The set firewall filter sequence then forwarding-class command sets forwarding class of ACL rule.
set firewall filter <filter-name> sequence <number> then forwarding-class <forwarding-class-name>
Specifies filter name, the value is a string type, spaces are not allowed.
Specifies filter sequence number. The value is an integer that ranges from 0 to 9999.
forwarding-class <forwarding-class-name >
Specifies forwarding class name, the value is a string type, spaces are not allowed.
After configuring a forwarding class, user could use the set class-of-service forwarding-class local-priority command to set mapping between forwarding class and local priority.
Set sequence number 51 to forwarding class class7.