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Bug #11715

OpenVPN MTU

Added by yon Liu about 2 months ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
OpenVPN
Target version:
-
Start date:
03/22/2021
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Default
Affected Version:
Affected Architecture:

Description

when i setup openvpn config link-mtu 1500 and No matter you choose any Allow Compression, then openvpn interface mtu auto is 1379 or 1378 very low mtu size.
but i setup link-mtu 1500 and no setup any Allow Compression in ubuntu system openvpn, it is auto mtu is 1451.

Why is the MTU gap so big?

tested in pf2.6

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