Eicon Networks S52 Betriebsanweisung PDF herunterladen (Seite 48)

Using Eiconcard Routing Services

page 46

Setting Up a PPP Connection

You can set up a Point-to-Point connection using Sys-1 and Sys-2 by following this procedure.

1. Select the Eiconcard Services Protocol Configuration option in eiconcfg on each system

to modify its Eiconcard configuration.

2. At the Hardware Configuration screen, set auto activate ports to No for the PPP ports.

3. Move to the Protocol Configuration screen. Select Routing Services. Configure the Line

protocol module as PPP and leave the default value for Dialer selection, Direct, for both

systems.

4. Move to the Routing Services Configuration screen and set the Maximum number of

connection manager sessions to 2, one for the primary circuit and one for the backup

circuit (one per Eiconcard port).

5. Verify that the Maximum number of call-directory entries and Maximum number of open

subnetwork circuits parameters are both set to at least 2, one for the primary circuit and

one for the backup circuit (the default is 4 in both cases).

The default values on the Point-to-Point Configuration screen do not need to be modified

for a back-to-back connection.

6. Access the Sync Driver Configuration screen (via Dialer selection) and set Clocking to

Internal for Sys-2. Sys-1 keeps the Clocking default, External.

7. On the same screen, you can set Line speed (bps) up to 64000 for Sys-2, provided you

are using a maximum length of 8 feet for the RS-232 cable that will connect the two

Eiconcards back to back.

8. Once the parameters are set, press F2 Save and F10 to exit. The two ec.cfg files are now

configured for Sys-1 and Sys-2’s back-to-back connection.

9. If the Eiconcard is already loaded and running (using eccard start), run eccard stop

to stop it.

10. Connect the Eiconcard in Sys-1 to the Eiconcard in Sys-2 with an RS-232 null-modem cable.

11. Run eccard start on both systems to start the Eiconcards. The Eiconcards on each system

are loaded and configured according to the parameters found in the system’s ec.cfg file.

12. Once eccard start has run successfully (no errors reported), you can use ecstatus on

both systems to check the integrity of the connection between Sys-1 and Sys-2.

13. Create a test circuit on both systems. Two sample files, sys1ppp.if and sys2ppp.if, are

provided with Routing Services and are configured for the purpose of running this test.

Circuit names need only be unique within one Linux system; you can specify the same

name for the test circuits used on Sys-1 and Sys-2.

14. Ensure the Eiconcards are already started, and run mprload -f sys1ppp.if on Sys-1 and

mprload -f sys2ppp.if on Sys-2. This loads the specified interface file down to the

Eiconcard Routing Services driver. If the -f option is not specified, the default file mpr.if

is loaded down to the driver.

15. Run mprstart on both systems to start the circuits. If you stop an Eiconcard after creating

a circuit entry, use mprstart to restart the circuit once you have restarted the card.

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Eicon Networks S52 Betriebsanweisung Seite 48