[Winpcap-users] why pcap_findalldevs run about 30 seconds

[工商银行]

Hi,all
I have developped a radius client application .
and use libnet and winpcap API.
The purpose is that deny the unauthoried user.
The procedure is
1 the windows xp started.
2.my application started to authorized with the radius server.
I trace my application that found pcap_findalldevs consume about 30 seconds.
pcap_findalldevs run so slowly?
Can anyone help me?
My environment:Windows xp,winpcap 3.0

                      michael
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