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Max replay rate for all loops except first when omitting --mbps option #85

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abiryukov opened this issue Jun 17, 2014 · 2 comments
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Max replay rate for all loops except first when omitting --mbps option #85

abiryukov opened this issue Jun 17, 2014 · 2 comments
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@fklassen
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4.0.5 bug
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4.0.5

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@abiryukov
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  1. run: tcpreplay -i eth6 --loop=3 bigFlows.pcap
Expected

this capture file has original rate ~10Mbps and duration ~300s. With 3 loops it should produce ~900s of replay at ~10Mbps

Actual

first loop is done at the file's original rate. All loops after that - at max rate

Actual: 2374845 packets (1066253352 bytes) sent in 302.08 seconds.
Rated: 3520663.3 Bps, 28.16 Mbps, 7841.50 pps
Flows: 40686 flows, 134.34 fps, 7120611 flow packets, 3924 non-flow
@fklassen fklassen added this to the 4.0.5 milestone Jun 17, 2014
@fklassen fklassen self-assigned this Jun 17, 2014
@fklassen fklassen added 4.0.5 and removed 4.0.4 labels Jun 17, 2014
@abiryukov
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could be related: when running command as above, allowing error output (without 2> /dev/null), there is a warning for every packet in all loops after first:

Warning: Packet #1 has gone back in time!
Warning: Packet #2 has gone back in time!
Warning: Packet #3 has gone back in time!

@fklassen
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Thanks Alex. Sounds similar to a fix I did for #75

Either I broke something, or a similar fix needs to be applied to the time for every loop pass.

@fklassen fklassen mentioned this issue Jun 19, 2014
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fklassen added a commit that referenced this issue Jun 19, 2014
@fklassen
Merge pull request #89 from appneta/Bug_#85_2nd_loop_full_speed
a9f599c 
Reset last_time between loop iterations. This closes #85
@abiryukov abiryukov mentioned this issue Feb 3, 2015
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@KatherineJXY KatherineJXY mentioned this issue Dec 11, 2023
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