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and permit means forwarding packets. By default, the option is permit. 
source-ip  ——  The source IP address contained in the rule. 
source-ip-mask  —— The source IP address mask. It is required if you typed 
the source IP address. 
destination-ip  ——  The destination IP address contained in the rule. 
destination-ip-mask  ——  The destination IP address mask. It is required if you 
typed the destination IP address. 
time-segment  —— The time-range for the rule to take effect. By default, it is 
not limited. 
Command Mode 
Global Configuration Mode 
Example 
Create a Standard-IP ACL whose ID is 120, and add Rule 10 for it. In the rule, 
the source IP address is 192.168.0.100, the source IP address mask is 
255.255.255.0, the time-range for the rule to take effect is tSeg1, and the 
packets match this rule will be forwarded by the switch: 
TP-LINK(config)# acl create 120 
TP-LINK(config)# acl rule std-acl 120 10 op permit dip 192.168.0.100 dmask 
255.255.255.0 tseg tSeg1 
acl edit rule std-acl 
Description 
The acl edit rule std-acl command is used to edit Standard-IP ACL rule. 
Syntax 
acl edit rule std-acl {acl-id} {rule-id} [op {discard | permit}] [[sip source-ip] 
{smask source-ip-mask}] [[dip destination-ip] {dmask destination-ip-mask}] 
[tseg time-segment] [index idx] 
Parameter 
acl-id  ——  The desired Standard-IP ACL for configuration. 
rule-id  ——  The rule ID. 
op  ——  The operation for the switch to process packets which match the rules. 
There are two options, discard and permit. Discard means discarding packets, 
and permit means forwarding packets. By default, the option is permit. 
source-ip  ——  The source IP address contained in the rule.