27 system-view[Sysname] acl ipv6 number 2000[Sysname-acl6-basic-2000] rule deny source fe80:5060::101/128rule commentSyntaxrule rule-id comment textundo rule rule-id commentViewIPv4 basic/advanced ACL view, IPv6 basic/advanced ACL view, Ethernet frame header ACL viewDefault level2: System levelParametersrule-id: Specifies the ID of an existing ACL rule. The ID ranges from 0 to 65534.text: Provides a description for the ACL rule, a case sensitive string of 1 to 127 characters.DescriptionUse the rule comment command to configure a description for an existing ACL rule or edit its descriptionfor easy identification.Use the undo rule comment command to delete the ACL rule description.By default, an IPv4 ACL rule has no rule description.Related commands: display acl and display acl ipv6.Examples# Create a rule in IPv4 basic ACL 2000 and configure a description for this rule. system-view[Sysname] acl number 2000[Sysname-acl-basic-2000] rule 0 deny source 1.1.1.1 0[Sysname-acl-basic-2000] rule 0 comment This rule is used on GigabitEthernet 0/0/1.# Create a rule in IPv6 basic ACL 2000 and configure a description for this rule. system-view[Sysname] acl ipv6 number 2000[Sysname-acl6-basic-2000] rule 0 permit source 1001::1 128[Sysname-acl6-basic-2000] rule 0 comment This rule is used on GigabitEthernet 0/0.1.stepSyntaxstep step-valueundo stepViewIPv4 basic/advanced ACL view, IPv6 basic/advanced ACL view, Ethernet frame header ACL view
