LAB 7A: Security on UC500 and SR520
Cisco Unified Communications Technical Training
Page 92 of 171
Configuring NAT on the SR520
1 Go to Configure > Security > NAT
2 Some default translations exist, but to add another, click the Add button.
3 Choose a server type from the Type of Service menu
4 In the Private IP address field, enter the IP address the server uses on the internal network.
5 In the Original Port field, enter a port number for the inside device. This is the port number used by
the server to accept service request from the internal network.
6 In the Translated Port field, enter a port number that NAT is to use for the translation. This is the port
used by the server to accept service request from the Internet.
7 Click OK to save and close the window.
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