Spirent Communications - SmartBits PacketLoss Test Results
Vendor Name: Vendor
Product Name: Product
Software Version: SmartApplications V 3.00
Library Version: 3.51-1
Firmware Version: 1.07.009.0 - Active
Serial Number: 06001320
PacketLoss test length: 10 seconds
Average of: 1 trial
Port pairs active: 1
Mode: Uni-directional
Date: Thu Jun 24 17:53:25 2010
Port-Pair PacketLoss as a percentage of total
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Frame size 64 128 256 512 1024 1280
Max attempted 100.00 100.00 100.00 100.00 100.00 100.00
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(01,01,01) to (01,02,01) 0.000 0.000 0.000 0.000 0.000 0.000
Spirent Communications - SmartBits PacketLoss Test Results
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Frame size 1518
Max attempted 100.00
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(01,01,01) to (01,02,01) 0.000
This test concludes that at frame sizes of 64, 128, 256, 512, 1024, 1280 and 1518 bytes, with 100% interface traffic at 1 Gbps full duplex, there was 0% loss.
The objective of the frame loss rate test is to determine the frame loss rate of the DUT over various
loads and frame lengths.
Frame loss rate is defined in RFC 1242 as a “percentage of frames that should have been forwarded by
a network device under steady state (constant) load that were not forwarded due to lack of resources.”
It is typically reported as a percentage of offered frames that are dropped.
This frame loss test is useful for establishing a profile of the DUT performance over a range of frame
lengths and loads to ensure consistent performance and graceful degradation. For example, a DUT may
have a throughput of 90 percent of maximum theoretical bandwidth but degrade to unacceptable
performance at 92 percent.
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