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Configuring ATM Services
12-2 114056 Rev. A
Enabling or Disabling SAAL
By default, SAAL is enabled on an interface when you create the circuit.
However, you can enable or disable signaling on an interface at any time.
Defining the Link Connection Arbitration
Link Connection Arbitration defines whether SAAL initiates link connections
(active, the default value) or waits for connections (passive).
Modifying SAAL Timers
You can set several different signaling timers. Table 12-1 gives the timer defaults,
ranges, and descriptions.
Site Manager: Enable: page A-61
Site Manager: Link Connection Arbitration: page A-62
Table 12-1. Signaling Timer Descriptions
Name Default Range Description
Poll Timer 7 1 through 120 Defines the SSCOP Poll Timer value (in tenths of a second).
This value sets the allowable time between POLL PDU
transmissions.
The poll timer ensures that the receiver continues to return a
solicited status (STAT) PDU to the sender on a regular basis.
The timely receipt of STAT PDUs restarts the poll timer and
allows for more efficient transmission error recovery.
Keep Alive
Timer
20 1 through 120 Defines the SSCOP Keep Alive Timer value (in tenths of a
second). This value sets the allowable time between POLL
PDU transmissions if there are no pending sequence data
(SD) PDUs.
The keep alive timer is generally greater than the poll timer
and greater than the length of one round-trip delay.
(continued)
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