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Chapter 5 Configuring the Interfaces Using the Console Interface
Configuring the ATM PNNI 1.0 Interface
Configuring the ATM PNNI 1.0 Interface
®
1-Port Channelized STS-1e, T1 Format Module User Guide, Issue 1
PacketStar
5-8
When there are unacknowledged protocol data units (PDUs), the MaxPD
field on the remote end peer (such as the NavisCore
maximum number of SSCOP transmitted since the last PSAX polling of the
peer. To optimize call performance, the SSCOP Rx Window Size field of the
local ATM interface should be less than the maximum value displayed in the
MaxPD credit window at the remote end of the ATM interface. Otherwise,
the rate at which switched calls can be set and released may be degraded.
On the ATM IISP Interface Configuration window, the maximum credit
window (the SSCOP Rx Window Size field) is configurable for a value up to
32 for all ATM interfaces on the Multiservice Media Gateway. The interfaces
of the ATM switches that are connected to an Multiservice Media Gateway
should be configured to the same values. This results in 100% call
completion at a call setup rate of 60 calls per second using even distribution.
If these values are not configured in this way, calls will be set up at a rate of
less than 60 calls per second.
Note:
Various SSCOP parameter settings determine the maximum credit
window. As a result, you may not be able to directly use these
settings.
To set the values for the ATM PNNI interface, perform the steps in the
following procedure.
Setting the Values for the ATM PNNI 1.0 Interface
Begin
1 On the Port and Channel Configuration window of any module
supporting the ATM PNNI interface, select AtmPnni1-0 as the interface
type.
2 Select the Apply the Port and Channel Configuration command and
press Enter.
3 Select Configure Interface and press Enter.
The ATM PNNI Interface Configuration window is displayed (see
Figure 5-2).
™
™
CBX 500
) shows the
Release 7.0
255-700-184
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