DNS lookup in Splunk

Hi
We are currently testing out Splunk to monitor our Cisco ASA 5510 firewall, but running into a problem. Because we are using a DHCP server on all client PCs,  just having IP address in the event data is no good. I need the source IP address in the event data for each entry to be converted to the clients name and sorted with the database.
Is this possible and how?
COMPSUPPAsked:
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eggm4nConnect With a Mentor Commented:
Have you looked into Splunk Reverse DNS for fields?  It replaces IP addresses in specified fields with the results of a DNS lookup.  It should work with DHCP

http://splunkbase.splunk.com/apps/All/app:Splunk%20reverse%20DNS%20lookup%20for%20fields
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