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Bug #2673

closed

Traffic to IPv6 endpoint of IPv6 GRE Tunnel over IPv4 IPSEC causes receiving end to crash

Added by Graeme Bragg about 9 years ago. Updated over 2 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Category:
Operating System
Target version:
-
Start date:
11/04/2012
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.1
Affected Architecture:
amd64

Description

Issue:
Traffic going across an IPv6 GRE tunnel running over a tunnelled IPv4 IPsec VPN to the LAN IPv6 address of the remote pfSense box causes the remote box to crash & reboot. All other IPv6 traffic across the GRE interface works as expected

Setup:
  • 2x pfSense 2.1 amd64 boxes (NOT nanobsd), snapshot from 3rd Nov (also tried with earlier snapshot from 11th October)
  • Dynamic WAN IP on each end
  • Working IPv4 IPSEC VPN with tunneled IPv4 phase 2
  • GRE interface configured at each end and assigned to an interface
  • Gateways & Routes configured to send traffic for each site's v6 range over GRE
  • Firewall rules configured to allow traffic across the GRE tunnel
GRE Configuration:
  • Side A

Parent Interface: LAN
GRE remote address: <Side B v4 address>
GRE tunnel local address: <Side A v6 address>
GRE tunnel remote address: <Side B v6 /64>

  • Side B

Parent Interface: LAN
GRE remote address: <Side A v4 address>
GRE tunnel local address: <Side B v6 address>
GRE tunnel remote address: <Side A v6 /64>


Files

report.txt (86.2 KB) report.txt Text of Crash Dump submitted at 23:47 GMT 4/11/12 Graeme Bragg, 11/04/2012 05:48 PM
textdump.tar.0 (83 KB) textdump.tar.0 Graeme Bragg, 11/04/2012 05:48 PM
info.0 (481 Bytes) info.0 Graeme Bragg, 11/04/2012 05:48 PM
bounds (2 Bytes) bounds Graeme Bragg, 11/04/2012 05:48 PM
Actions #1

Updated by Chris Buechler about 9 years ago

  • Category set to Operating System
  • Priority changed from High to Normal
  • Affected Version set to 2.1
Actions #2

Updated by Jim Pingle over 2 years ago

  • Status changed from New to Closed

Old report and no recent recurrences. Lots of things in this area have changed, so most likely it's either fixed no longer relevant.

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