interface ethernet eth0 address 2001:100::254/64
interface ethernet eth1 address 2001:200::254/64
interface ethernet eth1 address 172.16.23.1/24
system flow-accounting interface eth0
system flow-accounting interface eth1
system flow-accounting netflow server 172.16.23.254 port 2055
system flow-accounting version 9
system flow-accounting syslog-facility daemon
sudo tcpdump -i eth0 --> can see heavy ipv6 traffic, but show flow-accounting can’t see any ipv6 flow show flow accounting --> just only ipv4 flow, not any ipv6 flow