cracking WEP key for Cisco Aironet 350

I'd like anyone who has succussfully cracked 128-bit
WEP key enabled on a Cisco Aironet 350 AP using
dweputils to drop me a line and let me know
approximately how many packets you collected before
dwepcrack it.  

I tried to crack it but has not been successful so
far.  Below is what I did:
After using dwepdump w/ a d-link650 to collect about
3,700,000 packets from a Cisco Aironet wireless test
network (1 Aironet 350 card to 1 350 AP, with 128-bit
WEP enabled, no MIC, TKIP or any other additional
security features),  I have the following traffic
loads in the air throughout the testing:
- continuous Internet downloads of software packages
- continuous file transfer between the wireless and
the wired LAN
- 20+ ping programs with -t flag, pinging nodes on
wired side of the test LAN
I collected 3.7 mil packets (appro. 2.3 gig) within
around 6-8 hours. 

I run:
dwepcrack -w [filename] 
unsuccessful

dwepcrack -b [filename]
unsuccessful

dwepcrack -b -e [filename]
still running after 14 hours

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