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Bug #14477

open

Defining IP address on an Interface doesn't check defined VIPs for possible IP address overlapping

Added by Danilo Zrenjanin 11 months ago. Updated 10 months ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
Interfaces
Target version:
-
Start date:
Due date:
% Done:

0%

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

Description

When attempting to create a VIP (Alias type) with an IP address that has already been defined on the interface, the system performs a check and alerts the user about the IP overlap. However, that's not the case when you define Interface IP overlapping with an existing VIP using the same address. As a consequence, dpinger service won't start.

Steps to reproduce:

1) Define VIP Alias type using the WAN interface as the parent interface with an IP address, e.g., 192.168.33.21.
2) Change the existing WAN interface IP to the address used for creating the Alias (192.168.33.21)
3) Check the gateway status for the WAN interface.

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 #1

Updated by Kris Phillips 10 months ago

Confirmed this behavior in pfSense CE 2.7.

When attempting to add a VIP that is already used by the interface, it is fine, but assigning the interface to an address used by a VIP does not stop you.

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 #2

Updated by Kris Phillips 10 months ago

This bug are likely related: https://redmine.pfsense.org/issues/13961

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