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Ubuntu will not start provisioning if network link is slow to come up due to spanning treee #2

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grubis opened this issue Jan 3, 2020 · 0 comments
Open

Ubuntu will not start provisioning if network link is slow to come up due to spanning treee #2

grubis opened this issue Jan 3, 2020 · 0 comments

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@grubis
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grubis commented Jan 3, 2020

If the target device is connected to a cisco switch and spanning tree portfast is NOT enabled on the access port, the up-down-up of the network port when UOS loads will prevent Ubuntu provisioning to begin and the system will hang indefinitely. Cisco switches pause before forwarding packets looking for BPDUs to ensure loops in the network aren't formed. This delay due to listening causes a "race condition" in UOS.
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