Hi friend.
The configuration example is as follows:
1. Create a link-layer rule to match user packets.
MA5680T (config)#acl 4000
MA5680T(config-acl-link-4000)#rule 5 permit source
{ mac_addr<P><XXXX-XXXX-XXXX> }:1234-1234-1234
{ mac_addr<P><XXXX-XXXX-XXXX> }:0000-0000-0000
{ <cr>|type<K>|cos<K>|source<K>|time-range<K> }:
MA5680T(config-acl-link-4000)#rule 10 permit destination
{ mac_addr<P><XXXX-XXXX-XXXX> }:1234-1234-1234
{ mac_addr<P><XXXX-XXXX-XXXX> }:0000-0000-0000
{ <cr>|type<K>|cos<K>|source<K>|time-range<K> }:
2. Mirror the packets that go out of upstream port 0/19/0.
MA5680T(config-acl-link-4000)#quit
MA5680T(config)#traffic-mirror
{ inbound<K>|outbound<K> }:outbound
{ user-group<K>|ip-group<K>|link-group<K> }:link-group
{ integer<U><4000,4999> }:4000
{ ip-group<K>|port<K>|rule<K> }:rule 5
{ ip-group<K>|port<K> }:port 0/19/0
{ <cr>|to<K> }:to
{ port<K> }:port 0/20/0
3. Mirror the packets that enter upstream port 0/19/0.
MA5680T(config)#traffic-mirror inbound link-group 4000 rule 10 port 0/19/0 to port 0/20/0
I hope I can help you.