3com 4500 PWR 50-PORT User Manual

C

HAPTER

 8: U

SING

 Q

O

S/ACL C

OMMANDS

To display the information of the activated ACL of all interfaces, enter the 
following:

<4500>display packet-filter unitid 1

packet-filter { inbound | outbound } { user-group acl-number [ rule 

rule ] | ip-group acl-number

[ rule rule [ link-group acl-number  

rule rule ] ] | link-group acl-number [ rule rule ] }

undo packet-filter { inbound | outbound } { user-group acl-number [ 

rule rule ] | ip-group acl-number [ rule rule [ link-group acl-number  

rule rule ] ] | link-group acl-number [ rule rule ] }

Ethernet Port View.

 Filters the traffic received by the Ethernet port.

: Performs filtering to the packets sent by the interface.

: Activates user-defined ACLs. 

: Sequence 

number of the ACL, ranging from 5000 to 5999. 

ip-group acl-number:

 Activates the IP ACLs, including basic and advanced 

ACLs. 

acl-number 

specifies the sequence number of the ACL, ranging from 2000 

to 3999. 

link-group acl-number:

 Activates the Layer 2 ACLs. 

specifies the 

ACL number, ranging from 4000 to 4999. 

 Specifies the rule of an ACL, ranging from 0 to 65534; if not 

specified, all subitems of the ACL will be activated. An ACL can have many rules. 
They start at 0. 

Use the 

 command to activate the ACL on a specific interface. 

Use the 

command to disable the ACL on a specific 

interface. 

Activate ACL 2000 for inbound traffic on interface Ethernet 1/0/1. 

<4500>system-view

System View: return to User View with Ctrl+Z

[4500]interface Ethernet 1/0/1

[4500-Ethernet1/0/1]packet-filter inbound ip-group 2000

[4500-Ethernet1/0/1]