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registering with dns

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Last Modified: 2012-05-07
when a client connects via vpn with their laptop from home, they get a 10.10.50.x address from the cisco asa dhcp server.  everything works fine.  ok.  they come into the office and plug into the network, and get a new address - 10.10.10.x or 10.10.20.x..

ok, the problem is that the dns server still has the 10.10.50.x address.  i have set the scavenging/aging down to 12 hours for the refresh interval, and 12 days for the non-refresh... the defaul is 7 days for each.

in order to resolve this, i have to delete the A record and do an ipconfig /registerdns in order for the dns server to update the database with the new ip address.

any idea how i can fix this problem?
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ok, i have turned off dynamic updating on the dhcp server, so that the client can handle updating dns.  i change the refresh interval to 24 hours, and the non-refresh to 3 days.  the lease period is 6 days.  we'll see how this works.  thanks for the feedback.... will report back shortly...
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