in DNS that are years old (2015) that are not static.
I will try your recommendation and pick a remote device, remove all DNS entries for it and reboot to see if it updates properly.
Yes there are some entries in DNS that are years old (2015) that are not static.
I will try your recommendation and pick a remote device, remove all DNS entries for it and reboot to see if it updates properly.
Go ahead and scavenge the old data, nothing will happen
ASKER
Thank you for your help I guess I was just over thinking DNS. Once I cleared the old stale records and flush dns on the server and clients everything updated to proper information. I will setup scavenging on the server next week.
Leon
Leon