Avaya Configuring Frame Relay Services Bedienungsanleitung PDF herunterladen (Seite 64)

Configuring Frame Relay Services

2-34

117376-C Rev. 00

X.213 Priority for SVCs

Some frame relay networks that support SVCs can prioritize SVC data and

connection characters by setting X.213 priority attribute or parameters. You

configure values for these attributes or parameters at the router, and the frame

relay network uses them. For instructions on configuring X.213 parameters see

“Setting X.213 Priorities for SVCs” on page 3-71.

Inactivity Timing for SVCs

The Inactivity Timer parameter and Inactivity Timer Mode parameter combine to

automatically disconnect an SVC according to values that you configure for

amount of time and the direction that data is flowing over the SVC. You can

configure these parameters to apply to all SVCs in a service record, and you can

also configure them for individual SVCs.

When the router establishes an SVC, the Inactivity Timer value initializes two

timers internal to the router: the one that monitors data the router transmits, and

one that monitors data the router receives. The Inactivity Timer Mode parameter

defines how the timers restart. Table 2-7

shows the various ways you can set these

parameters, and the effect each combination has on disconnecting SVCs.

For instructions on setting these values for the inactivity parameters, see “Setting

Inactivity Values for SVCs” on page 3-55.

Table 2-7. Inactivity Timer and Inactivity Timer Mode Interaction

Inactivity Timer Mode Inactivity Timers Used Disconnect SVC

Both Directions Transmit and Receive When both timers expire (no data

transmitted, AND no data received

during the timer interval).

Either Direction Transmit and Receive When either timer expires (no data

transmitted OR no data received

during the timer interval).

Transmit Only Transmit When the transmit timer expires (no

data transmitted during the timer

interval).

Receive Only Receive When the receive timer expires (no

data received during the timer

interval).

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Avaya Configuring Frame Relay Services Bedienungsanleitung Seite 64