[OLSR-users] Fwd:Secure Plugin problem (0.4.10)

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Hi guys, i have a problem with the Secure plugin.  
I'm running olsr on wrt54g with Freifunk firmware.    
My problem is: the Timestamp database never delete entry.    

If the A node restart the olsr daemon, node B drop the challenge because the previous entry in the database will never deleted.  At this point node consider node B a not validated Host.    

If i have a complete node A restart node B detect a Timestamp scew, drop the challenge and reject the olsr packet.    

I'm try to wait 4 hours, but the Secure plugin never delete the previous entry.    

Can someone help me???    

Thank you in advance.    
Giovanni    

P.S. sorry for my bad english