Packets can be duplicated by faulty routers and loops in the topology. Happens a... | Hacker News

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noway421 on Dec 29, 2016 | parent | context | favorite | on: UDP vs TCP

Packets can be duplicated by faulty routers and loops in the topology. Happens all the time to me when I'm lost with iptables.

ra1n85 on Dec 29, 2016 [–]

Observed this recently with a bug in Cisco's VSS. Some packets were being duplicated, which destroyed TCP throughput.

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