Appendix F. Manual MOB-IP-SIM Configuration

The MOB-IP-SIM Manager Windows utility should be used to set up the MOB-IP-SIM on your network in most cases. However, if the software utility is not available, the simulator may be manually configured by using a terminal emulator software application such as HyperTerminal to send AT commands directly to the serial port located on the MOB-IP-SIM back panel. The COM port should be set to 9600 Baud, 8 bits, no parity, and 1 stop bit.

1. To determine the current DHCP configuration enter at+ipdhcp?

   A response of

   +IPDHCP: 1 OK

   indicates that DHCP is in use. A zero indicates a static configuration.

2. Enter at+ipdhcpaddr? In this example, a response of

   +IPDHCPADDR: 192.168.1.210 OK

   indicates that the assigned address is 192.168.1.210.

3. If the configuration is indicated to be static then enter at+ipgw? A response of

   +IPGW: 192.168.1.1 OK

   indicates the gateway in this case is 192.168.1.1. To retrieve the netmask enter at+ipnetmask? A response of

   +IPNETMASK: 255.255.255.0 OK

   indicates that the netmask is set to 255.255.255.0 in this case.

4. To reconfigure a static IP address, set only the values that need changing, then enter +ipdhcp=0 even if it was set to 0 already; this makes the new settings take effect.

5. For DHCP IP address assignment, set +ipdhcp=1 and (optionally, but most likely useful) confirm the new address by entering at+ipdhcpaddr?

   +IPDHCPADDR: 192.168.1.210 OK