CDM-570/570L Satellite Modem with Optional IP Module Revision 4
Appendix D MN/CDM570L.IOM

D.3.2 Setting CDM-IP Modems to Router Mode Operation

Perform the following steps on CDM-IP 1

Step Description
1 From the Main Menu, select Administration [A] sub-menu.
2 From the Administration menu, select CDM-IP Working Mode [C].
3 Confirm when prompted by typing ‘y’ when the following prompt is displayed:
Changing Modem working mode requires system Reboot.
Do you want to continue(Y/N)[Enter :No]
Select [1] for Router Mode.
4 Allow CDM-IP to reboot, then select Interface Configuration [I] from Main Menu.
5 From the Interface Configuration men u, select Satellite/HDLC Interface (hdl0) [H].
6 From the Satellite/HDLC Interface (hdl0) menu, sele ct HDLC Addr Mode [M].
7 Confirm when prompted by typing ‘y’ when the following prompt is displayed:;
Changing HDLC address mode causes system Reboot.
Do you want to continue(Y/N)[Enter :No]
Select [1] for Small Network Mode.
8 Allow CDM-IP to reboot. After reboot, select Interface Configuration [I] from the Main
Menu.
9 From the Interface Configuration men u, select Receive HDLC Channel Addresses
[H].
10 From the Receive HDLC Channel Addresses menu, sele ct [1] for HDLC Addr 1. The
following prompt will be displayed:
Please enter a value for the HDLC Addr 1
Press ESC to abort
HDLC address [SMALL NETWORK] in hex <0x1 - 0xFE, enter = 0001>:
Enter [2] to set HDLC Addr 1 to 0x01.
Note: HDLC Addr 1 will display as 0x0001, although only the last 2 digits are used in
Small Network Mode, allowing up to 254 separate HDLC addresses.
11 Repeat Steps 1 - 9 on CDM-IP 2. Also, repeat Step 10, but set HDLC Addr 1 to 0x02.

Both CDM-IP modems are now in Router/Small Network Mode, which means that the

CDM-IP modems will be on independent IP subnets and will require adding static routes

to pass traffic between them.

The HDLC MAC address is user configurable.

D–8