**Configuration of the Priority Mark in ZTE ZXA10 C220 OLT-GPON**
♦Please make sure that the network device works normally.
♦Please log in to the ZXA10 C220 through HyperTerminal or Telnet.
Task-1: Follow the configure terminal command to enter global configuration mode.
Task-2: Follow the acl command to configure ACL.
Task-3: Follow the rule command to configure ACL rule.
Task-4: Follow the priority-mark in command to configure priority mark.
Task-5: Follow the interface command to enter interface configuration mode.
Task-6: Follow the ip access-group command to apply ACL to port.
♦Modify CoS queue and 802.1p value.
♦Modify CoS queue but not 802.1p value.
♦Modify DSCP value.
♦Modify drop precedence.