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Bug #10586

IPv6 interfaces seem to have hardcoded Link Local Address

Added by Rick Coats about 2 months ago. Updated about 1 month ago.

Status:
Duplicate
Priority:
Normal
Assignee:
-
Category:
Interfaces
Target version:
-
Start date:
05/22/2020
Due date:
% Done:

0%

Estimated time:
Affected Version:
All
Affected Architecture:
All

Description

The link-local address of each non-WAN interface seems to be hard coded to fe80::1:1. This causes a problem when multiple pfSense routers are connected to the same layer 2.

An example of where this would be a problem would be when you have multiple WAN interfaces with different prefixes being used for redundant paths. You can not have multiple nodes using the same link-local address on one network.

One solution would be to use the same process as is used on the WAN interface Link-Local Address on all of the interfaces. This appears to be via SLAAC and but regardless it should perform Duplicate Address Detection.

History

#1 Updated by Jim Pingle about 1 month ago

  • Status changed from New to Duplicate

This is already being discussed on #9998

#2 Updated by Rick Coats about 1 month ago

It seemed that Issue 9998 was just changing the method of hard coding to an alias. At least that is what the fix seems to be. I think that would still be a problem.

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