neighbour table overflow-sysctl.conf tunning(太多arp请求导致arp表溢出而不响应)
Ifyouhaveabignetworkwithhundredsofhosts,youcanexpect"Neighbourtableoverflow"errorwhichoccursinlargenetworkswhentherearetoomanyARPrequestswhichtheserverisnotabletoreply.Forexampleyou’reusingserverasaDH