From 65d533ba8ed02643556ad54779c07ba5817e9c6b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Asger=20Juul=20Brunsh=C3=B8j?= Date: Sat, 28 Sep 2024 21:43:48 +0200 Subject: [PATCH] findings --- README.md | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/README.md b/README.md index 0987d96..b71ceaf 100644 --- a/README.md +++ b/README.md @@ -2,3 +2,21 @@ To debug home network problems: + +## Findings + +### TP Link TP-SG1008P switch + +TP-SG1008P is broken. +Spamming PAUSE frames from a device behind this switch causes the entire network (or at least everything connected through this switch) to go down within about a minute. +Maybe the switch has a single buffer and as it can't send to our device (PAUSE), it also can't send to any other device (head-of-line blocking essentially) and so everything breaks down. + +### Netgear R6220 router + +R6220 (up to date firmware V1.1.0.114_1.0.1) is broken. +Spamming PAUSE frames from a device directly connected to this router's switch causes connectivity on all devices on the home network to fail within about a minute. + +### Netgear R6220 router + +R6220 (up to date firmware V1.1.0.114_1.0.1) is broken. +Sending PAUSE frames from a device directly connected to this router's switch causes all devices on the home network to within about a minute.