3Com 5500-EI Series, Reference Manual

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be the greatest rule number plus one. If the current greatest rule number is 65534, however, the
system will display an error message and you need to specify a number for the rule.
z
The content of a modified or created rule cannot be identical with the content of any existing rule;
otherwise the rule modification or creation will fail, and the system prompts that the rule already
exists.
z
With the auto match order specified, the newly created rules will be inserted in the existent ones by
depth-first principle, but the numbers of the existent rules are unaltered.
Examples
# Create basic ACL 2000 and define rule 1 to deny packets whose source IP addresses are
192.168.0.1.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] acl number 2000
[Sysname-acl-basic-2000] rule 1 deny source 192.168.0.1 0
[Sysname-acl-basic-2000] quit
# Create basic ACL 2001 and define rule 1 to deny packets that are non-tail fragments.
[Sysname] acl number 2001
[Sysname-acl-basic-2001] rule 1 deny fragment
[Sysname-acl-basic-2001] quit
# Create basic ACL 2002 and define rule 1 to deny all packets during the period specified by time range
trname.
[Sysname] acl number 2002
[Sysname-acl-basic-2002] rule 1 deny time-range trname
After completing the above configuration, you can use the display acl command to view the
configuration information of the ACLs.
rule (for Advanced ACLs)
Syntax
rule [ rule-id ] { deny | permit } protocol [ rule-string ]
undo rule rule-id [ destination | destination-port | dscp | fragment | icmp-type | precedence |
source | source-port | time-range | tos ]*
View
Advanced ACL view
Parameters
Parameters of the rule command
rule-id : ACL rule ID, in the range of 0 to 65534.
deny : Drops the matched packets.
permit : Permits the matched packets.