3Com S7906E Command Reference Manual page 1956

Use the undo rule comment command to remove the IPv6 ACL rule description.
By default, no rule description is created.
Examples
# Define a rule in IPv6 ACL 2000 and create a description for the rule.
<Sysname> system-view
[Sysname] acl ipv6 number 2000
[Sysname-acl6-basic-2000] rule 0 permit source 2030:5060::9050/64
[Sysname-acl6-basic-2000] rule 0 comment This rule is used in eth 2/0/1
# Define a rule in IPv6 ACL 3000 and create a description for the rule.
<Sysname> system-view
[Sysname] acl ipv6 number 3000
[Sysname-acl6-adv-3000] rule 0 permit tcp source 2030:5060::9050/64
[Sysname-acl6-adv-3000] rule 0 comment This rule is used in eth 2/0/1
step (for IPv6)
Syntax
step step-value
undo step
View
Basic IPv6 ACL view, advanced IPv6 ACL view
Default Level
2: System level
Parameters
step-value: The step in which the rules in the IPv6 ACL is numbered, in the range 1 to 20.
Description
Use the step command to set a rule numbering step for the IPv6 ACL.
Use the undo step command to restore the default.
By default, the rule numbering step is five.
Examples
# Set the rule numbering step to 2 for IPv6 ACL 2000.
<Sysname> system-view
[Sysname] acl ipv6 number 2000
[Sysname-acl6-basic-2000] step 2
# Set the rule numbering step to 2 for IPv6 ACL 3000.
<Sysname> system-view
[Sysname] acl ipv6 number 3000
[Sysname-acl6-adv-3000] step 2
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