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CRS-180 70/140 MHz IF 1:1 Redundancy Switch
Modem and Switch Configuration
4.4.2
IP Redundancy Configuration
Before continuing you must remember that, when you use the Command Line
Interface (CLI), you can make configuration changes to the Online modem only.
Make sure to press 'S' to "Save Parameters to permanent storage" after making any
changes to an active CLI page. This ensures that the configuration change is also
applied to the Backup modem.
Do these steps for setup of a CDM-570/A 1:1 IP Redundancy System:
Step
Task
1
Use a Layer 2 switch (preferred) or hub to establish an Ethernet connection between the two modems.
2
Before you connect the modems to the CRS-180, you must first use the modem CLI to configure the
following CDM-570LAL IP operation settings:
• Disable 1:1 Redundancy operation – From the Main Menu, press 'E' to open the 1:1 Redundancy
Configuration page.
• From the Main Menu, press 'A' to open the Administration page.
3
For each modem, use the CLI to enter a unique IP Address that is on the same subnet:
• From the Main Menu, press 'I' to open the Interface Configuration page.
• Press 'E' to open the Ethernet Interface page (Interface Configuration Ethernet Interface):
• Press 'I' to enter the IP Address.
4
Verify that you can ping from one modem to the other:
• From the Main Menu, press 'O' to open the Operations and Maintenance page.
• Press 'G' to open the Diagnostics page (Operations and Maintenance Diagnostics):
• Press 'P' and then enter the IP Address of the other modem in the redundant pair.
5
Re-enable 1:1 Redundancy operation – From the Main Menu, press 'E' to open the 1:1 Redundancy
Configuration page.
• Press 'R' to toggle 1:1 Redundancy as [Enabled].
6
Power down both modems.
7
Connect the modems to the CRS-180.
Press 'R' to toggle 1:1 Redundancy as [Disabled].
o
Press 'W' (Administration Working Mode) and set both modems to the same Working
o
Mode.
Press 'F' (Administration Feature Configuration) and make sure to configure, using all
o
applicable submenus, both modems to have the same IP-related operability and settings.
CDM-570/CDM-570L/CDMR-570L Satellite Modem Installation and Operation
Manual (CEFD P/N MN/CDM570L.IOM): Sect. H.6 Cabling with the CDM-570L.
4–12
MN/CRS180.IOM
Revision 11
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