The first thing you need to do to fix your OpenVPN MTU problem is to figure out what your largest MTU actually is. You can do this using the ping command. “ping -f” tells ping not to fragment the packet under any circumstances. “ping -l” tells ping the packet size to use.
ping -f 1.1.1.1 -l 1500
ping -f 1.1.1.1 -l 1422
Article ID: 132
Created On: Wed, Jul 9, 2025 at 11:27 PM
Last Updated On: Wed, Jul 9, 2025 at 11:29 PM
Authored by: Saeed Nobakht [[email protected]]
Online URL: https://www.navel.ir/article/fixing-ping-mtu-issues-132.html