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Bug #2962

closed
AL RB

IP Aliases cannot be used for routes/gateways

Bug #2962: IP Aliases cannot be used for routes/gateways

Added by allen landsidel over 13 years ago. Updated about 13 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Renato Botelho
Category:
Routing
Target version:
2.1
Start date:
04/22/2013
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.1
Affected Architecture:

Description

Version: 2.0.3-PRERELEASE, 2.1-BETA1 (Apr 18 2013).

Short: The system will not allow a gateway to be created where the IP is within a subnet used by an IP alias -- only the main/primary IP subnet of an interface can be used.

Example:
Two pfsense firewalls. FWA and FWB. Three IPv4 subnets. 192.168.0.0/24, 192.168.1.0/24, 192.168.2.0/24. Assigned as:
FWA: 192.168.0.1 (LAN), 192.168.2.1 (LAN IP Alias)
FWB: 192.168.1.1 (LAN), 192.168.2.2 (LAN IP Alias)

Attempting to define a gateway of 192.168.2.2 in "System -> Routing -> Gateways" on FWA fails with the message that 192.168.2.2 is not within the LAN interface subnet, 192.168.0.1.

Expected Behavior:
Should "just work" with no error message. Works as expected on all normal routing hardware, as well as on standard *BSD installations via "route add ..."

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