Callback Request (Example) - Bay Networks Nautica 200 Reference Manual
Nortel nautica 200: reference guide
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Also See for Nautica 200:
- Reference manual (642 pages) ,
- Release note (38 pages) ,
- Installation manual (23 pages)
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Callback Request (Example)
117237-C Rev. A
In this example, the caller and the ISP have different BACP
settings, but the ISP still governs the extra bandwidth.
Caller Setup
MLink and BACP enabled
Demand Threshold = 80%
Demand Period = 30s
Idle Threshold 20%
Max Bandwidth 128000
CNum 1/
1.
The caller requests a connection from the ISP.
•
1 call 64000 b/s
2.
The ISP acknowledges and grants the connection.
•
1 call 64000 b/s
3.
The caller requests files to be downloaded.
•
1 call 64000 b/s
4.
The ISP provides the requested files.
•
1 call 64000 b/s
5.
The ISP Demand Threshold of 60% is exceeded for the ISP
Demand Period of 10 seconds. The ISP sends a
Callback-Request to the caller with a CNum of 654321.
•
1 call 64000 b/s
6.
The caller acknowledges the Callback-Request and dials the
CNum to obtain the extra bandwidth.
•
2 calls 128000 b/s
7.
The ISP provides files on both lines using the multilink
protocol.
•
2 calls 128000 b/s
Understanding the Technology
ISP Setup
MLink and BACP enabled
Demand Threshold = 60%
Demand Period = 10s
Idle Threshold = 25%
Max Bandwidth = 0
CNum 1/ = 654321
1-31
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