McAfee SG310, Administration Manual

Page: 96 / 412

96 McAfee UTM Firewall 4.0.4 Administration Guide
Network Setup menu options
Bridging
5
The Edit Bridge Configuration tab appears ( Figure 94 ).
Figure 94 Network Setup Edit Bridge Configuration page
6
For each network interface you want to bridge, select the Bridged checkbox. Selecting this checkbox for
an interface places the interface on the bridge.
Note: If a network interface is placed on the bridge, its current configuration is deleted.
7
Ensure its Firewall Class is set appropriately.
8
[Optional] If you have multiple bridges connected together on your network, select the Enable Spanning
Tree Protocol checkbox. This setting allows the bridges to exchange information, helping to eliminate
loops and find the optimal path for network traffic.
9
Enter the time in seconds between when the bridge interface comes online and when it begins forwarding
packets in the Forwarding Delay field. The delay usually only occurs when the appliance first boots, or
when the bridge configuration is modified. This delay allows the appliance’s bridge to detect which hosts
are connected to each of the bridge’s interfaces, rather than blindly sending network traffic out all network
interfaces.
Can be zero (0) or greater
10
Click Next to review or change IP address information for the bridge interface, otherwise click Finish.
Example 1: Transferring existing settings while adding a new bridge
This example steps through the sequence when transferring the IP address settings of an existing network
connection to the bridge interface you are adding.
1
From the Network Setup menu, click Network Setup and select the Connections tab. The
Connections page appears.
2
From below the main Connections table, select Bridge from the list and click Add. The Bridge
Configuration tab appears.
3
Select the interface from the Existing Interface Configuration list. This example transfers the settings
from the Switch A LAN interface (
Figure 95 ).
Figure 95 Example transfer configuration to bridge