# Configuring the NSNAS 4050 subnet using EDM

Important

In Ethernet Routing Switch 5000 Series, software release 5.1 and later, supports only one entry for the NSNAS 4050 subnet configuration.

Use the following procedure to configure the NSNAS 4050 portal Virtual IP (pVIP) subnet.

## Prerequisites

- Open one of the supported browsers.

- Enter the IP address of the switch to open an EDM session.

## Procedure steps

1. In the navigation tree, double-click Security.

2. In the Security tree, double-click NSNA.

3. In the work area, click the NSNA tab.

4. In the toolbar, click Insert.

   The Insert NSNA dialog box appears.

5. Configure the parameters as required.

6. Click Insert.

## Variable definitions

The following table describes the fields of NSNA tab.

Variable | Value
--- | ---
AddressType | Specifies the type of IP address used by the NSNAS 4050. IPv4 is the only available option at this time.
Address | Specifies the pVIP address of the NSNAS 4050.
AddressMask | Specifies the NSNAS 4050 pVIP address subnet mask. Value ranges between 0 and 32. Default is 24.
Port | Specifies the TCP port number for the Switch to NSNAS 4050 Server Communication Protocol (SSCP). Values are in the range of 1024–65535. The default setting is 5000.