Configuring ACL Overview
User Guide     667
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Overview
ACL (Access Control List) filters traffic as it passes through a switch, and permits or denies 
packets crossing specified interfaces or VLANs. It accurately identifies and processes 
the packets based on the ACL rules. In this way, ACL helps to limit network traffic, manage 
network access behaviors, forward packets to specified ports and more. 
To configure ACL, follow these steps:
1)  Configure a time range during which the ACL is in effect.
2)  Create an ACL and configure the rules to filter different packets.
3)  Bind the ACL to a port or VLAN to make it effective.
Configuration Guidelines
 ■ A packet “matches” an ACL rule when it meets the rule’s matching criteria. The resulting 
action will be either to “permit” or “deny” the packet that matches the rule.
 ■ If no ACL rule is configured, the packets will be forwarded without being processed by 
the ACL. If there is configured ACL rules and no matching rule is found, the packets will 
be dropped.