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Spirent KB Article
Doc ID: FAQ19051
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VW Classic PM, VW Classic Probe: Why does a capture from probe show PM EOAM frames as less than 64 bytes (45 bytes including single vlan)?
Environment/Versions
VW Classic PM: All versions
VW Classic Probe: All versions.
Answer
For the PM EOAM (TST-SLA) test, the packets are padded at the interface to reach 64 bytes. The probe's
log_frames capture
program captures the frames prior to the interface adding the padding. The PM EOAM frames are the only frames that are captured prior to the padding and other captures will have the minimum Ethernet Frame size of 64 Bytes.
Version
2.0
Publish Date
2020-02-19
Categories
Product : VW Controller PM Classic,VisionWorks Probe
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