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Nokia Network Voyager for IPSO 4.0 Reference Guide 83
9. Click Apply.
10. (Optional) Change the interfaces logical name to a more meaningful name by typing the
preferred name in the Logical name text box.
Click Apply.
11. (Optional) Add a comment to further define the logical interfaces function in the Comments
text box.
12. Click Apply.
13. Click Save.
Serial (V.35 and X.21) Interfaces
To configure a serial interface for Cisco HDLC
1. Click Interfaces under Configuration > Interface Configuration in the tree view.
2. Click the physical interface link to configure in the Physical column.
Example:
ser-s2p1
3. (Optional) Click On or Off in the Physical configuration table Internal Clock field to set the
internal clock on the serial device.
Set the internal clock to On when you are connecting to a device or system that does not
provide a clock source. Otherwise, set the internal clock to Off.
4. Click Apply.
5. If you turned the internal clock on, enter a value in the Internal clock speed text box.
If the device can generate only certain line rates, and the configured line rate is not one of
these values, the device selects the next highest available line rate.
6. Click Full Duplex or Loopback in the Channel Mode field.
Full duplex is the normal mode of operation.
7. Click Cisco HDLC in the Encapsulation field.
8. Click Apply.
A logical interface appears in the Logical Interfaces table.
9. Enter a number in the Keepalive text box to configure the Cisco HDLC keepalive interval.
Click Apply.
This value sets the interval, in seconds, between keepalive protocol message transmissions.
These messages are used periodically to test for an active remote system.
Note
This value must be identical to the keepalive value configured on the system at the other
end of a point-to-point link, or the link state fluctuates.