>Number: 185629
>Category: kern
>Synopsis: IP Filter reports "bad" packets on fxp interface with tso4
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Jan 10 05:20:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator: Cy Schubert (cy)
>Release: FreeBSD 10.0-BETA3 amd64
>Organization:
FreeBSD.org
>Environment:
System: FreeBSD slippy 10.0-BETA3 FreeBSD 10.0-BETA3 #0 r258761M: Tue Dec 3
00:04:57 PST 2013
root@slippy:/export/obj/amd64.amd64/opt/src/svn-stable10/sys/BREAK amd64
>Description:
On firewall/gateway system with four NICs, fxp0 on DMZ, with tcp4 option set,
TCP sessions hang, ipmon reports,
Investigate the possibility of this being related to kern/106438.
>How-To-Repeat:
Open an SSH tunnel, using tun(4) interface, through gateway machine and
initaite an rsync through the interface.
Client side of interface using bge(4) has no problem.
>Fix:
Circumvention is to turn off tcp4 option when using fxp interface. However
I will be working on a solution to fix this.
I will assign the PR to myself once it has been registered with GNATS.
>Release-Note:
>Audit-Trail:
>Unformatted:
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