From 8aafd4adc7a72c7f1b533e14f128b0213a12171e Mon Sep 17 00:00:00 2001 From: Konrad Bucheli Date: Thu, 25 May 2023 14:52:12 +0200 Subject: [PATCH] how to enable the network monitor link --- infrastructure-guide/troubleshooting.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/infrastructure-guide/troubleshooting.md b/infrastructure-guide/troubleshooting.md index c9dfa05e..9ec15439 100644 --- a/infrastructure-guide/troubleshooting.md +++ b/infrastructure-guide/troubleshooting.md @@ -5,3 +5,11 @@ To be able to debug early network issues in the boot process the 2 test VMs lxde I.e. lxdev04 has a second interface that mirrors the primary interface of lxdev05 and lxdev05 has a second interface that mirrors the primary interface of lxdev04. +Bring the device up without IP address: + +``` +ip link set dev ens192 up +ip addr flush dev ens192 +``` +and then use `tcpdump -i ens192 ...` +