Ping: sendto: No buffer space available

[Nick]

I finally got a OpenVPN TAP bridge established between 2 locations back to the main office and got it all automated and all that nice stuff but now I'm running into this problem.  After the WRAP has been up for a while and I try to ping the TAP ip at the office, I get this error:

ping 192.168.75.5

PING 192.168.75.5 (192.168.75.5): 56 data bytes
ping: sendto: No buffer space available
ping: sendto: No buffer space available

I can reset the box and it'll work.  I'm only concerned because I've had to reload this compactflash 2 times now because weird stuff like this starts happening.  The next thing will probably be Operation not permitted when trying the mount the CF card on boot  :-\

UPDATE I restarted the box waited for it to happen again.  Box has only been up for 37 minutes and I'm getting No buffer space available again.

w

3:45AM  up 37 mins, 1 user, load averages: 0.08, 0.05, 0.06
USER            TTY      FROM              LOGIN@  IDLE WHAT
root            console  -                3:09AM    - -

[Justinw]

under status > system how many of your firewall states are full?  You may also check under states to see what they are being used on, let me know what you see there.