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Bug #14055

closed

Traffic shaped by limiters is dropped when routed to a GIF gateway

Added by Marcos M about 1 year ago. Updated 11 months ago.

Status:
Resolved
Priority:
Normal
Category:
Traffic Shaper (Limiters)
Target version:
Start date:
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
23.05
Release Notes:
Default
Affected Version:
Affected Architecture:

Description

Tested on pfSense+ 23.01.

Test:
  1. Configure a GIF tunnel (IPv6 local/remote tunnel address) and interface for use in policy routing.
  2. Create download and upload limiters (used weighted queues with the WF2Q+ scheduler).
  3. Create a firewall rule on LAN - specify the GIF as the gateway and the limiter queues for the In / Out pipe.
  4. Send traffic over the GIF tunnel via the policy based rule.

Result:
For IPv6 traffic (used ICMP as test), the packet enters the gif0 interface and is then dropped. The system logs show the following when the packet is dropped:

Feb 28 19:16:32     kernel         gif0: loop detected

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