Generic troubleshooting processes: Difference between revisions

Generic troubleshooting processes (view source)

20 bytes added , 2 December 2021

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 TCP zero window packets are being sent out by a client or (mostly) server, whenever it cannot optimally handle the oncoming traffic any more. Because of whatever reason, its receive buffer is full, and the device will start every sending party to slow down – by means of TCP zero packets.
-+++++ IMAGE +++++
+[[File:Zerowin.png|600x600px]]
+Couple of reasons for high (continuous) counts of TCP zero window packets, may be things like:
-Reasons for high (continuous) counts of TCP zero window packets, may be things like:
+Too much oncoming traffic, relative to the NIC Link speed
--	Too much oncoming traffic, relative to the NIC Link speed
--	Applications that are too slow or problematic and therefore are unable to keep up.
+Applications that are too slow or problematic and therefore are unable to keep up.
--	Storage that is too slow or problematic, and therefore is unable to keep up.
+Storage that is too slow or problematic, and therefore is unable to keep up.