Sunday, 15 July 2012

DNS Server - what have I done?


short version:

i'm setting mini lion server in house. having trouble connection (very long story, perhaps unrelated current problem), , ended talking apple enterprise person on phone. 1 of things had me open network setting on client laptop computer and, under network connection -> advanced -> dns, enter intranet ip address home server in left-hand column labeled "dns servers:". there numbers there, disappeared when entered new number. magically, connection home server worked. however, when took laptop work, no longer connect wireless network until manually entered numbers dns server found on different machine connected network.

clearly, i'm noob , don't understand i've done here, or why it's causing problem. appreciate answer or explanation of following:
1) did when manually entered ip address dns server?
2) previously, computer must have retrieved appropriate numbers when joined new network. why didn't home server , why isn't doing more other networks?
3) importantly, how can computer join other wireless networks again, while still knowing correct dns server use home server?

"setup" wife's computer same way, , i'm in lot of trouble because computer doesn't connect work network either. please me out of doghouse!

 

you specified mini server dns server client machine. meaning, dns lookups go through mini server on machine.

by manually specifying server, have disabled retrieval of dns servers via dhcp.

didn't automatically populate dns server mini server, aren't specifying via dhcp on network.

you need to.

1. go device serving ip addresses, presumably router, , configure give out mini server ip address dns.

or

2. use mini server dhcp (not recommended given experience).

or

3. utilize locations in network preferences. more of work around , not real solution.

or

4. don't use mini dns , communicate via ip address or bonjour. not recommended if plan use open directory.

if want mini doing dns, need number 1 here, other options included completeness. sure have forward addresses configured in dns, assume since aren't complaining internet name resolutions.

it connecting network, unless there happens dns server on work networks same ip address mini server, problem can resolve hosts.
 


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