dhcp error i event log

Hej Eksperter,
Når jeg gennemser min eventlog, kommer der jævnligt nogle fejl med eventid=1001, source dhcp:
You computer was not assigned an address from the network (by the DHCP Server) for the Network Card with network address <MAC address>. The following error occured: <error description>. Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.
Der er vel formentlig  et eller andet galt med netværksopsætningen, men hvad?
Jeg sidder bag en cybercity cisco router som er sat standard op.