Rockwell Automation Publication 1783-UM007G-EN-P - February 2017 275
Configure Switch Features Chapter 7
To configure NAT, follow one of these procedures that are based on your
application:
•
Create NAT Instances for Traffic Routed through a Layer 3 Switch
or Router
For an example of this application, see
Figure 28 on page 256.
•
Create NAT Instances for Traffic Routed through a Layer 2 Switch
For an example of this application, see
Figure 29 on page 257.
Create NAT Instances for Traffic Routed through a Layer 3 Switch or Router
To create a NAT instance for traffic that is routed through a Layer 3 switch or
router, follow these steps.
1. From the NAT view, click New Instance to display the General tab.
IMPORTANT Configure all Smartport roles and VLANs before creating NAT instances.
If you change a Smartport role or the native VLAN for a port that is
associated with a NAT instance, you must reassign VLANs to the NAT
instance.
IMPORTANT As a result of Layer 2 forwarding, current traffic sessions remain established
until manually disconnected. If you change an existing translation, you must
manually disconnect all associated traffic sessions before the new
translation can take effect.
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