It's not as bad as it sounds.  You just have to make sure that the DHCP
server modifies DNS records (forward and reverse) for each client as it
hands out DHCP leases.

You should have your servers acquire static leases (where the given MAC
always gets the same IP addr) so they are always in the same place.  But
the clients can move around as long as the DNS server gets updated so
you can do forward AND reverse lookups.

-----Original Message-----
From: veritas-bu-bounces at mailman.eng.auburn.edu
[mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Ed Wilts
Sent: Monday, June 12, 2006 3:05 PM
To: Carl Mathews
Cc: veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Can Netbackup work on a DHCP network

On Mon, Jun 12, 2006 at 02:54:46PM -0500, Carl Mathews wrote:
>  Our networks are changing from static IP to DHCP. DHCP
> prevents netbackup from using reverse lookup. 

It also prevents you from doing a forward lookup!

>Will Netbackup work on a DHCP network?

If you can't find the server, how can you possibly back it up?  The
*master* server initiates the backup, and if the target server is not
static, there's not a thing you can do for it.

What you can you do is to have your DHCP server always return the same
IP address for the given MAC address.  Then put that entry in your DNS.
That defeats the purpose of DHCP but then DHCP for servers doesn't make
much sense anyway.

        .../Ed

-- 
Ed Wilts, Mounds View, MN, USA
mailto:ewilts at ewilts.org
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