I looked in the logs of my cisco switch today, (we havea stack of 3750 switches)
and saw a TON of the following error, the log is full of just these
643534: Nov 4 13:38:32: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643535: Nov 4 13:38:40: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643536: Nov 4 13:38:48: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643537: Nov 4 13:38:56: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643538: Nov 4 13:39:04: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643539: Nov 4 13:39:12: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643540: Nov 4 13:39:20: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643541: Nov 4 13:39:28: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643542: Nov 4 13:39:36: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643543: Nov 4 13:39:44: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643544: Nov 4 13:39:52: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643545: Nov 4 13:40:00: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643546: Nov 4 13:40:08: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643547: Nov 4 13:40:16: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643548: Nov 4 13:40:24: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643549: Nov 4 13:40:32: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643550: Nov 4 13:40:40: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643551: Nov 4 13:40:48: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643552: Nov 4 13:40:56: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
643553: Nov 4 13:41:04: %CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 122, maximum number of neighbors allowed in neighbor update is 108
I tried to google, but couldnt find anything related to it.