Cisco OL-4015-08 User Manual page 157

Chapter 6 Firewall Policy
Examine the Traffic Diagram and Select a Traffic Direction
OL-4015-08
From–Select the interface from which the traffic flow you are interested in
originates. The firewall will protect the network connected to the From interface.
The From list contains only interfaces with configured IP addresses.
To—Select the interface out of which the traffic will leave the router. . The To list
contains only interfaces with configured IP addresses.
Details button. Click to view details about the interface. Details such as
IP address, encapsulation type, associated IPSec policy, and
authentication type are provided.
Example—To view the traffic flow from the network connected to the Ethernet 0
interface exiting the router on the Serial 0 interface exists, select From: Ethernet
0, and select To: Serial 0, and click Go.
Go button—Click Go to update the diagram with information about the
interfaces you have selected. The diagram is not updated until you click Go. The
Go button is disabled if you have not selecte a From interface or a To interface,
or if the From and To interfaces are the same.
View Option—Selecting Swap From and To interface allows you to swap the
interfaces that you originally selected without having to reselect them from the
From list and the To list. You can use the swap option if you want to create a
firewall protecting both the network connected to the From interface and the
network connected to the To interface. You can select View all Access control
lists in traffic flow when one access rule has been applied to the From interface
and another access rule has been applied to the To interface for a traffic direction
you have chosen. The entries of both access rules are displayed in another
window.
The traffic diagram contains a diagram of the router, with a From interface and a
To interface. When you select the From and To interfaces and click Go, this area
is dynamically updated to show the selected interfaces and the types of rules
applied, as well as the direction in which they have been applied.
The following illustration shows the traffic selection panel and the traffic diagram
area displaying the access rules and inspection rules in the selected traffic flow.
Cisco Router and Security Device Manager Version 2.2 User's Guide
Edit Firewall Policy/ACL
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