# # Config template for: system conntrack table-size # # Sets the size of the TCP connection tracking table in the netfilter # nf_conntrack module, which is used by firewall and NAT. The size of # this table determines how many TCP connections can be simultaneously # tracked. If new connections arrive and the table is full, older # connections will be dropped out of the table. System administrators # must set the connection tracking table size based on the number of # connections they expect their system to track. The connection # tracking table consumes kernel memory, so the size selected should # be no larger than necessary. # # default value: 16384 # type: u32 help: Size of connection tracking table default: 16384 val_help: u32:1-50000000; Number of entries allowed in connection tracking table syntax:expression: ($VAR(@) >= 1 && $VAR(@) <= 50000000) ; "Value must be between 1 and 50000000" update: sudo sysctl -q -w net/nf_conntrack_max=$VAR(@) # need to restart conntrackd with updated conntrack table size if cli-shell-api existsActive service conntrack-sync; then sudo /opt/vyatta/sbin/vyatta-conntrack-sync.pl --action=enable fi