routing/bgp/connection/print
1 name="bgp2"
[ .... ]
input.filter=bgp2-in
routing/filter/rule/print
add chain=bgp2-in rule="reject;"
[admin@R2] > ip firewall connection tracking print
max-entries: 86824
13:51:39 dhcp,info dhcp1 assigned 192.168.2.10 to 00:22:FB:5D:21:8E