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Encryption Parameters

303520-A Rev. 00

A-3

Parameter: LTSS Value

Path: PPP: Configuration Manager > Protocols > PPP > PPP Interface Lists window

Frame Relay: Configuration Manager > Protocols > Frame Relay > Services >

Frame Relay Service List window > PVCs > Add

Default: None

Options: 32 through 62 hexadecimal characters

Function: Creates the Master Encryption Key (MEK).

Instructions: Select the LTSS from the list in the Site Manager WEP LTSS window. Refer to

instructions in Chapter 3

. The long-term shared secret (LTSS) must be the same

on both sides of the link. When you enter the LTSS Value, you automatically

enter the LTSS Name.

MIB Object ID: PPP: 1.3.6.1.4.1.18.3.4.28.5.1.5

Frame Relay: 1.3.6.1.4.1.18.3.4.28.4.1.8

Parameter: MEK Change

Path: PPP: Configuration Manager > Protocols > PPP > PPP Interface Lists window

Frame Relay: Configuration Manager > Protocols > Frame Relay > Services >

Frame Relay Service List window > PVCs > Add

Default: 60 minutes

Options: 1 through 65,535 minutes

Function: Sets the amount of time, in minutes, between changes in the value of the Master

Encryption Key (MEK).

Instructions: Accept the default, or select another value within the specified range. The value

for this parameter must be the same on both sides of a link.

If the router clocks are not synchronized and you want to use encryption, set this

parameter to a value large enough to compensate for the time difference

between the routers. This ensures that the MEKs are the same on both sides of a

link.

MIB Object ID: PPP: 1.3.6.1.4.1.18.3.4.28.5.1.6

Frame Relay: 1.3.6.1.4.1.18.3.4.28.4.1.9

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Avaya Configuring Data Encryption Services Manuale Utente Pagina 59