410CHAPTER 19: CONFIGURING AND MANAGING SECURITY ACLS

3Configure an ACE that denies all IP traffic from any IP address in the 10.10.11.0/24 subnet to any address in the same subnet.

WX1200# set security acl ip c2c deny ip 10.10.11.0 0.0.0.255 10.10.11.0 0.0.0.255

4Configure an ACE that permits all traffic that does not match the ACEs configured above:

WX1200# set security acl ip c2c permit 0.0.0.0 255.255.255.255

5Commit the ACL to the configuration:

WX1200# commit security acl c2c

6Map the ACL to the outbound and inbound traffic directions of VLAN vlan-1:

 

WX1200# set security acl map c2c vlan vlan-1

out

 

WX1200# set security acl map c2c vlan vlan-1

in

 

The commands in steps 1 and 2 permit traffic to and from the router

 

(gateway). If the subnet has more than one gateway, add a similar pair of

 

ACEs for each default router. Add the default router ACEs before the

 

ACEs that block all traffic to and from addresses within the subnet.

 

 

Security ACL

The following scenario illustrates how to create a security ACL named

Configuration

acl-99that consists of one ACE to permit incoming packets from one IP

Scenario

address, and how to map the ACL to a port and a user:

1Type the following command to create and name a security ACL and add an ACE to it.

WX1200# set security acl ip acl-99 permit 192.168.1.1 0.0.0.0

2To view the ACE you have entered, type the following command:

WX1200# display security acl editbuffer

Status

ACL

Type

acl-----------------------------------99

----

-------------

IP

Not committed

3To save acl-99and its associated ACE to the configuration, type the following command:

WX1200# commit security acl acl-99 success: change accepted.

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3Com WX1200 3CRWX120695A manual Address, and how to map the ACL to a port and a user, WX1200# commit security acl c2c

WX1200 3CRWX120695A, WX4400 3CRWX440095A, WXR100 3CRWXR10095A, WX2200 3CRWX220095A specifications

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