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DSI Signaling Server SGW Mode User Manual Issue 5

3.2.2 IP Configuration

The Signaling Gateway is configured with a default IP address of 192.168.0.1. If this address is not unique,

or not suitable for the existing network configuration, it is necessary to change this value to a unique IP

address in the Ethernet network to which it is connected. Instructions for making this change are given

below.

Using the VT100-compatible terminal, the IP address is set by entering the system configuration command,

IPEPS. For example, to set the IP address to 123.124.125.126, the following command should be entered:

IPEPS:ETH=1,IPADDR=123.124.124.126;

It is also possible to configure a subnet mask if the unit is a member of a subnet. The default subnet mask is

255.255.255.0. To set the subnet mask to a different value, the following command should be used (the

example here sets a subnet mask of 255.255.255.192):

IPEPS:ETH=1,SUBNET=255.255.255.192;

The management interface also allows an IP default gateway address to be specified using the GATEWAY

parameter on the IPGWx command (see Section 6.7, “IP Commands” on page 86).

This is set by default to 0.0.0.0, indicating that no default gateway is present. For example, to set the

gateway address to 123.124.125.250, the following command is used:

IPGWI:IPGW=DEFAULT,GATEWAY=123.124.124.250;

The current settings can be displayed by entering the IPEPP and the IPGWP command.

After changes using the IPEPS or IPGWI commands new IP parameters are initialized with immediate effect.

If the IP address used to login to the unit for the telnet session is changed, you are automatically logged out

of the session. However, you can log in again without delay using the new IP address.

The Ethernet connection should be verified by attempting to “ping” the SGW from a computer connected to

the same Ethernet network, using the following command:

ping 123.124.125.126

If the Signaling Gateway has been configured correctly, it responds to the ping and the host machine displays

a message confirming communication with the Signaling Gateway (the exact format and response of this

message is operating system dependant).

If ping fails, you should check that the IP address was entered correctly and that there is no fault with the

cabling to the Signaling Gateway.

Once the ping command shows that the Ethernet connection is valid, it should be possible to access the

management interface previously used on the VT100 compatible terminal via telnet. This is achieved by

establishing a telnet session to port 8100 or 8101.

Note: It is not possible to telnet to the standard telnet port 23.

For example, on a typical host console, the following command starts a telnet session to a Signaling Gateway

with an IP address of 123.124.125.126:

telnet 123.124.125.126 8100

The telnet terminal displays the MML interface prompt:

SS7G20(SGW) logged on at 2004-01-20 14:52:29

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