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Bug #13675

closed

Code that sets IPv6 MTU can unintentionally act on IPv4 addresses

Added by Christopher Cope over 1 year ago. Updated over 1 year ago.

Status:
Resolved
Priority:
Normal
Category:
Interfaces
Target version:
Start date:
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
23.01
Release Notes:
Default
Affected Version:
Affected Architecture:

Description

Related to https://redmine.pfsense.org/issues/11855

The patch on that issue adds a check for the address being IPv6 to the second half, but not to the loop.

Nov 16 21:50:26 ldex-fw2 php[386]: rc.bootup: The command '/sbin/route 
change -6 -mtu '9000' '192.168.101.0/24' '192.168.9.1'' returned exit 
code '71', the output was 'route: 192.168.101.0: Name does not resolve'

This is causing the boot up to stick on "Configuring VLAN interfaces..." for an extended period of time. I am able to reproduce using the config of a customer who is hitting this issue. I have made a patch that adds the additional check in and fixes the issue. I will submit a merge request for review shortly.


Related issues

Related to Bug #11855: Error when changing MTU if the interface is used for both IPv4 and IPv6 default routesResolvedViktor Gurov04/27/2021

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