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# V5-dev-bugs
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### (1) Detection of link failure
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- it works fine if we unplug the end of the cable which is downstream
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- we have unidirectional traffic:
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PC\_1<s>Switch\_1</s>\>(redundant
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connection)<s>Switch\_2</s>\>PC\_2
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- we unplug (simulate failure) the end of the cable connected to
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Switch\_2
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- link-down detection + link killing + switchover is really nice
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and very few frames are lost
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- it does not work fine if we unplug the end of the cable which is
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upstream
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- we have unidirectional traffic:
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PC\_1<s>Switch\_1</s>\>(redundant
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connection)<s>Switch\_2</s>\>PC\_2
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- we unplug (simulate failure) the end of the cable connected to
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Switch\_1
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- link-down detection seems to be too slow (some corrupted frames
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are received, synch\_lost is detected many times
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- many frames lost during the switch-over
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