IP Server 900 Programming Manual Function 8: IP programming
L.8
Function 824: Network Services Processor
The built-in Network Services Processor (NSP) is a component that provides an IP network connection for
maintenance and other features, such as VIP 7 and unified messaging.
About port forwarding
A firewall keeps unwanted Internet traffic away from a LAN’s PCs. A router that’s using NAT (network
address translation) creates a simple firewall between the internal LAN and the Internet. The site’s Network
Administrator can configure the router so that some traffic on specific IP ports can be directed to a single
computer or other device on the LAN. This is port forwarding — also called PAT (port address translation).
If you or your customer will be connecting to the NSP remotely using IP Server 900 Web ESI System
Programmer or VIP 7, the customer’s router must be configured to forward ports as detailed on page
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Parameters
Note: For each IP address in the following steps, enter the address in a dotted-decimal format consisting of four
numbers separated by dots. Valid numbers are 0 through 255. Use # to enter the dots between numbers.
You enter each of the following parameters in one operation.
1. NSP private IP address — View or enter the IP address for the NSP. Press # to confirm.
Range: 1.0.0.1 through 254.254.254.254.
NSP PRIVATE IP
1.0.0.1
2. NSP subnet mask — Enter the IP subnet mask of the network to which the NSP is connected.
Press # to confirm.
Range: 0.0.0.0 through 255.255.255.252.
NSP SUBNET MASK
0.0.0.0
3. NSP gateway — Enter the default gateway address of the NSP if it differs from that for the IP PBX.
Default value is the PBX gateway IP address assigned in Function 821. Press # to confirm.
Range: 1.0.0.1 through 254.254.254.254.
NSP GATEWAY
1.0.0.1
4. NSP public address — Enter the public WAN address that routes to the NSP if it differs from that for the
IP PBX. Default value is the PBX remote-access IP address assigned in Function 821. Press #
to confirm.
Range: 1.0.0.1 through 254.254.254.254.
NSP PUBLIC IP
0.0.0.0
(Continued)
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You may wish to refer to “Configuring the remote office NAT router” in the NSP/VIP Advanced Options Guide (ESI # 0450-0667).
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