Network Router User Manual
Rx Invalid Crypt value represents the number of transmitted and received packets which were 
  encrypted with the wrong encryption key and failed the decryption routines. It can be used to 
  detect invalid wireless security settings and encryption break attempts. 
Rx Invalid Frag value represents the number of packets missed during transmission and reception. 
  These packets were dropped due to re-assembling failure as some link layer fragments of the 
  packet were lost. 
Tx Excessive Retries value represents the number of packets which failed to be delivered to the 
  destination. Undelivered packet are retransmitted a number of times before an error occurs. 
Missed beacons value represents the number beacons (management packets sent at regular 
  intervals by the Access Point) which were missed by the client. This can indicate that the 
  wireless client is out of range. 
Other errors value represents the total number of transmitted and received packets that were lost 
  or discarded for other reasons. 










